forked from mirrors/gecko-dev
158 lines
4.4 KiB
Python
158 lines
4.4 KiB
Python
# Copyright (C) 2007-2012 Michael Foord & the mock team
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# E-mail: fuzzyman AT voidspace DOT org DOT uk
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# http://www.voidspace.org.uk/python/mock/
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from tests.support import is_instance, unittest2, X, SomeClass
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from mock import (
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Mock, MagicMock, NonCallableMagicMock,
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NonCallableMock, patch, create_autospec,
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CallableMixin
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)
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class TestCallable(unittest2.TestCase):
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def assertNotCallable(self, mock):
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self.assertTrue(is_instance(mock, NonCallableMagicMock))
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self.assertFalse(is_instance(mock, CallableMixin))
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def test_non_callable(self):
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for mock in NonCallableMagicMock(), NonCallableMock():
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self.assertRaises(TypeError, mock)
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self.assertFalse(hasattr(mock, '__call__'))
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self.assertIn(mock.__class__.__name__, repr(mock))
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def test_heirarchy(self):
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self.assertTrue(issubclass(MagicMock, Mock))
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self.assertTrue(issubclass(NonCallableMagicMock, NonCallableMock))
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def test_attributes(self):
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one = NonCallableMock()
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self.assertTrue(issubclass(type(one.one), Mock))
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two = NonCallableMagicMock()
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self.assertTrue(issubclass(type(two.two), MagicMock))
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def test_subclasses(self):
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class MockSub(Mock):
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pass
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one = MockSub()
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self.assertTrue(issubclass(type(one.one), MockSub))
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class MagicSub(MagicMock):
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pass
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two = MagicSub()
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self.assertTrue(issubclass(type(two.two), MagicSub))
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def test_patch_spec(self):
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patcher = patch('%s.X' % __name__, spec=True)
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mock = patcher.start()
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self.addCleanup(patcher.stop)
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instance = mock()
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mock.assert_called_once_with()
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self.assertNotCallable(instance)
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self.assertRaises(TypeError, instance)
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def test_patch_spec_set(self):
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patcher = patch('%s.X' % __name__, spec_set=True)
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mock = patcher.start()
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self.addCleanup(patcher.stop)
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instance = mock()
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mock.assert_called_once_with()
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self.assertNotCallable(instance)
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self.assertRaises(TypeError, instance)
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def test_patch_spec_instance(self):
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patcher = patch('%s.X' % __name__, spec=X())
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mock = patcher.start()
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self.addCleanup(patcher.stop)
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self.assertNotCallable(mock)
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self.assertRaises(TypeError, mock)
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def test_patch_spec_set_instance(self):
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patcher = patch('%s.X' % __name__, spec_set=X())
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mock = patcher.start()
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self.addCleanup(patcher.stop)
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self.assertNotCallable(mock)
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self.assertRaises(TypeError, mock)
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def test_patch_spec_callable_class(self):
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class CallableX(X):
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def __call__(self):
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pass
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class Sub(CallableX):
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pass
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class Multi(SomeClass, Sub):
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pass
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class OldStyle:
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def __call__(self):
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pass
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class OldStyleSub(OldStyle):
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pass
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for arg in 'spec', 'spec_set':
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for Klass in CallableX, Sub, Multi, OldStyle, OldStyleSub:
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patcher = patch('%s.X' % __name__, **{arg: Klass})
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mock = patcher.start()
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try:
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instance = mock()
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mock.assert_called_once_with()
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self.assertTrue(is_instance(instance, MagicMock))
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# inherited spec
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self.assertRaises(AttributeError, getattr, instance,
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'foobarbaz')
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result = instance()
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# instance is callable, result has no spec
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instance.assert_called_once_with()
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result(3, 2, 1)
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result.assert_called_once_with(3, 2, 1)
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result.foo(3, 2, 1)
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result.foo.assert_called_once_with(3, 2, 1)
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finally:
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patcher.stop()
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def test_create_autopsec(self):
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mock = create_autospec(X)
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instance = mock()
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self.assertRaises(TypeError, instance)
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mock = create_autospec(X())
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self.assertRaises(TypeError, mock)
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def test_create_autospec_instance(self):
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mock = create_autospec(SomeClass, instance=True)
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self.assertRaises(TypeError, mock)
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mock.wibble()
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mock.wibble.assert_called_once_with()
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self.assertRaises(TypeError, mock.wibble, 'some', 'args')
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