michael@0: # Copyright (C) 2007-2012 Michael Foord & the mock team
michael@0: # E-mail: fuzzyman AT voidspace DOT org DOT uk
michael@0: # http://www.voidspace.org.uk/python/mock/
michael@0: 
michael@0: from tests.support import unittest2, inPy3k
michael@0: 
michael@0: from mock import (
michael@0:     call, _Call, create_autospec, MagicMock,
michael@0:     Mock, ANY, _CallList, patch, PropertyMock
michael@0: )
michael@0: 
michael@0: from datetime import datetime
michael@0: 
michael@0: class SomeClass(object):
michael@0:     def one(self, a, b):
michael@0:         pass
michael@0:     def two(self):
michael@0:         pass
michael@0:     def three(self, a=None):
michael@0:         pass
michael@0: 
michael@0: 
michael@0: 
michael@0: class AnyTest(unittest2.TestCase):
michael@0: 
michael@0:     def test_any(self):
michael@0:         self.assertEqual(ANY, object())
michael@0: 
michael@0:         mock = Mock()
michael@0:         mock(ANY)
michael@0:         mock.assert_called_with(ANY)
michael@0: 
michael@0:         mock = Mock()
michael@0:         mock(foo=ANY)
michael@0:         mock.assert_called_with(foo=ANY)
michael@0: 
michael@0:     def test_repr(self):
michael@0:         self.assertEqual(repr(ANY), '<ANY>')
michael@0:         self.assertEqual(str(ANY), '<ANY>')
michael@0: 
michael@0: 
michael@0:     def test_any_and_datetime(self):
michael@0:         mock = Mock()
michael@0:         mock(datetime.now(), foo=datetime.now())
michael@0: 
michael@0:         mock.assert_called_with(ANY, foo=ANY)
michael@0: 
michael@0: 
michael@0:     def test_any_mock_calls_comparison_order(self):
michael@0:         mock = Mock()
michael@0:         d = datetime.now()
michael@0:         class Foo(object):
michael@0:             def __eq__(self, other):
michael@0:                 return False
michael@0:             def __ne__(self, other):
michael@0:                 return True
michael@0: 
michael@0:         for d in datetime.now(), Foo():
michael@0:             mock.reset_mock()
michael@0: 
michael@0:             mock(d, foo=d, bar=d)
michael@0:             mock.method(d, zinga=d, alpha=d)
michael@0:             mock().method(a1=d, z99=d)
michael@0: 
michael@0:             expected = [
michael@0:                 call(ANY, foo=ANY, bar=ANY),
michael@0:                 call.method(ANY, zinga=ANY, alpha=ANY),
michael@0:                 call(), call().method(a1=ANY, z99=ANY)
michael@0:             ]
michael@0:             self.assertEqual(expected, mock.mock_calls)
michael@0:             self.assertEqual(mock.mock_calls, expected)
michael@0: 
michael@0: 
michael@0: 
michael@0: class CallTest(unittest2.TestCase):
michael@0: 
michael@0:     def test_call_with_call(self):
michael@0:         kall = _Call()
michael@0:         self.assertEqual(kall, _Call())
michael@0:         self.assertEqual(kall, _Call(('',)))
michael@0:         self.assertEqual(kall, _Call(((),)))
michael@0:         self.assertEqual(kall, _Call(({},)))
michael@0:         self.assertEqual(kall, _Call(('', ())))
michael@0:         self.assertEqual(kall, _Call(('', {})))
michael@0:         self.assertEqual(kall, _Call(('', (), {})))
michael@0:         self.assertEqual(kall, _Call(('foo',)))
michael@0:         self.assertEqual(kall, _Call(('bar', ())))
michael@0:         self.assertEqual(kall, _Call(('baz', {})))
michael@0:         self.assertEqual(kall, _Call(('spam', (), {})))
michael@0: 
michael@0:         kall = _Call(((1, 2, 3),))
michael@0:         self.assertEqual(kall, _Call(((1, 2, 3),)))
michael@0:         self.assertEqual(kall, _Call(('', (1, 2, 3))))
michael@0:         self.assertEqual(kall, _Call(((1, 2, 3), {})))
michael@0:         self.assertEqual(kall, _Call(('', (1, 2, 3), {})))
michael@0: 
michael@0:         kall = _Call(((1, 2, 4),))
michael@0:         self.assertNotEqual(kall, _Call(('', (1, 2, 3))))
michael@0:         self.assertNotEqual(kall, _Call(('', (1, 2, 3), {})))
michael@0: 
michael@0:         kall = _Call(('foo', (1, 2, 4),))
michael@0:         self.assertNotEqual(kall, _Call(('', (1, 2, 4))))
michael@0:         self.assertNotEqual(kall, _Call(('', (1, 2, 4), {})))
michael@0:         self.assertNotEqual(kall, _Call(('bar', (1, 2, 4))))
michael@0:         self.assertNotEqual(kall, _Call(('bar', (1, 2, 4), {})))
michael@0: 
michael@0:         kall = _Call(({'a': 3},))
michael@0:         self.assertEqual(kall, _Call(('', (), {'a': 3})))
michael@0:         self.assertEqual(kall, _Call(('', {'a': 3})))
michael@0:         self.assertEqual(kall, _Call(((), {'a': 3})))
michael@0:         self.assertEqual(kall, _Call(({'a': 3},)))
michael@0: 
michael@0: 
michael@0:     def test_empty__Call(self):
michael@0:         args = _Call()
michael@0: 
michael@0:         self.assertEqual(args, ())
michael@0:         self.assertEqual(args, ('foo',))
michael@0:         self.assertEqual(args, ((),))
michael@0:         self.assertEqual(args, ('foo', ()))
michael@0:         self.assertEqual(args, ('foo',(), {}))
michael@0:         self.assertEqual(args, ('foo', {}))
michael@0:         self.assertEqual(args, ({},))
michael@0: 
michael@0: 
michael@0:     def test_named_empty_call(self):
michael@0:         args = _Call(('foo', (), {}))
michael@0: 
michael@0:         self.assertEqual(args, ('foo',))
michael@0:         self.assertEqual(args, ('foo', ()))
michael@0:         self.assertEqual(args, ('foo',(), {}))
michael@0:         self.assertEqual(args, ('foo', {}))
michael@0: 
michael@0:         self.assertNotEqual(args, ((),))
michael@0:         self.assertNotEqual(args, ())
michael@0:         self.assertNotEqual(args, ({},))
michael@0:         self.assertNotEqual(args, ('bar',))
michael@0:         self.assertNotEqual(args, ('bar', ()))
michael@0:         self.assertNotEqual(args, ('bar', {}))
michael@0: 
michael@0: 
michael@0:     def test_call_with_args(self):
michael@0:         args = _Call(((1, 2, 3), {}))
michael@0: 
michael@0:         self.assertEqual(args, ((1, 2, 3),))
michael@0:         self.assertEqual(args, ('foo', (1, 2, 3)))
michael@0:         self.assertEqual(args, ('foo', (1, 2, 3), {}))
michael@0:         self.assertEqual(args, ((1, 2, 3), {}))
michael@0: 
michael@0: 
michael@0:     def test_named_call_with_args(self):
michael@0:         args = _Call(('foo', (1, 2, 3), {}))
michael@0: 
michael@0:         self.assertEqual(args, ('foo', (1, 2, 3)))
michael@0:         self.assertEqual(args, ('foo', (1, 2, 3), {}))
michael@0: 
michael@0:         self.assertNotEqual(args, ((1, 2, 3),))
michael@0:         self.assertNotEqual(args, ((1, 2, 3), {}))
michael@0: 
michael@0: 
michael@0:     def test_call_with_kwargs(self):
michael@0:         args = _Call(((), dict(a=3, b=4)))
michael@0: 
michael@0:         self.assertEqual(args, (dict(a=3, b=4),))
michael@0:         self.assertEqual(args, ('foo', dict(a=3, b=4)))
michael@0:         self.assertEqual(args, ('foo', (), dict(a=3, b=4)))
michael@0:         self.assertEqual(args, ((), dict(a=3, b=4)))
michael@0: 
michael@0: 
michael@0:     def test_named_call_with_kwargs(self):
michael@0:         args = _Call(('foo', (), dict(a=3, b=4)))
michael@0: 
michael@0:         self.assertEqual(args, ('foo', dict(a=3, b=4)))
michael@0:         self.assertEqual(args, ('foo', (), dict(a=3, b=4)))
michael@0: 
michael@0:         self.assertNotEqual(args, (dict(a=3, b=4),))
michael@0:         self.assertNotEqual(args, ((), dict(a=3, b=4)))
michael@0: 
michael@0: 
michael@0:     def test_call_with_args_call_empty_name(self):
michael@0:         args = _Call(((1, 2, 3), {}))
michael@0:         self.assertEqual(args, call(1, 2, 3))
michael@0:         self.assertEqual(call(1, 2, 3), args)
michael@0:         self.assertTrue(call(1, 2, 3) in [args])
michael@0: 
michael@0: 
michael@0:     def test_call_ne(self):
michael@0:         self.assertNotEqual(_Call(((1, 2, 3),)), call(1, 2))
michael@0:         self.assertFalse(_Call(((1, 2, 3),)) != call(1, 2, 3))
michael@0:         self.assertTrue(_Call(((1, 2), {})) != call(1, 2, 3))
michael@0: 
michael@0: 
michael@0:     def test_call_non_tuples(self):
michael@0:         kall = _Call(((1, 2, 3),))
michael@0:         for value in 1, None, self, int:
michael@0:             self.assertNotEqual(kall, value)
michael@0:             self.assertFalse(kall == value)
michael@0: 
michael@0: 
michael@0:     def test_repr(self):
michael@0:         self.assertEqual(repr(_Call()), 'call()')
michael@0:         self.assertEqual(repr(_Call(('foo',))), 'call.foo()')
michael@0: 
michael@0:         self.assertEqual(repr(_Call(((1, 2, 3), {'a': 'b'}))),
michael@0:                          "call(1, 2, 3, a='b')")
michael@0:         self.assertEqual(repr(_Call(('bar', (1, 2, 3), {'a': 'b'}))),
michael@0:                          "call.bar(1, 2, 3, a='b')")
michael@0: 
michael@0:         self.assertEqual(repr(call), 'call')
michael@0:         self.assertEqual(str(call), 'call')
michael@0: 
michael@0:         self.assertEqual(repr(call()), 'call()')
michael@0:         self.assertEqual(repr(call(1)), 'call(1)')
michael@0:         self.assertEqual(repr(call(zz='thing')), "call(zz='thing')")
michael@0: 
michael@0:         self.assertEqual(repr(call().foo), 'call().foo')
michael@0:         self.assertEqual(repr(call(1).foo.bar(a=3).bing),
michael@0:                          'call().foo.bar().bing')
michael@0:         self.assertEqual(
michael@0:             repr(call().foo(1, 2, a=3)),
michael@0:             "call().foo(1, 2, a=3)"
michael@0:         )
michael@0:         self.assertEqual(repr(call()()), "call()()")
michael@0:         self.assertEqual(repr(call(1)(2)), "call()(2)")
michael@0:         self.assertEqual(
michael@0:             repr(call()().bar().baz.beep(1)),
michael@0:             "call()().bar().baz.beep(1)"
michael@0:         )
michael@0: 
michael@0: 
michael@0:     def test_call(self):
michael@0:         self.assertEqual(call(), ('', (), {}))
michael@0:         self.assertEqual(call('foo', 'bar', one=3, two=4),
michael@0:                          ('', ('foo', 'bar'), {'one': 3, 'two': 4}))
michael@0: 
michael@0:         mock = Mock()
michael@0:         mock(1, 2, 3)
michael@0:         mock(a=3, b=6)
michael@0:         self.assertEqual(mock.call_args_list,
michael@0:                          [call(1, 2, 3), call(a=3, b=6)])
michael@0: 
michael@0:     def test_attribute_call(self):
michael@0:         self.assertEqual(call.foo(1), ('foo', (1,), {}))
michael@0:         self.assertEqual(call.bar.baz(fish='eggs'),
michael@0:                          ('bar.baz', (), {'fish': 'eggs'}))
michael@0: 
michael@0:         mock = Mock()
michael@0:         mock.foo(1, 2 ,3)
michael@0:         mock.bar.baz(a=3, b=6)
michael@0:         self.assertEqual(mock.method_calls,
michael@0:                          [call.foo(1, 2, 3), call.bar.baz(a=3, b=6)])
michael@0: 
michael@0: 
michael@0:     def test_extended_call(self):
michael@0:         result = call(1).foo(2).bar(3, a=4)
michael@0:         self.assertEqual(result, ('().foo().bar', (3,), dict(a=4)))
michael@0: 
michael@0:         mock = MagicMock()
michael@0:         mock(1, 2, a=3, b=4)
michael@0:         self.assertEqual(mock.call_args, call(1, 2, a=3, b=4))
michael@0:         self.assertNotEqual(mock.call_args, call(1, 2, 3))
michael@0: 
michael@0:         self.assertEqual(mock.call_args_list, [call(1, 2, a=3, b=4)])
michael@0:         self.assertEqual(mock.mock_calls, [call(1, 2, a=3, b=4)])
michael@0: 
michael@0:         mock = MagicMock()
michael@0:         mock.foo(1).bar()().baz.beep(a=6)
michael@0: 
michael@0:         last_call = call.foo(1).bar()().baz.beep(a=6)
michael@0:         self.assertEqual(mock.mock_calls[-1], last_call)
michael@0:         self.assertEqual(mock.mock_calls, last_call.call_list())
michael@0: 
michael@0: 
michael@0:     def test_call_list(self):
michael@0:         mock = MagicMock()
michael@0:         mock(1)
michael@0:         self.assertEqual(call(1).call_list(), mock.mock_calls)
michael@0: 
michael@0:         mock = MagicMock()
michael@0:         mock(1).method(2)
michael@0:         self.assertEqual(call(1).method(2).call_list(),
michael@0:                          mock.mock_calls)
michael@0: 
michael@0:         mock = MagicMock()
michael@0:         mock(1).method(2)(3)
michael@0:         self.assertEqual(call(1).method(2)(3).call_list(),
michael@0:                          mock.mock_calls)
michael@0: 
michael@0:         mock = MagicMock()
michael@0:         int(mock(1).method(2)(3).foo.bar.baz(4)(5))
michael@0:         kall = call(1).method(2)(3).foo.bar.baz(4)(5).__int__()
michael@0:         self.assertEqual(kall.call_list(), mock.mock_calls)
michael@0: 
michael@0: 
michael@0:     def test_call_any(self):
michael@0:         self.assertEqual(call, ANY)
michael@0: 
michael@0:         m = MagicMock()
michael@0:         int(m)
michael@0:         self.assertEqual(m.mock_calls, [ANY])
michael@0:         self.assertEqual([ANY], m.mock_calls)
michael@0: 
michael@0: 
michael@0:     def test_two_args_call(self):
michael@0:         args = _Call(((1, 2), {'a': 3}), two=True)
michael@0:         self.assertEqual(len(args), 2)
michael@0:         self.assertEqual(args[0], (1, 2))
michael@0:         self.assertEqual(args[1], {'a': 3})
michael@0: 
michael@0:         other_args = _Call(((1, 2), {'a': 3}))
michael@0:         self.assertEqual(args, other_args)
michael@0: 
michael@0: 
michael@0: class SpecSignatureTest(unittest2.TestCase):
michael@0: 
michael@0:     def _check_someclass_mock(self, mock):
michael@0:         self.assertRaises(AttributeError, getattr, mock, 'foo')
michael@0:         mock.one(1, 2)
michael@0:         mock.one.assert_called_with(1, 2)
michael@0:         self.assertRaises(AssertionError,
michael@0:                           mock.one.assert_called_with, 3, 4)
michael@0:         self.assertRaises(TypeError, mock.one, 1)
michael@0: 
michael@0:         mock.two()
michael@0:         mock.two.assert_called_with()
michael@0:         self.assertRaises(AssertionError,
michael@0:                           mock.two.assert_called_with, 3)
michael@0:         self.assertRaises(TypeError, mock.two, 1)
michael@0: 
michael@0:         mock.three()
michael@0:         mock.three.assert_called_with()
michael@0:         self.assertRaises(AssertionError,
michael@0:                           mock.three.assert_called_with, 3)
michael@0:         self.assertRaises(TypeError, mock.three, 3, 2)
michael@0: 
michael@0:         mock.three(1)
michael@0:         mock.three.assert_called_with(1)
michael@0: 
michael@0:         mock.three(a=1)
michael@0:         mock.three.assert_called_with(a=1)
michael@0: 
michael@0: 
michael@0:     def test_basic(self):
michael@0:         for spec in (SomeClass, SomeClass()):
michael@0:             mock = create_autospec(spec)
michael@0:             self._check_someclass_mock(mock)
michael@0: 
michael@0: 
michael@0:     def test_create_autospec_return_value(self):
michael@0:         def f():
michael@0:             pass
michael@0:         mock = create_autospec(f, return_value='foo')
michael@0:         self.assertEqual(mock(), 'foo')
michael@0: 
michael@0:         class Foo(object):
michael@0:             pass
michael@0: 
michael@0:         mock = create_autospec(Foo, return_value='foo')
michael@0:         self.assertEqual(mock(), 'foo')
michael@0: 
michael@0: 
michael@0:     def test_autospec_reset_mock(self):
michael@0:         m = create_autospec(int)
michael@0:         int(m)
michael@0:         m.reset_mock()
michael@0:         self.assertEqual(m.__int__.call_count, 0)
michael@0: 
michael@0: 
michael@0:     def test_mocking_unbound_methods(self):
michael@0:         class Foo(object):
michael@0:             def foo(self, foo):
michael@0:                 pass
michael@0:         p = patch.object(Foo, 'foo')
michael@0:         mock_foo = p.start()
michael@0:         Foo().foo(1)
michael@0: 
michael@0:         mock_foo.assert_called_with(1)
michael@0: 
michael@0: 
michael@0:     @unittest2.expectedFailure
michael@0:     def test_create_autospec_unbound_methods(self):
michael@0:         # see issue 128
michael@0:         class Foo(object):
michael@0:             def foo(self):
michael@0:                 pass
michael@0: 
michael@0:         klass = create_autospec(Foo)
michael@0:         instance = klass()
michael@0:         self.assertRaises(TypeError, instance.foo, 1)
michael@0: 
michael@0:         # Note: no type checking on the "self" parameter
michael@0:         klass.foo(1)
michael@0:         klass.foo.assert_called_with(1)
michael@0:         self.assertRaises(TypeError, klass.foo)
michael@0: 
michael@0: 
michael@0:     def test_create_autospec_keyword_arguments(self):
michael@0:         class Foo(object):
michael@0:             a = 3
michael@0:         m = create_autospec(Foo, a='3')
michael@0:         self.assertEqual(m.a, '3')
michael@0: 
michael@0:     @unittest2.skipUnless(inPy3k, "Keyword only arguments Python 3 specific")
michael@0:     def test_create_autospec_keyword_only_arguments(self):
michael@0:         func_def = "def foo(a, *, b=None):\n    pass\n"
michael@0:         namespace = {}
michael@0:         exec (func_def, namespace)
michael@0:         foo = namespace['foo']
michael@0: 
michael@0:         m = create_autospec(foo)
michael@0:         m(1)
michael@0:         m.assert_called_with(1)
michael@0:         self.assertRaises(TypeError, m, 1, 2)
michael@0: 
michael@0:         m(2, b=3)
michael@0:         m.assert_called_with(2, b=3)
michael@0: 
michael@0:     def test_function_as_instance_attribute(self):
michael@0:         obj = SomeClass()
michael@0:         def f(a):
michael@0:             pass
michael@0:         obj.f = f
michael@0: 
michael@0:         mock = create_autospec(obj)
michael@0:         mock.f('bing')
michael@0:         mock.f.assert_called_with('bing')
michael@0: 
michael@0: 
michael@0:     def test_spec_as_list(self):
michael@0:         # because spec as a list of strings in the mock constructor means
michael@0:         # something very different we treat a list instance as the type.
michael@0:         mock = create_autospec([])
michael@0:         mock.append('foo')
michael@0:         mock.append.assert_called_with('foo')
michael@0: 
michael@0:         self.assertRaises(AttributeError, getattr, mock, 'foo')
michael@0: 
michael@0:         class Foo(object):
michael@0:             foo = []
michael@0: 
michael@0:         mock = create_autospec(Foo)
michael@0:         mock.foo.append(3)
michael@0:         mock.foo.append.assert_called_with(3)
michael@0:         self.assertRaises(AttributeError, getattr, mock.foo, 'foo')
michael@0: 
michael@0: 
michael@0:     def test_attributes(self):
michael@0:         class Sub(SomeClass):
michael@0:             attr = SomeClass()
michael@0: 
michael@0:         sub_mock = create_autospec(Sub)
michael@0: 
michael@0:         for mock in (sub_mock, sub_mock.attr):
michael@0:             self._check_someclass_mock(mock)
michael@0: 
michael@0: 
michael@0:     def test_builtin_functions_types(self):
michael@0:         # we could replace builtin functions / methods with a function
michael@0:         # with *args / **kwargs signature. Using the builtin method type
michael@0:         # as a spec seems to work fairly well though.
michael@0:         class BuiltinSubclass(list):
michael@0:             def bar(self, arg):
michael@0:                 pass
michael@0:             sorted = sorted
michael@0:             attr = {}
michael@0: 
michael@0:         mock = create_autospec(BuiltinSubclass)
michael@0:         mock.append(3)
michael@0:         mock.append.assert_called_with(3)
michael@0:         self.assertRaises(AttributeError, getattr, mock.append, 'foo')
michael@0: 
michael@0:         mock.bar('foo')
michael@0:         mock.bar.assert_called_with('foo')
michael@0:         self.assertRaises(TypeError, mock.bar, 'foo', 'bar')
michael@0:         self.assertRaises(AttributeError, getattr, mock.bar, 'foo')
michael@0: 
michael@0:         mock.sorted([1, 2])
michael@0:         mock.sorted.assert_called_with([1, 2])
michael@0:         self.assertRaises(AttributeError, getattr, mock.sorted, 'foo')
michael@0: 
michael@0:         mock.attr.pop(3)
michael@0:         mock.attr.pop.assert_called_with(3)
michael@0:         self.assertRaises(AttributeError, getattr, mock.attr, 'foo')
michael@0: 
michael@0: 
michael@0:     def test_method_calls(self):
michael@0:         class Sub(SomeClass):
michael@0:             attr = SomeClass()
michael@0: 
michael@0:         mock = create_autospec(Sub)
michael@0:         mock.one(1, 2)
michael@0:         mock.two()
michael@0:         mock.three(3)
michael@0: 
michael@0:         expected = [call.one(1, 2), call.two(), call.three(3)]
michael@0:         self.assertEqual(mock.method_calls, expected)
michael@0: 
michael@0:         mock.attr.one(1, 2)
michael@0:         mock.attr.two()
michael@0:         mock.attr.three(3)
michael@0: 
michael@0:         expected.extend(
michael@0:             [call.attr.one(1, 2), call.attr.two(), call.attr.three(3)]
michael@0:         )
michael@0:         self.assertEqual(mock.method_calls, expected)
michael@0: 
michael@0: 
michael@0:     def test_magic_methods(self):
michael@0:         class BuiltinSubclass(list):
michael@0:             attr = {}
michael@0: 
michael@0:         mock = create_autospec(BuiltinSubclass)
michael@0:         self.assertEqual(list(mock), [])
michael@0:         self.assertRaises(TypeError, int, mock)
michael@0:         self.assertRaises(TypeError, int, mock.attr)
michael@0:         self.assertEqual(list(mock), [])
michael@0: 
michael@0:         self.assertIsInstance(mock['foo'], MagicMock)
michael@0:         self.assertIsInstance(mock.attr['foo'], MagicMock)
michael@0: 
michael@0: 
michael@0:     def test_spec_set(self):
michael@0:         class Sub(SomeClass):
michael@0:             attr = SomeClass()
michael@0: 
michael@0:         for spec in (Sub, Sub()):
michael@0:             mock = create_autospec(spec, spec_set=True)
michael@0:             self._check_someclass_mock(mock)
michael@0: 
michael@0:             self.assertRaises(AttributeError, setattr, mock, 'foo', 'bar')
michael@0:             self.assertRaises(AttributeError, setattr, mock.attr, 'foo', 'bar')
michael@0: 
michael@0: 
michael@0:     def test_descriptors(self):
michael@0:         class Foo(object):
michael@0:             @classmethod
michael@0:             def f(cls, a, b):
michael@0:                 pass
michael@0:             @staticmethod
michael@0:             def g(a, b):
michael@0:                 pass
michael@0: 
michael@0:         class Bar(Foo):
michael@0:             pass
michael@0: 
michael@0:         class Baz(SomeClass, Bar):
michael@0:             pass
michael@0: 
michael@0:         for spec in (Foo, Foo(), Bar, Bar(), Baz, Baz()):
michael@0:             mock = create_autospec(spec)
michael@0:             mock.f(1, 2)
michael@0:             mock.f.assert_called_once_with(1, 2)
michael@0: 
michael@0:             mock.g(3, 4)
michael@0:             mock.g.assert_called_once_with(3, 4)
michael@0: 
michael@0: 
michael@0:     @unittest2.skipIf(inPy3k, "No old style classes in Python 3")
michael@0:     def test_old_style_classes(self):
michael@0:         class Foo:
michael@0:             def f(self, a, b):
michael@0:                 pass
michael@0: 
michael@0:         class Bar(Foo):
michael@0:             g = Foo()
michael@0: 
michael@0:         for spec in (Foo, Foo(), Bar, Bar()):
michael@0:             mock = create_autospec(spec)
michael@0:             mock.f(1, 2)
michael@0:             mock.f.assert_called_once_with(1, 2)
michael@0: 
michael@0:             self.assertRaises(AttributeError, getattr, mock, 'foo')
michael@0:             self.assertRaises(AttributeError, getattr, mock.f, 'foo')
michael@0: 
michael@0:         mock.g.f(1, 2)
michael@0:         mock.g.f.assert_called_once_with(1, 2)
michael@0:         self.assertRaises(AttributeError, getattr, mock.g, 'foo')
michael@0: 
michael@0: 
michael@0:     def test_recursive(self):
michael@0:         class A(object):
michael@0:             def a(self):
michael@0:                 pass
michael@0:             foo = 'foo bar baz'
michael@0:             bar = foo
michael@0: 
michael@0:         A.B = A
michael@0:         mock = create_autospec(A)
michael@0: 
michael@0:         mock()
michael@0:         self.assertFalse(mock.B.called)
michael@0: 
michael@0:         mock.a()
michael@0:         mock.B.a()
michael@0:         self.assertEqual(mock.method_calls, [call.a(), call.B.a()])
michael@0: 
michael@0:         self.assertIs(A.foo, A.bar)
michael@0:         self.assertIsNot(mock.foo, mock.bar)
michael@0:         mock.foo.lower()
michael@0:         self.assertRaises(AssertionError, mock.bar.lower.assert_called_with)
michael@0: 
michael@0: 
michael@0:     def test_spec_inheritance_for_classes(self):
michael@0:         class Foo(object):
michael@0:             def a(self):
michael@0:                 pass
michael@0:             class Bar(object):
michael@0:                 def f(self):
michael@0:                     pass
michael@0: 
michael@0:         class_mock = create_autospec(Foo)
michael@0: 
michael@0:         self.assertIsNot(class_mock, class_mock())
michael@0: 
michael@0:         for this_mock in class_mock, class_mock():
michael@0:             this_mock.a()
michael@0:             this_mock.a.assert_called_with()
michael@0:             self.assertRaises(TypeError, this_mock.a, 'foo')
michael@0:             self.assertRaises(AttributeError, getattr, this_mock, 'b')
michael@0: 
michael@0:         instance_mock = create_autospec(Foo())
michael@0:         instance_mock.a()
michael@0:         instance_mock.a.assert_called_with()
michael@0:         self.assertRaises(TypeError, instance_mock.a, 'foo')
michael@0:         self.assertRaises(AttributeError, getattr, instance_mock, 'b')
michael@0: 
michael@0:         # The return value isn't isn't callable
michael@0:         self.assertRaises(TypeError, instance_mock)
michael@0: 
michael@0:         instance_mock.Bar.f()
michael@0:         instance_mock.Bar.f.assert_called_with()
michael@0:         self.assertRaises(AttributeError, getattr, instance_mock.Bar, 'g')
michael@0: 
michael@0:         instance_mock.Bar().f()
michael@0:         instance_mock.Bar().f.assert_called_with()
michael@0:         self.assertRaises(AttributeError, getattr, instance_mock.Bar(), 'g')
michael@0: 
michael@0: 
michael@0:     def test_inherit(self):
michael@0:         class Foo(object):
michael@0:             a = 3
michael@0: 
michael@0:         Foo.Foo = Foo
michael@0: 
michael@0:         # class
michael@0:         mock = create_autospec(Foo)
michael@0:         instance = mock()
michael@0:         self.assertRaises(AttributeError, getattr, instance, 'b')
michael@0: 
michael@0:         attr_instance = mock.Foo()
michael@0:         self.assertRaises(AttributeError, getattr, attr_instance, 'b')
michael@0: 
michael@0:         # instance
michael@0:         mock = create_autospec(Foo())
michael@0:         self.assertRaises(AttributeError, getattr, mock, 'b')
michael@0:         self.assertRaises(TypeError, mock)
michael@0: 
michael@0:         # attribute instance
michael@0:         call_result = mock.Foo()
michael@0:         self.assertRaises(AttributeError, getattr, call_result, 'b')
michael@0: 
michael@0: 
michael@0:     def test_builtins(self):
michael@0:         # used to fail with infinite recursion
michael@0:         create_autospec(1)
michael@0: 
michael@0:         create_autospec(int)
michael@0:         create_autospec('foo')
michael@0:         create_autospec(str)
michael@0:         create_autospec({})
michael@0:         create_autospec(dict)
michael@0:         create_autospec([])
michael@0:         create_autospec(list)
michael@0:         create_autospec(set())
michael@0:         create_autospec(set)
michael@0:         create_autospec(1.0)
michael@0:         create_autospec(float)
michael@0:         create_autospec(1j)
michael@0:         create_autospec(complex)
michael@0:         create_autospec(False)
michael@0:         create_autospec(True)
michael@0: 
michael@0: 
michael@0:     def test_function(self):
michael@0:         def f(a, b):
michael@0:             pass
michael@0: 
michael@0:         mock = create_autospec(f)
michael@0:         self.assertRaises(TypeError, mock)
michael@0:         mock(1, 2)
michael@0:         mock.assert_called_with(1, 2)
michael@0: 
michael@0:         f.f = f
michael@0:         mock = create_autospec(f)
michael@0:         self.assertRaises(TypeError, mock.f)
michael@0:         mock.f(3, 4)
michael@0:         mock.f.assert_called_with(3, 4)
michael@0: 
michael@0: 
michael@0:     def test_skip_attributeerrors(self):
michael@0:         class Raiser(object):
michael@0:             def __get__(self, obj, type=None):
michael@0:                 if obj is None:
michael@0:                     raise AttributeError('Can only be accessed via an instance')
michael@0: 
michael@0:         class RaiserClass(object):
michael@0:             raiser = Raiser()
michael@0: 
michael@0:             @staticmethod
michael@0:             def existing(a, b):
michael@0:                 return a + b
michael@0: 
michael@0:         s = create_autospec(RaiserClass)
michael@0:         self.assertRaises(TypeError, lambda x: s.existing(1, 2, 3))
michael@0:         s.existing(1, 2)
michael@0:         self.assertRaises(AttributeError, lambda: s.nonexisting)
michael@0: 
michael@0:         # check we can fetch the raiser attribute and it has no spec
michael@0:         obj = s.raiser
michael@0:         obj.foo, obj.bar
michael@0: 
michael@0: 
michael@0:     def test_signature_class(self):
michael@0:         class Foo(object):
michael@0:             def __init__(self, a, b=3):
michael@0:                 pass
michael@0: 
michael@0:         mock = create_autospec(Foo)
michael@0: 
michael@0:         self.assertRaises(TypeError, mock)
michael@0:         mock(1)
michael@0:         mock.assert_called_once_with(1)
michael@0: 
michael@0:         mock(4, 5)
michael@0:         mock.assert_called_with(4, 5)
michael@0: 
michael@0: 
michael@0:     @unittest2.skipIf(inPy3k, 'no old style classes in Python 3')
michael@0:     def test_signature_old_style_class(self):
michael@0:         class Foo:
michael@0:             def __init__(self, a, b=3):
michael@0:                 pass
michael@0: 
michael@0:         mock = create_autospec(Foo)
michael@0: 
michael@0:         self.assertRaises(TypeError, mock)
michael@0:         mock(1)
michael@0:         mock.assert_called_once_with(1)
michael@0: 
michael@0:         mock(4, 5)
michael@0:         mock.assert_called_with(4, 5)
michael@0: 
michael@0: 
michael@0:     def test_class_with_no_init(self):
michael@0:         # this used to raise an exception
michael@0:         # due to trying to get a signature from object.__init__
michael@0:         class Foo(object):
michael@0:             pass
michael@0:         create_autospec(Foo)
michael@0: 
michael@0: 
michael@0:     @unittest2.skipIf(inPy3k, 'no old style classes in Python 3')
michael@0:     def test_old_style_class_with_no_init(self):
michael@0:         # this used to raise an exception
michael@0:         # due to Foo.__init__ raising an AttributeError
michael@0:         class Foo:
michael@0:             pass
michael@0:         create_autospec(Foo)
michael@0: 
michael@0: 
michael@0:     def test_signature_callable(self):
michael@0:         class Callable(object):
michael@0:             def __init__(self):
michael@0:                 pass
michael@0:             def __call__(self, a):
michael@0:                 pass
michael@0: 
michael@0:         mock = create_autospec(Callable)
michael@0:         mock()
michael@0:         mock.assert_called_once_with()
michael@0:         self.assertRaises(TypeError, mock, 'a')
michael@0: 
michael@0:         instance = mock()
michael@0:         self.assertRaises(TypeError, instance)
michael@0:         instance(a='a')
michael@0:         instance.assert_called_once_with(a='a')
michael@0:         instance('a')
michael@0:         instance.assert_called_with('a')
michael@0: 
michael@0:         mock = create_autospec(Callable())
michael@0:         mock(a='a')
michael@0:         mock.assert_called_once_with(a='a')
michael@0:         self.assertRaises(TypeError, mock)
michael@0:         mock('a')
michael@0:         mock.assert_called_with('a')
michael@0: 
michael@0: 
michael@0:     def test_signature_noncallable(self):
michael@0:         class NonCallable(object):
michael@0:             def __init__(self):
michael@0:                 pass
michael@0: 
michael@0:         mock = create_autospec(NonCallable)
michael@0:         instance = mock()
michael@0:         mock.assert_called_once_with()
michael@0:         self.assertRaises(TypeError, mock, 'a')
michael@0:         self.assertRaises(TypeError, instance)
michael@0:         self.assertRaises(TypeError, instance, 'a')
michael@0: 
michael@0:         mock = create_autospec(NonCallable())
michael@0:         self.assertRaises(TypeError, mock)
michael@0:         self.assertRaises(TypeError, mock, 'a')
michael@0: 
michael@0: 
michael@0:     def test_create_autospec_none(self):
michael@0:         class Foo(object):
michael@0:             bar = None
michael@0: 
michael@0:         mock = create_autospec(Foo)
michael@0:         none = mock.bar
michael@0:         self.assertNotIsInstance(none, type(None))
michael@0: 
michael@0:         none.foo()
michael@0:         none.foo.assert_called_once_with()
michael@0: 
michael@0: 
michael@0:     def test_autospec_functions_with_self_in_odd_place(self):
michael@0:         class Foo(object):
michael@0:             def f(a, self):
michael@0:                 pass
michael@0: 
michael@0:         a = create_autospec(Foo)
michael@0:         a.f(self=10)
michael@0:         a.f.assert_called_with(self=10)
michael@0: 
michael@0: 
michael@0:     def test_autospec_property(self):
michael@0:         class Foo(object):
michael@0:             @property
michael@0:             def foo(self):
michael@0:                 return 3
michael@0: 
michael@0:         foo = create_autospec(Foo)
michael@0:         mock_property = foo.foo
michael@0: 
michael@0:         # no spec on properties
michael@0:         self.assertTrue(isinstance(mock_property, MagicMock))
michael@0:         mock_property(1, 2, 3)
michael@0:         mock_property.abc(4, 5, 6)
michael@0:         mock_property.assert_called_once_with(1, 2, 3)
michael@0:         mock_property.abc.assert_called_once_with(4, 5, 6)
michael@0: 
michael@0: 
michael@0:     def test_autospec_slots(self):
michael@0:         class Foo(object):
michael@0:             __slots__ = ['a']
michael@0: 
michael@0:         foo = create_autospec(Foo)
michael@0:         mock_slot = foo.a
michael@0: 
michael@0:         # no spec on slots
michael@0:         mock_slot(1, 2, 3)
michael@0:         mock_slot.abc(4, 5, 6)
michael@0:         mock_slot.assert_called_once_with(1, 2, 3)
michael@0:         mock_slot.abc.assert_called_once_with(4, 5, 6)
michael@0: 
michael@0: 
michael@0: class TestCallList(unittest2.TestCase):
michael@0: 
michael@0:     def test_args_list_contains_call_list(self):
michael@0:         mock = Mock()
michael@0:         self.assertIsInstance(mock.call_args_list, _CallList)
michael@0: 
michael@0:         mock(1, 2)
michael@0:         mock(a=3)
michael@0:         mock(3, 4)
michael@0:         mock(b=6)
michael@0: 
michael@0:         for kall in call(1, 2), call(a=3), call(3, 4), call(b=6):
michael@0:             self.assertTrue(kall in mock.call_args_list)
michael@0: 
michael@0:         calls = [call(a=3), call(3, 4)]
michael@0:         self.assertTrue(calls in mock.call_args_list)
michael@0:         calls = [call(1, 2), call(a=3)]
michael@0:         self.assertTrue(calls in mock.call_args_list)
michael@0:         calls = [call(3, 4), call(b=6)]
michael@0:         self.assertTrue(calls in mock.call_args_list)
michael@0:         calls = [call(3, 4)]
michael@0:         self.assertTrue(calls in mock.call_args_list)
michael@0: 
michael@0:         self.assertFalse(call('fish') in mock.call_args_list)
michael@0:         self.assertFalse([call('fish')] in mock.call_args_list)
michael@0: 
michael@0: 
michael@0:     def test_call_list_str(self):
michael@0:         mock = Mock()
michael@0:         mock(1, 2)
michael@0:         mock.foo(a=3)
michael@0:         mock.foo.bar().baz('fish', cat='dog')
michael@0: 
michael@0:         expected = (
michael@0:             "[call(1, 2),\n"
michael@0:             " call.foo(a=3),\n"
michael@0:             " call.foo.bar(),\n"
michael@0:             " call.foo.bar().baz('fish', cat='dog')]"
michael@0:         )
michael@0:         self.assertEqual(str(mock.mock_calls), expected)
michael@0: 
michael@0: 
michael@0:     def test_propertymock(self):
michael@0:         p = patch('%s.SomeClass.one' % __name__, new_callable=PropertyMock)
michael@0:         mock = p.start()
michael@0:         try:
michael@0:             SomeClass.one
michael@0:             mock.assert_called_once_with()
michael@0: 
michael@0:             s = SomeClass()
michael@0:             s.one
michael@0:             mock.assert_called_with()
michael@0:             self.assertEqual(mock.mock_calls, [call(), call()])
michael@0: 
michael@0:             s.one = 3
michael@0:             self.assertEqual(mock.mock_calls, [call(), call(), call(3)])
michael@0:         finally:
michael@0:             p.stop()
michael@0: 
michael@0: 
michael@0:     def test_propertymock_returnvalue(self):
michael@0:         m = MagicMock()
michael@0:         p = PropertyMock()
michael@0:         type(m).foo = p
michael@0: 
michael@0:         returned = m.foo
michael@0:         p.assert_called_once_with()
michael@0:         self.assertIsInstance(returned, MagicMock)
michael@0:         self.assertNotIsInstance(returned, PropertyMock)
michael@0: 
michael@0: 
michael@0: if __name__ == '__main__':
michael@0:     unittest2.main()