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
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darylm503
200
AppPkg/Applications/Python/Python-2.7.2/Lib/test/test_pty.py
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AppPkg/Applications/Python/Python-2.7.2/Lib/test/test_pty.py
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from test.test_support import verbose, run_unittest, import_module
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#Skip these tests if either fcntl or termios is not available
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fcntl = import_module('fcntl')
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import_module('termios')
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import errno
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import pty
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import os
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import sys
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import signal
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import unittest
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TEST_STRING_1 = "I wish to buy a fish license.\n"
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TEST_STRING_2 = "For my pet fish, Eric.\n"
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if verbose:
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def debug(msg):
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print msg
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else:
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def debug(msg):
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pass
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def normalize_output(data):
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# Some operating systems do conversions on newline. We could possibly
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# fix that by doing the appropriate termios.tcsetattr()s. I couldn't
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# figure out the right combo on Tru64 and I don't have an IRIX box.
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# So just normalize the output and doc the problem O/Ses by allowing
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# certain combinations for some platforms, but avoid allowing other
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# differences (like extra whitespace, trailing garbage, etc.)
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# This is about the best we can do without getting some feedback
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# from someone more knowledgable.
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# OSF/1 (Tru64) apparently turns \n into \r\r\n.
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if data.endswith('\r\r\n'):
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return data.replace('\r\r\n', '\n')
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# IRIX apparently turns \n into \r\n.
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if data.endswith('\r\n'):
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return data.replace('\r\n', '\n')
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return data
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# Marginal testing of pty suite. Cannot do extensive 'do or fail' testing
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# because pty code is not too portable.
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# XXX(nnorwitz): these tests leak fds when there is an error.
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class PtyTest(unittest.TestCase):
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def setUp(self):
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# isatty() and close() can hang on some platforms. Set an alarm
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# before running the test to make sure we don't hang forever.
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self.old_alarm = signal.signal(signal.SIGALRM, self.handle_sig)
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signal.alarm(10)
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def tearDown(self):
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# remove alarm, restore old alarm handler
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signal.alarm(0)
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signal.signal(signal.SIGALRM, self.old_alarm)
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def handle_sig(self, sig, frame):
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self.fail("isatty hung")
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def test_basic(self):
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try:
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debug("Calling master_open()")
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master_fd, slave_name = pty.master_open()
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debug("Got master_fd '%d', slave_name '%s'" %
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(master_fd, slave_name))
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debug("Calling slave_open(%r)" % (slave_name,))
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slave_fd = pty.slave_open(slave_name)
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debug("Got slave_fd '%d'" % slave_fd)
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except OSError:
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# " An optional feature could not be imported " ... ?
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raise unittest.SkipTest, "Pseudo-terminals (seemingly) not functional."
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self.assertTrue(os.isatty(slave_fd), 'slave_fd is not a tty')
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# Solaris requires reading the fd before anything is returned.
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# My guess is that since we open and close the slave fd
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# in master_open(), we need to read the EOF.
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# Ensure the fd is non-blocking in case there's nothing to read.
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orig_flags = fcntl.fcntl(master_fd, fcntl.F_GETFL)
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fcntl.fcntl(master_fd, fcntl.F_SETFL, orig_flags | os.O_NONBLOCK)
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try:
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s1 = os.read(master_fd, 1024)
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self.assertEqual('', s1)
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except OSError, e:
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if e.errno != errno.EAGAIN:
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raise
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# Restore the original flags.
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fcntl.fcntl(master_fd, fcntl.F_SETFL, orig_flags)
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debug("Writing to slave_fd")
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os.write(slave_fd, TEST_STRING_1)
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s1 = os.read(master_fd, 1024)
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self.assertEqual('I wish to buy a fish license.\n',
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normalize_output(s1))
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debug("Writing chunked output")
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os.write(slave_fd, TEST_STRING_2[:5])
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os.write(slave_fd, TEST_STRING_2[5:])
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s2 = os.read(master_fd, 1024)
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self.assertEqual('For my pet fish, Eric.\n', normalize_output(s2))
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os.close(slave_fd)
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os.close(master_fd)
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def test_fork(self):
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debug("calling pty.fork()")
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pid, master_fd = pty.fork()
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if pid == pty.CHILD:
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# stdout should be connected to a tty.
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if not os.isatty(1):
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debug("Child's fd 1 is not a tty?!")
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os._exit(3)
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# After pty.fork(), the child should already be a session leader.
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# (on those systems that have that concept.)
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debug("In child, calling os.setsid()")
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try:
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os.setsid()
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except OSError:
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# Good, we already were session leader
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debug("Good: OSError was raised.")
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pass
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except AttributeError:
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# Have pty, but not setsid()?
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debug("No setsid() available?")
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pass
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except:
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# We don't want this error to propagate, escaping the call to
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# os._exit() and causing very peculiar behavior in the calling
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# regrtest.py !
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# Note: could add traceback printing here.
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debug("An unexpected error was raised.")
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os._exit(1)
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else:
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debug("os.setsid() succeeded! (bad!)")
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os._exit(2)
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os._exit(4)
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else:
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debug("Waiting for child (%d) to finish." % pid)
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# In verbose mode, we have to consume the debug output from the
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# child or the child will block, causing this test to hang in the
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# parent's waitpid() call. The child blocks after a
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# platform-dependent amount of data is written to its fd. On
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# Linux 2.6, it's 4000 bytes and the child won't block, but on OS
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# X even the small writes in the child above will block it. Also
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# on Linux, the read() will throw an OSError (input/output error)
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# when it tries to read past the end of the buffer but the child's
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# already exited, so catch and discard those exceptions. It's not
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# worth checking for EIO.
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while True:
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try:
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data = os.read(master_fd, 80)
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except OSError:
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break
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if not data:
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break
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sys.stdout.write(data.replace('\r\n', '\n'))
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##line = os.read(master_fd, 80)
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##lines = line.replace('\r\n', '\n').split('\n')
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##if False and lines != ['In child, calling os.setsid()',
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## 'Good: OSError was raised.', '']:
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## raise TestFailed("Unexpected output from child: %r" % line)
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(pid, status) = os.waitpid(pid, 0)
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res = status >> 8
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debug("Child (%d) exited with status %d (%d)." % (pid, res, status))
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if res == 1:
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self.fail("Child raised an unexpected exception in os.setsid()")
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elif res == 2:
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self.fail("pty.fork() failed to make child a session leader.")
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elif res == 3:
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self.fail("Child spawned by pty.fork() did not have a tty as stdout")
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elif res != 4:
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self.fail("pty.fork() failed for unknown reasons.")
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##debug("Reading from master_fd now that the child has exited")
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##try:
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## s1 = os.read(master_fd, 1024)
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##except os.error:
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## pass
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##else:
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## raise TestFailed("Read from master_fd did not raise exception")
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os.close(master_fd)
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# pty.fork() passed.
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def test_main(verbose=None):
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run_unittest(PtyTest)
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if __name__ == "__main__":
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test_main()
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