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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /python/mock-1.0.0/tests/testhelpers.py
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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diff --git a/python/mock-1.0.0/tests/testhelpers.py b/python/mock-1.0.0/tests/testhelpers.py
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+# Copyright (C) 2007-2012 Michael Foord & the mock team
+# E-mail: fuzzyman AT voidspace DOT org DOT uk
+# http://www.voidspace.org.uk/python/mock/
+
+from tests.support import unittest2, inPy3k
+
+from mock import (
+ call, _Call, create_autospec, MagicMock,
+ Mock, ANY, _CallList, patch, PropertyMock
+)
+
+from datetime import datetime
+
+class SomeClass(object):
+ def one(self, a, b):
+ pass
+ def two(self):
+ pass
+ def three(self, a=None):
+ pass
+
+
+
+class AnyTest(unittest2.TestCase):
+
+ def test_any(self):
+ self.assertEqual(ANY, object())
+
+ mock = Mock()
+ mock(ANY)
+ mock.assert_called_with(ANY)
+
+ mock = Mock()
+ mock(foo=ANY)
+ mock.assert_called_with(foo=ANY)
+
+ def test_repr(self):
+ self.assertEqual(repr(ANY), '<ANY>')
+ self.assertEqual(str(ANY), '<ANY>')
+
+
+ def test_any_and_datetime(self):
+ mock = Mock()
+ mock(datetime.now(), foo=datetime.now())
+
+ mock.assert_called_with(ANY, foo=ANY)
+
+
+ def test_any_mock_calls_comparison_order(self):
+ mock = Mock()
+ d = datetime.now()
+ class Foo(object):
+ def __eq__(self, other):
+ return False
+ def __ne__(self, other):
+ return True
+
+ for d in datetime.now(), Foo():
+ mock.reset_mock()
+
+ mock(d, foo=d, bar=d)
+ mock.method(d, zinga=d, alpha=d)
+ mock().method(a1=d, z99=d)
+
+ expected = [
+ call(ANY, foo=ANY, bar=ANY),
+ call.method(ANY, zinga=ANY, alpha=ANY),
+ call(), call().method(a1=ANY, z99=ANY)
+ ]
+ self.assertEqual(expected, mock.mock_calls)
+ self.assertEqual(mock.mock_calls, expected)
+
+
+
+class CallTest(unittest2.TestCase):
+
+ def test_call_with_call(self):
+ kall = _Call()
+ self.assertEqual(kall, _Call())
+ self.assertEqual(kall, _Call(('',)))
+ self.assertEqual(kall, _Call(((),)))
+ self.assertEqual(kall, _Call(({},)))
+ self.assertEqual(kall, _Call(('', ())))
+ self.assertEqual(kall, _Call(('', {})))
+ self.assertEqual(kall, _Call(('', (), {})))
+ self.assertEqual(kall, _Call(('foo',)))
+ self.assertEqual(kall, _Call(('bar', ())))
+ self.assertEqual(kall, _Call(('baz', {})))
+ self.assertEqual(kall, _Call(('spam', (), {})))
+
+ kall = _Call(((1, 2, 3),))
+ self.assertEqual(kall, _Call(((1, 2, 3),)))
+ self.assertEqual(kall, _Call(('', (1, 2, 3))))
+ self.assertEqual(kall, _Call(((1, 2, 3), {})))
+ self.assertEqual(kall, _Call(('', (1, 2, 3), {})))
+
+ kall = _Call(((1, 2, 4),))
+ self.assertNotEqual(kall, _Call(('', (1, 2, 3))))
+ self.assertNotEqual(kall, _Call(('', (1, 2, 3), {})))
+
+ kall = _Call(('foo', (1, 2, 4),))
+ self.assertNotEqual(kall, _Call(('', (1, 2, 4))))
+ self.assertNotEqual(kall, _Call(('', (1, 2, 4), {})))
+ self.assertNotEqual(kall, _Call(('bar', (1, 2, 4))))
+ self.assertNotEqual(kall, _Call(('bar', (1, 2, 4), {})))
+
+ kall = _Call(({'a': 3},))
+ self.assertEqual(kall, _Call(('', (), {'a': 3})))
+ self.assertEqual(kall, _Call(('', {'a': 3})))
+ self.assertEqual(kall, _Call(((), {'a': 3})))
+ self.assertEqual(kall, _Call(({'a': 3},)))
+
+
+ def test_empty__Call(self):
+ args = _Call()
+
+ self.assertEqual(args, ())
+ self.assertEqual(args, ('foo',))
+ self.assertEqual(args, ((),))
+ self.assertEqual(args, ('foo', ()))
+ self.assertEqual(args, ('foo',(), {}))
+ self.assertEqual(args, ('foo', {}))
+ self.assertEqual(args, ({},))
+
+
+ def test_named_empty_call(self):
+ args = _Call(('foo', (), {}))
+
+ self.assertEqual(args, ('foo',))
+ self.assertEqual(args, ('foo', ()))
+ self.assertEqual(args, ('foo',(), {}))
+ self.assertEqual(args, ('foo', {}))
+
+ self.assertNotEqual(args, ((),))
+ self.assertNotEqual(args, ())
+ self.assertNotEqual(args, ({},))
+ self.assertNotEqual(args, ('bar',))
+ self.assertNotEqual(args, ('bar', ()))
+ self.assertNotEqual(args, ('bar', {}))
+
+
+ def test_call_with_args(self):
+ args = _Call(((1, 2, 3), {}))
+
+ self.assertEqual(args, ((1, 2, 3),))
+ self.assertEqual(args, ('foo', (1, 2, 3)))
+ self.assertEqual(args, ('foo', (1, 2, 3), {}))
+ self.assertEqual(args, ((1, 2, 3), {}))
+
+
+ def test_named_call_with_args(self):
+ args = _Call(('foo', (1, 2, 3), {}))
+
+ self.assertEqual(args, ('foo', (1, 2, 3)))
+ self.assertEqual(args, ('foo', (1, 2, 3), {}))
+
+ self.assertNotEqual(args, ((1, 2, 3),))
+ self.assertNotEqual(args, ((1, 2, 3), {}))
+
+
+ def test_call_with_kwargs(self):
+ args = _Call(((), dict(a=3, b=4)))
+
+ self.assertEqual(args, (dict(a=3, b=4),))
+ self.assertEqual(args, ('foo', dict(a=3, b=4)))
+ self.assertEqual(args, ('foo', (), dict(a=3, b=4)))
+ self.assertEqual(args, ((), dict(a=3, b=4)))
+
+
+ def test_named_call_with_kwargs(self):
+ args = _Call(('foo', (), dict(a=3, b=4)))
+
+ self.assertEqual(args, ('foo', dict(a=3, b=4)))
+ self.assertEqual(args, ('foo', (), dict(a=3, b=4)))
+
+ self.assertNotEqual(args, (dict(a=3, b=4),))
+ self.assertNotEqual(args, ((), dict(a=3, b=4)))
+
+
+ def test_call_with_args_call_empty_name(self):
+ args = _Call(((1, 2, 3), {}))
+ self.assertEqual(args, call(1, 2, 3))
+ self.assertEqual(call(1, 2, 3), args)
+ self.assertTrue(call(1, 2, 3) in [args])
+
+
+ def test_call_ne(self):
+ self.assertNotEqual(_Call(((1, 2, 3),)), call(1, 2))
+ self.assertFalse(_Call(((1, 2, 3),)) != call(1, 2, 3))
+ self.assertTrue(_Call(((1, 2), {})) != call(1, 2, 3))
+
+
+ def test_call_non_tuples(self):
+ kall = _Call(((1, 2, 3),))
+ for value in 1, None, self, int:
+ self.assertNotEqual(kall, value)
+ self.assertFalse(kall == value)
+
+
+ def test_repr(self):
+ self.assertEqual(repr(_Call()), 'call()')
+ self.assertEqual(repr(_Call(('foo',))), 'call.foo()')
+
+ self.assertEqual(repr(_Call(((1, 2, 3), {'a': 'b'}))),
+ "call(1, 2, 3, a='b')")
+ self.assertEqual(repr(_Call(('bar', (1, 2, 3), {'a': 'b'}))),
+ "call.bar(1, 2, 3, a='b')")
+
+ self.assertEqual(repr(call), 'call')
+ self.assertEqual(str(call), 'call')
+
+ self.assertEqual(repr(call()), 'call()')
+ self.assertEqual(repr(call(1)), 'call(1)')
+ self.assertEqual(repr(call(zz='thing')), "call(zz='thing')")
+
+ self.assertEqual(repr(call().foo), 'call().foo')
+ self.assertEqual(repr(call(1).foo.bar(a=3).bing),
+ 'call().foo.bar().bing')
+ self.assertEqual(
+ repr(call().foo(1, 2, a=3)),
+ "call().foo(1, 2, a=3)"
+ )
+ self.assertEqual(repr(call()()), "call()()")
+ self.assertEqual(repr(call(1)(2)), "call()(2)")
+ self.assertEqual(
+ repr(call()().bar().baz.beep(1)),
+ "call()().bar().baz.beep(1)"
+ )
+
+
+ def test_call(self):
+ self.assertEqual(call(), ('', (), {}))
+ self.assertEqual(call('foo', 'bar', one=3, two=4),
+ ('', ('foo', 'bar'), {'one': 3, 'two': 4}))
+
+ mock = Mock()
+ mock(1, 2, 3)
+ mock(a=3, b=6)
+ self.assertEqual(mock.call_args_list,
+ [call(1, 2, 3), call(a=3, b=6)])
+
+ def test_attribute_call(self):
+ self.assertEqual(call.foo(1), ('foo', (1,), {}))
+ self.assertEqual(call.bar.baz(fish='eggs'),
+ ('bar.baz', (), {'fish': 'eggs'}))
+
+ mock = Mock()
+ mock.foo(1, 2 ,3)
+ mock.bar.baz(a=3, b=6)
+ self.assertEqual(mock.method_calls,
+ [call.foo(1, 2, 3), call.bar.baz(a=3, b=6)])
+
+
+ def test_extended_call(self):
+ result = call(1).foo(2).bar(3, a=4)
+ self.assertEqual(result, ('().foo().bar', (3,), dict(a=4)))
+
+ mock = MagicMock()
+ mock(1, 2, a=3, b=4)
+ self.assertEqual(mock.call_args, call(1, 2, a=3, b=4))
+ self.assertNotEqual(mock.call_args, call(1, 2, 3))
+
+ self.assertEqual(mock.call_args_list, [call(1, 2, a=3, b=4)])
+ self.assertEqual(mock.mock_calls, [call(1, 2, a=3, b=4)])
+
+ mock = MagicMock()
+ mock.foo(1).bar()().baz.beep(a=6)
+
+ last_call = call.foo(1).bar()().baz.beep(a=6)
+ self.assertEqual(mock.mock_calls[-1], last_call)
+ self.assertEqual(mock.mock_calls, last_call.call_list())
+
+
+ def test_call_list(self):
+ mock = MagicMock()
+ mock(1)
+ self.assertEqual(call(1).call_list(), mock.mock_calls)
+
+ mock = MagicMock()
+ mock(1).method(2)
+ self.assertEqual(call(1).method(2).call_list(),
+ mock.mock_calls)
+
+ mock = MagicMock()
+ mock(1).method(2)(3)
+ self.assertEqual(call(1).method(2)(3).call_list(),
+ mock.mock_calls)
+
+ mock = MagicMock()
+ int(mock(1).method(2)(3).foo.bar.baz(4)(5))
+ kall = call(1).method(2)(3).foo.bar.baz(4)(5).__int__()
+ self.assertEqual(kall.call_list(), mock.mock_calls)
+
+
+ def test_call_any(self):
+ self.assertEqual(call, ANY)
+
+ m = MagicMock()
+ int(m)
+ self.assertEqual(m.mock_calls, [ANY])
+ self.assertEqual([ANY], m.mock_calls)
+
+
+ def test_two_args_call(self):
+ args = _Call(((1, 2), {'a': 3}), two=True)
+ self.assertEqual(len(args), 2)
+ self.assertEqual(args[0], (1, 2))
+ self.assertEqual(args[1], {'a': 3})
+
+ other_args = _Call(((1, 2), {'a': 3}))
+ self.assertEqual(args, other_args)
+
+
+class SpecSignatureTest(unittest2.TestCase):
+
+ def _check_someclass_mock(self, mock):
+ self.assertRaises(AttributeError, getattr, mock, 'foo')
+ mock.one(1, 2)
+ mock.one.assert_called_with(1, 2)
+ self.assertRaises(AssertionError,
+ mock.one.assert_called_with, 3, 4)
+ self.assertRaises(TypeError, mock.one, 1)
+
+ mock.two()
+ mock.two.assert_called_with()
+ self.assertRaises(AssertionError,
+ mock.two.assert_called_with, 3)
+ self.assertRaises(TypeError, mock.two, 1)
+
+ mock.three()
+ mock.three.assert_called_with()
+ self.assertRaises(AssertionError,
+ mock.three.assert_called_with, 3)
+ self.assertRaises(TypeError, mock.three, 3, 2)
+
+ mock.three(1)
+ mock.three.assert_called_with(1)
+
+ mock.three(a=1)
+ mock.three.assert_called_with(a=1)
+
+
+ def test_basic(self):
+ for spec in (SomeClass, SomeClass()):
+ mock = create_autospec(spec)
+ self._check_someclass_mock(mock)
+
+
+ def test_create_autospec_return_value(self):
+ def f():
+ pass
+ mock = create_autospec(f, return_value='foo')
+ self.assertEqual(mock(), 'foo')
+
+ class Foo(object):
+ pass
+
+ mock = create_autospec(Foo, return_value='foo')
+ self.assertEqual(mock(), 'foo')
+
+
+ def test_autospec_reset_mock(self):
+ m = create_autospec(int)
+ int(m)
+ m.reset_mock()
+ self.assertEqual(m.__int__.call_count, 0)
+
+
+ def test_mocking_unbound_methods(self):
+ class Foo(object):
+ def foo(self, foo):
+ pass
+ p = patch.object(Foo, 'foo')
+ mock_foo = p.start()
+ Foo().foo(1)
+
+ mock_foo.assert_called_with(1)
+
+
+ @unittest2.expectedFailure
+ def test_create_autospec_unbound_methods(self):
+ # see issue 128
+ class Foo(object):
+ def foo(self):
+ pass
+
+ klass = create_autospec(Foo)
+ instance = klass()
+ self.assertRaises(TypeError, instance.foo, 1)
+
+ # Note: no type checking on the "self" parameter
+ klass.foo(1)
+ klass.foo.assert_called_with(1)
+ self.assertRaises(TypeError, klass.foo)
+
+
+ def test_create_autospec_keyword_arguments(self):
+ class Foo(object):
+ a = 3
+ m = create_autospec(Foo, a='3')
+ self.assertEqual(m.a, '3')
+
+ @unittest2.skipUnless(inPy3k, "Keyword only arguments Python 3 specific")
+ def test_create_autospec_keyword_only_arguments(self):
+ func_def = "def foo(a, *, b=None):\n pass\n"
+ namespace = {}
+ exec (func_def, namespace)
+ foo = namespace['foo']
+
+ m = create_autospec(foo)
+ m(1)
+ m.assert_called_with(1)
+ self.assertRaises(TypeError, m, 1, 2)
+
+ m(2, b=3)
+ m.assert_called_with(2, b=3)
+
+ def test_function_as_instance_attribute(self):
+ obj = SomeClass()
+ def f(a):
+ pass
+ obj.f = f
+
+ mock = create_autospec(obj)
+ mock.f('bing')
+ mock.f.assert_called_with('bing')
+
+
+ def test_spec_as_list(self):
+ # because spec as a list of strings in the mock constructor means
+ # something very different we treat a list instance as the type.
+ mock = create_autospec([])
+ mock.append('foo')
+ mock.append.assert_called_with('foo')
+
+ self.assertRaises(AttributeError, getattr, mock, 'foo')
+
+ class Foo(object):
+ foo = []
+
+ mock = create_autospec(Foo)
+ mock.foo.append(3)
+ mock.foo.append.assert_called_with(3)
+ self.assertRaises(AttributeError, getattr, mock.foo, 'foo')
+
+
+ def test_attributes(self):
+ class Sub(SomeClass):
+ attr = SomeClass()
+
+ sub_mock = create_autospec(Sub)
+
+ for mock in (sub_mock, sub_mock.attr):
+ self._check_someclass_mock(mock)
+
+
+ def test_builtin_functions_types(self):
+ # we could replace builtin functions / methods with a function
+ # with *args / **kwargs signature. Using the builtin method type
+ # as a spec seems to work fairly well though.
+ class BuiltinSubclass(list):
+ def bar(self, arg):
+ pass
+ sorted = sorted
+ attr = {}
+
+ mock = create_autospec(BuiltinSubclass)
+ mock.append(3)
+ mock.append.assert_called_with(3)
+ self.assertRaises(AttributeError, getattr, mock.append, 'foo')
+
+ mock.bar('foo')
+ mock.bar.assert_called_with('foo')
+ self.assertRaises(TypeError, mock.bar, 'foo', 'bar')
+ self.assertRaises(AttributeError, getattr, mock.bar, 'foo')
+
+ mock.sorted([1, 2])
+ mock.sorted.assert_called_with([1, 2])
+ self.assertRaises(AttributeError, getattr, mock.sorted, 'foo')
+
+ mock.attr.pop(3)
+ mock.attr.pop.assert_called_with(3)
+ self.assertRaises(AttributeError, getattr, mock.attr, 'foo')
+
+
+ def test_method_calls(self):
+ class Sub(SomeClass):
+ attr = SomeClass()
+
+ mock = create_autospec(Sub)
+ mock.one(1, 2)
+ mock.two()
+ mock.three(3)
+
+ expected = [call.one(1, 2), call.two(), call.three(3)]
+ self.assertEqual(mock.method_calls, expected)
+
+ mock.attr.one(1, 2)
+ mock.attr.two()
+ mock.attr.three(3)
+
+ expected.extend(
+ [call.attr.one(1, 2), call.attr.two(), call.attr.three(3)]
+ )
+ self.assertEqual(mock.method_calls, expected)
+
+
+ def test_magic_methods(self):
+ class BuiltinSubclass(list):
+ attr = {}
+
+ mock = create_autospec(BuiltinSubclass)
+ self.assertEqual(list(mock), [])
+ self.assertRaises(TypeError, int, mock)
+ self.assertRaises(TypeError, int, mock.attr)
+ self.assertEqual(list(mock), [])
+
+ self.assertIsInstance(mock['foo'], MagicMock)
+ self.assertIsInstance(mock.attr['foo'], MagicMock)
+
+
+ def test_spec_set(self):
+ class Sub(SomeClass):
+ attr = SomeClass()
+
+ for spec in (Sub, Sub()):
+ mock = create_autospec(spec, spec_set=True)
+ self._check_someclass_mock(mock)
+
+ self.assertRaises(AttributeError, setattr, mock, 'foo', 'bar')
+ self.assertRaises(AttributeError, setattr, mock.attr, 'foo', 'bar')
+
+
+ def test_descriptors(self):
+ class Foo(object):
+ @classmethod
+ def f(cls, a, b):
+ pass
+ @staticmethod
+ def g(a, b):
+ pass
+
+ class Bar(Foo):
+ pass
+
+ class Baz(SomeClass, Bar):
+ pass
+
+ for spec in (Foo, Foo(), Bar, Bar(), Baz, Baz()):
+ mock = create_autospec(spec)
+ mock.f(1, 2)
+ mock.f.assert_called_once_with(1, 2)
+
+ mock.g(3, 4)
+ mock.g.assert_called_once_with(3, 4)
+
+
+ @unittest2.skipIf(inPy3k, "No old style classes in Python 3")
+ def test_old_style_classes(self):
+ class Foo:
+ def f(self, a, b):
+ pass
+
+ class Bar(Foo):
+ g = Foo()
+
+ for spec in (Foo, Foo(), Bar, Bar()):
+ mock = create_autospec(spec)
+ mock.f(1, 2)
+ mock.f.assert_called_once_with(1, 2)
+
+ self.assertRaises(AttributeError, getattr, mock, 'foo')
+ self.assertRaises(AttributeError, getattr, mock.f, 'foo')
+
+ mock.g.f(1, 2)
+ mock.g.f.assert_called_once_with(1, 2)
+ self.assertRaises(AttributeError, getattr, mock.g, 'foo')
+
+
+ def test_recursive(self):
+ class A(object):
+ def a(self):
+ pass
+ foo = 'foo bar baz'
+ bar = foo
+
+ A.B = A
+ mock = create_autospec(A)
+
+ mock()
+ self.assertFalse(mock.B.called)
+
+ mock.a()
+ mock.B.a()
+ self.assertEqual(mock.method_calls, [call.a(), call.B.a()])
+
+ self.assertIs(A.foo, A.bar)
+ self.assertIsNot(mock.foo, mock.bar)
+ mock.foo.lower()
+ self.assertRaises(AssertionError, mock.bar.lower.assert_called_with)
+
+
+ def test_spec_inheritance_for_classes(self):
+ class Foo(object):
+ def a(self):
+ pass
+ class Bar(object):
+ def f(self):
+ pass
+
+ class_mock = create_autospec(Foo)
+
+ self.assertIsNot(class_mock, class_mock())
+
+ for this_mock in class_mock, class_mock():
+ this_mock.a()
+ this_mock.a.assert_called_with()
+ self.assertRaises(TypeError, this_mock.a, 'foo')
+ self.assertRaises(AttributeError, getattr, this_mock, 'b')
+
+ instance_mock = create_autospec(Foo())
+ instance_mock.a()
+ instance_mock.a.assert_called_with()
+ self.assertRaises(TypeError, instance_mock.a, 'foo')
+ self.assertRaises(AttributeError, getattr, instance_mock, 'b')
+
+ # The return value isn't isn't callable
+ self.assertRaises(TypeError, instance_mock)
+
+ instance_mock.Bar.f()
+ instance_mock.Bar.f.assert_called_with()
+ self.assertRaises(AttributeError, getattr, instance_mock.Bar, 'g')
+
+ instance_mock.Bar().f()
+ instance_mock.Bar().f.assert_called_with()
+ self.assertRaises(AttributeError, getattr, instance_mock.Bar(), 'g')
+
+
+ def test_inherit(self):
+ class Foo(object):
+ a = 3
+
+ Foo.Foo = Foo
+
+ # class
+ mock = create_autospec(Foo)
+ instance = mock()
+ self.assertRaises(AttributeError, getattr, instance, 'b')
+
+ attr_instance = mock.Foo()
+ self.assertRaises(AttributeError, getattr, attr_instance, 'b')
+
+ # instance
+ mock = create_autospec(Foo())
+ self.assertRaises(AttributeError, getattr, mock, 'b')
+ self.assertRaises(TypeError, mock)
+
+ # attribute instance
+ call_result = mock.Foo()
+ self.assertRaises(AttributeError, getattr, call_result, 'b')
+
+
+ def test_builtins(self):
+ # used to fail with infinite recursion
+ create_autospec(1)
+
+ create_autospec(int)
+ create_autospec('foo')
+ create_autospec(str)
+ create_autospec({})
+ create_autospec(dict)
+ create_autospec([])
+ create_autospec(list)
+ create_autospec(set())
+ create_autospec(set)
+ create_autospec(1.0)
+ create_autospec(float)
+ create_autospec(1j)
+ create_autospec(complex)
+ create_autospec(False)
+ create_autospec(True)
+
+
+ def test_function(self):
+ def f(a, b):
+ pass
+
+ mock = create_autospec(f)
+ self.assertRaises(TypeError, mock)
+ mock(1, 2)
+ mock.assert_called_with(1, 2)
+
+ f.f = f
+ mock = create_autospec(f)
+ self.assertRaises(TypeError, mock.f)
+ mock.f(3, 4)
+ mock.f.assert_called_with(3, 4)
+
+
+ def test_skip_attributeerrors(self):
+ class Raiser(object):
+ def __get__(self, obj, type=None):
+ if obj is None:
+ raise AttributeError('Can only be accessed via an instance')
+
+ class RaiserClass(object):
+ raiser = Raiser()
+
+ @staticmethod
+ def existing(a, b):
+ return a + b
+
+ s = create_autospec(RaiserClass)
+ self.assertRaises(TypeError, lambda x: s.existing(1, 2, 3))
+ s.existing(1, 2)
+ self.assertRaises(AttributeError, lambda: s.nonexisting)
+
+ # check we can fetch the raiser attribute and it has no spec
+ obj = s.raiser
+ obj.foo, obj.bar
+
+
+ def test_signature_class(self):
+ class Foo(object):
+ def __init__(self, a, b=3):
+ pass
+
+ mock = create_autospec(Foo)
+
+ self.assertRaises(TypeError, mock)
+ mock(1)
+ mock.assert_called_once_with(1)
+
+ mock(4, 5)
+ mock.assert_called_with(4, 5)
+
+
+ @unittest2.skipIf(inPy3k, 'no old style classes in Python 3')
+ def test_signature_old_style_class(self):
+ class Foo:
+ def __init__(self, a, b=3):
+ pass
+
+ mock = create_autospec(Foo)
+
+ self.assertRaises(TypeError, mock)
+ mock(1)
+ mock.assert_called_once_with(1)
+
+ mock(4, 5)
+ mock.assert_called_with(4, 5)
+
+
+ def test_class_with_no_init(self):
+ # this used to raise an exception
+ # due to trying to get a signature from object.__init__
+ class Foo(object):
+ pass
+ create_autospec(Foo)
+
+
+ @unittest2.skipIf(inPy3k, 'no old style classes in Python 3')
+ def test_old_style_class_with_no_init(self):
+ # this used to raise an exception
+ # due to Foo.__init__ raising an AttributeError
+ class Foo:
+ pass
+ create_autospec(Foo)
+
+
+ def test_signature_callable(self):
+ class Callable(object):
+ def __init__(self):
+ pass
+ def __call__(self, a):
+ pass
+
+ mock = create_autospec(Callable)
+ mock()
+ mock.assert_called_once_with()
+ self.assertRaises(TypeError, mock, 'a')
+
+ instance = mock()
+ self.assertRaises(TypeError, instance)
+ instance(a='a')
+ instance.assert_called_once_with(a='a')
+ instance('a')
+ instance.assert_called_with('a')
+
+ mock = create_autospec(Callable())
+ mock(a='a')
+ mock.assert_called_once_with(a='a')
+ self.assertRaises(TypeError, mock)
+ mock('a')
+ mock.assert_called_with('a')
+
+
+ def test_signature_noncallable(self):
+ class NonCallable(object):
+ def __init__(self):
+ pass
+
+ mock = create_autospec(NonCallable)
+ instance = mock()
+ mock.assert_called_once_with()
+ self.assertRaises(TypeError, mock, 'a')
+ self.assertRaises(TypeError, instance)
+ self.assertRaises(TypeError, instance, 'a')
+
+ mock = create_autospec(NonCallable())
+ self.assertRaises(TypeError, mock)
+ self.assertRaises(TypeError, mock, 'a')
+
+
+ def test_create_autospec_none(self):
+ class Foo(object):
+ bar = None
+
+ mock = create_autospec(Foo)
+ none = mock.bar
+ self.assertNotIsInstance(none, type(None))
+
+ none.foo()
+ none.foo.assert_called_once_with()
+
+
+ def test_autospec_functions_with_self_in_odd_place(self):
+ class Foo(object):
+ def f(a, self):
+ pass
+
+ a = create_autospec(Foo)
+ a.f(self=10)
+ a.f.assert_called_with(self=10)
+
+
+ def test_autospec_property(self):
+ class Foo(object):
+ @property
+ def foo(self):
+ return 3
+
+ foo = create_autospec(Foo)
+ mock_property = foo.foo
+
+ # no spec on properties
+ self.assertTrue(isinstance(mock_property, MagicMock))
+ mock_property(1, 2, 3)
+ mock_property.abc(4, 5, 6)
+ mock_property.assert_called_once_with(1, 2, 3)
+ mock_property.abc.assert_called_once_with(4, 5, 6)
+
+
+ def test_autospec_slots(self):
+ class Foo(object):
+ __slots__ = ['a']
+
+ foo = create_autospec(Foo)
+ mock_slot = foo.a
+
+ # no spec on slots
+ mock_slot(1, 2, 3)
+ mock_slot.abc(4, 5, 6)
+ mock_slot.assert_called_once_with(1, 2, 3)
+ mock_slot.abc.assert_called_once_with(4, 5, 6)
+
+
+class TestCallList(unittest2.TestCase):
+
+ def test_args_list_contains_call_list(self):
+ mock = Mock()
+ self.assertIsInstance(mock.call_args_list, _CallList)
+
+ mock(1, 2)
+ mock(a=3)
+ mock(3, 4)
+ mock(b=6)
+
+ for kall in call(1, 2), call(a=3), call(3, 4), call(b=6):
+ self.assertTrue(kall in mock.call_args_list)
+
+ calls = [call(a=3), call(3, 4)]
+ self.assertTrue(calls in mock.call_args_list)
+ calls = [call(1, 2), call(a=3)]
+ self.assertTrue(calls in mock.call_args_list)
+ calls = [call(3, 4), call(b=6)]
+ self.assertTrue(calls in mock.call_args_list)
+ calls = [call(3, 4)]
+ self.assertTrue(calls in mock.call_args_list)
+
+ self.assertFalse(call('fish') in mock.call_args_list)
+ self.assertFalse([call('fish')] in mock.call_args_list)
+
+
+ def test_call_list_str(self):
+ mock = Mock()
+ mock(1, 2)
+ mock.foo(a=3)
+ mock.foo.bar().baz('fish', cat='dog')
+
+ expected = (
+ "[call(1, 2),\n"
+ " call.foo(a=3),\n"
+ " call.foo.bar(),\n"
+ " call.foo.bar().baz('fish', cat='dog')]"
+ )
+ self.assertEqual(str(mock.mock_calls), expected)
+
+
+ def test_propertymock(self):
+ p = patch('%s.SomeClass.one' % __name__, new_callable=PropertyMock)
+ mock = p.start()
+ try:
+ SomeClass.one
+ mock.assert_called_once_with()
+
+ s = SomeClass()
+ s.one
+ mock.assert_called_with()
+ self.assertEqual(mock.mock_calls, [call(), call()])
+
+ s.one = 3
+ self.assertEqual(mock.mock_calls, [call(), call(), call(3)])
+ finally:
+ p.stop()
+
+
+ def test_propertymock_returnvalue(self):
+ m = MagicMock()
+ p = PropertyMock()
+ type(m).foo = p
+
+ returned = m.foo
+ p.assert_called_once_with()
+ self.assertIsInstance(returned, MagicMock)
+ self.assertNotIsInstance(returned, PropertyMock)
+
+
+if __name__ == '__main__':
+ unittest2.main()