7e16c79cd4
Import PEP 362, function signatures, functionality from Python 3.3's inspect module. Modifications have been made to make the code compatible with Python 2.6 and 2.7, as well as 3.2+.
76 lines
2.4 KiB
Python
76 lines
2.4 KiB
Python
try:
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# python 2.x
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import unittest2 as unittest
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except ImportError:
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# python 3.x
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import unittest
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import doctest
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import funcsigs as inspect
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class TestFunctionSignatures(unittest.TestCase):
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@staticmethod
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def signature(func):
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sig = inspect.signature(func)
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return (tuple((param.name,
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(Ellipsis if param.default is param.empty else param.default),
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(Ellipsis if param.annotation is param.empty
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else param.annotation),
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str(param.kind).lower())
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for param in sig.parameters.values()),
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(Ellipsis if sig.return_annotation is sig.empty
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else sig.return_annotation))
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def test_zero_arguments(self):
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def test():
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pass
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self.assertEqual(self.signature(test),
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((), Ellipsis))
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def test_single_positional_argument(self):
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def test(a):
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pass
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self.assertEqual(self.signature(test),
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(((('a', Ellipsis, Ellipsis, "positional_or_keyword")),), Ellipsis))
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def test_single_keyword_argument(self):
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def test(a=None):
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pass
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self.assertEqual(self.signature(test),
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(((('a', None, Ellipsis, "positional_or_keyword")),), Ellipsis))
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def test_var_args(self):
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def test(*args):
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pass
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self.assertEqual(self.signature(test),
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(((('args', Ellipsis, Ellipsis, "var_positional")),), Ellipsis))
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def test_keywords_args(self):
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def test(**kwargs):
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pass
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self.assertEqual(self.signature(test),
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(((('kwargs', Ellipsis, Ellipsis, "var_keyword")),), Ellipsis))
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def test_multiple_arguments(self):
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def test(a, b=None, *args, **kwargs):
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pass
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self.assertEqual(self.signature(test), ((
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('a', Ellipsis, Ellipsis, "positional_or_keyword"),
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('b', None, Ellipsis, "positional_or_keyword"),
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('args', Ellipsis, Ellipsis, "var_positional"),
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('kwargs', Ellipsis, Ellipsis, "var_keyword"),
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), Ellipsis))
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def test_has_version(self):
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self.assertTrue(inspect.__version__)
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def test_readme(self):
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doctest.testfile('../README.rst')
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if __name__ == "__main__":
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unittest.begin()
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