AppPkg/Applications/Python: Add Python 2.7.2 sources since the release of Python 2.7.3 made them unavailable from the python.org web site.

These files are a subset of the python-2.7.2.tgz distribution from python.org.  Changed files from PyMod-2.7.2 have been copied into the corresponding directories of this tree, replacing the original files in the distribution.

Signed-off-by: daryl.mcdaniel@intel.com


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13197 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
darylm503
2012-04-16 22:12:42 +00:00
parent cbc6b5e545
commit 4710c53dca
2106 changed files with 871583 additions and 0 deletions

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"""
Python unit testing framework, based on Erich Gamma's JUnit and Kent Beck's
Smalltalk testing framework.
This module contains the core framework classes that form the basis of
specific test cases and suites (TestCase, TestSuite etc.), and also a
text-based utility class for running the tests and reporting the results
(TextTestRunner).
Simple usage:
import unittest
class IntegerArithmenticTestCase(unittest.TestCase):
def testAdd(self): ## test method names begin 'test*'
self.assertEqual((1 + 2), 3)
self.assertEqual(0 + 1, 1)
def testMultiply(self):
self.assertEqual((0 * 10), 0)
self.assertEqual((5 * 8), 40)
if __name__ == '__main__':
unittest.main()
Further information is available in the bundled documentation, and from
http://docs.python.org/library/unittest.html
Copyright (c) 1999-2003 Steve Purcell
Copyright (c) 2003-2010 Python Software Foundation
This module is free software, and you may redistribute it and/or modify
it under the same terms as Python itself, so long as this copyright message
and disclaimer are retained in their original form.
IN NO EVENT SHALL THE AUTHOR BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT,
SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF
THIS CODE, EVEN IF THE AUTHOR HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
DAMAGE.
THE AUTHOR SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE. THE CODE PROVIDED HEREUNDER IS ON AN "AS IS" BASIS,
AND THERE IS NO OBLIGATION WHATSOEVER TO PROVIDE MAINTENANCE,
SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
"""
__all__ = ['TestResult', 'TestCase', 'TestSuite',
'TextTestRunner', 'TestLoader', 'FunctionTestCase', 'main',
'defaultTestLoader', 'SkipTest', 'skip', 'skipIf', 'skipUnless',
'expectedFailure', 'TextTestResult', 'installHandler',
'registerResult', 'removeResult', 'removeHandler']
# Expose obsolete functions for backwards compatibility
__all__.extend(['getTestCaseNames', 'makeSuite', 'findTestCases'])
__unittest = True
from .result import TestResult
from .case import (TestCase, FunctionTestCase, SkipTest, skip, skipIf,
skipUnless, expectedFailure)
from .suite import BaseTestSuite, TestSuite
from .loader import (TestLoader, defaultTestLoader, makeSuite, getTestCaseNames,
findTestCases)
from .main import TestProgram, main
from .runner import TextTestRunner, TextTestResult
from .signals import installHandler, registerResult, removeResult, removeHandler
# deprecated
_TextTestResult = TextTestResult

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"""Main entry point"""
import sys
if sys.argv[0].endswith("__main__.py"):
sys.argv[0] = "python -m unittest"
__unittest = True
from .main import main, TestProgram, USAGE_AS_MAIN
TestProgram.USAGE = USAGE_AS_MAIN
main(module=None)

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"""Loading unittests."""
import os
import re
import sys
import traceback
import types
from functools import cmp_to_key as _CmpToKey
from fnmatch import fnmatch
from . import case, suite
__unittest = True
# what about .pyc or .pyo (etc)
# we would need to avoid loading the same tests multiple times
# from '.py', '.pyc' *and* '.pyo'
VALID_MODULE_NAME = re.compile(r'[_a-z]\w*\.py$', re.IGNORECASE)
def _make_failed_import_test(name, suiteClass):
message = 'Failed to import test module: %s\n%s' % (name, traceback.format_exc())
return _make_failed_test('ModuleImportFailure', name, ImportError(message),
suiteClass)
def _make_failed_load_tests(name, exception, suiteClass):
return _make_failed_test('LoadTestsFailure', name, exception, suiteClass)
def _make_failed_test(classname, methodname, exception, suiteClass):
def testFailure(self):
raise exception
attrs = {methodname: testFailure}
TestClass = type(classname, (case.TestCase,), attrs)
return suiteClass((TestClass(methodname),))
class TestLoader(object):
"""
This class is responsible for loading tests according to various criteria
and returning them wrapped in a TestSuite
"""
testMethodPrefix = 'test'
sortTestMethodsUsing = cmp
suiteClass = suite.TestSuite
_top_level_dir = None
def loadTestsFromTestCase(self, testCaseClass):
"""Return a suite of all tests cases contained in testCaseClass"""
if issubclass(testCaseClass, suite.TestSuite):
raise TypeError("Test cases should not be derived from TestSuite." \
" Maybe you meant to derive from TestCase?")
testCaseNames = self.getTestCaseNames(testCaseClass)
if not testCaseNames and hasattr(testCaseClass, 'runTest'):
testCaseNames = ['runTest']
loaded_suite = self.suiteClass(map(testCaseClass, testCaseNames))
return loaded_suite
def loadTestsFromModule(self, module, use_load_tests=True):
"""Return a suite of all tests cases contained in the given module"""
tests = []
for name in dir(module):
obj = getattr(module, name)
if isinstance(obj, type) and issubclass(obj, case.TestCase):
tests.append(self.loadTestsFromTestCase(obj))
load_tests = getattr(module, 'load_tests', None)
tests = self.suiteClass(tests)
if use_load_tests and load_tests is not None:
try:
return load_tests(self, tests, None)
except Exception, e:
return _make_failed_load_tests(module.__name__, e,
self.suiteClass)
return tests
def loadTestsFromName(self, name, module=None):
"""Return a suite of all tests cases given a string specifier.
The name may resolve either to a module, a test case class, a
test method within a test case class, or a callable object which
returns a TestCase or TestSuite instance.
The method optionally resolves the names relative to a given module.
"""
parts = name.split('.')
if module is None:
parts_copy = parts[:]
while parts_copy:
try:
module = __import__('.'.join(parts_copy))
break
except ImportError:
del parts_copy[-1]
if not parts_copy:
raise
parts = parts[1:]
obj = module
for part in parts:
parent, obj = obj, getattr(obj, part)
if isinstance(obj, types.ModuleType):
return self.loadTestsFromModule(obj)
elif isinstance(obj, type) and issubclass(obj, case.TestCase):
return self.loadTestsFromTestCase(obj)
elif (isinstance(obj, types.UnboundMethodType) and
isinstance(parent, type) and
issubclass(parent, case.TestCase)):
return self.suiteClass([parent(obj.__name__)])
elif isinstance(obj, suite.TestSuite):
return obj
elif hasattr(obj, '__call__'):
test = obj()
if isinstance(test, suite.TestSuite):
return test
elif isinstance(test, case.TestCase):
return self.suiteClass([test])
else:
raise TypeError("calling %s returned %s, not a test" %
(obj, test))
else:
raise TypeError("don't know how to make test from: %s" % obj)
def loadTestsFromNames(self, names, module=None):
"""Return a suite of all tests cases found using the given sequence
of string specifiers. See 'loadTestsFromName()'.
"""
suites = [self.loadTestsFromName(name, module) for name in names]
return self.suiteClass(suites)
def getTestCaseNames(self, testCaseClass):
"""Return a sorted sequence of method names found within testCaseClass
"""
def isTestMethod(attrname, testCaseClass=testCaseClass,
prefix=self.testMethodPrefix):
return attrname.startswith(prefix) and \
hasattr(getattr(testCaseClass, attrname), '__call__')
testFnNames = filter(isTestMethod, dir(testCaseClass))
if self.sortTestMethodsUsing:
testFnNames.sort(key=_CmpToKey(self.sortTestMethodsUsing))
return testFnNames
def discover(self, start_dir, pattern='test*.py', top_level_dir=None):
"""Find and return all test modules from the specified start
directory, recursing into subdirectories to find them. Only test files
that match the pattern will be loaded. (Using shell style pattern
matching.)
All test modules must be importable from the top level of the project.
If the start directory is not the top level directory then the top
level directory must be specified separately.
If a test package name (directory with '__init__.py') matches the
pattern then the package will be checked for a 'load_tests' function. If
this exists then it will be called with loader, tests, pattern.
If load_tests exists then discovery does *not* recurse into the package,
load_tests is responsible for loading all tests in the package.
The pattern is deliberately not stored as a loader attribute so that
packages can continue discovery themselves. top_level_dir is stored so
load_tests does not need to pass this argument in to loader.discover().
"""
set_implicit_top = False
if top_level_dir is None and self._top_level_dir is not None:
# make top_level_dir optional if called from load_tests in a package
top_level_dir = self._top_level_dir
elif top_level_dir is None:
set_implicit_top = True
top_level_dir = start_dir
top_level_dir = os.path.abspath(top_level_dir)
if not top_level_dir in sys.path:
# all test modules must be importable from the top level directory
# should we *unconditionally* put the start directory in first
# in sys.path to minimise likelihood of conflicts between installed
# modules and development versions?
sys.path.insert(0, top_level_dir)
self._top_level_dir = top_level_dir
is_not_importable = False
if os.path.isdir(os.path.abspath(start_dir)):
start_dir = os.path.abspath(start_dir)
if start_dir != top_level_dir:
is_not_importable = not os.path.isfile(os.path.join(start_dir, '__init__.py'))
else:
# support for discovery from dotted module names
try:
__import__(start_dir)
except ImportError:
is_not_importable = True
else:
the_module = sys.modules[start_dir]
top_part = start_dir.split('.')[0]
start_dir = os.path.abspath(os.path.dirname((the_module.__file__)))
if set_implicit_top:
self._top_level_dir = self._get_directory_containing_module(top_part)
sys.path.remove(top_level_dir)
if is_not_importable:
raise ImportError('Start directory is not importable: %r' % start_dir)
tests = list(self._find_tests(start_dir, pattern))
return self.suiteClass(tests)
def _get_directory_containing_module(self, module_name):
module = sys.modules[module_name]
full_path = os.path.abspath(module.__file__)
if os.path.basename(full_path).lower().startswith('__init__.py'):
return os.path.dirname(os.path.dirname(full_path))
else:
# here we have been given a module rather than a package - so
# all we can do is search the *same* directory the module is in
# should an exception be raised instead
return os.path.dirname(full_path)
def _get_name_from_path(self, path):
path = os.path.splitext(os.path.normpath(path))[0]
_relpath = os.path.relpath(path, self._top_level_dir)
assert not os.path.isabs(_relpath), "Path must be within the project"
assert not _relpath.startswith('..'), "Path must be within the project"
name = _relpath.replace(os.path.sep, '.')
return name
def _get_module_from_name(self, name):
__import__(name)
return sys.modules[name]
def _match_path(self, path, full_path, pattern):
# override this method to use alternative matching strategy
return fnmatch(path, pattern)
def _find_tests(self, start_dir, pattern):
"""Used by discovery. Yields test suites it loads."""
paths = os.listdir(start_dir)
for path in paths:
full_path = os.path.join(start_dir, path)
if os.path.isfile(full_path):
if not VALID_MODULE_NAME.match(path):
# valid Python identifiers only
continue
if not self._match_path(path, full_path, pattern):
continue
# if the test file matches, load it
name = self._get_name_from_path(full_path)
try:
module = self._get_module_from_name(name)
except:
yield _make_failed_import_test(name, self.suiteClass)
else:
mod_file = os.path.abspath(getattr(module, '__file__', full_path))
realpath = os.path.splitext(mod_file)[0]
fullpath_noext = os.path.splitext(full_path)[0]
if realpath.lower() != fullpath_noext.lower():
module_dir = os.path.dirname(realpath)
mod_name = os.path.splitext(os.path.basename(full_path))[0]
expected_dir = os.path.dirname(full_path)
msg = ("%r module incorrectly imported from %r. Expected %r. "
"Is this module globally installed?")
raise ImportError(msg % (mod_name, module_dir, expected_dir))
yield self.loadTestsFromModule(module)
elif os.path.isdir(full_path):
if not os.path.isfile(os.path.join(full_path, '__init__.py')):
continue
load_tests = None
tests = None
if fnmatch(path, pattern):
# only check load_tests if the package directory itself matches the filter
name = self._get_name_from_path(full_path)
package = self._get_module_from_name(name)
load_tests = getattr(package, 'load_tests', None)
tests = self.loadTestsFromModule(package, use_load_tests=False)
if load_tests is None:
if tests is not None:
# tests loaded from package file
yield tests
# recurse into the package
for test in self._find_tests(full_path, pattern):
yield test
else:
try:
yield load_tests(self, tests, pattern)
except Exception, e:
yield _make_failed_load_tests(package.__name__, e,
self.suiteClass)
defaultTestLoader = TestLoader()
def _makeLoader(prefix, sortUsing, suiteClass=None):
loader = TestLoader()
loader.sortTestMethodsUsing = sortUsing
loader.testMethodPrefix = prefix
if suiteClass:
loader.suiteClass = suiteClass
return loader
def getTestCaseNames(testCaseClass, prefix, sortUsing=cmp):
return _makeLoader(prefix, sortUsing).getTestCaseNames(testCaseClass)
def makeSuite(testCaseClass, prefix='test', sortUsing=cmp,
suiteClass=suite.TestSuite):
return _makeLoader(prefix, sortUsing, suiteClass).loadTestsFromTestCase(testCaseClass)
def findTestCases(module, prefix='test', sortUsing=cmp,
suiteClass=suite.TestSuite):
return _makeLoader(prefix, sortUsing, suiteClass).loadTestsFromModule(module)

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"""Unittest main program"""
import sys
import os
import types
from . import loader, runner
from .signals import installHandler
__unittest = True
FAILFAST = " -f, --failfast Stop on first failure\n"
CATCHBREAK = " -c, --catch Catch control-C and display results\n"
BUFFEROUTPUT = " -b, --buffer Buffer stdout and stderr during test runs\n"
USAGE_AS_MAIN = """\
Usage: %(progName)s [options] [tests]
Options:
-h, --help Show this message
-v, --verbose Verbose output
-q, --quiet Minimal output
%(failfast)s%(catchbreak)s%(buffer)s
Examples:
%(progName)s test_module - run tests from test_module
%(progName)s module.TestClass - run tests from module.TestClass
%(progName)s module.Class.test_method - run specified test method
[tests] can be a list of any number of test modules, classes and test
methods.
Alternative Usage: %(progName)s discover [options]
Options:
-v, --verbose Verbose output
%(failfast)s%(catchbreak)s%(buffer)s -s directory Directory to start discovery ('.' default)
-p pattern Pattern to match test files ('test*.py' default)
-t directory Top level directory of project (default to
start directory)
For test discovery all test modules must be importable from the top
level directory of the project.
"""
USAGE_FROM_MODULE = """\
Usage: %(progName)s [options] [test] [...]
Options:
-h, --help Show this message
-v, --verbose Verbose output
-q, --quiet Minimal output
%(failfast)s%(catchbreak)s%(buffer)s
Examples:
%(progName)s - run default set of tests
%(progName)s MyTestSuite - run suite 'MyTestSuite'
%(progName)s MyTestCase.testSomething - run MyTestCase.testSomething
%(progName)s MyTestCase - run all 'test*' test methods
in MyTestCase
"""
class TestProgram(object):
"""A command-line program that runs a set of tests; this is primarily
for making test modules conveniently executable.
"""
USAGE = USAGE_FROM_MODULE
# defaults for testing
failfast = catchbreak = buffer = progName = None
def __init__(self, module='__main__', defaultTest=None, argv=None,
testRunner=None, testLoader=loader.defaultTestLoader,
exit=True, verbosity=1, failfast=None, catchbreak=None,
buffer=None):
if isinstance(module, basestring):
self.module = __import__(module)
for part in module.split('.')[1:]:
self.module = getattr(self.module, part)
else:
self.module = module
if argv is None:
argv = sys.argv
self.exit = exit
self.failfast = failfast
self.catchbreak = catchbreak
self.verbosity = verbosity
self.buffer = buffer
self.defaultTest = defaultTest
self.testRunner = testRunner
self.testLoader = testLoader
self.progName = os.path.basename(argv[0])
self.parseArgs(argv)
self.runTests()
def usageExit(self, msg=None):
if msg:
print msg
usage = {'progName': self.progName, 'catchbreak': '', 'failfast': '',
'buffer': ''}
if self.failfast != False:
usage['failfast'] = FAILFAST
if self.catchbreak != False:
usage['catchbreak'] = CATCHBREAK
if self.buffer != False:
usage['buffer'] = BUFFEROUTPUT
print self.USAGE % usage
sys.exit(2)
def parseArgs(self, argv):
if len(argv) > 1 and argv[1].lower() == 'discover':
self._do_discovery(argv[2:])
return
import getopt
long_opts = ['help', 'verbose', 'quiet', 'failfast', 'catch', 'buffer']
try:
options, args = getopt.getopt(argv[1:], 'hHvqfcb', long_opts)
for opt, value in options:
if opt in ('-h','-H','--help'):
self.usageExit()
if opt in ('-q','--quiet'):
self.verbosity = 0
if opt in ('-v','--verbose'):
self.verbosity = 2
if opt in ('-f','--failfast'):
if self.failfast is None:
self.failfast = True
# Should this raise an exception if -f is not valid?
if opt in ('-c','--catch'):
if self.catchbreak is None:
self.catchbreak = True
# Should this raise an exception if -c is not valid?
if opt in ('-b','--buffer'):
if self.buffer is None:
self.buffer = True
# Should this raise an exception if -b is not valid?
if len(args) == 0 and self.defaultTest is None:
# createTests will load tests from self.module
self.testNames = None
elif len(args) > 0:
self.testNames = args
if __name__ == '__main__':
# to support python -m unittest ...
self.module = None
else:
self.testNames = (self.defaultTest,)
self.createTests()
except getopt.error, msg:
self.usageExit(msg)
def createTests(self):
if self.testNames is None:
self.test = self.testLoader.loadTestsFromModule(self.module)
else:
self.test = self.testLoader.loadTestsFromNames(self.testNames,
self.module)
def _do_discovery(self, argv, Loader=loader.TestLoader):
# handle command line args for test discovery
self.progName = '%s discover' % self.progName
import optparse
parser = optparse.OptionParser()
parser.prog = self.progName
parser.add_option('-v', '--verbose', dest='verbose', default=False,
help='Verbose output', action='store_true')
if self.failfast != False:
parser.add_option('-f', '--failfast', dest='failfast', default=False,
help='Stop on first fail or error',
action='store_true')
if self.catchbreak != False:
parser.add_option('-c', '--catch', dest='catchbreak', default=False,
help='Catch ctrl-C and display results so far',
action='store_true')
if self.buffer != False:
parser.add_option('-b', '--buffer', dest='buffer', default=False,
help='Buffer stdout and stderr during tests',
action='store_true')
parser.add_option('-s', '--start-directory', dest='start', default='.',
help="Directory to start discovery ('.' default)")
parser.add_option('-p', '--pattern', dest='pattern', default='test*.py',
help="Pattern to match tests ('test*.py' default)")
parser.add_option('-t', '--top-level-directory', dest='top', default=None,
help='Top level directory of project (defaults to start directory)')
options, args = parser.parse_args(argv)
if len(args) > 3:
self.usageExit()
for name, value in zip(('start', 'pattern', 'top'), args):
setattr(options, name, value)
# only set options from the parsing here
# if they weren't set explicitly in the constructor
if self.failfast is None:
self.failfast = options.failfast
if self.catchbreak is None:
self.catchbreak = options.catchbreak
if self.buffer is None:
self.buffer = options.buffer
if options.verbose:
self.verbosity = 2
start_dir = options.start
pattern = options.pattern
top_level_dir = options.top
loader = Loader()
self.test = loader.discover(start_dir, pattern, top_level_dir)
def runTests(self):
if self.catchbreak:
installHandler()
if self.testRunner is None:
self.testRunner = runner.TextTestRunner
if isinstance(self.testRunner, (type, types.ClassType)):
try:
testRunner = self.testRunner(verbosity=self.verbosity,
failfast=self.failfast,
buffer=self.buffer)
except TypeError:
# didn't accept the verbosity, buffer or failfast arguments
testRunner = self.testRunner()
else:
# it is assumed to be a TestRunner instance
testRunner = self.testRunner
self.result = testRunner.run(self.test)
if self.exit:
sys.exit(not self.result.wasSuccessful())
main = TestProgram

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"""Test result object"""
import os
import sys
import traceback
from StringIO import StringIO
from . import util
from functools import wraps
__unittest = True
def failfast(method):
@wraps(method)
def inner(self, *args, **kw):
if getattr(self, 'failfast', False):
self.stop()
return method(self, *args, **kw)
return inner
STDOUT_LINE = '\nStdout:\n%s'
STDERR_LINE = '\nStderr:\n%s'
class TestResult(object):
"""Holder for test result information.
Test results are automatically managed by the TestCase and TestSuite
classes, and do not need to be explicitly manipulated by writers of tests.
Each instance holds the total number of tests run, and collections of
failures and errors that occurred among those test runs. The collections
contain tuples of (testcase, exceptioninfo), where exceptioninfo is the
formatted traceback of the error that occurred.
"""
_previousTestClass = None
_testRunEntered = False
_moduleSetUpFailed = False
def __init__(self, stream=None, descriptions=None, verbosity=None):
self.failfast = False
self.failures = []
self.errors = []
self.testsRun = 0
self.skipped = []
self.expectedFailures = []
self.unexpectedSuccesses = []
self.shouldStop = False
self.buffer = False
self._stdout_buffer = None
self._stderr_buffer = None
self._original_stdout = sys.stdout
self._original_stderr = sys.stderr
self._mirrorOutput = False
def printErrors(self):
"Called by TestRunner after test run"
def startTest(self, test):
"Called when the given test is about to be run"
self.testsRun += 1
self._mirrorOutput = False
self._setupStdout()
def _setupStdout(self):
if self.buffer:
if self._stderr_buffer is None:
self._stderr_buffer = StringIO()
self._stdout_buffer = StringIO()
sys.stdout = self._stdout_buffer
sys.stderr = self._stderr_buffer
def startTestRun(self):
"""Called once before any tests are executed.
See startTest for a method called before each test.
"""
def stopTest(self, test):
"""Called when the given test has been run"""
self._restoreStdout()
self._mirrorOutput = False
def _restoreStdout(self):
if self.buffer:
if self._mirrorOutput:
output = sys.stdout.getvalue()
error = sys.stderr.getvalue()
if output:
if not output.endswith('\n'):
output += '\n'
self._original_stdout.write(STDOUT_LINE % output)
if error:
if not error.endswith('\n'):
error += '\n'
self._original_stderr.write(STDERR_LINE % error)
sys.stdout = self._original_stdout
sys.stderr = self._original_stderr
self._stdout_buffer.seek(0)
self._stdout_buffer.truncate()
self._stderr_buffer.seek(0)
self._stderr_buffer.truncate()
def stopTestRun(self):
"""Called once after all tests are executed.
See stopTest for a method called after each test.
"""
@failfast
def addError(self, test, err):
"""Called when an error has occurred. 'err' is a tuple of values as
returned by sys.exc_info().
"""
self.errors.append((test, self._exc_info_to_string(err, test)))
self._mirrorOutput = True
@failfast
def addFailure(self, test, err):
"""Called when an error has occurred. 'err' is a tuple of values as
returned by sys.exc_info()."""
self.failures.append((test, self._exc_info_to_string(err, test)))
self._mirrorOutput = True
def addSuccess(self, test):
"Called when a test has completed successfully"
pass
def addSkip(self, test, reason):
"""Called when a test is skipped."""
self.skipped.append((test, reason))
def addExpectedFailure(self, test, err):
"""Called when an expected failure/error occured."""
self.expectedFailures.append(
(test, self._exc_info_to_string(err, test)))
@failfast
def addUnexpectedSuccess(self, test):
"""Called when a test was expected to fail, but succeed."""
self.unexpectedSuccesses.append(test)
def wasSuccessful(self):
"Tells whether or not this result was a success"
return len(self.failures) == len(self.errors) == 0
def stop(self):
"Indicates that the tests should be aborted"
self.shouldStop = True
def _exc_info_to_string(self, err, test):
"""Converts a sys.exc_info()-style tuple of values into a string."""
exctype, value, tb = err
# Skip test runner traceback levels
while tb and self._is_relevant_tb_level(tb):
tb = tb.tb_next
if exctype is test.failureException:
# Skip assert*() traceback levels
length = self._count_relevant_tb_levels(tb)
msgLines = traceback.format_exception(exctype, value, tb, length)
else:
msgLines = traceback.format_exception(exctype, value, tb)
if self.buffer:
output = sys.stdout.getvalue()
error = sys.stderr.getvalue()
if output:
if not output.endswith('\n'):
output += '\n'
msgLines.append(STDOUT_LINE % output)
if error:
if not error.endswith('\n'):
error += '\n'
msgLines.append(STDERR_LINE % error)
return ''.join(msgLines)
def _is_relevant_tb_level(self, tb):
return '__unittest' in tb.tb_frame.f_globals
def _count_relevant_tb_levels(self, tb):
length = 0
while tb and not self._is_relevant_tb_level(tb):
length += 1
tb = tb.tb_next
return length
def __repr__(self):
return ("<%s run=%i errors=%i failures=%i>" %
(util.strclass(self.__class__), self.testsRun, len(self.errors),
len(self.failures)))

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"""Running tests"""
import sys
import time
from . import result
from .signals import registerResult
__unittest = True
class _WritelnDecorator(object):
"""Used to decorate file-like objects with a handy 'writeln' method"""
def __init__(self,stream):
self.stream = stream
def __getattr__(self, attr):
if attr in ('stream', '__getstate__'):
raise AttributeError(attr)
return getattr(self.stream,attr)
def writeln(self, arg=None):
if arg:
self.write(arg)
self.write('\n') # text-mode streams translate to \r\n if needed
class TextTestResult(result.TestResult):
"""A test result class that can print formatted text results to a stream.
Used by TextTestRunner.
"""
separator1 = '=' * 70
separator2 = '-' * 70
def __init__(self, stream, descriptions, verbosity):
super(TextTestResult, self).__init__()
self.stream = stream
self.showAll = verbosity > 1
self.dots = verbosity == 1
self.descriptions = descriptions
def getDescription(self, test):
doc_first_line = test.shortDescription()
if self.descriptions and doc_first_line:
return '\n'.join((str(test), doc_first_line))
else:
return str(test)
def startTest(self, test):
super(TextTestResult, self).startTest(test)
if self.showAll:
self.stream.write(self.getDescription(test))
self.stream.write(" ... ")
self.stream.flush()
def addSuccess(self, test):
super(TextTestResult, self).addSuccess(test)
if self.showAll:
self.stream.writeln("ok")
elif self.dots:
self.stream.write('.')
self.stream.flush()
def addError(self, test, err):
super(TextTestResult, self).addError(test, err)
if self.showAll:
self.stream.writeln("ERROR")
elif self.dots:
self.stream.write('E')
self.stream.flush()
def addFailure(self, test, err):
super(TextTestResult, self).addFailure(test, err)
if self.showAll:
self.stream.writeln("FAIL")
elif self.dots:
self.stream.write('F')
self.stream.flush()
def addSkip(self, test, reason):
super(TextTestResult, self).addSkip(test, reason)
if self.showAll:
self.stream.writeln("skipped {0!r}".format(reason))
elif self.dots:
self.stream.write("s")
self.stream.flush()
def addExpectedFailure(self, test, err):
super(TextTestResult, self).addExpectedFailure(test, err)
if self.showAll:
self.stream.writeln("expected failure")
elif self.dots:
self.stream.write("x")
self.stream.flush()
def addUnexpectedSuccess(self, test):
super(TextTestResult, self).addUnexpectedSuccess(test)
if self.showAll:
self.stream.writeln("unexpected success")
elif self.dots:
self.stream.write("u")
self.stream.flush()
def printErrors(self):
if self.dots or self.showAll:
self.stream.writeln()
self.printErrorList('ERROR', self.errors)
self.printErrorList('FAIL', self.failures)
def printErrorList(self, flavour, errors):
for test, err in errors:
self.stream.writeln(self.separator1)
self.stream.writeln("%s: %s" % (flavour,self.getDescription(test)))
self.stream.writeln(self.separator2)
self.stream.writeln("%s" % err)
class TextTestRunner(object):
"""A test runner class that displays results in textual form.
It prints out the names of tests as they are run, errors as they
occur, and a summary of the results at the end of the test run.
"""
resultclass = TextTestResult
def __init__(self, stream=sys.stderr, descriptions=True, verbosity=1,
failfast=False, buffer=False, resultclass=None):
self.stream = _WritelnDecorator(stream)
self.descriptions = descriptions
self.verbosity = verbosity
self.failfast = failfast
self.buffer = buffer
if resultclass is not None:
self.resultclass = resultclass
def _makeResult(self):
return self.resultclass(self.stream, self.descriptions, self.verbosity)
def run(self, test):
"Run the given test case or test suite."
result = self._makeResult()
registerResult(result)
result.failfast = self.failfast
result.buffer = self.buffer
startTime = time.time()
startTestRun = getattr(result, 'startTestRun', None)
if startTestRun is not None:
startTestRun()
try:
test(result)
finally:
stopTestRun = getattr(result, 'stopTestRun', None)
if stopTestRun is not None:
stopTestRun()
stopTime = time.time()
timeTaken = stopTime - startTime
result.printErrors()
if hasattr(result, 'separator2'):
self.stream.writeln(result.separator2)
run = result.testsRun
self.stream.writeln("Ran %d test%s in %.3fs" %
(run, run != 1 and "s" or "", timeTaken))
self.stream.writeln()
expectedFails = unexpectedSuccesses = skipped = 0
try:
results = map(len, (result.expectedFailures,
result.unexpectedSuccesses,
result.skipped))
except AttributeError:
pass
else:
expectedFails, unexpectedSuccesses, skipped = results
infos = []
if not result.wasSuccessful():
self.stream.write("FAILED")
failed, errored = map(len, (result.failures, result.errors))
if failed:
infos.append("failures=%d" % failed)
if errored:
infos.append("errors=%d" % errored)
else:
self.stream.write("OK")
if skipped:
infos.append("skipped=%d" % skipped)
if expectedFails:
infos.append("expected failures=%d" % expectedFails)
if unexpectedSuccesses:
infos.append("unexpected successes=%d" % unexpectedSuccesses)
if infos:
self.stream.writeln(" (%s)" % (", ".join(infos),))
else:
self.stream.write("\n")
return result

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import signal
import weakref
from functools import wraps
__unittest = True
class _InterruptHandler(object):
def __init__(self, default_handler):
self.called = False
self.default_handler = default_handler
def __call__(self, signum, frame):
installed_handler = signal.getsignal(signal.SIGINT)
if installed_handler is not self:
# if we aren't the installed handler, then delegate immediately
# to the default handler
self.default_handler(signum, frame)
if self.called:
self.default_handler(signum, frame)
self.called = True
for result in _results.keys():
result.stop()
_results = weakref.WeakKeyDictionary()
def registerResult(result):
_results[result] = 1
def removeResult(result):
return bool(_results.pop(result, None))
_interrupt_handler = None
def installHandler():
global _interrupt_handler
if _interrupt_handler is None:
default_handler = signal.getsignal(signal.SIGINT)
_interrupt_handler = _InterruptHandler(default_handler)
signal.signal(signal.SIGINT, _interrupt_handler)
def removeHandler(method=None):
if method is not None:
@wraps(method)
def inner(*args, **kwargs):
initial = signal.getsignal(signal.SIGINT)
removeHandler()
try:
return method(*args, **kwargs)
finally:
signal.signal(signal.SIGINT, initial)
return inner
global _interrupt_handler
if _interrupt_handler is not None:
signal.signal(signal.SIGINT, _interrupt_handler.default_handler)

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"""TestSuite"""
import sys
from . import case
from . import util
__unittest = True
def _call_if_exists(parent, attr):
func = getattr(parent, attr, lambda: None)
func()
class BaseTestSuite(object):
"""A simple test suite that doesn't provide class or module shared fixtures.
"""
def __init__(self, tests=()):
self._tests = []
self.addTests(tests)
def __repr__(self):
return "<%s tests=%s>" % (util.strclass(self.__class__), list(self))
def __eq__(self, other):
if not isinstance(other, self.__class__):
return NotImplemented
return list(self) == list(other)
def __ne__(self, other):
return not self == other
# Can't guarantee hash invariant, so flag as unhashable
__hash__ = None
def __iter__(self):
return iter(self._tests)
def countTestCases(self):
cases = 0
for test in self:
cases += test.countTestCases()
return cases
def addTest(self, test):
# sanity checks
if not hasattr(test, '__call__'):
raise TypeError("{} is not callable".format(repr(test)))
if isinstance(test, type) and issubclass(test,
(case.TestCase, TestSuite)):
raise TypeError("TestCases and TestSuites must be instantiated "
"before passing them to addTest()")
self._tests.append(test)
def addTests(self, tests):
if isinstance(tests, basestring):
raise TypeError("tests must be an iterable of tests, not a string")
for test in tests:
self.addTest(test)
def run(self, result):
for test in self:
if result.shouldStop:
break
test(result)
return result
def __call__(self, *args, **kwds):
return self.run(*args, **kwds)
def debug(self):
"""Run the tests without collecting errors in a TestResult"""
for test in self:
test.debug()
class TestSuite(BaseTestSuite):
"""A test suite is a composite test consisting of a number of TestCases.
For use, create an instance of TestSuite, then add test case instances.
When all tests have been added, the suite can be passed to a test
runner, such as TextTestRunner. It will run the individual test cases
in the order in which they were added, aggregating the results. When
subclassing, do not forget to call the base class constructor.
"""
def run(self, result, debug=False):
topLevel = False
if getattr(result, '_testRunEntered', False) is False:
result._testRunEntered = topLevel = True
for test in self:
if result.shouldStop:
break
if _isnotsuite(test):
self._tearDownPreviousClass(test, result)
self._handleModuleFixture(test, result)
self._handleClassSetUp(test, result)
result._previousTestClass = test.__class__
if (getattr(test.__class__, '_classSetupFailed', False) or
getattr(result, '_moduleSetUpFailed', False)):
continue
if not debug:
test(result)
else:
test.debug()
if topLevel:
self._tearDownPreviousClass(None, result)
self._handleModuleTearDown(result)
result._testRunEntered = False
return result
def debug(self):
"""Run the tests without collecting errors in a TestResult"""
debug = _DebugResult()
self.run(debug, True)
################################
def _handleClassSetUp(self, test, result):
previousClass = getattr(result, '_previousTestClass', None)
currentClass = test.__class__
if currentClass == previousClass:
return
if result._moduleSetUpFailed:
return
if getattr(currentClass, "__unittest_skip__", False):
return
try:
currentClass._classSetupFailed = False
except TypeError:
# test may actually be a function
# so its class will be a builtin-type
pass
setUpClass = getattr(currentClass, 'setUpClass', None)
if setUpClass is not None:
_call_if_exists(result, '_setupStdout')
try:
setUpClass()
except Exception as e:
if isinstance(result, _DebugResult):
raise
currentClass._classSetupFailed = True
className = util.strclass(currentClass)
errorName = 'setUpClass (%s)' % className
self._addClassOrModuleLevelException(result, e, errorName)
finally:
_call_if_exists(result, '_restoreStdout')
def _get_previous_module(self, result):
previousModule = None
previousClass = getattr(result, '_previousTestClass', None)
if previousClass is not None:
previousModule = previousClass.__module__
return previousModule
def _handleModuleFixture(self, test, result):
previousModule = self._get_previous_module(result)
currentModule = test.__class__.__module__
if currentModule == previousModule:
return
self._handleModuleTearDown(result)
result._moduleSetUpFailed = False
try:
module = sys.modules[currentModule]
except KeyError:
return
setUpModule = getattr(module, 'setUpModule', None)
if setUpModule is not None:
_call_if_exists(result, '_setupStdout')
try:
setUpModule()
except Exception, e:
if isinstance(result, _DebugResult):
raise
result._moduleSetUpFailed = True
errorName = 'setUpModule (%s)' % currentModule
self._addClassOrModuleLevelException(result, e, errorName)
finally:
_call_if_exists(result, '_restoreStdout')
def _addClassOrModuleLevelException(self, result, exception, errorName):
error = _ErrorHolder(errorName)
addSkip = getattr(result, 'addSkip', None)
if addSkip is not None and isinstance(exception, case.SkipTest):
addSkip(error, str(exception))
else:
result.addError(error, sys.exc_info())
def _handleModuleTearDown(self, result):
previousModule = self._get_previous_module(result)
if previousModule is None:
return
if result._moduleSetUpFailed:
return
try:
module = sys.modules[previousModule]
except KeyError:
return
tearDownModule = getattr(module, 'tearDownModule', None)
if tearDownModule is not None:
_call_if_exists(result, '_setupStdout')
try:
tearDownModule()
except Exception as e:
if isinstance(result, _DebugResult):
raise
errorName = 'tearDownModule (%s)' % previousModule
self._addClassOrModuleLevelException(result, e, errorName)
finally:
_call_if_exists(result, '_restoreStdout')
def _tearDownPreviousClass(self, test, result):
previousClass = getattr(result, '_previousTestClass', None)
currentClass = test.__class__
if currentClass == previousClass:
return
if getattr(previousClass, '_classSetupFailed', False):
return
if getattr(result, '_moduleSetUpFailed', False):
return
if getattr(previousClass, "__unittest_skip__", False):
return
tearDownClass = getattr(previousClass, 'tearDownClass', None)
if tearDownClass is not None:
_call_if_exists(result, '_setupStdout')
try:
tearDownClass()
except Exception, e:
if isinstance(result, _DebugResult):
raise
className = util.strclass(previousClass)
errorName = 'tearDownClass (%s)' % className
self._addClassOrModuleLevelException(result, e, errorName)
finally:
_call_if_exists(result, '_restoreStdout')
class _ErrorHolder(object):
"""
Placeholder for a TestCase inside a result. As far as a TestResult
is concerned, this looks exactly like a unit test. Used to insert
arbitrary errors into a test suite run.
"""
# Inspired by the ErrorHolder from Twisted:
# http://twistedmatrix.com/trac/browser/trunk/twisted/trial/runner.py
# attribute used by TestResult._exc_info_to_string
failureException = None
def __init__(self, description):
self.description = description
def id(self):
return self.description
def shortDescription(self):
return None
def __repr__(self):
return "<ErrorHolder description=%r>" % (self.description,)
def __str__(self):
return self.id()
def run(self, result):
# could call result.addError(...) - but this test-like object
# shouldn't be run anyway
pass
def __call__(self, result):
return self.run(result)
def countTestCases(self):
return 0
def _isnotsuite(test):
"A crude way to tell apart testcases and suites with duck-typing"
try:
iter(test)
except TypeError:
return True
return False
class _DebugResult(object):
"Used by the TestSuite to hold previous class when running in debug."
_previousTestClass = None
_moduleSetUpFailed = False
shouldStop = False

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import os
import sys
import unittest
here = os.path.dirname(__file__)
loader = unittest.defaultTestLoader
def suite():
suite = unittest.TestSuite()
for fn in os.listdir(here):
if fn.startswith("test") and fn.endswith(".py"):
modname = "unittest.test." + fn[:-3]
__import__(modname)
module = sys.modules[modname]
suite.addTest(loader.loadTestsFromModule(module))
return suite
if __name__ == "__main__":
unittest.main(defaultTest="suite")

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# Empty module for testing the loading of modules

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import unittest
class TestHashing(object):
"""Used as a mixin for TestCase"""
# Check for a valid __hash__ implementation
def test_hash(self):
for obj_1, obj_2 in self.eq_pairs:
try:
if not hash(obj_1) == hash(obj_2):
self.fail("%r and %r do not hash equal" % (obj_1, obj_2))
except KeyboardInterrupt:
raise
except Exception, e:
self.fail("Problem hashing %r and %r: %s" % (obj_1, obj_2, e))
for obj_1, obj_2 in self.ne_pairs:
try:
if hash(obj_1) == hash(obj_2):
self.fail("%s and %s hash equal, but shouldn't" %
(obj_1, obj_2))
except KeyboardInterrupt:
raise
except Exception, e:
self.fail("Problem hashing %s and %s: %s" % (obj_1, obj_2, e))
class TestEquality(object):
"""Used as a mixin for TestCase"""
# Check for a valid __eq__ implementation
def test_eq(self):
for obj_1, obj_2 in self.eq_pairs:
self.assertEqual(obj_1, obj_2)
self.assertEqual(obj_2, obj_1)
# Check for a valid __ne__ implementation
def test_ne(self):
for obj_1, obj_2 in self.ne_pairs:
self.assertNotEqual(obj_1, obj_2)
self.assertNotEqual(obj_2, obj_1)
class LoggingResult(unittest.TestResult):
def __init__(self, log):
self._events = log
super(LoggingResult, self).__init__()
def startTest(self, test):
self._events.append('startTest')
super(LoggingResult, self).startTest(test)
def startTestRun(self):
self._events.append('startTestRun')
super(LoggingResult, self).startTestRun()
def stopTest(self, test):
self._events.append('stopTest')
super(LoggingResult, self).stopTest(test)
def stopTestRun(self):
self._events.append('stopTestRun')
super(LoggingResult, self).stopTestRun()
def addFailure(self, *args):
self._events.append('addFailure')
super(LoggingResult, self).addFailure(*args)
def addSuccess(self, *args):
self._events.append('addSuccess')
super(LoggingResult, self).addSuccess(*args)
def addError(self, *args):
self._events.append('addError')
super(LoggingResult, self).addError(*args)
def addSkip(self, *args):
self._events.append('addSkip')
super(LoggingResult, self).addSkip(*args)
def addExpectedFailure(self, *args):
self._events.append('addExpectedFailure')
super(LoggingResult, self).addExpectedFailure(*args)
def addUnexpectedSuccess(self, *args):
self._events.append('addUnexpectedSuccess')
super(LoggingResult, self).addUnexpectedSuccess(*args)
class ResultWithNoStartTestRunStopTestRun(object):
"""An object honouring TestResult before startTestRun/stopTestRun."""
def __init__(self):
self.failures = []
self.errors = []
self.testsRun = 0
self.skipped = []
self.expectedFailures = []
self.unexpectedSuccesses = []
self.shouldStop = False
def startTest(self, test):
pass
def stopTest(self, test):
pass
def addError(self, test):
pass
def addFailure(self, test):
pass
def addSuccess(self, test):
pass
def wasSuccessful(self):
return True

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import datetime
import unittest
class Test_Assertions(unittest.TestCase):
def test_AlmostEqual(self):
self.assertAlmostEqual(1.00000001, 1.0)
self.assertNotAlmostEqual(1.0000001, 1.0)
self.assertRaises(self.failureException,
self.assertAlmostEqual, 1.0000001, 1.0)
self.assertRaises(self.failureException,
self.assertNotAlmostEqual, 1.00000001, 1.0)
self.assertAlmostEqual(1.1, 1.0, places=0)
self.assertRaises(self.failureException,
self.assertAlmostEqual, 1.1, 1.0, places=1)
self.assertAlmostEqual(0, .1+.1j, places=0)
self.assertNotAlmostEqual(0, .1+.1j, places=1)
self.assertRaises(self.failureException,
self.assertAlmostEqual, 0, .1+.1j, places=1)
self.assertRaises(self.failureException,
self.assertNotAlmostEqual, 0, .1+.1j, places=0)
self.assertAlmostEqual(float('inf'), float('inf'))
self.assertRaises(self.failureException, self.assertNotAlmostEqual,
float('inf'), float('inf'))
def test_AmostEqualWithDelta(self):
self.assertAlmostEqual(1.1, 1.0, delta=0.5)
self.assertAlmostEqual(1.0, 1.1, delta=0.5)
self.assertNotAlmostEqual(1.1, 1.0, delta=0.05)
self.assertNotAlmostEqual(1.0, 1.1, delta=0.05)
self.assertRaises(self.failureException, self.assertAlmostEqual,
1.1, 1.0, delta=0.05)
self.assertRaises(self.failureException, self.assertNotAlmostEqual,
1.1, 1.0, delta=0.5)
self.assertRaises(TypeError, self.assertAlmostEqual,
1.1, 1.0, places=2, delta=2)
self.assertRaises(TypeError, self.assertNotAlmostEqual,
1.1, 1.0, places=2, delta=2)
first = datetime.datetime.now()
second = first + datetime.timedelta(seconds=10)
self.assertAlmostEqual(first, second,
delta=datetime.timedelta(seconds=20))
self.assertNotAlmostEqual(first, second,
delta=datetime.timedelta(seconds=5))
def test_assertRaises(self):
def _raise(e):
raise e
self.assertRaises(KeyError, _raise, KeyError)
self.assertRaises(KeyError, _raise, KeyError("key"))
try:
self.assertRaises(KeyError, lambda: None)
except self.failureException as e:
self.assertIn("KeyError not raised", e.args)
else:
self.fail("assertRaises() didn't fail")
try:
self.assertRaises(KeyError, _raise, ValueError)
except ValueError:
pass
else:
self.fail("assertRaises() didn't let exception pass through")
with self.assertRaises(KeyError) as cm:
try:
raise KeyError
except Exception, e:
raise
self.assertIs(cm.exception, e)
with self.assertRaises(KeyError):
raise KeyError("key")
try:
with self.assertRaises(KeyError):
pass
except self.failureException as e:
self.assertIn("KeyError not raised", e.args)
else:
self.fail("assertRaises() didn't fail")
try:
with self.assertRaises(KeyError):
raise ValueError
except ValueError:
pass
else:
self.fail("assertRaises() didn't let exception pass through")
def testAssertNotRegexpMatches(self):
self.assertNotRegexpMatches('Ala ma kota', r'r+')
try:
self.assertNotRegexpMatches('Ala ma kota', r'k.t', 'Message')
except self.failureException, e:
self.assertIn("'kot'", e.args[0])
self.assertIn('Message', e.args[0])
else:
self.fail('assertNotRegexpMatches should have failed.')
class TestLongMessage(unittest.TestCase):
"""Test that the individual asserts honour longMessage.
This actually tests all the message behaviour for
asserts that use longMessage."""
def setUp(self):
class TestableTestFalse(unittest.TestCase):
longMessage = False
failureException = self.failureException
def testTest(self):
pass
class TestableTestTrue(unittest.TestCase):
longMessage = True
failureException = self.failureException
def testTest(self):
pass
self.testableTrue = TestableTestTrue('testTest')
self.testableFalse = TestableTestFalse('testTest')
def testDefault(self):
self.assertFalse(unittest.TestCase.longMessage)
def test_formatMsg(self):
self.assertEqual(self.testableFalse._formatMessage(None, "foo"), "foo")
self.assertEqual(self.testableFalse._formatMessage("foo", "bar"), "foo")
self.assertEqual(self.testableTrue._formatMessage(None, "foo"), "foo")
self.assertEqual(self.testableTrue._formatMessage("foo", "bar"), "bar : foo")
# This blows up if _formatMessage uses string concatenation
self.testableTrue._formatMessage(object(), 'foo')
def test_formatMessage_unicode_error(self):
one = ''.join(chr(i) for i in range(255))
# this used to cause a UnicodeDecodeError constructing msg
self.testableTrue._formatMessage(one, u'\uFFFD')
def assertMessages(self, methodName, args, errors):
def getMethod(i):
useTestableFalse = i < 2
if useTestableFalse:
test = self.testableFalse
else:
test = self.testableTrue
return getattr(test, methodName)
for i, expected_regexp in enumerate(errors):
testMethod = getMethod(i)
kwargs = {}
withMsg = i % 2
if withMsg:
kwargs = {"msg": "oops"}
with self.assertRaisesRegexp(self.failureException,
expected_regexp=expected_regexp):
testMethod(*args, **kwargs)
def testAssertTrue(self):
self.assertMessages('assertTrue', (False,),
["^False is not true$", "^oops$", "^False is not true$",
"^False is not true : oops$"])
def testAssertFalse(self):
self.assertMessages('assertFalse', (True,),
["^True is not false$", "^oops$", "^True is not false$",
"^True is not false : oops$"])
def testNotEqual(self):
self.assertMessages('assertNotEqual', (1, 1),
["^1 == 1$", "^oops$", "^1 == 1$",
"^1 == 1 : oops$"])
def testAlmostEqual(self):
self.assertMessages('assertAlmostEqual', (1, 2),
["^1 != 2 within 7 places$", "^oops$",
"^1 != 2 within 7 places$", "^1 != 2 within 7 places : oops$"])
def testNotAlmostEqual(self):
self.assertMessages('assertNotAlmostEqual', (1, 1),
["^1 == 1 within 7 places$", "^oops$",
"^1 == 1 within 7 places$", "^1 == 1 within 7 places : oops$"])
def test_baseAssertEqual(self):
self.assertMessages('_baseAssertEqual', (1, 2),
["^1 != 2$", "^oops$", "^1 != 2$", "^1 != 2 : oops$"])
def testAssertSequenceEqual(self):
# Error messages are multiline so not testing on full message
# assertTupleEqual and assertListEqual delegate to this method
self.assertMessages('assertSequenceEqual', ([], [None]),
["\+ \[None\]$", "^oops$", r"\+ \[None\]$",
r"\+ \[None\] : oops$"])
def testAssertSetEqual(self):
self.assertMessages('assertSetEqual', (set(), set([None])),
["None$", "^oops$", "None$",
"None : oops$"])
def testAssertIn(self):
self.assertMessages('assertIn', (None, []),
['^None not found in \[\]$', "^oops$",
'^None not found in \[\]$',
'^None not found in \[\] : oops$'])
def testAssertNotIn(self):
self.assertMessages('assertNotIn', (None, [None]),
['^None unexpectedly found in \[None\]$', "^oops$",
'^None unexpectedly found in \[None\]$',
'^None unexpectedly found in \[None\] : oops$'])
def testAssertDictEqual(self):
self.assertMessages('assertDictEqual', ({}, {'key': 'value'}),
[r"\+ \{'key': 'value'\}$", "^oops$",
"\+ \{'key': 'value'\}$",
"\+ \{'key': 'value'\} : oops$"])
def testAssertDictContainsSubset(self):
self.assertMessages('assertDictContainsSubset', ({'key': 'value'}, {}),
["^Missing: 'key'$", "^oops$",
"^Missing: 'key'$",
"^Missing: 'key' : oops$"])
def testAssertMultiLineEqual(self):
self.assertMessages('assertMultiLineEqual', ("", "foo"),
[r"\+ foo$", "^oops$",
r"\+ foo$",
r"\+ foo : oops$"])
def testAssertLess(self):
self.assertMessages('assertLess', (2, 1),
["^2 not less than 1$", "^oops$",
"^2 not less than 1$", "^2 not less than 1 : oops$"])
def testAssertLessEqual(self):
self.assertMessages('assertLessEqual', (2, 1),
["^2 not less than or equal to 1$", "^oops$",
"^2 not less than or equal to 1$",
"^2 not less than or equal to 1 : oops$"])
def testAssertGreater(self):
self.assertMessages('assertGreater', (1, 2),
["^1 not greater than 2$", "^oops$",
"^1 not greater than 2$",
"^1 not greater than 2 : oops$"])
def testAssertGreaterEqual(self):
self.assertMessages('assertGreaterEqual', (1, 2),
["^1 not greater than or equal to 2$", "^oops$",
"^1 not greater than or equal to 2$",
"^1 not greater than or equal to 2 : oops$"])
def testAssertIsNone(self):
self.assertMessages('assertIsNone', ('not None',),
["^'not None' is not None$", "^oops$",
"^'not None' is not None$",
"^'not None' is not None : oops$"])
def testAssertIsNotNone(self):
self.assertMessages('assertIsNotNone', (None,),
["^unexpectedly None$", "^oops$",
"^unexpectedly None$",
"^unexpectedly None : oops$"])
def testAssertIs(self):
self.assertMessages('assertIs', (None, 'foo'),
["^None is not 'foo'$", "^oops$",
"^None is not 'foo'$",
"^None is not 'foo' : oops$"])
def testAssertIsNot(self):
self.assertMessages('assertIsNot', (None, None),
["^unexpectedly identical: None$", "^oops$",
"^unexpectedly identical: None$",
"^unexpectedly identical: None : oops$"])
if __name__ == '__main__':
unittest.main()

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import gc
import os
import sys
import signal
import weakref
from cStringIO import StringIO
import unittest
@unittest.skipUnless(hasattr(os, 'kill'), "Test requires os.kill")
@unittest.skipIf(sys.platform =="win32", "Test cannot run on Windows")
@unittest.skipIf(sys.platform == 'freebsd6', "Test kills regrtest on freebsd6 "
"if threads have been used")
class TestBreak(unittest.TestCase):
def setUp(self):
self._default_handler = signal.getsignal(signal.SIGINT)
def tearDown(self):
signal.signal(signal.SIGINT, self._default_handler)
unittest.signals._results = weakref.WeakKeyDictionary()
unittest.signals._interrupt_handler = None
def testInstallHandler(self):
default_handler = signal.getsignal(signal.SIGINT)
unittest.installHandler()
self.assertNotEqual(signal.getsignal(signal.SIGINT), default_handler)
try:
pid = os.getpid()
os.kill(pid, signal.SIGINT)
except KeyboardInterrupt:
self.fail("KeyboardInterrupt not handled")
self.assertTrue(unittest.signals._interrupt_handler.called)
def testRegisterResult(self):
result = unittest.TestResult()
unittest.registerResult(result)
for ref in unittest.signals._results:
if ref is result:
break
elif ref is not result:
self.fail("odd object in result set")
else:
self.fail("result not found")
def testInterruptCaught(self):
default_handler = signal.getsignal(signal.SIGINT)
result = unittest.TestResult()
unittest.installHandler()
unittest.registerResult(result)
self.assertNotEqual(signal.getsignal(signal.SIGINT), default_handler)
def test(result):
pid = os.getpid()
os.kill(pid, signal.SIGINT)
result.breakCaught = True
self.assertTrue(result.shouldStop)
try:
test(result)
except KeyboardInterrupt:
self.fail("KeyboardInterrupt not handled")
self.assertTrue(result.breakCaught)
def testSecondInterrupt(self):
result = unittest.TestResult()
unittest.installHandler()
unittest.registerResult(result)
def test(result):
pid = os.getpid()
os.kill(pid, signal.SIGINT)
result.breakCaught = True
self.assertTrue(result.shouldStop)
os.kill(pid, signal.SIGINT)
self.fail("Second KeyboardInterrupt not raised")
try:
test(result)
except KeyboardInterrupt:
pass
else:
self.fail("Second KeyboardInterrupt not raised")
self.assertTrue(result.breakCaught)
def testTwoResults(self):
unittest.installHandler()
result = unittest.TestResult()
unittest.registerResult(result)
new_handler = signal.getsignal(signal.SIGINT)
result2 = unittest.TestResult()
unittest.registerResult(result2)
self.assertEqual(signal.getsignal(signal.SIGINT), new_handler)
result3 = unittest.TestResult()
def test(result):
pid = os.getpid()
os.kill(pid, signal.SIGINT)
try:
test(result)
except KeyboardInterrupt:
self.fail("KeyboardInterrupt not handled")
self.assertTrue(result.shouldStop)
self.assertTrue(result2.shouldStop)
self.assertFalse(result3.shouldStop)
def testHandlerReplacedButCalled(self):
# If our handler has been replaced (is no longer installed) but is
# called by the *new* handler, then it isn't safe to delay the
# SIGINT and we should immediately delegate to the default handler
unittest.installHandler()
handler = signal.getsignal(signal.SIGINT)
def new_handler(frame, signum):
handler(frame, signum)
signal.signal(signal.SIGINT, new_handler)
try:
pid = os.getpid()
os.kill(pid, signal.SIGINT)
except KeyboardInterrupt:
pass
else:
self.fail("replaced but delegated handler doesn't raise interrupt")
def testRunner(self):
# Creating a TextTestRunner with the appropriate argument should
# register the TextTestResult it creates
runner = unittest.TextTestRunner(stream=StringIO())
result = runner.run(unittest.TestSuite())
self.assertIn(result, unittest.signals._results)
def testWeakReferences(self):
# Calling registerResult on a result should not keep it alive
result = unittest.TestResult()
unittest.registerResult(result)
ref = weakref.ref(result)
del result
# For non-reference counting implementations
gc.collect();gc.collect()
self.assertIsNone(ref())
def testRemoveResult(self):
result = unittest.TestResult()
unittest.registerResult(result)
unittest.installHandler()
self.assertTrue(unittest.removeResult(result))
# Should this raise an error instead?
self.assertFalse(unittest.removeResult(unittest.TestResult()))
try:
pid = os.getpid()
os.kill(pid, signal.SIGINT)
except KeyboardInterrupt:
pass
self.assertFalse(result.shouldStop)
def testMainInstallsHandler(self):
failfast = object()
test = object()
verbosity = object()
result = object()
default_handler = signal.getsignal(signal.SIGINT)
class FakeRunner(object):
initArgs = []
runArgs = []
def __init__(self, *args, **kwargs):
self.initArgs.append((args, kwargs))
def run(self, test):
self.runArgs.append(test)
return result
class Program(unittest.TestProgram):
def __init__(self, catchbreak):
self.exit = False
self.verbosity = verbosity
self.failfast = failfast
self.catchbreak = catchbreak
self.testRunner = FakeRunner
self.test = test
self.result = None
p = Program(False)
p.runTests()
self.assertEqual(FakeRunner.initArgs, [((), {'buffer': None,
'verbosity': verbosity,
'failfast': failfast})])
self.assertEqual(FakeRunner.runArgs, [test])
self.assertEqual(p.result, result)
self.assertEqual(signal.getsignal(signal.SIGINT), default_handler)
FakeRunner.initArgs = []
FakeRunner.runArgs = []
p = Program(True)
p.runTests()
self.assertEqual(FakeRunner.initArgs, [((), {'buffer': None,
'verbosity': verbosity,
'failfast': failfast})])
self.assertEqual(FakeRunner.runArgs, [test])
self.assertEqual(p.result, result)
self.assertNotEqual(signal.getsignal(signal.SIGINT), default_handler)
def testRemoveHandler(self):
default_handler = signal.getsignal(signal.SIGINT)
unittest.installHandler()
unittest.removeHandler()
self.assertEqual(signal.getsignal(signal.SIGINT), default_handler)
# check that calling removeHandler multiple times has no ill-effect
unittest.removeHandler()
self.assertEqual(signal.getsignal(signal.SIGINT), default_handler)
def testRemoveHandlerAsDecorator(self):
default_handler = signal.getsignal(signal.SIGINT)
unittest.installHandler()
@unittest.removeHandler
def test():
self.assertEqual(signal.getsignal(signal.SIGINT), default_handler)
test()
self.assertNotEqual(signal.getsignal(signal.SIGINT), default_handler)

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import os
import re
import sys
import unittest
class TestDiscovery(unittest.TestCase):
# Heavily mocked tests so I can avoid hitting the filesystem
def test_get_name_from_path(self):
loader = unittest.TestLoader()
loader._top_level_dir = '/foo'
name = loader._get_name_from_path('/foo/bar/baz.py')
self.assertEqual(name, 'bar.baz')
if not __debug__:
# asserts are off
return
with self.assertRaises(AssertionError):
loader._get_name_from_path('/bar/baz.py')
def test_find_tests(self):
loader = unittest.TestLoader()
original_listdir = os.listdir
def restore_listdir():
os.listdir = original_listdir
original_isfile = os.path.isfile
def restore_isfile():
os.path.isfile = original_isfile
original_isdir = os.path.isdir
def restore_isdir():
os.path.isdir = original_isdir
path_lists = [['test1.py', 'test2.py', 'not_a_test.py', 'test_dir',
'test.foo', 'test-not-a-module.py', 'another_dir'],
['test3.py', 'test4.py', ]]
os.listdir = lambda path: path_lists.pop(0)
self.addCleanup(restore_listdir)
def isdir(path):
return path.endswith('dir')
os.path.isdir = isdir
self.addCleanup(restore_isdir)
def isfile(path):
# another_dir is not a package and so shouldn't be recursed into
return not path.endswith('dir') and not 'another_dir' in path
os.path.isfile = isfile
self.addCleanup(restore_isfile)
loader._get_module_from_name = lambda path: path + ' module'
loader.loadTestsFromModule = lambda module: module + ' tests'
top_level = os.path.abspath('/foo')
loader._top_level_dir = top_level
suite = list(loader._find_tests(top_level, 'test*.py'))
expected = [name + ' module tests' for name in
('test1', 'test2')]
expected.extend([('test_dir.%s' % name) + ' module tests' for name in
('test3', 'test4')])
self.assertEqual(suite, expected)
def test_find_tests_with_package(self):
loader = unittest.TestLoader()
original_listdir = os.listdir
def restore_listdir():
os.listdir = original_listdir
original_isfile = os.path.isfile
def restore_isfile():
os.path.isfile = original_isfile
original_isdir = os.path.isdir
def restore_isdir():
os.path.isdir = original_isdir
directories = ['a_directory', 'test_directory', 'test_directory2']
path_lists = [directories, [], [], []]
os.listdir = lambda path: path_lists.pop(0)
self.addCleanup(restore_listdir)
os.path.isdir = lambda path: True
self.addCleanup(restore_isdir)
os.path.isfile = lambda path: os.path.basename(path) not in directories
self.addCleanup(restore_isfile)
class Module(object):
paths = []
load_tests_args = []
def __init__(self, path):
self.path = path
self.paths.append(path)
if os.path.basename(path) == 'test_directory':
def load_tests(loader, tests, pattern):
self.load_tests_args.append((loader, tests, pattern))
return 'load_tests'
self.load_tests = load_tests
def __eq__(self, other):
return self.path == other.path
# Silence py3k warning
__hash__ = None
loader._get_module_from_name = lambda name: Module(name)
def loadTestsFromModule(module, use_load_tests):
if use_load_tests:
raise self.failureException('use_load_tests should be False for packages')
return module.path + ' module tests'
loader.loadTestsFromModule = loadTestsFromModule
loader._top_level_dir = '/foo'
# this time no '.py' on the pattern so that it can match
# a test package
suite = list(loader._find_tests('/foo', 'test*'))
# We should have loaded tests from the test_directory package by calling load_tests
# and directly from the test_directory2 package
self.assertEqual(suite,
['load_tests', 'test_directory2' + ' module tests'])
self.assertEqual(Module.paths, ['test_directory', 'test_directory2'])
# load_tests should have been called once with loader, tests and pattern
self.assertEqual(Module.load_tests_args,
[(loader, 'test_directory' + ' module tests', 'test*')])
def test_discover(self):
loader = unittest.TestLoader()
original_isfile = os.path.isfile
original_isdir = os.path.isdir
def restore_isfile():
os.path.isfile = original_isfile
os.path.isfile = lambda path: False
self.addCleanup(restore_isfile)
orig_sys_path = sys.path[:]
def restore_path():
sys.path[:] = orig_sys_path
self.addCleanup(restore_path)
full_path = os.path.abspath(os.path.normpath('/foo'))
with self.assertRaises(ImportError):
loader.discover('/foo/bar', top_level_dir='/foo')
self.assertEqual(loader._top_level_dir, full_path)
self.assertIn(full_path, sys.path)
os.path.isfile = lambda path: True
os.path.isdir = lambda path: True
def restore_isdir():
os.path.isdir = original_isdir
self.addCleanup(restore_isdir)
_find_tests_args = []
def _find_tests(start_dir, pattern):
_find_tests_args.append((start_dir, pattern))
return ['tests']
loader._find_tests = _find_tests
loader.suiteClass = str
suite = loader.discover('/foo/bar/baz', 'pattern', '/foo/bar')
top_level_dir = os.path.abspath('/foo/bar')
start_dir = os.path.abspath('/foo/bar/baz')
self.assertEqual(suite, "['tests']")
self.assertEqual(loader._top_level_dir, top_level_dir)
self.assertEqual(_find_tests_args, [(start_dir, 'pattern')])
self.assertIn(top_level_dir, sys.path)
def test_discover_with_modules_that_fail_to_import(self):
loader = unittest.TestLoader()
listdir = os.listdir
os.listdir = lambda _: ['test_this_does_not_exist.py']
isfile = os.path.isfile
os.path.isfile = lambda _: True
orig_sys_path = sys.path[:]
def restore():
os.path.isfile = isfile
os.listdir = listdir
sys.path[:] = orig_sys_path
self.addCleanup(restore)
suite = loader.discover('.')
self.assertIn(os.getcwd(), sys.path)
self.assertEqual(suite.countTestCases(), 1)
test = list(list(suite)[0])[0] # extract test from suite
with self.assertRaises(ImportError):
test.test_this_does_not_exist()
def test_command_line_handling_parseArgs(self):
# Haha - take that uninstantiable class
program = object.__new__(unittest.TestProgram)
args = []
def do_discovery(argv):
args.extend(argv)
program._do_discovery = do_discovery
program.parseArgs(['something', 'discover'])
self.assertEqual(args, [])
program.parseArgs(['something', 'discover', 'foo', 'bar'])
self.assertEqual(args, ['foo', 'bar'])
def test_command_line_handling_do_discovery_too_many_arguments(self):
class Stop(Exception):
pass
def usageExit():
raise Stop
program = object.__new__(unittest.TestProgram)
program.usageExit = usageExit
with self.assertRaises(Stop):
# too many args
program._do_discovery(['one', 'two', 'three', 'four'])
def test_command_line_handling_do_discovery_calls_loader(self):
program = object.__new__(unittest.TestProgram)
class Loader(object):
args = []
def discover(self, start_dir, pattern, top_level_dir):
self.args.append((start_dir, pattern, top_level_dir))
return 'tests'
program._do_discovery(['-v'], Loader=Loader)
self.assertEqual(program.verbosity, 2)
self.assertEqual(program.test, 'tests')
self.assertEqual(Loader.args, [('.', 'test*.py', None)])
Loader.args = []
program = object.__new__(unittest.TestProgram)
program._do_discovery(['--verbose'], Loader=Loader)
self.assertEqual(program.test, 'tests')
self.assertEqual(Loader.args, [('.', 'test*.py', None)])
Loader.args = []
program = object.__new__(unittest.TestProgram)
program._do_discovery([], Loader=Loader)
self.assertEqual(program.test, 'tests')
self.assertEqual(Loader.args, [('.', 'test*.py', None)])
Loader.args = []
program = object.__new__(unittest.TestProgram)
program._do_discovery(['fish'], Loader=Loader)
self.assertEqual(program.test, 'tests')
self.assertEqual(Loader.args, [('fish', 'test*.py', None)])
Loader.args = []
program = object.__new__(unittest.TestProgram)
program._do_discovery(['fish', 'eggs'], Loader=Loader)
self.assertEqual(program.test, 'tests')
self.assertEqual(Loader.args, [('fish', 'eggs', None)])
Loader.args = []
program = object.__new__(unittest.TestProgram)
program._do_discovery(['fish', 'eggs', 'ham'], Loader=Loader)
self.assertEqual(program.test, 'tests')
self.assertEqual(Loader.args, [('fish', 'eggs', 'ham')])
Loader.args = []
program = object.__new__(unittest.TestProgram)
program._do_discovery(['-s', 'fish'], Loader=Loader)
self.assertEqual(program.test, 'tests')
self.assertEqual(Loader.args, [('fish', 'test*.py', None)])
Loader.args = []
program = object.__new__(unittest.TestProgram)
program._do_discovery(['-t', 'fish'], Loader=Loader)
self.assertEqual(program.test, 'tests')
self.assertEqual(Loader.args, [('.', 'test*.py', 'fish')])
Loader.args = []
program = object.__new__(unittest.TestProgram)
program._do_discovery(['-p', 'fish'], Loader=Loader)
self.assertEqual(program.test, 'tests')
self.assertEqual(Loader.args, [('.', 'fish', None)])
self.assertFalse(program.failfast)
self.assertFalse(program.catchbreak)
Loader.args = []
program = object.__new__(unittest.TestProgram)
program._do_discovery(['-p', 'eggs', '-s', 'fish', '-v', '-f', '-c'],
Loader=Loader)
self.assertEqual(program.test, 'tests')
self.assertEqual(Loader.args, [('fish', 'eggs', None)])
self.assertEqual(program.verbosity, 2)
self.assertTrue(program.failfast)
self.assertTrue(program.catchbreak)
def test_detect_module_clash(self):
class Module(object):
__file__ = 'bar/foo.py'
sys.modules['foo'] = Module
full_path = os.path.abspath('foo')
original_listdir = os.listdir
original_isfile = os.path.isfile
original_isdir = os.path.isdir
def cleanup():
os.listdir = original_listdir
os.path.isfile = original_isfile
os.path.isdir = original_isdir
del sys.modules['foo']
if full_path in sys.path:
sys.path.remove(full_path)
self.addCleanup(cleanup)
def listdir(_):
return ['foo.py']
def isfile(_):
return True
def isdir(_):
return True
os.listdir = listdir
os.path.isfile = isfile
os.path.isdir = isdir
loader = unittest.TestLoader()
mod_dir = os.path.abspath('bar')
expected_dir = os.path.abspath('foo')
msg = re.escape(r"'foo' module incorrectly imported from %r. Expected %r. "
"Is this module globally installed?" % (mod_dir, expected_dir))
self.assertRaisesRegexp(
ImportError, '^%s$' % msg, loader.discover,
start_dir='foo', pattern='foo.py'
)
self.assertEqual(sys.path[0], full_path)
def test_discovery_from_dotted_path(self):
loader = unittest.TestLoader()
tests = [self]
expectedPath = os.path.abspath(os.path.dirname(unittest.test.__file__))
self.wasRun = False
def _find_tests(start_dir, pattern):
self.wasRun = True
self.assertEqual(start_dir, expectedPath)
return tests
loader._find_tests = _find_tests
suite = loader.discover('unittest.test')
self.assertTrue(self.wasRun)
self.assertEqual(suite._tests, tests)
if __name__ == '__main__':
unittest.main()

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import unittest
from .support import LoggingResult
class Test_FunctionTestCase(unittest.TestCase):
# "Return the number of tests represented by the this test object. For
# TestCase instances, this will always be 1"
def test_countTestCases(self):
test = unittest.FunctionTestCase(lambda: None)
self.assertEqual(test.countTestCases(), 1)
# "When a setUp() method is defined, the test runner will run that method
# prior to each test. Likewise, if a tearDown() method is defined, the
# test runner will invoke that method after each test. In the example,
# setUp() was used to create a fresh sequence for each test."
#
# Make sure the proper call order is maintained, even if setUp() raises
# an exception.
def test_run_call_order__error_in_setUp(self):
events = []
result = LoggingResult(events)
def setUp():
events.append('setUp')
raise RuntimeError('raised by setUp')
def test():
events.append('test')
def tearDown():
events.append('tearDown')
expected = ['startTest', 'setUp', 'addError', 'stopTest']
unittest.FunctionTestCase(test, setUp, tearDown).run(result)
self.assertEqual(events, expected)
# "When a setUp() method is defined, the test runner will run that method
# prior to each test. Likewise, if a tearDown() method is defined, the
# test runner will invoke that method after each test. In the example,
# setUp() was used to create a fresh sequence for each test."
#
# Make sure the proper call order is maintained, even if the test raises
# an error (as opposed to a failure).
def test_run_call_order__error_in_test(self):
events = []
result = LoggingResult(events)
def setUp():
events.append('setUp')
def test():
events.append('test')
raise RuntimeError('raised by test')
def tearDown():
events.append('tearDown')
expected = ['startTest', 'setUp', 'test', 'addError', 'tearDown',
'stopTest']
unittest.FunctionTestCase(test, setUp, tearDown).run(result)
self.assertEqual(events, expected)
# "When a setUp() method is defined, the test runner will run that method
# prior to each test. Likewise, if a tearDown() method is defined, the
# test runner will invoke that method after each test. In the example,
# setUp() was used to create a fresh sequence for each test."
#
# Make sure the proper call order is maintained, even if the test signals
# a failure (as opposed to an error).
def test_run_call_order__failure_in_test(self):
events = []
result = LoggingResult(events)
def setUp():
events.append('setUp')
def test():
events.append('test')
self.fail('raised by test')
def tearDown():
events.append('tearDown')
expected = ['startTest', 'setUp', 'test', 'addFailure', 'tearDown',
'stopTest']
unittest.FunctionTestCase(test, setUp, tearDown).run(result)
self.assertEqual(events, expected)
# "When a setUp() method is defined, the test runner will run that method
# prior to each test. Likewise, if a tearDown() method is defined, the
# test runner will invoke that method after each test. In the example,
# setUp() was used to create a fresh sequence for each test."
#
# Make sure the proper call order is maintained, even if tearDown() raises
# an exception.
def test_run_call_order__error_in_tearDown(self):
events = []
result = LoggingResult(events)
def setUp():
events.append('setUp')
def test():
events.append('test')
def tearDown():
events.append('tearDown')
raise RuntimeError('raised by tearDown')
expected = ['startTest', 'setUp', 'test', 'tearDown', 'addError',
'stopTest']
unittest.FunctionTestCase(test, setUp, tearDown).run(result)
self.assertEqual(events, expected)
# "Return a string identifying the specific test case."
#
# Because of the vague nature of the docs, I'm not going to lock this
# test down too much. Really all that can be asserted is that the id()
# will be a string (either 8-byte or unicode -- again, because the docs
# just say "string")
def test_id(self):
test = unittest.FunctionTestCase(lambda: None)
self.assertIsInstance(test.id(), basestring)
# "Returns a one-line description of the test, or None if no description
# has been provided. The default implementation of this method returns
# the first line of the test method's docstring, if available, or None."
def test_shortDescription__no_docstring(self):
test = unittest.FunctionTestCase(lambda: None)
self.assertEqual(test.shortDescription(), None)
# "Returns a one-line description of the test, or None if no description
# has been provided. The default implementation of this method returns
# the first line of the test method's docstring, if available, or None."
def test_shortDescription__singleline_docstring(self):
desc = "this tests foo"
test = unittest.FunctionTestCase(lambda: None, description=desc)
self.assertEqual(test.shortDescription(), "this tests foo")
if __name__ == '__main__':
unittest.main()

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from cStringIO import StringIO
import os
import sys
import unittest
class Test_TestProgram(unittest.TestCase):
def test_discovery_from_dotted_path(self):
loader = unittest.TestLoader()
tests = [self]
expectedPath = os.path.abspath(os.path.dirname(unittest.test.__file__))
self.wasRun = False
def _find_tests(start_dir, pattern):
self.wasRun = True
self.assertEqual(start_dir, expectedPath)
return tests
loader._find_tests = _find_tests
suite = loader.discover('unittest.test')
self.assertTrue(self.wasRun)
self.assertEqual(suite._tests, tests)
# Horrible white box test
def testNoExit(self):
result = object()
test = object()
class FakeRunner(object):
def run(self, test):
self.test = test
return result
runner = FakeRunner()
oldParseArgs = unittest.TestProgram.parseArgs
def restoreParseArgs():
unittest.TestProgram.parseArgs = oldParseArgs
unittest.TestProgram.parseArgs = lambda *args: None
self.addCleanup(restoreParseArgs)
def removeTest():
del unittest.TestProgram.test
unittest.TestProgram.test = test
self.addCleanup(removeTest)
program = unittest.TestProgram(testRunner=runner, exit=False, verbosity=2)
self.assertEqual(program.result, result)
self.assertEqual(runner.test, test)
self.assertEqual(program.verbosity, 2)
class FooBar(unittest.TestCase):
def testPass(self):
assert True
def testFail(self):
assert False
class FooBarLoader(unittest.TestLoader):
"""Test loader that returns a suite containing FooBar."""
def loadTestsFromModule(self, module):
return self.suiteClass(
[self.loadTestsFromTestCase(Test_TestProgram.FooBar)])
def test_NonExit(self):
program = unittest.main(exit=False,
argv=["foobar"],
testRunner=unittest.TextTestRunner(stream=StringIO()),
testLoader=self.FooBarLoader())
self.assertTrue(hasattr(program, 'result'))
def test_Exit(self):
self.assertRaises(
SystemExit,
unittest.main,
argv=["foobar"],
testRunner=unittest.TextTestRunner(stream=StringIO()),
exit=True,
testLoader=self.FooBarLoader())
def test_ExitAsDefault(self):
self.assertRaises(
SystemExit,
unittest.main,
argv=["foobar"],
testRunner=unittest.TextTestRunner(stream=StringIO()),
testLoader=self.FooBarLoader())
class InitialisableProgram(unittest.TestProgram):
exit = False
result = None
verbosity = 1
defaultTest = None
testRunner = None
testLoader = unittest.defaultTestLoader
progName = 'test'
test = 'test'
def __init__(self, *args):
pass
RESULT = object()
class FakeRunner(object):
initArgs = None
test = None
raiseError = False
def __init__(self, **kwargs):
FakeRunner.initArgs = kwargs
if FakeRunner.raiseError:
FakeRunner.raiseError = False
raise TypeError
def run(self, test):
FakeRunner.test = test
return RESULT
class TestCommandLineArgs(unittest.TestCase):
def setUp(self):
self.program = InitialisableProgram()
self.program.createTests = lambda: None
FakeRunner.initArgs = None
FakeRunner.test = None
FakeRunner.raiseError = False
def testHelpAndUnknown(self):
program = self.program
def usageExit(msg=None):
program.msg = msg
program.exit = True
program.usageExit = usageExit
for opt in '-h', '-H', '--help':
program.exit = False
program.parseArgs([None, opt])
self.assertTrue(program.exit)
self.assertIsNone(program.msg)
program.parseArgs([None, '-$'])
self.assertTrue(program.exit)
self.assertIsNotNone(program.msg)
def testVerbosity(self):
program = self.program
for opt in '-q', '--quiet':
program.verbosity = 1
program.parseArgs([None, opt])
self.assertEqual(program.verbosity, 0)
for opt in '-v', '--verbose':
program.verbosity = 1
program.parseArgs([None, opt])
self.assertEqual(program.verbosity, 2)
def testBufferCatchFailfast(self):
program = self.program
for arg, attr in (('buffer', 'buffer'), ('failfast', 'failfast'),
('catch', 'catchbreak')):
if attr == 'catch' and not hasInstallHandler:
continue
short_opt = '-%s' % arg[0]
long_opt = '--%s' % arg
for opt in short_opt, long_opt:
setattr(program, attr, None)
program.parseArgs([None, opt])
self.assertTrue(getattr(program, attr))
for opt in short_opt, long_opt:
not_none = object()
setattr(program, attr, not_none)
program.parseArgs([None, opt])
self.assertEqual(getattr(program, attr), not_none)
def testRunTestsRunnerClass(self):
program = self.program
program.testRunner = FakeRunner
program.verbosity = 'verbosity'
program.failfast = 'failfast'
program.buffer = 'buffer'
program.runTests()
self.assertEqual(FakeRunner.initArgs, {'verbosity': 'verbosity',
'failfast': 'failfast',
'buffer': 'buffer'})
self.assertEqual(FakeRunner.test, 'test')
self.assertIs(program.result, RESULT)
def testRunTestsRunnerInstance(self):
program = self.program
program.testRunner = FakeRunner()
FakeRunner.initArgs = None
program.runTests()
# A new FakeRunner should not have been instantiated
self.assertIsNone(FakeRunner.initArgs)
self.assertEqual(FakeRunner.test, 'test')
self.assertIs(program.result, RESULT)
def testRunTestsOldRunnerClass(self):
program = self.program
FakeRunner.raiseError = True
program.testRunner = FakeRunner
program.verbosity = 'verbosity'
program.failfast = 'failfast'
program.buffer = 'buffer'
program.test = 'test'
program.runTests()
# If initializing raises a type error it should be retried
# without the new keyword arguments
self.assertEqual(FakeRunner.initArgs, {})
self.assertEqual(FakeRunner.test, 'test')
self.assertIs(program.result, RESULT)
def testCatchBreakInstallsHandler(self):
module = sys.modules['unittest.main']
original = module.installHandler
def restore():
module.installHandler = original
self.addCleanup(restore)
self.installed = False
def fakeInstallHandler():
self.installed = True
module.installHandler = fakeInstallHandler
program = self.program
program.catchbreak = True
program.testRunner = FakeRunner
program.runTests()
self.assertTrue(self.installed)
if __name__ == '__main__':
unittest.main()

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import sys
import textwrap
from StringIO import StringIO
from test import test_support
import traceback
import unittest
class Test_TestResult(unittest.TestCase):
# Note: there are not separate tests for TestResult.wasSuccessful(),
# TestResult.errors, TestResult.failures, TestResult.testsRun or
# TestResult.shouldStop because these only have meaning in terms of
# other TestResult methods.
#
# Accordingly, tests for the aforenamed attributes are incorporated
# in with the tests for the defining methods.
################################################################
def test_init(self):
result = unittest.TestResult()
self.assertTrue(result.wasSuccessful())
self.assertEqual(len(result.errors), 0)
self.assertEqual(len(result.failures), 0)
self.assertEqual(result.testsRun, 0)
self.assertEqual(result.shouldStop, False)
self.assertIsNone(result._stdout_buffer)
self.assertIsNone(result._stderr_buffer)
# "This method can be called to signal that the set of tests being
# run should be aborted by setting the TestResult's shouldStop
# attribute to True."
def test_stop(self):
result = unittest.TestResult()
result.stop()
self.assertEqual(result.shouldStop, True)
# "Called when the test case test is about to be run. The default
# implementation simply increments the instance's testsRun counter."
def test_startTest(self):
class Foo(unittest.TestCase):
def test_1(self):
pass
test = Foo('test_1')
result = unittest.TestResult()
result.startTest(test)
self.assertTrue(result.wasSuccessful())
self.assertEqual(len(result.errors), 0)
self.assertEqual(len(result.failures), 0)
self.assertEqual(result.testsRun, 1)
self.assertEqual(result.shouldStop, False)
result.stopTest(test)
# "Called after the test case test has been executed, regardless of
# the outcome. The default implementation does nothing."
def test_stopTest(self):
class Foo(unittest.TestCase):
def test_1(self):
pass
test = Foo('test_1')
result = unittest.TestResult()
result.startTest(test)
self.assertTrue(result.wasSuccessful())
self.assertEqual(len(result.errors), 0)
self.assertEqual(len(result.failures), 0)
self.assertEqual(result.testsRun, 1)
self.assertEqual(result.shouldStop, False)
result.stopTest(test)
# Same tests as above; make sure nothing has changed
self.assertTrue(result.wasSuccessful())
self.assertEqual(len(result.errors), 0)
self.assertEqual(len(result.failures), 0)
self.assertEqual(result.testsRun, 1)
self.assertEqual(result.shouldStop, False)
# "Called before and after tests are run. The default implementation does nothing."
def test_startTestRun_stopTestRun(self):
result = unittest.TestResult()
result.startTestRun()
result.stopTestRun()
# "addSuccess(test)"
# ...
# "Called when the test case test succeeds"
# ...
# "wasSuccessful() - Returns True if all tests run so far have passed,
# otherwise returns False"
# ...
# "testsRun - The total number of tests run so far."
# ...
# "errors - A list containing 2-tuples of TestCase instances and
# formatted tracebacks. Each tuple represents a test which raised an
# unexpected exception. Contains formatted
# tracebacks instead of sys.exc_info() results."
# ...
# "failures - A list containing 2-tuples of TestCase instances and
# formatted tracebacks. Each tuple represents a test where a failure was
# explicitly signalled using the TestCase.fail*() or TestCase.assert*()
# methods. Contains formatted tracebacks instead
# of sys.exc_info() results."
def test_addSuccess(self):
class Foo(unittest.TestCase):
def test_1(self):
pass
test = Foo('test_1')
result = unittest.TestResult()
result.startTest(test)
result.addSuccess(test)
result.stopTest(test)
self.assertTrue(result.wasSuccessful())
self.assertEqual(len(result.errors), 0)
self.assertEqual(len(result.failures), 0)
self.assertEqual(result.testsRun, 1)
self.assertEqual(result.shouldStop, False)
# "addFailure(test, err)"
# ...
# "Called when the test case test signals a failure. err is a tuple of
# the form returned by sys.exc_info(): (type, value, traceback)"
# ...
# "wasSuccessful() - Returns True if all tests run so far have passed,
# otherwise returns False"
# ...
# "testsRun - The total number of tests run so far."
# ...
# "errors - A list containing 2-tuples of TestCase instances and
# formatted tracebacks. Each tuple represents a test which raised an
# unexpected exception. Contains formatted
# tracebacks instead of sys.exc_info() results."
# ...
# "failures - A list containing 2-tuples of TestCase instances and
# formatted tracebacks. Each tuple represents a test where a failure was
# explicitly signalled using the TestCase.fail*() or TestCase.assert*()
# methods. Contains formatted tracebacks instead
# of sys.exc_info() results."
def test_addFailure(self):
class Foo(unittest.TestCase):
def test_1(self):
pass
test = Foo('test_1')
try:
test.fail("foo")
except:
exc_info_tuple = sys.exc_info()
result = unittest.TestResult()
result.startTest(test)
result.addFailure(test, exc_info_tuple)
result.stopTest(test)
self.assertFalse(result.wasSuccessful())
self.assertEqual(len(result.errors), 0)
self.assertEqual(len(result.failures), 1)
self.assertEqual(result.testsRun, 1)
self.assertEqual(result.shouldStop, False)
test_case, formatted_exc = result.failures[0]
self.assertTrue(test_case is test)
self.assertIsInstance(formatted_exc, str)
# "addError(test, err)"
# ...
# "Called when the test case test raises an unexpected exception err
# is a tuple of the form returned by sys.exc_info():
# (type, value, traceback)"
# ...
# "wasSuccessful() - Returns True if all tests run so far have passed,
# otherwise returns False"
# ...
# "testsRun - The total number of tests run so far."
# ...
# "errors - A list containing 2-tuples of TestCase instances and
# formatted tracebacks. Each tuple represents a test which raised an
# unexpected exception. Contains formatted
# tracebacks instead of sys.exc_info() results."
# ...
# "failures - A list containing 2-tuples of TestCase instances and
# formatted tracebacks. Each tuple represents a test where a failure was
# explicitly signalled using the TestCase.fail*() or TestCase.assert*()
# methods. Contains formatted tracebacks instead
# of sys.exc_info() results."
def test_addError(self):
class Foo(unittest.TestCase):
def test_1(self):
pass
test = Foo('test_1')
try:
raise TypeError()
except:
exc_info_tuple = sys.exc_info()
result = unittest.TestResult()
result.startTest(test)
result.addError(test, exc_info_tuple)
result.stopTest(test)
self.assertFalse(result.wasSuccessful())
self.assertEqual(len(result.errors), 1)
self.assertEqual(len(result.failures), 0)
self.assertEqual(result.testsRun, 1)
self.assertEqual(result.shouldStop, False)
test_case, formatted_exc = result.errors[0]
self.assertTrue(test_case is test)
self.assertIsInstance(formatted_exc, str)
def testGetDescriptionWithoutDocstring(self):
result = unittest.TextTestResult(None, True, 1)
self.assertEqual(
result.getDescription(self),
'testGetDescriptionWithoutDocstring (' + __name__ +
'.Test_TestResult)')
@unittest.skipIf(sys.flags.optimize >= 2,
"Docstrings are omitted with -O2 and above")
def testGetDescriptionWithOneLineDocstring(self):
"""Tests getDescription() for a method with a docstring."""
result = unittest.TextTestResult(None, True, 1)
self.assertEqual(
result.getDescription(self),
('testGetDescriptionWithOneLineDocstring '
'(' + __name__ + '.Test_TestResult)\n'
'Tests getDescription() for a method with a docstring.'))
@unittest.skipIf(sys.flags.optimize >= 2,
"Docstrings are omitted with -O2 and above")
def testGetDescriptionWithMultiLineDocstring(self):
"""Tests getDescription() for a method with a longer docstring.
The second line of the docstring.
"""
result = unittest.TextTestResult(None, True, 1)
self.assertEqual(
result.getDescription(self),
('testGetDescriptionWithMultiLineDocstring '
'(' + __name__ + '.Test_TestResult)\n'
'Tests getDescription() for a method with a longer '
'docstring.'))
def testStackFrameTrimming(self):
class Frame(object):
class tb_frame(object):
f_globals = {}
result = unittest.TestResult()
self.assertFalse(result._is_relevant_tb_level(Frame))
Frame.tb_frame.f_globals['__unittest'] = True
self.assertTrue(result._is_relevant_tb_level(Frame))
def testFailFast(self):
result = unittest.TestResult()
result._exc_info_to_string = lambda *_: ''
result.failfast = True
result.addError(None, None)
self.assertTrue(result.shouldStop)
result = unittest.TestResult()
result._exc_info_to_string = lambda *_: ''
result.failfast = True
result.addFailure(None, None)
self.assertTrue(result.shouldStop)
result = unittest.TestResult()
result._exc_info_to_string = lambda *_: ''
result.failfast = True
result.addUnexpectedSuccess(None)
self.assertTrue(result.shouldStop)
def testFailFastSetByRunner(self):
runner = unittest.TextTestRunner(stream=StringIO(), failfast=True)
def test(result):
self.assertTrue(result.failfast)
runner.run(test)
classDict = dict(unittest.TestResult.__dict__)
for m in ('addSkip', 'addExpectedFailure', 'addUnexpectedSuccess',
'__init__'):
del classDict[m]
def __init__(self, stream=None, descriptions=None, verbosity=None):
self.failures = []
self.errors = []
self.testsRun = 0
self.shouldStop = False
self.buffer = False
classDict['__init__'] = __init__
OldResult = type('OldResult', (object,), classDict)
class Test_OldTestResult(unittest.TestCase):
def assertOldResultWarning(self, test, failures):
with test_support.check_warnings(("TestResult has no add.+ method,",
RuntimeWarning)):
result = OldResult()
test.run(result)
self.assertEqual(len(result.failures), failures)
def testOldTestResult(self):
class Test(unittest.TestCase):
def testSkip(self):
self.skipTest('foobar')
@unittest.expectedFailure
def testExpectedFail(self):
raise TypeError
@unittest.expectedFailure
def testUnexpectedSuccess(self):
pass
for test_name, should_pass in (('testSkip', True),
('testExpectedFail', True),
('testUnexpectedSuccess', False)):
test = Test(test_name)
self.assertOldResultWarning(test, int(not should_pass))
def testOldTestTesultSetup(self):
class Test(unittest.TestCase):
def setUp(self):
self.skipTest('no reason')
def testFoo(self):
pass
self.assertOldResultWarning(Test('testFoo'), 0)
def testOldTestResultClass(self):
@unittest.skip('no reason')
class Test(unittest.TestCase):
def testFoo(self):
pass
self.assertOldResultWarning(Test('testFoo'), 0)
def testOldResultWithRunner(self):
class Test(unittest.TestCase):
def testFoo(self):
pass
runner = unittest.TextTestRunner(resultclass=OldResult,
stream=StringIO())
# This will raise an exception if TextTestRunner can't handle old
# test result objects
runner.run(Test('testFoo'))
class MockTraceback(object):
@staticmethod
def format_exception(*_):
return ['A traceback']
def restore_traceback():
unittest.result.traceback = traceback
class TestOutputBuffering(unittest.TestCase):
def setUp(self):
self._real_out = sys.stdout
self._real_err = sys.stderr
def tearDown(self):
sys.stdout = self._real_out
sys.stderr = self._real_err
def testBufferOutputOff(self):
real_out = self._real_out
real_err = self._real_err
result = unittest.TestResult()
self.assertFalse(result.buffer)
self.assertIs(real_out, sys.stdout)
self.assertIs(real_err, sys.stderr)
result.startTest(self)
self.assertIs(real_out, sys.stdout)
self.assertIs(real_err, sys.stderr)
def testBufferOutputStartTestAddSuccess(self):
real_out = self._real_out
real_err = self._real_err
result = unittest.TestResult()
self.assertFalse(result.buffer)
result.buffer = True
self.assertIs(real_out, sys.stdout)
self.assertIs(real_err, sys.stderr)
result.startTest(self)
self.assertIsNot(real_out, sys.stdout)
self.assertIsNot(real_err, sys.stderr)
self.assertIsInstance(sys.stdout, StringIO)
self.assertIsInstance(sys.stderr, StringIO)
self.assertIsNot(sys.stdout, sys.stderr)
out_stream = sys.stdout
err_stream = sys.stderr
result._original_stdout = StringIO()
result._original_stderr = StringIO()
print 'foo'
print >> sys.stderr, 'bar'
self.assertEqual(out_stream.getvalue(), 'foo\n')
self.assertEqual(err_stream.getvalue(), 'bar\n')
self.assertEqual(result._original_stdout.getvalue(), '')
self.assertEqual(result._original_stderr.getvalue(), '')
result.addSuccess(self)
result.stopTest(self)
self.assertIs(sys.stdout, result._original_stdout)
self.assertIs(sys.stderr, result._original_stderr)
self.assertEqual(result._original_stdout.getvalue(), '')
self.assertEqual(result._original_stderr.getvalue(), '')
self.assertEqual(out_stream.getvalue(), '')
self.assertEqual(err_stream.getvalue(), '')
def getStartedResult(self):
result = unittest.TestResult()
result.buffer = True
result.startTest(self)
return result
def testBufferOutputAddErrorOrFailure(self):
unittest.result.traceback = MockTraceback
self.addCleanup(restore_traceback)
for message_attr, add_attr, include_error in [
('errors', 'addError', True),
('failures', 'addFailure', False),
('errors', 'addError', True),
('failures', 'addFailure', False)
]:
result = self.getStartedResult()
buffered_out = sys.stdout
buffered_err = sys.stderr
result._original_stdout = StringIO()
result._original_stderr = StringIO()
print >> sys.stdout, 'foo'
if include_error:
print >> sys.stderr, 'bar'
addFunction = getattr(result, add_attr)
addFunction(self, (None, None, None))
result.stopTest(self)
result_list = getattr(result, message_attr)
self.assertEqual(len(result_list), 1)
test, message = result_list[0]
expectedOutMessage = textwrap.dedent("""
Stdout:
foo
""")
expectedErrMessage = ''
if include_error:
expectedErrMessage = textwrap.dedent("""
Stderr:
bar
""")
expectedFullMessage = 'A traceback%s%s' % (expectedOutMessage, expectedErrMessage)
self.assertIs(test, self)
self.assertEqual(result._original_stdout.getvalue(), expectedOutMessage)
self.assertEqual(result._original_stderr.getvalue(), expectedErrMessage)
self.assertMultiLineEqual(message, expectedFullMessage)
def testBufferSetupClass(self):
result = unittest.TestResult()
result.buffer = True
class Foo(unittest.TestCase):
@classmethod
def setUpClass(cls):
1//0
def test_foo(self):
pass
suite = unittest.TestSuite([Foo('test_foo')])
suite(result)
self.assertEqual(len(result.errors), 1)
def testBufferTearDownClass(self):
result = unittest.TestResult()
result.buffer = True
class Foo(unittest.TestCase):
@classmethod
def tearDownClass(cls):
1//0
def test_foo(self):
pass
suite = unittest.TestSuite([Foo('test_foo')])
suite(result)
self.assertEqual(len(result.errors), 1)
def testBufferSetUpModule(self):
result = unittest.TestResult()
result.buffer = True
class Foo(unittest.TestCase):
def test_foo(self):
pass
class Module(object):
@staticmethod
def setUpModule():
1//0
Foo.__module__ = 'Module'
sys.modules['Module'] = Module
self.addCleanup(sys.modules.pop, 'Module')
suite = unittest.TestSuite([Foo('test_foo')])
suite(result)
self.assertEqual(len(result.errors), 1)
def testBufferTearDownModule(self):
result = unittest.TestResult()
result.buffer = True
class Foo(unittest.TestCase):
def test_foo(self):
pass
class Module(object):
@staticmethod
def tearDownModule():
1//0
Foo.__module__ = 'Module'
sys.modules['Module'] = Module
self.addCleanup(sys.modules.pop, 'Module')
suite = unittest.TestSuite([Foo('test_foo')])
suite(result)
self.assertEqual(len(result.errors), 1)
if __name__ == '__main__':
unittest.main()

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@ -0,0 +1,253 @@
import unittest
from cStringIO import StringIO
import pickle
from .support import LoggingResult, ResultWithNoStartTestRunStopTestRun
class TestCleanUp(unittest.TestCase):
def testCleanUp(self):
class TestableTest(unittest.TestCase):
def testNothing(self):
pass
test = TestableTest('testNothing')
self.assertEqual(test._cleanups, [])
cleanups = []
def cleanup1(*args, **kwargs):
cleanups.append((1, args, kwargs))
def cleanup2(*args, **kwargs):
cleanups.append((2, args, kwargs))
test.addCleanup(cleanup1, 1, 2, 3, four='hello', five='goodbye')
test.addCleanup(cleanup2)
self.assertEqual(test._cleanups,
[(cleanup1, (1, 2, 3), dict(four='hello', five='goodbye')),
(cleanup2, (), {})])
result = test.doCleanups()
self.assertTrue(result)
self.assertEqual(cleanups, [(2, (), {}), (1, (1, 2, 3),
dict(four='hello', five='goodbye'))])
def testCleanUpWithErrors(self):
class TestableTest(unittest.TestCase):
def testNothing(self):
pass
class MockResult(object):
errors = []
def addError(self, test, exc_info):
self.errors.append((test, exc_info))
result = MockResult()
test = TestableTest('testNothing')
test._resultForDoCleanups = result
exc1 = Exception('foo')
exc2 = Exception('bar')
def cleanup1():
raise exc1
def cleanup2():
raise exc2
test.addCleanup(cleanup1)
test.addCleanup(cleanup2)
self.assertFalse(test.doCleanups())
(test1, (Type1, instance1, _)), (test2, (Type2, instance2, _)) = reversed(MockResult.errors)
self.assertEqual((test1, Type1, instance1), (test, Exception, exc1))
self.assertEqual((test2, Type2, instance2), (test, Exception, exc2))
def testCleanupInRun(self):
blowUp = False
ordering = []
class TestableTest(unittest.TestCase):
def setUp(self):
ordering.append('setUp')
if blowUp:
raise Exception('foo')
def testNothing(self):
ordering.append('test')
def tearDown(self):
ordering.append('tearDown')
test = TestableTest('testNothing')
def cleanup1():
ordering.append('cleanup1')
def cleanup2():
ordering.append('cleanup2')
test.addCleanup(cleanup1)
test.addCleanup(cleanup2)
def success(some_test):
self.assertEqual(some_test, test)
ordering.append('success')
result = unittest.TestResult()
result.addSuccess = success
test.run(result)
self.assertEqual(ordering, ['setUp', 'test', 'tearDown',
'cleanup2', 'cleanup1', 'success'])
blowUp = True
ordering = []
test = TestableTest('testNothing')
test.addCleanup(cleanup1)
test.run(result)
self.assertEqual(ordering, ['setUp', 'cleanup1'])
def testTestCaseDebugExecutesCleanups(self):
ordering = []
class TestableTest(unittest.TestCase):
def setUp(self):
ordering.append('setUp')
self.addCleanup(cleanup1)
def testNothing(self):
ordering.append('test')
def tearDown(self):
ordering.append('tearDown')
test = TestableTest('testNothing')
def cleanup1():
ordering.append('cleanup1')
test.addCleanup(cleanup2)
def cleanup2():
ordering.append('cleanup2')
test.debug()
self.assertEqual(ordering, ['setUp', 'test', 'tearDown', 'cleanup1', 'cleanup2'])
class Test_TextTestRunner(unittest.TestCase):
"""Tests for TextTestRunner."""
def test_init(self):
runner = unittest.TextTestRunner()
self.assertFalse(runner.failfast)
self.assertFalse(runner.buffer)
self.assertEqual(runner.verbosity, 1)
self.assertTrue(runner.descriptions)
self.assertEqual(runner.resultclass, unittest.TextTestResult)
def testBufferAndFailfast(self):
class Test(unittest.TestCase):
def testFoo(self):
pass
result = unittest.TestResult()
runner = unittest.TextTestRunner(stream=StringIO(), failfast=True,
buffer=True)
# Use our result object
runner._makeResult = lambda: result
runner.run(Test('testFoo'))
self.assertTrue(result.failfast)
self.assertTrue(result.buffer)
def testRunnerRegistersResult(self):
class Test(unittest.TestCase):
def testFoo(self):
pass
originalRegisterResult = unittest.runner.registerResult
def cleanup():
unittest.runner.registerResult = originalRegisterResult
self.addCleanup(cleanup)
result = unittest.TestResult()
runner = unittest.TextTestRunner(stream=StringIO())
# Use our result object
runner._makeResult = lambda: result
self.wasRegistered = 0
def fakeRegisterResult(thisResult):
self.wasRegistered += 1
self.assertEqual(thisResult, result)
unittest.runner.registerResult = fakeRegisterResult
runner.run(unittest.TestSuite())
self.assertEqual(self.wasRegistered, 1)
def test_works_with_result_without_startTestRun_stopTestRun(self):
class OldTextResult(ResultWithNoStartTestRunStopTestRun):
separator2 = ''
def printErrors(self):
pass
class Runner(unittest.TextTestRunner):
def __init__(self):
super(Runner, self).__init__(StringIO())
def _makeResult(self):
return OldTextResult()
runner = Runner()
runner.run(unittest.TestSuite())
def test_startTestRun_stopTestRun_called(self):
class LoggingTextResult(LoggingResult):
separator2 = ''
def printErrors(self):
pass
class LoggingRunner(unittest.TextTestRunner):
def __init__(self, events):
super(LoggingRunner, self).__init__(StringIO())
self._events = events
def _makeResult(self):
return LoggingTextResult(self._events)
events = []
runner = LoggingRunner(events)
runner.run(unittest.TestSuite())
expected = ['startTestRun', 'stopTestRun']
self.assertEqual(events, expected)
def test_pickle_unpickle(self):
# Issue #7197: a TextTestRunner should be (un)pickleable. This is
# required by test_multiprocessing under Windows (in verbose mode).
from StringIO import StringIO as PickleableIO
# cStringIO objects are not pickleable, but StringIO objects are.
stream = PickleableIO("foo")
runner = unittest.TextTestRunner(stream)
for protocol in range(pickle.HIGHEST_PROTOCOL + 1):
s = pickle.dumps(runner, protocol=protocol)
obj = pickle.loads(s)
# StringIO objects never compare equal, a cheap test instead.
self.assertEqual(obj.stream.getvalue(), stream.getvalue())
def test_resultclass(self):
def MockResultClass(*args):
return args
STREAM = object()
DESCRIPTIONS = object()
VERBOSITY = object()
runner = unittest.TextTestRunner(STREAM, DESCRIPTIONS, VERBOSITY,
resultclass=MockResultClass)
self.assertEqual(runner.resultclass, MockResultClass)
expectedresult = (runner.stream, DESCRIPTIONS, VERBOSITY)
self.assertEqual(runner._makeResult(), expectedresult)
if __name__ == '__main__':
unittest.main()

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import sys
from cStringIO import StringIO
import unittest
def resultFactory(*_):
return unittest.TestResult()
class TestSetups(unittest.TestCase):
def getRunner(self):
return unittest.TextTestRunner(resultclass=resultFactory,
stream=StringIO())
def runTests(self, *cases):
suite = unittest.TestSuite()
for case in cases:
tests = unittest.defaultTestLoader.loadTestsFromTestCase(case)
suite.addTests(tests)
runner = self.getRunner()
# creating a nested suite exposes some potential bugs
realSuite = unittest.TestSuite()
realSuite.addTest(suite)
# adding empty suites to the end exposes potential bugs
suite.addTest(unittest.TestSuite())
realSuite.addTest(unittest.TestSuite())
return runner.run(realSuite)
def test_setup_class(self):
class Test(unittest.TestCase):
setUpCalled = 0
@classmethod
def setUpClass(cls):
Test.setUpCalled += 1
unittest.TestCase.setUpClass()
def test_one(self):
pass
def test_two(self):
pass
result = self.runTests(Test)
self.assertEqual(Test.setUpCalled, 1)
self.assertEqual(result.testsRun, 2)
self.assertEqual(len(result.errors), 0)
def test_teardown_class(self):
class Test(unittest.TestCase):
tearDownCalled = 0
@classmethod
def tearDownClass(cls):
Test.tearDownCalled += 1
unittest.TestCase.tearDownClass()
def test_one(self):
pass
def test_two(self):
pass
result = self.runTests(Test)
self.assertEqual(Test.tearDownCalled, 1)
self.assertEqual(result.testsRun, 2)
self.assertEqual(len(result.errors), 0)
def test_teardown_class_two_classes(self):
class Test(unittest.TestCase):
tearDownCalled = 0
@classmethod
def tearDownClass(cls):
Test.tearDownCalled += 1
unittest.TestCase.tearDownClass()
def test_one(self):
pass
def test_two(self):
pass
class Test2(unittest.TestCase):
tearDownCalled = 0
@classmethod
def tearDownClass(cls):
Test2.tearDownCalled += 1
unittest.TestCase.tearDownClass()
def test_one(self):
pass
def test_two(self):
pass
result = self.runTests(Test, Test2)
self.assertEqual(Test.tearDownCalled, 1)
self.assertEqual(Test2.tearDownCalled, 1)
self.assertEqual(result.testsRun, 4)
self.assertEqual(len(result.errors), 0)
def test_error_in_setupclass(self):
class BrokenTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
raise TypeError('foo')
def test_one(self):
pass
def test_two(self):
pass
result = self.runTests(BrokenTest)
self.assertEqual(result.testsRun, 0)
self.assertEqual(len(result.errors), 1)
error, _ = result.errors[0]
self.assertEqual(str(error),
'setUpClass (%s.BrokenTest)' % __name__)
def test_error_in_teardown_class(self):
class Test(unittest.TestCase):
tornDown = 0
@classmethod
def tearDownClass(cls):
Test.tornDown += 1
raise TypeError('foo')
def test_one(self):
pass
def test_two(self):
pass
class Test2(unittest.TestCase):
tornDown = 0
@classmethod
def tearDownClass(cls):
Test2.tornDown += 1
raise TypeError('foo')
def test_one(self):
pass
def test_two(self):
pass
result = self.runTests(Test, Test2)
self.assertEqual(result.testsRun, 4)
self.assertEqual(len(result.errors), 2)
self.assertEqual(Test.tornDown, 1)
self.assertEqual(Test2.tornDown, 1)
error, _ = result.errors[0]
self.assertEqual(str(error),
'tearDownClass (%s.Test)' % __name__)
def test_class_not_torndown_when_setup_fails(self):
class Test(unittest.TestCase):
tornDown = False
@classmethod
def setUpClass(cls):
raise TypeError
@classmethod
def tearDownClass(cls):
Test.tornDown = True
raise TypeError('foo')
def test_one(self):
pass
self.runTests(Test)
self.assertFalse(Test.tornDown)
def test_class_not_setup_or_torndown_when_skipped(self):
class Test(unittest.TestCase):
classSetUp = False
tornDown = False
@classmethod
def setUpClass(cls):
Test.classSetUp = True
@classmethod
def tearDownClass(cls):
Test.tornDown = True
def test_one(self):
pass
Test = unittest.skip("hop")(Test)
self.runTests(Test)
self.assertFalse(Test.classSetUp)
self.assertFalse(Test.tornDown)
def test_setup_teardown_order_with_pathological_suite(self):
results = []
class Module1(object):
@staticmethod
def setUpModule():
results.append('Module1.setUpModule')
@staticmethod
def tearDownModule():
results.append('Module1.tearDownModule')
class Module2(object):
@staticmethod
def setUpModule():
results.append('Module2.setUpModule')
@staticmethod
def tearDownModule():
results.append('Module2.tearDownModule')
class Test1(unittest.TestCase):
@classmethod
def setUpClass(cls):
results.append('setup 1')
@classmethod
def tearDownClass(cls):
results.append('teardown 1')
def testOne(self):
results.append('Test1.testOne')
def testTwo(self):
results.append('Test1.testTwo')
class Test2(unittest.TestCase):
@classmethod
def setUpClass(cls):
results.append('setup 2')
@classmethod
def tearDownClass(cls):
results.append('teardown 2')
def testOne(self):
results.append('Test2.testOne')
def testTwo(self):
results.append('Test2.testTwo')
class Test3(unittest.TestCase):
@classmethod
def setUpClass(cls):
results.append('setup 3')
@classmethod
def tearDownClass(cls):
results.append('teardown 3')
def testOne(self):
results.append('Test3.testOne')
def testTwo(self):
results.append('Test3.testTwo')
Test1.__module__ = Test2.__module__ = 'Module'
Test3.__module__ = 'Module2'
sys.modules['Module'] = Module1
sys.modules['Module2'] = Module2
first = unittest.TestSuite((Test1('testOne'),))
second = unittest.TestSuite((Test1('testTwo'),))
third = unittest.TestSuite((Test2('testOne'),))
fourth = unittest.TestSuite((Test2('testTwo'),))
fifth = unittest.TestSuite((Test3('testOne'),))
sixth = unittest.TestSuite((Test3('testTwo'),))
suite = unittest.TestSuite((first, second, third, fourth, fifth, sixth))
runner = self.getRunner()
result = runner.run(suite)
self.assertEqual(result.testsRun, 6)
self.assertEqual(len(result.errors), 0)
self.assertEqual(results,
['Module1.setUpModule', 'setup 1',
'Test1.testOne', 'Test1.testTwo', 'teardown 1',
'setup 2', 'Test2.testOne', 'Test2.testTwo',
'teardown 2', 'Module1.tearDownModule',
'Module2.setUpModule', 'setup 3',
'Test3.testOne', 'Test3.testTwo',
'teardown 3', 'Module2.tearDownModule'])
def test_setup_module(self):
class Module(object):
moduleSetup = 0
@staticmethod
def setUpModule():
Module.moduleSetup += 1
class Test(unittest.TestCase):
def test_one(self):
pass
def test_two(self):
pass
Test.__module__ = 'Module'
sys.modules['Module'] = Module
result = self.runTests(Test)
self.assertEqual(Module.moduleSetup, 1)
self.assertEqual(result.testsRun, 2)
self.assertEqual(len(result.errors), 0)
def test_error_in_setup_module(self):
class Module(object):
moduleSetup = 0
moduleTornDown = 0
@staticmethod
def setUpModule():
Module.moduleSetup += 1
raise TypeError('foo')
@staticmethod
def tearDownModule():
Module.moduleTornDown += 1
class Test(unittest.TestCase):
classSetUp = False
classTornDown = False
@classmethod
def setUpClass(cls):
Test.classSetUp = True
@classmethod
def tearDownClass(cls):
Test.classTornDown = True
def test_one(self):
pass
def test_two(self):
pass
class Test2(unittest.TestCase):
def test_one(self):
pass
def test_two(self):
pass
Test.__module__ = 'Module'
Test2.__module__ = 'Module'
sys.modules['Module'] = Module
result = self.runTests(Test, Test2)
self.assertEqual(Module.moduleSetup, 1)
self.assertEqual(Module.moduleTornDown, 0)
self.assertEqual(result.testsRun, 0)
self.assertFalse(Test.classSetUp)
self.assertFalse(Test.classTornDown)
self.assertEqual(len(result.errors), 1)
error, _ = result.errors[0]
self.assertEqual(str(error), 'setUpModule (Module)')
def test_testcase_with_missing_module(self):
class Test(unittest.TestCase):
def test_one(self):
pass
def test_two(self):
pass
Test.__module__ = 'Module'
sys.modules.pop('Module', None)
result = self.runTests(Test)
self.assertEqual(result.testsRun, 2)
def test_teardown_module(self):
class Module(object):
moduleTornDown = 0
@staticmethod
def tearDownModule():
Module.moduleTornDown += 1
class Test(unittest.TestCase):
def test_one(self):
pass
def test_two(self):
pass
Test.__module__ = 'Module'
sys.modules['Module'] = Module
result = self.runTests(Test)
self.assertEqual(Module.moduleTornDown, 1)
self.assertEqual(result.testsRun, 2)
self.assertEqual(len(result.errors), 0)
def test_error_in_teardown_module(self):
class Module(object):
moduleTornDown = 0
@staticmethod
def tearDownModule():
Module.moduleTornDown += 1
raise TypeError('foo')
class Test(unittest.TestCase):
classSetUp = False
classTornDown = False
@classmethod
def setUpClass(cls):
Test.classSetUp = True
@classmethod
def tearDownClass(cls):
Test.classTornDown = True
def test_one(self):
pass
def test_two(self):
pass
class Test2(unittest.TestCase):
def test_one(self):
pass
def test_two(self):
pass
Test.__module__ = 'Module'
Test2.__module__ = 'Module'
sys.modules['Module'] = Module
result = self.runTests(Test, Test2)
self.assertEqual(Module.moduleTornDown, 1)
self.assertEqual(result.testsRun, 4)
self.assertTrue(Test.classSetUp)
self.assertTrue(Test.classTornDown)
self.assertEqual(len(result.errors), 1)
error, _ = result.errors[0]
self.assertEqual(str(error), 'tearDownModule (Module)')
def test_skiptest_in_setupclass(self):
class Test(unittest.TestCase):
@classmethod
def setUpClass(cls):
raise unittest.SkipTest('foo')
def test_one(self):
pass
def test_two(self):
pass
result = self.runTests(Test)
self.assertEqual(result.testsRun, 0)
self.assertEqual(len(result.errors), 0)
self.assertEqual(len(result.skipped), 1)
skipped = result.skipped[0][0]
self.assertEqual(str(skipped), 'setUpClass (%s.Test)' % __name__)
def test_skiptest_in_setupmodule(self):
class Test(unittest.TestCase):
def test_one(self):
pass
def test_two(self):
pass
class Module(object):
@staticmethod
def setUpModule():
raise unittest.SkipTest('foo')
Test.__module__ = 'Module'
sys.modules['Module'] = Module
result = self.runTests(Test)
self.assertEqual(result.testsRun, 0)
self.assertEqual(len(result.errors), 0)
self.assertEqual(len(result.skipped), 1)
skipped = result.skipped[0][0]
self.assertEqual(str(skipped), 'setUpModule (Module)')
def test_suite_debug_executes_setups_and_teardowns(self):
ordering = []
class Module(object):
@staticmethod
def setUpModule():
ordering.append('setUpModule')
@staticmethod
def tearDownModule():
ordering.append('tearDownModule')
class Test(unittest.TestCase):
@classmethod
def setUpClass(cls):
ordering.append('setUpClass')
@classmethod
def tearDownClass(cls):
ordering.append('tearDownClass')
def test_something(self):
ordering.append('test_something')
Test.__module__ = 'Module'
sys.modules['Module'] = Module
suite = unittest.defaultTestLoader.loadTestsFromTestCase(Test)
suite.debug()
expectedOrder = ['setUpModule', 'setUpClass', 'test_something', 'tearDownClass', 'tearDownModule']
self.assertEqual(ordering, expectedOrder)
def test_suite_debug_propagates_exceptions(self):
class Module(object):
@staticmethod
def setUpModule():
if phase == 0:
raise Exception('setUpModule')
@staticmethod
def tearDownModule():
if phase == 1:
raise Exception('tearDownModule')
class Test(unittest.TestCase):
@classmethod
def setUpClass(cls):
if phase == 2:
raise Exception('setUpClass')
@classmethod
def tearDownClass(cls):
if phase == 3:
raise Exception('tearDownClass')
def test_something(self):
if phase == 4:
raise Exception('test_something')
Test.__module__ = 'Module'
sys.modules['Module'] = Module
_suite = unittest.defaultTestLoader.loadTestsFromTestCase(Test)
suite = unittest.TestSuite()
suite.addTest(_suite)
messages = ('setUpModule', 'tearDownModule', 'setUpClass', 'tearDownClass', 'test_something')
for phase, msg in enumerate(messages):
with self.assertRaisesRegexp(Exception, msg):
suite.debug()
if __name__ == '__main__':
unittest.main()

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import unittest
from .support import LoggingResult
class Test_TestSkipping(unittest.TestCase):
def test_skipping(self):
class Foo(unittest.TestCase):
def test_skip_me(self):
self.skipTest("skip")
events = []
result = LoggingResult(events)
test = Foo("test_skip_me")
test.run(result)
self.assertEqual(events, ['startTest', 'addSkip', 'stopTest'])
self.assertEqual(result.skipped, [(test, "skip")])
# Try letting setUp skip the test now.
class Foo(unittest.TestCase):
def setUp(self):
self.skipTest("testing")
def test_nothing(self): pass
events = []
result = LoggingResult(events)
test = Foo("test_nothing")
test.run(result)
self.assertEqual(events, ['startTest', 'addSkip', 'stopTest'])
self.assertEqual(result.skipped, [(test, "testing")])
self.assertEqual(result.testsRun, 1)
def test_skipping_decorators(self):
op_table = ((unittest.skipUnless, False, True),
(unittest.skipIf, True, False))
for deco, do_skip, dont_skip in op_table:
class Foo(unittest.TestCase):
@deco(do_skip, "testing")
def test_skip(self): pass
@deco(dont_skip, "testing")
def test_dont_skip(self): pass
test_do_skip = Foo("test_skip")
test_dont_skip = Foo("test_dont_skip")
suite = unittest.TestSuite([test_do_skip, test_dont_skip])
events = []
result = LoggingResult(events)
suite.run(result)
self.assertEqual(len(result.skipped), 1)
expected = ['startTest', 'addSkip', 'stopTest',
'startTest', 'addSuccess', 'stopTest']
self.assertEqual(events, expected)
self.assertEqual(result.testsRun, 2)
self.assertEqual(result.skipped, [(test_do_skip, "testing")])
self.assertTrue(result.wasSuccessful())
def test_skip_class(self):
@unittest.skip("testing")
class Foo(unittest.TestCase):
def test_1(self):
record.append(1)
record = []
result = unittest.TestResult()
test = Foo("test_1")
suite = unittest.TestSuite([test])
suite.run(result)
self.assertEqual(result.skipped, [(test, "testing")])
self.assertEqual(record, [])
def test_expected_failure(self):
class Foo(unittest.TestCase):
@unittest.expectedFailure
def test_die(self):
self.fail("help me!")
events = []
result = LoggingResult(events)
test = Foo("test_die")
test.run(result)
self.assertEqual(events,
['startTest', 'addExpectedFailure', 'stopTest'])
self.assertEqual(result.expectedFailures[0][0], test)
self.assertTrue(result.wasSuccessful())
def test_unexpected_success(self):
class Foo(unittest.TestCase):
@unittest.expectedFailure
def test_die(self):
pass
events = []
result = LoggingResult(events)
test = Foo("test_die")
test.run(result)
self.assertEqual(events,
['startTest', 'addUnexpectedSuccess', 'stopTest'])
self.assertFalse(result.failures)
self.assertEqual(result.unexpectedSuccesses, [test])
self.assertTrue(result.wasSuccessful())
def test_skip_doesnt_run_setup(self):
class Foo(unittest.TestCase):
wasSetUp = False
wasTornDown = False
def setUp(self):
Foo.wasSetUp = True
def tornDown(self):
Foo.wasTornDown = True
@unittest.skip('testing')
def test_1(self):
pass
result = unittest.TestResult()
test = Foo("test_1")
suite = unittest.TestSuite([test])
suite.run(result)
self.assertEqual(result.skipped, [(test, "testing")])
self.assertFalse(Foo.wasSetUp)
self.assertFalse(Foo.wasTornDown)
def test_decorated_skip(self):
def decorator(func):
def inner(*a):
return func(*a)
return inner
class Foo(unittest.TestCase):
@decorator
@unittest.skip('testing')
def test_1(self):
pass
result = unittest.TestResult()
test = Foo("test_1")
suite = unittest.TestSuite([test])
suite.run(result)
self.assertEqual(result.skipped, [(test, "testing")])
if __name__ == '__main__':
unittest.main()

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import unittest
import sys
from .support import LoggingResult, TestEquality
### Support code for Test_TestSuite
################################################################
class Test(object):
class Foo(unittest.TestCase):
def test_1(self): pass
def test_2(self): pass
def test_3(self): pass
def runTest(self): pass
def _mk_TestSuite(*names):
return unittest.TestSuite(Test.Foo(n) for n in names)
################################################################
class Test_TestSuite(unittest.TestCase, TestEquality):
### Set up attributes needed by inherited tests
################################################################
# Used by TestEquality.test_eq
eq_pairs = [(unittest.TestSuite(), unittest.TestSuite()),
(unittest.TestSuite(), unittest.TestSuite([])),
(_mk_TestSuite('test_1'), _mk_TestSuite('test_1'))]
# Used by TestEquality.test_ne
ne_pairs = [(unittest.TestSuite(), _mk_TestSuite('test_1')),
(unittest.TestSuite([]), _mk_TestSuite('test_1')),
(_mk_TestSuite('test_1', 'test_2'), _mk_TestSuite('test_1', 'test_3')),
(_mk_TestSuite('test_1'), _mk_TestSuite('test_2'))]
################################################################
### /Set up attributes needed by inherited tests
### Tests for TestSuite.__init__
################################################################
# "class TestSuite([tests])"
#
# The tests iterable should be optional
def test_init__tests_optional(self):
suite = unittest.TestSuite()
self.assertEqual(suite.countTestCases(), 0)
# "class TestSuite([tests])"
# ...
# "If tests is given, it must be an iterable of individual test cases
# or other test suites that will be used to build the suite initially"
#
# TestSuite should deal with empty tests iterables by allowing the
# creation of an empty suite
def test_init__empty_tests(self):
suite = unittest.TestSuite([])
self.assertEqual(suite.countTestCases(), 0)
# "class TestSuite([tests])"
# ...
# "If tests is given, it must be an iterable of individual test cases
# or other test suites that will be used to build the suite initially"
#
# TestSuite should allow any iterable to provide tests
def test_init__tests_from_any_iterable(self):
def tests():
yield unittest.FunctionTestCase(lambda: None)
yield unittest.FunctionTestCase(lambda: None)
suite_1 = unittest.TestSuite(tests())
self.assertEqual(suite_1.countTestCases(), 2)
suite_2 = unittest.TestSuite(suite_1)
self.assertEqual(suite_2.countTestCases(), 2)
suite_3 = unittest.TestSuite(set(suite_1))
self.assertEqual(suite_3.countTestCases(), 2)
# "class TestSuite([tests])"
# ...
# "If tests is given, it must be an iterable of individual test cases
# or other test suites that will be used to build the suite initially"
#
# Does TestSuite() also allow other TestSuite() instances to be present
# in the tests iterable?
def test_init__TestSuite_instances_in_tests(self):
def tests():
ftc = unittest.FunctionTestCase(lambda: None)
yield unittest.TestSuite([ftc])
yield unittest.FunctionTestCase(lambda: None)
suite = unittest.TestSuite(tests())
self.assertEqual(suite.countTestCases(), 2)
################################################################
### /Tests for TestSuite.__init__
# Container types should support the iter protocol
def test_iter(self):
test1 = unittest.FunctionTestCase(lambda: None)
test2 = unittest.FunctionTestCase(lambda: None)
suite = unittest.TestSuite((test1, test2))
self.assertEqual(list(suite), [test1, test2])
# "Return the number of tests represented by the this test object.
# ...this method is also implemented by the TestSuite class, which can
# return larger [greater than 1] values"
#
# Presumably an empty TestSuite returns 0?
def test_countTestCases_zero_simple(self):
suite = unittest.TestSuite()
self.assertEqual(suite.countTestCases(), 0)
# "Return the number of tests represented by the this test object.
# ...this method is also implemented by the TestSuite class, which can
# return larger [greater than 1] values"
#
# Presumably an empty TestSuite (even if it contains other empty
# TestSuite instances) returns 0?
def test_countTestCases_zero_nested(self):
class Test1(unittest.TestCase):
def test(self):
pass
suite = unittest.TestSuite([unittest.TestSuite()])
self.assertEqual(suite.countTestCases(), 0)
# "Return the number of tests represented by the this test object.
# ...this method is also implemented by the TestSuite class, which can
# return larger [greater than 1] values"
def test_countTestCases_simple(self):
test1 = unittest.FunctionTestCase(lambda: None)
test2 = unittest.FunctionTestCase(lambda: None)
suite = unittest.TestSuite((test1, test2))
self.assertEqual(suite.countTestCases(), 2)
# "Return the number of tests represented by the this test object.
# ...this method is also implemented by the TestSuite class, which can
# return larger [greater than 1] values"
#
# Make sure this holds for nested TestSuite instances, too
def test_countTestCases_nested(self):
class Test1(unittest.TestCase):
def test1(self): pass
def test2(self): pass
test2 = unittest.FunctionTestCase(lambda: None)
test3 = unittest.FunctionTestCase(lambda: None)
child = unittest.TestSuite((Test1('test2'), test2))
parent = unittest.TestSuite((test3, child, Test1('test1')))
self.assertEqual(parent.countTestCases(), 4)
# "Run the tests associated with this suite, collecting the result into
# the test result object passed as result."
#
# And if there are no tests? What then?
def test_run__empty_suite(self):
events = []
result = LoggingResult(events)
suite = unittest.TestSuite()
suite.run(result)
self.assertEqual(events, [])
# "Note that unlike TestCase.run(), TestSuite.run() requires the
# "result object to be passed in."
def test_run__requires_result(self):
suite = unittest.TestSuite()
try:
suite.run()
except TypeError:
pass
else:
self.fail("Failed to raise TypeError")
# "Run the tests associated with this suite, collecting the result into
# the test result object passed as result."
def test_run(self):
events = []
result = LoggingResult(events)
class LoggingCase(unittest.TestCase):
def run(self, result):
events.append('run %s' % self._testMethodName)
def test1(self): pass
def test2(self): pass
tests = [LoggingCase('test1'), LoggingCase('test2')]
unittest.TestSuite(tests).run(result)
self.assertEqual(events, ['run test1', 'run test2'])
# "Add a TestCase ... to the suite"
def test_addTest__TestCase(self):
class Foo(unittest.TestCase):
def test(self): pass
test = Foo('test')
suite = unittest.TestSuite()
suite.addTest(test)
self.assertEqual(suite.countTestCases(), 1)
self.assertEqual(list(suite), [test])
# "Add a ... TestSuite to the suite"
def test_addTest__TestSuite(self):
class Foo(unittest.TestCase):
def test(self): pass
suite_2 = unittest.TestSuite([Foo('test')])
suite = unittest.TestSuite()
suite.addTest(suite_2)
self.assertEqual(suite.countTestCases(), 1)
self.assertEqual(list(suite), [suite_2])
# "Add all the tests from an iterable of TestCase and TestSuite
# instances to this test suite."
#
# "This is equivalent to iterating over tests, calling addTest() for
# each element"
def test_addTests(self):
class Foo(unittest.TestCase):
def test_1(self): pass
def test_2(self): pass
test_1 = Foo('test_1')
test_2 = Foo('test_2')
inner_suite = unittest.TestSuite([test_2])
def gen():
yield test_1
yield test_2
yield inner_suite
suite_1 = unittest.TestSuite()
suite_1.addTests(gen())
self.assertEqual(list(suite_1), list(gen()))
# "This is equivalent to iterating over tests, calling addTest() for
# each element"
suite_2 = unittest.TestSuite()
for t in gen():
suite_2.addTest(t)
self.assertEqual(suite_1, suite_2)
# "Add all the tests from an iterable of TestCase and TestSuite
# instances to this test suite."
#
# What happens if it doesn't get an iterable?
def test_addTest__noniterable(self):
suite = unittest.TestSuite()
try:
suite.addTests(5)
except TypeError:
pass
else:
self.fail("Failed to raise TypeError")
def test_addTest__noncallable(self):
suite = unittest.TestSuite()
self.assertRaises(TypeError, suite.addTest, 5)
def test_addTest__casesuiteclass(self):
suite = unittest.TestSuite()
self.assertRaises(TypeError, suite.addTest, Test_TestSuite)
self.assertRaises(TypeError, suite.addTest, unittest.TestSuite)
def test_addTests__string(self):
suite = unittest.TestSuite()
self.assertRaises(TypeError, suite.addTests, "foo")
def test_function_in_suite(self):
def f(_):
pass
suite = unittest.TestSuite()
suite.addTest(f)
# when the bug is fixed this line will not crash
suite.run(unittest.TestResult())
def test_basetestsuite(self):
class Test(unittest.TestCase):
wasSetUp = False
wasTornDown = False
@classmethod
def setUpClass(cls):
cls.wasSetUp = True
@classmethod
def tearDownClass(cls):
cls.wasTornDown = True
def testPass(self):
pass
def testFail(self):
fail
class Module(object):
wasSetUp = False
wasTornDown = False
@staticmethod
def setUpModule():
Module.wasSetUp = True
@staticmethod
def tearDownModule():
Module.wasTornDown = True
Test.__module__ = 'Module'
sys.modules['Module'] = Module
self.addCleanup(sys.modules.pop, 'Module')
suite = unittest.BaseTestSuite()
suite.addTests([Test('testPass'), Test('testFail')])
self.assertEqual(suite.countTestCases(), 2)
result = unittest.TestResult()
suite.run(result)
self.assertFalse(Module.wasSetUp)
self.assertFalse(Module.wasTornDown)
self.assertFalse(Test.wasSetUp)
self.assertFalse(Test.wasTornDown)
self.assertEqual(len(result.errors), 1)
self.assertEqual(len(result.failures), 0)
self.assertEqual(result.testsRun, 2)
def test_overriding_call(self):
class MySuite(unittest.TestSuite):
called = False
def __call__(self, *args, **kw):
self.called = True
unittest.TestSuite.__call__(self, *args, **kw)
suite = MySuite()
result = unittest.TestResult()
wrapper = unittest.TestSuite()
wrapper.addTest(suite)
wrapper(result)
self.assertTrue(suite.called)
# reusing results should be permitted even if abominable
self.assertFalse(result._testRunEntered)
if __name__ == '__main__':
unittest.main()

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@ -0,0 +1,156 @@
"""Various utility functions."""
from collections import namedtuple, OrderedDict
__unittest = True
_MAX_LENGTH = 80
def safe_repr(obj, short=False):
try:
result = repr(obj)
except Exception:
result = object.__repr__(obj)
if not short or len(result) < _MAX_LENGTH:
return result
return result[:_MAX_LENGTH] + ' [truncated]...'
def strclass(cls):
return "%s.%s" % (cls.__module__, cls.__name__)
def sorted_list_difference(expected, actual):
"""Finds elements in only one or the other of two, sorted input lists.
Returns a two-element tuple of lists. The first list contains those
elements in the "expected" list but not in the "actual" list, and the
second contains those elements in the "actual" list but not in the
"expected" list. Duplicate elements in either input list are ignored.
"""
i = j = 0
missing = []
unexpected = []
while True:
try:
e = expected[i]
a = actual[j]
if e < a:
missing.append(e)
i += 1
while expected[i] == e:
i += 1
elif e > a:
unexpected.append(a)
j += 1
while actual[j] == a:
j += 1
else:
i += 1
try:
while expected[i] == e:
i += 1
finally:
j += 1
while actual[j] == a:
j += 1
except IndexError:
missing.extend(expected[i:])
unexpected.extend(actual[j:])
break
return missing, unexpected
def unorderable_list_difference(expected, actual, ignore_duplicate=False):
"""Same behavior as sorted_list_difference but
for lists of unorderable items (like dicts).
As it does a linear search per item (remove) it
has O(n*n) performance.
"""
missing = []
unexpected = []
while expected:
item = expected.pop()
try:
actual.remove(item)
except ValueError:
missing.append(item)
if ignore_duplicate:
for lst in expected, actual:
try:
while True:
lst.remove(item)
except ValueError:
pass
if ignore_duplicate:
while actual:
item = actual.pop()
unexpected.append(item)
try:
while True:
actual.remove(item)
except ValueError:
pass
return missing, unexpected
# anything left in actual is unexpected
return missing, actual
_Mismatch = namedtuple('Mismatch', 'actual expected value')
def _count_diff_all_purpose(actual, expected):
'Returns list of (cnt_act, cnt_exp, elem) triples where the counts differ'
# elements need not be hashable
s, t = list(actual), list(expected)
m, n = len(s), len(t)
NULL = object()
result = []
for i, elem in enumerate(s):
if elem is NULL:
continue
cnt_s = cnt_t = 0
for j in range(i, m):
if s[j] == elem:
cnt_s += 1
s[j] = NULL
for j, other_elem in enumerate(t):
if other_elem == elem:
cnt_t += 1
t[j] = NULL
if cnt_s != cnt_t:
diff = _Mismatch(cnt_s, cnt_t, elem)
result.append(diff)
for i, elem in enumerate(t):
if elem is NULL:
continue
cnt_t = 0
for j in range(i, n):
if t[j] == elem:
cnt_t += 1
t[j] = NULL
diff = _Mismatch(0, cnt_t, elem)
result.append(diff)
return result
def _ordered_count(iterable):
'Return dict of element counts, in the order they were first seen'
c = OrderedDict()
for elem in iterable:
c[elem] = c.get(elem, 0) + 1
return c
def _count_diff_hashable(actual, expected):
'Returns list of (cnt_act, cnt_exp, elem) triples where the counts differ'
# elements must be hashable
s, t = _ordered_count(actual), _ordered_count(expected)
result = []
for elem, cnt_s in s.items():
cnt_t = t.get(elem, 0)
if cnt_s != cnt_t:
diff = _Mismatch(cnt_s, cnt_t, elem)
result.append(diff)
for elem, cnt_t in t.items():
if elem not in s:
diff = _Mismatch(0, cnt_t, elem)
result.append(diff)
return result