Python mock.a方法代码示例

# 需要导入模块: from unittest import mock [as 别名]
# 或者: from unittest.mock import a [as 别名]
def test_dir(self):
        mock = Mock()
        attrs = set(dir(mock))
        type_attrs = set([m for m in dir(Mock) if not m.startswith('_')])

        # all public attributes from the type are included
        self.assertEqual(set(), type_attrs - attrs)

        # creates these attributes
        mock.a, mock.b
        self.assertIn('a', dir(mock))
        self.assertIn('b', dir(mock))

        # instance attributes
        mock.c = mock.d = None
        self.assertIn('c', dir(mock))
        self.assertIn('d', dir(mock))

        # magic methods
        mock.__iter__ = lambda s: iter([])
        self.assertIn('__iter__', dir(mock)) 

# 需要导入模块: from unittest import mock [as 别名]
# 或者: from unittest.mock import a [as 别名]
def test_side_effect_iterator(self):
        mock = Mock(side_effect=iter([1, 2, 3]))
        self.assertEqual([mock(), mock(), mock()], [1, 2, 3])
        self.assertRaises(StopIteration, mock)

        mock = MagicMock(side_effect=['a', 'b', 'c'])
        self.assertEqual([mock(), mock(), mock()], ['a', 'b', 'c'])
        self.assertRaises(StopIteration, mock)

        mock = Mock(side_effect='ghi')
        self.assertEqual([mock(), mock(), mock()], ['g', 'h', 'i'])
        self.assertRaises(StopIteration, mock)

        class Foo(object):
            pass
        mock = MagicMock(side_effect=Foo)
        self.assertIsInstance(mock(), Foo)

        mock = Mock(side_effect=Iter())
        self.assertEqual([mock(), mock(), mock(), mock()],
                         ['this', 'is', 'an', 'iter'])
        self.assertRaises(StopIteration, mock) 

# 需要导入模块: from unittest import mock [as 别名]
# 或者: from unittest.mock import a [as 别名]
def test_assert_any_call(self):
        mock = Mock()
        mock(1, 2)
        mock(a=3)
        mock(1, b=6)

        mock.assert_any_call(1, 2)
        mock.assert_any_call(a=3)
        mock.assert_any_call(1, b=6)

        self.assertRaises(
            AssertionError,
            mock.assert_any_call
        )
        self.assertRaises(
            AssertionError,
            mock.assert_any_call,
            1, 3
        )
        self.assertRaises(
            AssertionError,
            mock.assert_any_call,
            a=4
        ) 

# 需要导入模块: from unittest import mock [as 别名]
# 或者: from unittest.mock import a [as 别名]
def test_mock_calls_create_autospec(self):
        def f(a, b):
            pass
        obj = Iter()
        obj.f = f

        funcs = [
            create_autospec(f),
            create_autospec(obj).f
        ]
        for func in funcs:
            func(1, 2)
            func(3, 4)

            self.assertEqual(
                func.mock_calls, [call(1, 2), call(3, 4)]
            ) 

# 需要导入模块: from unittest import mock [as 别名]
# 或者: from unittest.mock import a [as 别名]
def test_call_args_comparison(self):
        mock = Mock()
        mock()
        mock(sentinel.Arg)
        mock(kw=sentinel.Kwarg)
        mock(sentinel.Arg, kw=sentinel.Kwarg)
        self.assertEqual(mock.call_args_list, [
            (),
            ((sentinel.Arg,),),
            ({"kw": sentinel.Kwarg},),
            ((sentinel.Arg,), {"kw": sentinel.Kwarg})
        ])
        self.assertEqual(mock.call_args,
                         ((sentinel.Arg,), {"kw": sentinel.Kwarg}))

        # Comparing call_args to a long sequence should not raise
        # an exception. See issue 24857.
        self.assertFalse(mock.call_args == "a long sequence") 

# 需要导入模块: from unittest import mock [as 别名]
# 或者: from unittest.mock import a [as 别名]
def test_assert_called_once_with_function_spec(self):
        def f(a, b, c, d=None):
            pass

        mock = Mock(spec=f)

        mock(1, b=2, c=3)
        mock.assert_called_once_with(1, 2, 3)
        mock.assert_called_once_with(a=1, b=2, c=3)
        self.assertRaises(AssertionError, mock.assert_called_once_with,
                          1, b=3, c=2)
        # Expected call doesn't match the spec's signature
        with self.assertRaises(AssertionError) as cm:
            mock.assert_called_once_with(e=8)
        self.assertIsInstance(cm.exception.__cause__, TypeError)
        # Mock called more than once => always fails
        mock(4, 5, 6)
        self.assertRaises(AssertionError, mock.assert_called_once_with,
                          1, 2, 3)
        self.assertRaises(AssertionError, mock.assert_called_once_with,
                          4, 5, 6) 

# 需要导入模块: from unittest import mock [as 别名]
# 或者: from unittest.mock import a [as 别名]
def test_side_effect_setting_iterator(self):
        mock = Mock()
        mock.side_effect = iter([1, 2, 3])
        self.assertEqual([mock(), mock(), mock()], [1, 2, 3])
        self.assertRaises(StopIteration, mock)
        side_effect = mock.side_effect
        self.assertIsInstance(side_effect, type(iter([])))

        mock.side_effect = ['a', 'b', 'c']
        self.assertEqual([mock(), mock(), mock()], ['a', 'b', 'c'])
        self.assertRaises(StopIteration, mock)
        side_effect = mock.side_effect
        self.assertIsInstance(side_effect, type(iter([])))

        this_iter = Iter()
        mock.side_effect = this_iter
        self.assertEqual([mock(), mock(), mock(), mock()],
                         ['this', 'is', 'an', 'iter'])
        self.assertRaises(StopIteration, mock)
        self.assertIs(mock.side_effect, this_iter) 

# 需要导入模块: from unittest import mock [as 别名]
# 或者: from unittest.mock import a [as 别名]
def test_assert_any_call_with_function_spec(self):
        def f(a, b, c, d=None):
            pass

        mock = Mock(spec=f)

        mock(1, b=2, c=3)
        mock(4, 5, c=6, d=7)
        mock.assert_any_call(1, 2, 3)
        mock.assert_any_call(a=1, b=2, c=3)
        mock.assert_any_call(4, 5, 6, 7)
        mock.assert_any_call(a=4, b=5, c=6, d=7)
        self.assertRaises(AssertionError, mock.assert_any_call,
                          1, b=3, c=2)
        # Expected call doesn't match the spec's signature
        with self.assertRaises(AssertionError) as cm:
            mock.assert_any_call(e=8)
        self.assertIsInstance(cm.exception.__cause__, TypeError) 

# 需要导入模块: from unittest import mock [as 别名]
# 或者: from unittest.mock import a [as 别名]
def test_mock_calls_create_autospec(self):
        def f(a, b):
            pass
        obj = Iter()
        obj.f = f

        funcs = [
            create_autospec(f),
            create_autospec(obj).f
        ]
        for func in funcs:
            func(1, 2)
            func(3, 4)

            self.assertEqual(
                func.mock_calls, [call(1, 2), call(3, 4)]
            )

    #Issue21222 

# 需要导入模块: from unittest import mock [as 别名]
# 或者: from unittest.mock import a [as 别名]
def test_all(self):
        # if __all__ is badly defined then import * will raise an error
        # We have to exec it because you can't import * inside a method
        # in Python 3
        exec("from unittest.mock import *") 

# 需要导入模块: from unittest import mock [as 别名]
# 或者: from unittest.mock import a [as 别名]
def test_constructor(self):
        mock = Mock()

        self.assertFalse(mock.called, "called not initialised correctly")
        self.assertEqual(mock.call_count, 0,
                         "call_count not initialised correctly")
        self.assertTrue(is_instance(mock.return_value, Mock),
                        "return_value not initialised correctly")

        self.assertEqual(mock.call_args, None,
                         "call_args not initialised correctly")
        self.assertEqual(mock.call_args_list, [],
                         "call_args_list not initialised correctly")
        self.assertEqual(mock.method_calls, [],
                          "method_calls not initialised correctly")

        # Can't use hasattr for this test as it always returns True on a mock
        self.assertFalse('_items' in mock.__dict__,
                         "default mock should not have '_items' attribute")

        self.assertIsNone(mock._mock_parent,
                          "parent not initialised correctly")
        self.assertIsNone(mock._mock_methods,
                          "methods not initialised correctly")
        self.assertEqual(mock._mock_children, {},
                         "children not initialised incorrectly") 

# 需要导入模块: from unittest import mock [as 别名]
# 或者: from unittest.mock import a [as 别名]
def test_call(self):
        mock = Mock()
        self.assertTrue(is_instance(mock.return_value, Mock),
                        "Default return_value should be a Mock")

        result = mock()
        self.assertEqual(mock(), result,
                         "different result from consecutive calls")
        mock.reset_mock()

        ret_val = mock(sentinel.Arg)
        self.assertTrue(mock.called, "called not set")
        self.assertEqual(mock.call_count, 1, "call_count incoreect")
        self.assertEqual(mock.call_args, ((sentinel.Arg,), {}),
                         "call_args not set")
        self.assertEqual(mock.call_args_list, [((sentinel.Arg,), {})],
                         "call_args_list not initialised correctly")

        mock.return_value = sentinel.ReturnValue
        ret_val = mock(sentinel.Arg, key=sentinel.KeyArg)
        self.assertEqual(ret_val, sentinel.ReturnValue,
                         "incorrect return value")

        self.assertEqual(mock.call_count, 2, "call_count incorrect")
        self.assertEqual(mock.call_args,
                         ((sentinel.Arg,), {'key': sentinel.KeyArg}),
                         "call_args not set")
        self.assertEqual(mock.call_args_list, [
            ((sentinel.Arg,), {}),
            ((sentinel.Arg,), {'key': sentinel.KeyArg})
        ],
            "call_args_list not set") 

# 需要导入模块: from unittest import mock [as 别名]
# 或者: from unittest.mock import a [as 别名]
def test_assert_called_with(self):
        mock = Mock()
        mock()

        # Will raise an exception if it fails
        mock.assert_called_with()
        self.assertRaises(AssertionError, mock.assert_called_with, 1)

        mock.reset_mock()
        self.assertRaises(AssertionError, mock.assert_called_with)

        mock(1, 2, 3, a='fish', b='nothing')
        mock.assert_called_with(1, 2, 3, a='fish', b='nothing') 

# 需要导入模块: from unittest import mock [as 别名]
# 或者: from unittest.mock import a [as 别名]
def test_attribute_access_returns_mocks(self):
        mock = Mock()
        something = mock.something
        self.assertTrue(is_instance(something, Mock), "attribute isn't a mock")
        self.assertEqual(mock.something, something,
                         "different attributes returned for same name")

        # Usage example
        mock = Mock()
        mock.something.return_value = 3

        self.assertEqual(mock.something(), 3, "method returned wrong value")
        self.assertTrue(mock.something.called,
                        "method didn't record being called") 

# 需要导入模块: from unittest import mock [as 别名]
# 或者: from unittest.mock import a [as 别名]
def test_dir_from_spec(self):
        mock = Mock(spec=unittest.TestCase)
        testcase_attrs = set(dir(unittest.TestCase))
        attrs = set(dir(mock))

        # all attributes from the spec are included
        self.assertEqual(set(), testcase_attrs - attrs)

        # shadow a sys attribute
        mock.version = 3
        self.assertEqual(dir(mock).count('version'), 1)