mirror of https://github.com/python/cpython
94 lines
2.9 KiB
Python
94 lines
2.9 KiB
Python
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import test.test_support, unittest
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import sys
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import popen2
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import subprocess
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class CmdLineTest(unittest.TestCase):
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def start_python(self, cmd_line):
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outfp, infp = popen2.popen4('%s %s' % (sys.executable, cmd_line))
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infp.close()
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data = outfp.read()
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outfp.close()
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# try to cleanup the child so we don't appear to leak when running
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# with regrtest -R. This should be a no-op on Windows.
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popen2._cleanup()
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return data
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def exit_code(self, *args):
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cmd_line = [sys.executable]
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cmd_line.extend(args)
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return subprocess.call(cmd_line, stdout=subprocess.PIPE,
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stderr=subprocess.PIPE)
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def test_directories(self):
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self.assertNotEqual(self.exit_code('.'), 0)
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self.assertNotEqual(self.exit_code('< .'), 0)
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def verify_valid_flag(self, cmd_line):
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data = self.start_python(cmd_line)
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self.assertTrue(data == '' or data.endswith('\n'))
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self.assertTrue('Traceback' not in data)
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def test_environment(self):
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self.verify_valid_flag('-E')
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def test_optimize(self):
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self.verify_valid_flag('-O')
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self.verify_valid_flag('-OO')
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def test_q(self):
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self.verify_valid_flag('-Qold')
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self.verify_valid_flag('-Qnew')
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self.verify_valid_flag('-Qwarn')
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self.verify_valid_flag('-Qwarnall')
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def test_site_flag(self):
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self.verify_valid_flag('-S')
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def test_usage(self):
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self.assertTrue('usage' in self.start_python('-h'))
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def test_version(self):
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version = 'Python %d.%d' % sys.version_info[:2]
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self.assertTrue(self.start_python('-V').startswith(version))
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def test_run_module(self):
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# Test expected operation of the '-m' switch
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# Switch needs an argument
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self.assertNotEqual(self.exit_code('-m'), 0)
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# Check we get an error for a nonexistent module
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self.assertNotEqual(
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self.exit_code('-m', 'fnord43520xyz'),
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0)
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# Check the runpy module also gives an error for
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# a nonexistent module
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self.assertNotEqual(
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self.exit_code('-m', 'runpy', 'fnord43520xyz'),
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0)
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# All good if module is located and run successfully
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self.assertEqual(
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self.exit_code('-m', 'timeit', '-n', '1'),
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0)
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def test_run_code(self):
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# Test expected operation of the '-c' switch
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# Switch needs an argument
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self.assertNotEqual(self.exit_code('-c'), 0)
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# Check we get an error for an uncaught exception
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self.assertNotEqual(
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self.exit_code('-c', 'raise Exception'),
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0)
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# All good if execution is successful
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self.assertEqual(
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self.exit_code('-c', 'pass'),
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0)
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def test_main():
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test.test_support.run_unittest(CmdLineTest)
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test.test_support.reap_children()
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if __name__ == "__main__":
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test_main()
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