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import test.test_support, unittest
import sys
import popen2
class CmdLineTest(unittest.TestCase):
def start_python(self, cmd_line):
outfp, infp = popen2.popen4('%s %s' % (sys.executable, cmd_line))
infp.close()
data = outfp.read()
outfp.close()
return data
def test_directories(self):
# Does this test make sense? The message for "< ." may depend on
# the command shell, and the message for "." depends on the OS.
if sys.platform.startswith("win"):
# On WinXP w/ cmd.exe,
# "< ." gives "Access is denied.\n"
# "." gives "C:\\Code\\python\\PCbuild\\python.exe: " +
# "can't open file '.':" +
# "[Errno 13] Permission denied\n"
lookfor = " denied" # common to both cases
else:
# This is what the test looked for originally, on all platforms.
lookfor = "is a directory"
self.assertTrue(lookfor in self.start_python('.'))
self.assertTrue(lookfor in self.start_python('< .'))
def verify_valid_flag(self, cmd_line):
data = self.start_python(cmd_line)
self.assertTrue(data == '' or data.endswith('\n'))
self.assertTrue('Traceback' not in data)
def test_environment(self):
self.verify_valid_flag('-E')
def test_optimize(self):
self.verify_valid_flag('-O')
self.verify_valid_flag('-OO')
def test_q(self):
self.verify_valid_flag('-Qold')
self.verify_valid_flag('-Qnew')
self.verify_valid_flag('-Qwarn')
self.verify_valid_flag('-Qwarnall')
def test_site_flag(self):
self.verify_valid_flag('-S')
def test_usage(self):
self.assertTrue('usage' in self.start_python('-h'))
def test_version(self):
version = 'Python %d.%d' % sys.version_info[:2]
self.assertTrue(self.start_python('-V').startswith(version))
def test_main():
test.test_support.run_unittest(CmdLineTest)
if __name__ == "__main__":
test_main()
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