4710c53dca
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
288 lines
8.5 KiB
Python
288 lines
8.5 KiB
Python
# A test suite for pdb; at the moment, this only validates skipping of
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# specified test modules (RFE #5142).
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import imp
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import sys
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from test import test_support
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# This little helper class is essential for testing pdb under doctest.
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from test_doctest import _FakeInput
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class PdbTestInput(object):
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"""Context manager that makes testing Pdb in doctests easier."""
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def __init__(self, input):
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self.input = input
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def __enter__(self):
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self.real_stdin = sys.stdin
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sys.stdin = _FakeInput(self.input)
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def __exit__(self, *exc):
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sys.stdin = self.real_stdin
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def write(x):
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print x
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def test_pdb_displayhook():
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"""This tests the custom displayhook for pdb.
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>>> def test_function(foo, bar):
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... import pdb; pdb.Pdb().set_trace()
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... pass
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>>> with PdbTestInput([
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... 'foo',
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... 'bar',
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... 'for i in range(5): write(i)',
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... 'continue',
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... ]):
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... test_function(1, None)
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> <doctest test.test_pdb.test_pdb_displayhook[0]>(3)test_function()
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-> pass
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(Pdb) foo
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1
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(Pdb) bar
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(Pdb) for i in range(5): write(i)
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0
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1
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2
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3
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4
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(Pdb) continue
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"""
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def test_pdb_breakpoint_commands():
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"""Test basic commands related to breakpoints.
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>>> def test_function():
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... import pdb; pdb.Pdb().set_trace()
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... print(1)
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... print(2)
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... print(3)
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... print(4)
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First, need to clear bdb state that might be left over from previous tests.
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Otherwise, the new breakpoints might get assigned different numbers.
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>>> from bdb import Breakpoint
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>>> Breakpoint.next = 1
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>>> Breakpoint.bplist = {}
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>>> Breakpoint.bpbynumber = [None]
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Now test the breakpoint commands. NORMALIZE_WHITESPACE is needed because
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the breakpoint list outputs a tab for the "stop only" and "ignore next"
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lines, which we don't want to put in here.
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>>> with PdbTestInput([ # doctest: +NORMALIZE_WHITESPACE
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... 'break 3',
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... 'disable 1',
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... 'ignore 1 10',
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... 'condition 1 1 < 2',
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... 'break 4',
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... 'break 4',
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... 'break',
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... 'clear 3',
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... 'break',
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... 'condition 1',
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... 'enable 1',
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... 'clear 1',
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... 'commands 2',
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... 'print 42',
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... 'end',
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... 'continue', # will stop at breakpoint 2 (line 4)
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... 'clear', # clear all!
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... 'y',
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... 'tbreak 5',
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... 'continue', # will stop at temporary breakpoint
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... 'break', # make sure breakpoint is gone
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... 'continue',
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... ]):
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... test_function()
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> <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>(3)test_function()
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-> print(1)
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(Pdb) break 3
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Breakpoint 1 at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:3
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(Pdb) disable 1
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(Pdb) ignore 1 10
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Will ignore next 10 crossings of breakpoint 1.
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(Pdb) condition 1 1 < 2
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(Pdb) break 4
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Breakpoint 2 at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:4
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(Pdb) break 4
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Breakpoint 3 at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:4
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(Pdb) break
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Num Type Disp Enb Where
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1 breakpoint keep no at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:3
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stop only if 1 < 2
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ignore next 10 hits
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2 breakpoint keep yes at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:4
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3 breakpoint keep yes at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:4
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(Pdb) clear 3
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Deleted breakpoint 3
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(Pdb) break
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Num Type Disp Enb Where
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1 breakpoint keep no at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:3
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stop only if 1 < 2
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ignore next 10 hits
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2 breakpoint keep yes at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:4
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(Pdb) condition 1
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Breakpoint 1 is now unconditional.
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(Pdb) enable 1
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(Pdb) clear 1
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Deleted breakpoint 1
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(Pdb) commands 2
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(com) print 42
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(com) end
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(Pdb) continue
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1
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42
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> <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>(4)test_function()
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-> print(2)
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(Pdb) clear
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Clear all breaks? y
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(Pdb) tbreak 5
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Breakpoint 4 at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:5
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(Pdb) continue
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2
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Deleted breakpoint 4
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> <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>(5)test_function()
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-> print(3)
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(Pdb) break
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(Pdb) continue
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3
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4
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"""
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def test_pdb_skip_modules():
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"""This illustrates the simple case of module skipping.
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>>> def skip_module():
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... import string
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... import pdb; pdb.Pdb(skip=['string*']).set_trace()
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... string.lower('FOO')
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>>> with PdbTestInput([
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... 'step',
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... 'continue',
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... ]):
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... skip_module()
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> <doctest test.test_pdb.test_pdb_skip_modules[0]>(4)skip_module()
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-> string.lower('FOO')
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(Pdb) step
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--Return--
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> <doctest test.test_pdb.test_pdb_skip_modules[0]>(4)skip_module()->None
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-> string.lower('FOO')
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(Pdb) continue
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"""
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# Module for testing skipping of module that makes a callback
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mod = imp.new_module('module_to_skip')
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exec 'def foo_pony(callback): x = 1; callback(); return None' in mod.__dict__
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def test_pdb_skip_modules_with_callback():
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"""This illustrates skipping of modules that call into other code.
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>>> def skip_module():
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... def callback():
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... return None
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... import pdb; pdb.Pdb(skip=['module_to_skip*']).set_trace()
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... mod.foo_pony(callback)
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>>> with PdbTestInput([
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... 'step',
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... 'step',
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... 'step',
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... 'step',
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... 'step',
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... 'continue',
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... ]):
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... skip_module()
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... pass # provides something to "step" to
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> <doctest test.test_pdb.test_pdb_skip_modules_with_callback[0]>(5)skip_module()
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-> mod.foo_pony(callback)
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(Pdb) step
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--Call--
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> <doctest test.test_pdb.test_pdb_skip_modules_with_callback[0]>(2)callback()
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-> def callback():
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(Pdb) step
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> <doctest test.test_pdb.test_pdb_skip_modules_with_callback[0]>(3)callback()
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-> return None
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(Pdb) step
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--Return--
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> <doctest test.test_pdb.test_pdb_skip_modules_with_callback[0]>(3)callback()->None
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-> return None
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(Pdb) step
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--Return--
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> <doctest test.test_pdb.test_pdb_skip_modules_with_callback[0]>(5)skip_module()->None
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-> mod.foo_pony(callback)
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(Pdb) step
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> <doctest test.test_pdb.test_pdb_skip_modules_with_callback[1]>(10)<module>()
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-> pass # provides something to "step" to
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(Pdb) continue
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"""
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def test_pdb_continue_in_bottomframe():
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"""Test that "continue" and "next" work properly in bottom frame (issue #5294).
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>>> def test_function():
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... import pdb, sys; inst = pdb.Pdb()
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... inst.set_trace()
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... inst.botframe = sys._getframe() # hackery to get the right botframe
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... print(1)
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... print(2)
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... print(3)
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... print(4)
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First, need to clear bdb state that might be left over from previous tests.
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Otherwise, the new breakpoints might get assigned different numbers.
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>>> from bdb import Breakpoint
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>>> Breakpoint.next = 1
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>>> Breakpoint.bplist = {}
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>>> Breakpoint.bpbynumber = [None]
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>>> with PdbTestInput([
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... 'next',
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... 'break 7',
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... 'continue',
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... 'next',
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... 'continue',
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... 'continue',
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... ]):
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... test_function()
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> <doctest test.test_pdb.test_pdb_continue_in_bottomframe[0]>(4)test_function()
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-> inst.botframe = sys._getframe() # hackery to get the right botframe
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(Pdb) next
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> <doctest test.test_pdb.test_pdb_continue_in_bottomframe[0]>(5)test_function()
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-> print(1)
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(Pdb) break 7
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Breakpoint 1 at <doctest test.test_pdb.test_pdb_continue_in_bottomframe[0]>:7
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(Pdb) continue
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1
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2
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> <doctest test.test_pdb.test_pdb_continue_in_bottomframe[0]>(7)test_function()
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-> print(3)
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(Pdb) next
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3
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> <doctest test.test_pdb.test_pdb_continue_in_bottomframe[0]>(8)test_function()
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-> print(4)
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(Pdb) continue
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4
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"""
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def test_main():
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from test import test_pdb
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test_support.run_doctest(test_pdb, verbosity=True)
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if __name__ == '__main__':
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test_main()
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