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Add singleton tests

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This commit is contained in:
Roman Mogilatov 2016-11-10 21:19:17 +02:00
parent 93c8bd6438
commit 07b9a991b3
1 changed files with 215 additions and 228 deletions
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443
tests/unit/providers/test_singletons.py
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@ -21,19 +21,21 @@ class Example(object):
self.attribute2 = None
class SingletonTests(unittest.TestCase):
class _BaseSingletonTestCase(object):
singleton_cls = None
def test_is_provider(self):
self.assertTrue(providers.is_provider(providers.Singleton(Example)))
self.assertTrue(providers.is_provider(self.singleton_cls(Example)))
def test_init_with_callable(self):
self.assertTrue(providers.Singleton(credits))
self.assertTrue(self.singleton_cls(credits))
def test_init_with_not_callable(self):
self.assertRaises(errors.Error, providers.Singleton, 123)
self.assertRaises(errors.Error, self.singleton_cls, 123)
def test_init_with_valid_provided_type(self):
class ExampleProvider(providers.Singleton):
class ExampleProvider(self.singleton_cls):
provided_type = Example
example_provider = ExampleProvider(Example, 1, 2)
@ -41,7 +43,7 @@ class SingletonTests(unittest.TestCase):
self.assertIsInstance(example_provider(), Example)
def test_init_with_valid_provided_subtype(self):
class ExampleProvider(providers.Singleton):
class ExampleProvider(self.singleton_cls):
provided_type = Example
class NewExampe(Example):
@ -52,14 +54,14 @@ class SingletonTests(unittest.TestCase):
self.assertIsInstance(example_provider(), NewExampe)
def test_init_with_invalid_provided_type(self):
class ExampleProvider(providers.Singleton):
class ExampleProvider(self.singleton_cls):
provided_type = Example
with self.assertRaises(errors.Error):
ExampleProvider(list)
def test_call(self):
provider = providers.Singleton(Example)
provider = self.singleton_cls(Example)
instance1 = provider()
instance2 = provider()
@ -69,7 +71,7 @@ class SingletonTests(unittest.TestCase):
self.assertIsInstance(instance2, Example)
def test_call_with_init_positional_args(self):
provider = providers.Singleton(Example, 'i1', 'i2')
provider = self.singleton_cls(Example, 'i1', 'i2')
instance1 = provider()
instance2 = provider()
@ -85,7 +87,7 @@ class SingletonTests(unittest.TestCase):
self.assertIsInstance(instance2, Example)
def test_call_with_init_keyword_args(self):
provider = providers.Singleton(Example, init_arg1='i1', init_arg2='i2')
provider = self.singleton_cls(Example, init_arg1='i1', init_arg2='i2')
instance1 = provider()
instance2 = provider()
@ -101,7 +103,7 @@ class SingletonTests(unittest.TestCase):
self.assertIsInstance(instance2, Example)
def test_call_with_init_positional_and_keyword_args(self):
provider = providers.Singleton(Example, 'i1', init_arg2='i2')
provider = self.singleton_cls(Example, 'i1', init_arg2='i2')
instance1 = provider()
instance2 = provider()
@ -117,7 +119,7 @@ class SingletonTests(unittest.TestCase):
self.assertIsInstance(instance2, Example)
def test_call_with_attributes(self):
provider = providers.Singleton(Example)
provider = self.singleton_cls(Example)
provider.add_attributes(attribute1='a1', attribute2='a2')
instance1 = provider()
@ -134,7 +136,7 @@ class SingletonTests(unittest.TestCase):
self.assertIsInstance(instance2, Example)
def test_call_with_context_args(self):
provider = providers.Singleton(Example)
provider = self.singleton_cls(Example)
instance = provider(11, 22)
@ -142,7 +144,7 @@ class SingletonTests(unittest.TestCase):
self.assertEqual(instance.init_arg2, 22)
def test_call_with_context_kwargs(self):
provider = providers.Singleton(Example, init_arg1=1)
provider = self.singleton_cls(Example, init_arg1=1)
instance1 = provider(init_arg2=22)
self.assertEqual(instance1.init_arg1, 1)
@ -154,7 +156,7 @@ class SingletonTests(unittest.TestCase):
self.assertEqual(instance1.init_arg2, 22)
def test_call_with_context_args_and_kwargs(self):
provider = providers.Singleton(Example, 11)
provider = self.singleton_cls(Example, 11)
instance = provider(22, init_arg3=33, init_arg4=44)
@ -164,7 +166,7 @@ class SingletonTests(unittest.TestCase):
self.assertEqual(instance.init_arg4, 44)
def test_fluent_interface(self):
provider = providers.Singleton(Example) \
provider = self.singleton_cls(Example) \
.add_args(1, 2) \
.add_kwargs(init_arg3=3, init_arg4=4) \
.add_attributes(attribute1=5, attribute2=6)
@ -178,10 +180,46 @@ class SingletonTests(unittest.TestCase):
self.assertEqual(instance.attribute1, 5)
self.assertEqual(instance.attribute2, 6)
def test_set_args(self):
provider = self.singleton_cls(Example) \
.add_args(1, 2) \
.set_args(3, 4)
self.assertEqual(provider.args, tuple([3, 4]))
def test_set_kwargs(self):
provider = self.singleton_cls(Example) \
.add_kwargs(init_arg3=3, init_arg4=4) \
.set_kwargs(init_arg3=4, init_arg4=5)
self.assertEqual(provider.kwargs, dict(init_arg3=4, init_arg4=5))
def test_set_attributes(self):
provider = self.singleton_cls(Example) \
.add_attributes(attribute1=5, attribute2=6) \
.set_attributes(attribute1=6, attribute2=7)
self.assertEqual(provider.attributes, dict(attribute1=6, attribute2=7))
def test_clear_args(self):
provider = self.singleton_cls(Example) \
.add_args(1, 2) \
.clear_args()
self.assertEqual(provider.args, tuple())
def test_clear_kwargs(self):
provider = self.singleton_cls(Example) \
.add_kwargs(init_arg3=3, init_arg4=4) \
.clear_kwargs()
self.assertEqual(provider.kwargs, dict())
def test_clear_attributes(self):
provider = self.singleton_cls(Example) \
.add_attributes(attribute1=5, attribute2=6) \
.clear_attributes()
self.assertEqual(provider.attributes, dict())
def test_call_overridden(self):
provider = providers.Singleton(Example)
overriding_provider1 = providers.Singleton(dict)
overriding_provider2 = providers.Singleton(object)
provider = self.singleton_cls(Example)
overriding_provider1 = self.singleton_cls(dict)
overriding_provider2 = self.singleton_cls(list)
provider.override(overriding_provider1)
provider.override(overriding_provider2)
@ -190,11 +228,102 @@ class SingletonTests(unittest.TestCase):
instance2 = provider()
self.assertIs(instance1, instance2)
self.assertIsInstance(instance1, object)
self.assertIsInstance(instance2, object)
self.assertIsInstance(instance1, list)
self.assertIsInstance(instance2, list)
def test_deepcopy(self):
provider = self.singleton_cls(Example)
provider_copy = providers.deepcopy(provider)
self.assertIsNot(provider, provider_copy)
self.assertIs(provider.cls, provider_copy.cls)
self.assertIsInstance(provider, self.singleton_cls)
def test_deepcopy_from_memo(self):
provider = self.singleton_cls(Example)
provider_copy_memo = self.singleton_cls(Example)
provider_copy = providers.deepcopy(
provider, memo={id(provider): provider_copy_memo})
self.assertIs(provider_copy, provider_copy_memo)
def test_deepcopy_args(self):
provider = self.singleton_cls(Example)
dependent_provider1 = self.singleton_cls(list)
dependent_provider2 = self.singleton_cls(dict)
provider.add_args(dependent_provider1, dependent_provider2)
provider_copy = providers.deepcopy(provider)
dependent_provider_copy1 = provider_copy.args[0]
dependent_provider_copy2 = provider_copy.args[1]
self.assertNotEqual(provider.args, provider_copy.args)
self.assertIs(dependent_provider1.cls, dependent_provider_copy1.cls)
self.assertIsNot(dependent_provider1, dependent_provider_copy1)
self.assertIs(dependent_provider2.cls, dependent_provider_copy2.cls)
self.assertIsNot(dependent_provider2, dependent_provider_copy2)
def test_deepcopy_kwargs(self):
provider = self.singleton_cls(Example)
dependent_provider1 = self.singleton_cls(list)
dependent_provider2 = self.singleton_cls(dict)
provider.add_kwargs(a1=dependent_provider1, a2=dependent_provider2)
provider_copy = providers.deepcopy(provider)
dependent_provider_copy1 = provider_copy.kwargs['a1']
dependent_provider_copy2 = provider_copy.kwargs['a2']
self.assertNotEqual(provider.kwargs, provider_copy.kwargs)
self.assertIs(dependent_provider1.cls, dependent_provider_copy1.cls)
self.assertIsNot(dependent_provider1, dependent_provider_copy1)
self.assertIs(dependent_provider2.cls, dependent_provider_copy2.cls)
self.assertIsNot(dependent_provider2, dependent_provider_copy2)
def test_deepcopy_attributes(self):
provider = self.singleton_cls(Example)
dependent_provider1 = self.singleton_cls(list)
dependent_provider2 = self.singleton_cls(dict)
provider.add_attributes(a1=dependent_provider1, a2=dependent_provider2)
provider_copy = providers.deepcopy(provider)
dependent_provider_copy1 = provider_copy.attributes['a1']
dependent_provider_copy2 = provider_copy.attributes['a2']
self.assertNotEqual(provider.attributes, provider_copy.attributes)
self.assertIs(dependent_provider1.cls, dependent_provider_copy1.cls)
self.assertIsNot(dependent_provider1, dependent_provider_copy1)
self.assertIs(dependent_provider2.cls, dependent_provider_copy2.cls)
self.assertIsNot(dependent_provider2, dependent_provider_copy2)
def test_deepcopy_overridden(self):
provider = self.singleton_cls(Example)
object_provider = providers.Object(object())
provider.override(object_provider)
provider_copy = providers.deepcopy(provider)
object_provider_copy = provider_copy.overridden[0]
self.assertIsNot(provider, provider_copy)
self.assertIs(provider.cls, provider_copy.cls)
self.assertIsInstance(provider, self.singleton_cls)
self.assertIsNot(object_provider, object_provider_copy)
self.assertIsInstance(object_provider_copy, providers.Object)
def test_reset(self):
provider = providers.Singleton(object)
provider = self.singleton_cls(object)
instance1 = provider()
self.assertIsInstance(instance1, object)
@ -206,8 +335,13 @@ class SingletonTests(unittest.TestCase):
self.assertIsNot(instance1, instance2)
class SingletonTests(_BaseSingletonTestCase, unittest.TestCase):
singleton_cls = providers.Singleton
def test_repr(self):
provider = providers.Singleton(Example)
provider = self.singleton_cls(Example)
self.assertEqual(repr(provider),
'<dependency_injector.providers.singletons.'
@ -216,210 +350,27 @@ class SingletonTests(unittest.TestCase):
hex(id(provider))))
class DelegatedSingletonTests(unittest.TestCase):
class DelegatedSingletonTests(_BaseSingletonTestCase, unittest.TestCase):
def test_inheritance(self):
self.assertIsInstance(providers.DelegatedSingleton(object),
providers.Singleton)
def test_is_provider(self):
self.assertTrue(
providers.is_provider(providers.DelegatedSingleton(object)))
singleton_cls = providers.DelegatedSingleton
def test_is_delegated_provider(self):
provider = providers.DelegatedSingleton(object)
provider = self.singleton_cls(object)
self.assertTrue(providers.is_delegated(provider))
def test_repr(self):
provider = self.singleton_cls(Example)
class ThreadLocalSingletonTests(unittest.TestCase):
self.assertEqual(repr(provider),
'<dependency_injector.providers.singletons.'
'DelegatedSingleton({0}) at {1}>'.format(
repr(Example),
hex(id(provider))))
def test_is_provider(self):
self.assertTrue(
providers.is_provider(providers.ThreadLocalSingleton(Example)))
def test_init_with_callable(self):
self.assertTrue(providers.ThreadLocalSingleton(credits))
class ThreadLocalSingletonTests(_BaseSingletonTestCase, unittest.TestCase):
def test_init_with_not_callable(self):
self.assertRaises(errors.Error, providers.ThreadLocalSingleton, 123)
def test_init_with_valid_provided_type(self):
class ExampleProvider(providers.ThreadLocalSingleton):
provided_type = Example
example_provider = ExampleProvider(Example, 1, 2)
self.assertIsInstance(example_provider(), Example)
def test_init_with_valid_provided_subtype(self):
class ExampleProvider(providers.ThreadLocalSingleton):
provided_type = Example
class NewExampe(Example):
pass
example_provider = ExampleProvider(NewExampe, 1, 2)
self.assertIsInstance(example_provider(), NewExampe)
def test_init_with_invalid_provided_type(self):
class ExampleProvider(providers.ThreadLocalSingleton):
provided_type = Example
with self.assertRaises(errors.Error):
ExampleProvider(list)
def test_call(self):
provider = providers.ThreadLocalSingleton(Example)
instance1 = provider()
instance2 = provider()
self.assertIs(instance1, instance2)
self.assertIsInstance(instance1, Example)
self.assertIsInstance(instance2, Example)
def test_call_with_init_positional_args(self):
provider = providers.ThreadLocalSingleton(Example, 'i1', 'i2')
instance1 = provider()
instance2 = provider()
self.assertEqual(instance1.init_arg1, 'i1')
self.assertEqual(instance1.init_arg2, 'i2')
self.assertEqual(instance2.init_arg1, 'i1')
self.assertEqual(instance2.init_arg2, 'i2')
self.assertIs(instance1, instance2)
self.assertIsInstance(instance1, Example)
self.assertIsInstance(instance2, Example)
def test_call_with_init_keyword_args(self):
provider = providers.ThreadLocalSingleton(Example,
init_arg1='i1',
init_arg2='i2')
instance1 = provider()
instance2 = provider()
self.assertEqual(instance1.init_arg1, 'i1')
self.assertEqual(instance1.init_arg2, 'i2')
self.assertEqual(instance2.init_arg1, 'i1')
self.assertEqual(instance2.init_arg2, 'i2')
self.assertIs(instance1, instance2)
self.assertIsInstance(instance1, Example)
self.assertIsInstance(instance2, Example)
def test_call_with_init_positional_and_keyword_args(self):
provider = providers.ThreadLocalSingleton(Example,
'i1',
init_arg2='i2')
instance1 = provider()
instance2 = provider()
self.assertEqual(instance1.init_arg1, 'i1')
self.assertEqual(instance1.init_arg2, 'i2')
self.assertEqual(instance2.init_arg1, 'i1')
self.assertEqual(instance2.init_arg2, 'i2')
self.assertIs(instance1, instance2)
self.assertIsInstance(instance1, Example)
self.assertIsInstance(instance2, Example)
def test_call_with_attributes(self):
provider = providers.ThreadLocalSingleton(Example)
provider.add_attributes(attribute1='a1', attribute2='a2')
instance1 = provider()
instance2 = provider()
self.assertEqual(instance1.attribute1, 'a1')
self.assertEqual(instance1.attribute2, 'a2')
self.assertEqual(instance2.attribute1, 'a1')
self.assertEqual(instance2.attribute2, 'a2')
self.assertIs(instance1, instance2)
self.assertIsInstance(instance1, Example)
self.assertIsInstance(instance2, Example)
def test_call_with_context_args(self):
provider = providers.ThreadLocalSingleton(Example)
instance = provider(11, 22)
self.assertEqual(instance.init_arg1, 11)
self.assertEqual(instance.init_arg2, 22)
def test_call_with_context_kwargs(self):
provider = providers.ThreadLocalSingleton(Example, init_arg1=1)
instance1 = provider(init_arg2=22)
self.assertEqual(instance1.init_arg1, 1)
self.assertEqual(instance1.init_arg2, 22)
# Instance is created earlier
instance1 = provider(init_arg1=11, init_arg2=22)
self.assertEqual(instance1.init_arg1, 1)
self.assertEqual(instance1.init_arg2, 22)
def test_call_with_context_args_and_kwargs(self):
provider = providers.ThreadLocalSingleton(Example, 11)
instance = provider(22, init_arg3=33, init_arg4=44)
self.assertEqual(instance.init_arg1, 11)
self.assertEqual(instance.init_arg2, 22)
self.assertEqual(instance.init_arg3, 33)
self.assertEqual(instance.init_arg4, 44)
def test_fluent_interface(self):
provider = providers.ThreadLocalSingleton(Example) \
.add_args(1, 2) \
.add_kwargs(init_arg3=3, init_arg4=4) \
.add_attributes(attribute1=5, attribute2=6)
instance = provider()
self.assertEqual(instance.init_arg1, 1)
self.assertEqual(instance.init_arg2, 2)
self.assertEqual(instance.init_arg3, 3)
self.assertEqual(instance.init_arg4, 4)
self.assertEqual(instance.attribute1, 5)
self.assertEqual(instance.attribute2, 6)
def test_call_overridden(self):
provider = providers.ThreadLocalSingleton(Example)
overriding_provider1 = providers.ThreadLocalSingleton(dict)
overriding_provider2 = providers.ThreadLocalSingleton(object)
provider.override(overriding_provider1)
provider.override(overriding_provider2)
instance1 = provider()
instance2 = provider()
self.assertIs(instance1, instance2)
self.assertIsInstance(instance1, object)
self.assertIsInstance(instance2, object)
def test_reset(self):
provider = providers.ThreadLocalSingleton(object)
instance1 = provider()
self.assertIsInstance(instance1, object)
provider.reset()
instance2 = provider()
self.assertIsInstance(instance1, object)
self.assertIsNot(instance1, instance2)
singleton_cls = providers.ThreadLocalSingleton
def test_repr(self):
provider = providers.ThreadLocalSingleton(Example)
@ -431,17 +382,53 @@ class ThreadLocalSingletonTests(unittest.TestCase):
hex(id(provider))))
class DelegatedThreadLocalSingletonTests(unittest.TestCase):
class DelegatedThreadLocalSingletonTests(_BaseSingletonTestCase,
unittest.TestCase):
def test_inheritance(self):
self.assertIsInstance(providers.DelegatedThreadLocalSingleton(object),
providers.ThreadLocalSingleton)
def test_is_provider(self):
self.assertTrue(
providers.is_provider(
providers.DelegatedThreadLocalSingleton(object)))
singleton_cls = providers.DelegatedThreadLocalSingleton
def test_is_delegated_provider(self):
provider = providers.DelegatedThreadLocalSingleton(object)
provider = self.singleton_cls(object)
self.assertTrue(providers.is_delegated(provider))
def test_repr(self):
provider = self.singleton_cls(Example)
self.assertEqual(repr(provider),
'<dependency_injector.providers.singletons.'
'DelegatedThreadLocalSingleton({0}) at {1}>'.format(
repr(Example),
hex(id(provider))))
class ThreadSafeSingletonTests(_BaseSingletonTestCase, unittest.TestCase):
singleton_cls = providers.ThreadSafeSingleton
def test_repr(self):
provider = self.singleton_cls(Example)
self.assertEqual(repr(provider),
'<dependency_injector.providers.singletons.'
'ThreadSafeSingleton({0}) at {1}>'.format(
repr(Example),
hex(id(provider))))
class DelegatedThreadSafeSingletonTests(_BaseSingletonTestCase,
unittest.TestCase):
singleton_cls = providers.DelegatedThreadSafeSingleton
def test_is_delegated_provider(self):
provider = self.singleton_cls(object)
self.assertTrue(providers.is_delegated(provider))
def test_repr(self):
provider = self.singleton_cls(Example)
self.assertEqual(repr(provider),
'<dependency_injector.providers.singletons.'
'DelegatedThreadSafeSingleton({0}) at {1}>'.format(
repr(Example),
hex(id(provider))))