176 lines
3.8 KiB
Python
176 lines
3.8 KiB
Python
from __future__ import print_function
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import unittest
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import gc
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import wrapt
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class TestWeakFunctionProxy(unittest.TestCase):
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def test_isinstance(self):
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def function(a, b):
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return a, b
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proxy = wrapt.WeakFunctionProxy(function)
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self.assertTrue(isinstance(proxy, type(function)))
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def test_no_callback(self):
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def function(a, b):
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return a, b
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proxy = wrapt.WeakFunctionProxy(function)
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self.assertEqual(proxy(1, 2), (1, 2))
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function = None
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gc.collect()
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def test_call_expired(self):
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def function(a, b):
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return a, b
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proxy = wrapt.WeakFunctionProxy(function)
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self.assertEqual(proxy(1, 2), (1, 2))
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function = None
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gc.collect()
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def run(*args):
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proxy()
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self.assertRaises(ReferenceError, run, ())
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def test_function(self):
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def function(a, b):
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return a, b
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result = []
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def callback(proxy):
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result.append(id(proxy))
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proxy = wrapt.WeakFunctionProxy(function, callback)
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self.assertEqual(proxy(1, 2), (1, 2))
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function = None
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gc.collect()
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self.assertEqual(len(result), 1)
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self.assertEqual(id(proxy), result[0])
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def test_instancemethod_delete_instance(self):
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class Class(object):
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def function(self, a, b):
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return a, b
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result = []
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def callback(proxy):
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result.append(id(proxy))
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c = Class()
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proxy = wrapt.WeakFunctionProxy(c.function, callback)
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self.assertEqual(proxy(1, 2), (1, 2))
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c = None
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gc.collect()
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self.assertEqual(len(result), 1)
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self.assertEqual(id(proxy), result[0])
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def test_instancemethod_delete_function(self):
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class Class(object):
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def function(self, a, b):
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return a, b
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result = []
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def callback(proxy):
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result.append(id(proxy))
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c = Class()
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proxy = wrapt.WeakFunctionProxy(c.function, callback)
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self.assertEqual(proxy(1, 2), (1, 2))
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del Class.function
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gc.collect()
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self.assertEqual(len(result), 1)
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self.assertEqual(id(proxy), result[0])
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def test_instancemethod_delete_function_and_instance(self):
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class Class(object):
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def function(self, a, b):
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return a, b
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result = []
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def callback(proxy):
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result.append(id(proxy))
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c = Class()
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proxy = wrapt.WeakFunctionProxy(c.function, callback)
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self.assertEqual(proxy(1, 2), (1, 2))
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c = None
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del Class.function
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gc.collect()
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self.assertEqual(len(result), 1)
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self.assertEqual(id(proxy), result[0])
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def test_classmethod(self):
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class Class(object):
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@classmethod
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def function(cls, a, b):
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self.assertEqual(cls, Class)
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return a, b
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result = []
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def callback(proxy):
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result.append(id(proxy))
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proxy = wrapt.WeakFunctionProxy(Class.function, callback)
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self.assertEqual(proxy(1, 2), (1, 2))
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Class = None
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gc.collect()
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self.assertEqual(len(result), 1)
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self.assertEqual(id(proxy), result[0])
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def test_staticmethod(self):
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class Class(object):
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@staticmethod
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def function(a, b):
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return a, b
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result = []
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def callback(proxy):
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result.append(id(proxy))
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proxy = wrapt.WeakFunctionProxy(Class.function, callback)
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self.assertEqual(proxy(1, 2), (1, 2))
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Class = None
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gc.collect()
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self.assertEqual(len(result), 1)
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self.assertEqual(id(proxy), result[0])
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if __name__ == '__main__':
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unittest.main()
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