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30 lines
943 B
30 lines
943 B
3 years ago
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"""Basic test of the frozen module (source is in Python/frozen.c)."""
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# The Python/frozen.c source code contains a marshalled Python module
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# and therefore depends on the marshal format as well as the bytecode
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# format. If those formats have been changed then frozen.c needs to be
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# updated.
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#
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# The test_importlib also tests this module but because those tests
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# are much more complicated, it might be unclear why they are failing.
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# Invalid marshalled data in frozen.c could case the interpreter to
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# crash when __hello__ is imported.
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import sys
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import unittest
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from test.support import captured_stdout
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class TestFrozen(unittest.TestCase):
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def test_frozen(self):
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name = '__hello__'
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if name in sys.modules:
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del sys.modules[name]
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with captured_stdout() as out:
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import __hello__
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self.assertEqual(out.getvalue(), 'Hello world!\n')
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if __name__ == '__main__':
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unittest.main()
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