168 lines
5.0 KiB
Python
168 lines
5.0 KiB
Python
from __future__ import print_function
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import wrapt
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import unittest
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import inspect
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from .decorators import passthru_generic_decorator
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class Class(object):
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@staticmethod
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def function(self, arg):
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'''documentation'''
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return arg
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Original = Class
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class Class(object):
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@passthru_generic_decorator
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@staticmethod
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def function(self, arg):
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'''documentation'''
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return arg
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class TestNamingInnerStaticMethod(unittest.TestCase):
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def test_class_object_name(self):
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# Test preservation of instance method __name__ attribute.
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self.assertEqual(Class.function.__name__,
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Original.function.__name__)
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def test_instance_object_name(self):
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# Test preservation of instance method __name__ attribute.
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self.assertEqual(Class().function.__name__,
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Original().function.__name__)
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def test_class_module_name(self):
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# Test preservation of instance method __module__ attribute.
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self.assertEqual(Class.function.__module__,
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Original.function.__module__)
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def test_class_object_qualname(self):
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# Test preservation of instance method __qualname__ attribute.
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try:
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__qualname__ = Original.original.__qualname__
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except AttributeError:
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pass
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else:
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self.assertEqual(Class.function.__qualname__, __qualname__)
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def test_instance_object_qualname(self):
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# Test preservation of instance method __qualname__ attribute.
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try:
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__qualname__ = Original().original.__qualname__
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except AttributeError:
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pass
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else:
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self.assertEqual(Class().function.__qualname__, __qualname__)
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def test_instance_module_name(self):
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# Test preservation of instance method __module__ attribute.
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self.assertEqual(Class().function.__module__,
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Original().function.__module__)
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def test_class_doc_string(self):
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# Test preservation of instance method __doc__ attribute.
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self.assertEqual(Class.function.__doc__,
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Original.function.__doc__)
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def test_instance_doc_string(self):
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# Test preservation of instance method __doc__ attribute.
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self.assertEqual(Class().function.__doc__,
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Original().function.__doc__)
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def test_class_argspec(self):
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# Test preservation of instance method argument specification.
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original_argspec = inspect.getargspec(Original.function)
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function_argspec = inspect.getargspec(Class.function)
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self.assertEqual(original_argspec, function_argspec)
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def test_instance_argspec(self):
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# Test preservation of instance method argument specification.
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original_argspec = inspect.getargspec(Original().function)
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function_argspec = inspect.getargspec(Class().function)
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self.assertEqual(original_argspec, function_argspec)
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def test_class_isinstance(self):
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# Test preservation of isinstance() checks.
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self.assertTrue(isinstance(Class.function,
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type(Original.function)))
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def test_instance_isinstance(self):
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# Test preservation of isinstance() checks.
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self.assertTrue(isinstance(Class().function,
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type(Original().function)))
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class TestCallingInnerStaticMethod(unittest.TestCase):
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def test_class_call_function(self):
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# Test calling staticmethod.
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_args = (1, 2)
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_kwargs = { 'one': 1, 'two': 2 }
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@wrapt.generic_decorator
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def _decorator(wrapped, obj, cls, args, kwargs):
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self.assertEqual(obj, None)
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self.assertNotEqual(cls, None)
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self.assertEqual(args, _args)
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self.assertEqual(kwargs, _kwargs)
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return wrapped(*args, **kwargs)
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@_decorator
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def _function(*args, **kwargs):
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return args, kwargs
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class Class(object):
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@_decorator
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@staticmethod
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def _function(*args, **kwargs):
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return (args, kwargs)
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result = Class._function(*_args, **_kwargs)
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self.assertEqual(result, (_args, _kwargs))
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def test_instance_call_function(self):
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# Test calling staticmethod via class instance. The instance
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# passed to the wrapper will not be None because our decorator
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# surrounds the staticmethod decorator.
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_args = (1, 2)
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_kwargs = { 'one': 1, 'two': 2 }
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@wrapt.generic_decorator
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def _decorator(wrapped, obj, cls, args, kwargs):
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self.assertNotEqual(obj, None)
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self.assertNotEqual(cls, None)
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self.assertEqual(args, _args)
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self.assertEqual(kwargs, _kwargs)
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return wrapped(*args, **kwargs)
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@_decorator
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def _function(*args, **kwargs):
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return args, kwargs
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class Class(object):
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@_decorator
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@staticmethod
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def _function(*args, **kwargs):
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return (args, kwargs)
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result = Class()._function(*_args, **_kwargs)
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self.assertEqual(result, (_args, _kwargs))
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