python/mock-1.0.0/tests/testcallable.py

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 # Copyright (C) 2007-2012 Michael Foord & the mock team
michael@0 2 # E-mail: fuzzyman AT voidspace DOT org DOT uk
michael@0 3 # http://www.voidspace.org.uk/python/mock/
michael@0 4
michael@0 5 from tests.support import is_instance, unittest2, X, SomeClass
michael@0 6
michael@0 7 from mock import (
michael@0 8 Mock, MagicMock, NonCallableMagicMock,
michael@0 9 NonCallableMock, patch, create_autospec,
michael@0 10 CallableMixin
michael@0 11 )
michael@0 12
michael@0 13
michael@0 14
michael@0 15 class TestCallable(unittest2.TestCase):
michael@0 16
michael@0 17 def assertNotCallable(self, mock):
michael@0 18 self.assertTrue(is_instance(mock, NonCallableMagicMock))
michael@0 19 self.assertFalse(is_instance(mock, CallableMixin))
michael@0 20
michael@0 21
michael@0 22 def test_non_callable(self):
michael@0 23 for mock in NonCallableMagicMock(), NonCallableMock():
michael@0 24 self.assertRaises(TypeError, mock)
michael@0 25 self.assertFalse(hasattr(mock, '__call__'))
michael@0 26 self.assertIn(mock.__class__.__name__, repr(mock))
michael@0 27
michael@0 28
michael@0 29 def test_heirarchy(self):
michael@0 30 self.assertTrue(issubclass(MagicMock, Mock))
michael@0 31 self.assertTrue(issubclass(NonCallableMagicMock, NonCallableMock))
michael@0 32
michael@0 33
michael@0 34 def test_attributes(self):
michael@0 35 one = NonCallableMock()
michael@0 36 self.assertTrue(issubclass(type(one.one), Mock))
michael@0 37
michael@0 38 two = NonCallableMagicMock()
michael@0 39 self.assertTrue(issubclass(type(two.two), MagicMock))
michael@0 40
michael@0 41
michael@0 42 def test_subclasses(self):
michael@0 43 class MockSub(Mock):
michael@0 44 pass
michael@0 45
michael@0 46 one = MockSub()
michael@0 47 self.assertTrue(issubclass(type(one.one), MockSub))
michael@0 48
michael@0 49 class MagicSub(MagicMock):
michael@0 50 pass
michael@0 51
michael@0 52 two = MagicSub()
michael@0 53 self.assertTrue(issubclass(type(two.two), MagicSub))
michael@0 54
michael@0 55
michael@0 56 def test_patch_spec(self):
michael@0 57 patcher = patch('%s.X' % __name__, spec=True)
michael@0 58 mock = patcher.start()
michael@0 59 self.addCleanup(patcher.stop)
michael@0 60
michael@0 61 instance = mock()
michael@0 62 mock.assert_called_once_with()
michael@0 63
michael@0 64 self.assertNotCallable(instance)
michael@0 65 self.assertRaises(TypeError, instance)
michael@0 66
michael@0 67
michael@0 68 def test_patch_spec_set(self):
michael@0 69 patcher = patch('%s.X' % __name__, spec_set=True)
michael@0 70 mock = patcher.start()
michael@0 71 self.addCleanup(patcher.stop)
michael@0 72
michael@0 73 instance = mock()
michael@0 74 mock.assert_called_once_with()
michael@0 75
michael@0 76 self.assertNotCallable(instance)
michael@0 77 self.assertRaises(TypeError, instance)
michael@0 78
michael@0 79
michael@0 80 def test_patch_spec_instance(self):
michael@0 81 patcher = patch('%s.X' % __name__, spec=X())
michael@0 82 mock = patcher.start()
michael@0 83 self.addCleanup(patcher.stop)
michael@0 84
michael@0 85 self.assertNotCallable(mock)
michael@0 86 self.assertRaises(TypeError, mock)
michael@0 87
michael@0 88
michael@0 89 def test_patch_spec_set_instance(self):
michael@0 90 patcher = patch('%s.X' % __name__, spec_set=X())
michael@0 91 mock = patcher.start()
michael@0 92 self.addCleanup(patcher.stop)
michael@0 93
michael@0 94 self.assertNotCallable(mock)
michael@0 95 self.assertRaises(TypeError, mock)
michael@0 96
michael@0 97
michael@0 98 def test_patch_spec_callable_class(self):
michael@0 99 class CallableX(X):
michael@0 100 def __call__(self):
michael@0 101 pass
michael@0 102
michael@0 103 class Sub(CallableX):
michael@0 104 pass
michael@0 105
michael@0 106 class Multi(SomeClass, Sub):
michael@0 107 pass
michael@0 108
michael@0 109 class OldStyle:
michael@0 110 def __call__(self):
michael@0 111 pass
michael@0 112
michael@0 113 class OldStyleSub(OldStyle):
michael@0 114 pass
michael@0 115
michael@0 116 for arg in 'spec', 'spec_set':
michael@0 117 for Klass in CallableX, Sub, Multi, OldStyle, OldStyleSub:
michael@0 118 patcher = patch('%s.X' % __name__, **{arg: Klass})
michael@0 119 mock = patcher.start()
michael@0 120
michael@0 121 try:
michael@0 122 instance = mock()
michael@0 123 mock.assert_called_once_with()
michael@0 124
michael@0 125 self.assertTrue(is_instance(instance, MagicMock))
michael@0 126 # inherited spec
michael@0 127 self.assertRaises(AttributeError, getattr, instance,
michael@0 128 'foobarbaz')
michael@0 129
michael@0 130 result = instance()
michael@0 131 # instance is callable, result has no spec
michael@0 132 instance.assert_called_once_with()
michael@0 133
michael@0 134 result(3, 2, 1)
michael@0 135 result.assert_called_once_with(3, 2, 1)
michael@0 136 result.foo(3, 2, 1)
michael@0 137 result.foo.assert_called_once_with(3, 2, 1)
michael@0 138 finally:
michael@0 139 patcher.stop()
michael@0 140
michael@0 141
michael@0 142 def test_create_autopsec(self):
michael@0 143 mock = create_autospec(X)
michael@0 144 instance = mock()
michael@0 145 self.assertRaises(TypeError, instance)
michael@0 146
michael@0 147 mock = create_autospec(X())
michael@0 148 self.assertRaises(TypeError, mock)
michael@0 149
michael@0 150
michael@0 151 def test_create_autospec_instance(self):
michael@0 152 mock = create_autospec(SomeClass, instance=True)
michael@0 153
michael@0 154 self.assertRaises(TypeError, mock)
michael@0 155 mock.wibble()
michael@0 156 mock.wibble.assert_called_once_with()
michael@0 157
michael@0 158 self.assertRaises(TypeError, mock.wibble, 'some', 'args')

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