100 lines
2.8 KiB
Python
100 lines
2.8 KiB
Python
from __future__ import print_function
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import unittest
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import inspect
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import imp
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import wrapt
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from wrapt import six
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DECORATORS_CODE = """
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import wrapt
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def prototype(arg1, arg2, arg3=None, *args, **kwargs): pass
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@wrapt.decorator(adapter=prototype)
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def adapter1(wrapped, instance, args, kwargs):
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'''adapter documentation'''
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return wrapped(*args, **kwargs)
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"""
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decorators = imp.new_module('decorators')
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six.exec_(DECORATORS_CODE, decorators.__dict__, decorators.__dict__)
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def function1(arg1, arg2):
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'''documentation'''
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return arg1, arg2
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function1o = function1
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@decorators.adapter1
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def function1(arg1, arg2):
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'''documentation'''
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return arg1, arg2
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function1d = function1
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class TestAdapterAttributes(unittest.TestCase):
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def test_object_name(self):
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# Test preservation of function __name__ attribute.
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self.assertEqual(function1d.__name__, function1o.__name__)
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def test_object_qualname(self):
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# Test preservation of function __qualname__ attribute.
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try:
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__qualname__ = function1o.__qualname__
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except AttributeError:
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pass
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else:
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self.assertEqual(function1d.__qualname__, __qualname__)
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def test_module_name(self):
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# Test preservation of function __module__ attribute.
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self.assertEqual(function1d.__module__, __name__)
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def test_doc_string(self):
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# Test preservation of function __doc__ attribute. It is
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# still the documentation from the wrapped function, not
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# of the adapter.
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self.assertEqual(function1d.__doc__, 'documentation')
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class TestArgumentSpecification(unittest.TestCase):
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def test_argspec(self):
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# Test preservation of function argument specification. It
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# actually needs to match that of the adapter function the
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# prototype of which was supplied via the dummy function.
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def _adapter(arg1, arg2, arg3=None, *args, **kwargs): pass
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function1a_argspec = inspect.getargspec(_adapter)
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function1d_argspec = inspect.getargspec(function1d)
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self.assertEqual(function1a_argspec, function1d_argspec)
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def test_signature(self):
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# Test preservation of function argument specification. It
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# actually needs to match that of the adapter function the
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# prototype of which was supplied via the dummy function.
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if six.PY2:
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return
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def _adapter(arg1, arg2, arg3=None, *args, **kwargs): pass
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function1a_signature = str(inspect.signature(_adapter))
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function1d_signature = str(inspect.signature(function1d))
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self.assertEqual(function1a_signature, function1d_signature)
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def test_isinstance(self):
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# Test preservation of isinstance() checks.
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self.assertTrue(isinstance(function1d, type(function1o)))
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if __name__ == '__main__':
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unittest.main()
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