Migrate singleton tests

tests/unit/providers/singleton/__init__.py

@@ -0,0 +1 @@
+"""Singleton provider tests."""

tests/unit/providers/singleton/common.py

@@ -0,0 +1,13 @@
+"""Common test artifacts."""
+
+
+class Example:
+
+    def __init__(self, init_arg1=None, init_arg2=None, init_arg3=None, init_arg4=None):
+        self.init_arg1 = init_arg1
+        self.init_arg2 = init_arg2
+        self.init_arg3 = init_arg3
+        self.init_arg4 = init_arg4
+
+        self.attribute1 = None
+        self.attribute2 = None

tests/unit/providers/singleton/test_abstract_singleton_py2_py3.py

@@ -0,0 +1,63 @@
+"""AbstractSingleton provider tests."""
+
+from dependency_injector import providers, errors
+from pytest import raises
+
+from .common import Example
+
+
+def test_inheritance():
+    assert isinstance(providers.AbstractSingleton(Example), providers.BaseSingleton)
+
+
+def test_call_overridden_by_singleton():
+    provider = providers.AbstractSingleton(object)
+    provider.override(providers.Singleton(Example))
+    assert isinstance(provider(), Example)
+
+
+def test_call_overridden_by_delegated_singleton():
+    provider = providers.AbstractSingleton(object)
+    provider.override(providers.DelegatedSingleton(Example))
+    assert isinstance(provider(), Example)
+
+
+def test_call_not_overridden():
+    provider = providers.AbstractSingleton(object)
+    with raises(errors.Error):
+        provider()
+
+
+def test_reset_overridden():
+    provider = providers.AbstractSingleton(object)
+    provider.override(providers.Singleton(Example))
+
+    instance1 = provider()
+
+    provider.reset()
+
+    instance2 = provider()
+
+    assert instance1 is not instance2
+    assert isinstance(instance1, Example)
+    assert isinstance(instance2, Example)
+
+
+def test_reset_not_overridden():
+    provider = providers.AbstractSingleton(object)
+    with raises(errors.Error):
+        provider.reset()
+
+
+def test_override_by_not_singleton():
+    provider = providers.AbstractSingleton(object)
+    with raises(errors.Error):
+        provider.override(providers.Factory(object))
+
+
+def test_repr():
+    provider = providers.AbstractSingleton(Example)
+    assert repr(provider) == (
+        "<dependency_injector.providers."
+        "AbstractSingleton({0}) at {1}>".format(repr(Example), hex(id(provider)))
+    )

tests/unit/providers/singleton/test_delegated_singleton_py2_py3.py

@@ -0,0 +1,27 @@
+"""Delegated singleton provider tests."""
+
+from dependency_injector import providers
+from pytest import fixture
+
+from .common import Example
+
+
+PROVIDER_CLASSES = [
+    providers.DelegatedSingleton,
+    providers.DelegatedThreadLocalSingleton,
+    providers.DelegatedThreadSafeSingleton,
+]
+
+
+@fixture(params=PROVIDER_CLASSES)
+def singleton_cls(request):
+    return request.param
+
+
+@fixture
+def provider(singleton_cls):
+    return singleton_cls(Example)
+
+
+def test_is_delegated_provider(provider):
+    assert providers.is_delegated(provider) is True

tests/unit/providers/singleton/test_singleton_delegate_py2_py3.py

@@ -0,0 +1,23 @@
+"""SingletonDelegate provider tests."""
+
+from dependency_injector import providers, errors
+from pytest import fixture, raises
+
+
+@fixture
+def provider():
+    return providers.Singleton(object)
+
+
+@fixture
+def delegate(provider):
+    return providers.SingletonDelegate(provider)
+
+
+def test_is_delegate(delegate):
+    assert isinstance(delegate, providers.Delegate)
+
+
+def test_init_with_not_factory():
+    with raises(errors.Error):
+        providers.SingletonDelegate(providers.Object(object()))

tests/unit/providers/singleton/test_singleton_py2_py3.py

@@ -0,0 +1,470 @@
+"""Singleton provider tests."""
+
+import sys
+
+from dependency_injector import providers, errors
+from pytest import fixture, raises
+
+from .common import Example
+
+
+PROVIDER_CLASSES = [
+    providers.Singleton,
+    providers.DelegatedSingleton,
+    providers.ThreadLocalSingleton,
+    providers.DelegatedThreadLocalSingleton,
+    providers.ThreadSafeSingleton,
+    providers.DelegatedThreadSafeSingleton,
+]
+if sys.version_info >= (3, 5):
+    PROVIDER_CLASSES.append(providers.ContextLocalSingleton)
+
+
+@fixture(params=PROVIDER_CLASSES)
+def singleton_cls(request):
+    return request.param
+
+
+@fixture
+def provider(singleton_cls):
+    return singleton_cls(Example)
+
+
+def test_is_provider(provider):
+    assert providers.is_provider(provider) is True
+
+
+def test_init_with_not_callable(singleton_cls):
+    with raises(errors.Error):
+        singleton_cls(123)
+
+
+def test_init_optional_provides(provider):
+    provider.set_provides(object)
+    assert provider.provides is object
+    assert isinstance(provider(), object)
+
+
+def test_set_provides_returns_self(provider):
+    assert provider.set_provides(object) is provider
+
+
+def test_init_with_valid_provided_type(singleton_cls):
+    class ExampleProvider(singleton_cls):
+        provided_type = Example
+
+    example_provider = ExampleProvider(Example, 1, 2)
+    assert isinstance(example_provider(), Example)
+
+
+def test_init_with_valid_provided_subtype(singleton_cls):
+    class ExampleProvider(singleton_cls):
+        provided_type = Example
+
+    class NewExample(Example):
+        pass
+
+    example_provider = ExampleProvider(NewExample, 1, 2)
+    assert isinstance(example_provider(), NewExample)
+
+
+def test_init_with_invalid_provided_type(singleton_cls):
+    class ExampleProvider(singleton_cls):
+        provided_type = Example
+
+    with raises(errors.Error):
+        ExampleProvider(list)
+
+
+def test_provided_instance_provider(provider):
+    assert isinstance(provider.provided, providers.ProvidedInstance)
+
+
+def test_call(provider):
+    instance1 = provider()
+    instance2 = provider()
+
+    assert instance1 is instance2
+    assert isinstance(instance1, Example)
+    assert isinstance(instance2, Example)
+
+
+def test_call_with_init_positional_args(singleton_cls):
+    provider = singleton_cls(Example, "i1", "i2")
+
+    instance1 = provider()
+    instance2 = provider()
+
+    assert instance1.init_arg1 == "i1"
+    assert instance1.init_arg2 == "i2"
+
+    assert instance2.init_arg1 == "i1"
+    assert instance2.init_arg2 == "i2"
+
+    assert instance1 is instance2
+    assert isinstance(instance1, Example)
+    assert isinstance(instance2, Example)
+
+
+def test_call_with_init_keyword_args(singleton_cls):
+    provider = singleton_cls(Example, init_arg1="i1", init_arg2="i2")
+
+    instance1 = provider()
+    instance2 = provider()
+
+    assert instance1.init_arg1 == "i1"
+    assert instance1.init_arg2 == "i2"
+
+    assert instance2.init_arg1 == "i1"
+    assert instance2.init_arg2 == "i2"
+
+    assert instance1 is instance2
+    assert isinstance(instance1, Example)
+    assert isinstance(instance2, Example)
+
+
+def test_call_with_init_positional_and_keyword_args(singleton_cls):
+    provider = singleton_cls(Example, "i1", init_arg2="i2")
+
+    instance1 = provider()
+    instance2 = provider()
+
+    assert instance1.init_arg1 == "i1"
+    assert instance1.init_arg2 == "i2"
+
+    assert instance2.init_arg1 == "i1"
+    assert instance2.init_arg2 == "i2"
+
+    assert instance1 is instance2
+    assert isinstance(instance1, Example)
+    assert isinstance(instance2, Example)
+
+
+def test_call_with_attributes(provider):
+    provider.add_attributes(attribute1="a1", attribute2="a2")
+
+    instance1 = provider()
+    instance2 = provider()
+
+    assert instance1.attribute1 == "a1"
+    assert instance1.attribute2 == "a2"
+
+    assert instance2.attribute1 == "a1"
+    assert instance2.attribute2 == "a2"
+
+    assert instance1 is instance2
+    assert isinstance(instance1, Example)
+    assert isinstance(instance2, Example)
+
+
+def test_call_with_context_args(provider):
+    instance = provider(11, 22)
+
+    assert instance.init_arg1 == 11
+    assert instance.init_arg2 == 22
+
+
+def test_call_with_context_kwargs(singleton_cls):
+    provider = singleton_cls(Example, init_arg1=1)
+
+    instance1 = provider(init_arg2=22)
+    assert instance1.init_arg1 == 1
+    assert instance1.init_arg2 == 22
+
+    # Instance is created earlier
+    instance1 = provider(init_arg1=11, init_arg2=22)
+    assert instance1.init_arg1 == 1
+    assert instance1.init_arg2 == 22
+
+
+def test_call_with_context_args_and_kwargs(singleton_cls):
+    provider = singleton_cls(Example, 11)
+
+    instance = provider(22, init_arg3=33, init_arg4=44)
+
+    assert instance.init_arg1 == 11
+    assert instance.init_arg2 == 22
+    assert instance.init_arg3 == 33
+    assert instance.init_arg4 == 44
+
+
+def test_fluent_interface(singleton_cls):
+    provider = singleton_cls(Example) \
+        .add_args(1, 2) \
+        .add_kwargs(init_arg3=3, init_arg4=4) \
+        .add_attributes(attribute1=5, attribute2=6)
+
+    instance = provider()
+
+    assert instance.init_arg1 == 1
+    assert instance.init_arg2 == 2
+    assert instance.init_arg3 == 3
+    assert instance.init_arg4 == 4
+    assert instance.attribute1 == 5
+    assert instance.attribute2 == 6
+
+
+def test_set_args(singleton_cls):
+    provider = singleton_cls(Example) \
+        .add_args(1, 2) \
+        .set_args(3, 4)
+    assert provider.args == (3, 4)
+
+
+def test_set_kwargs(singleton_cls):
+    provider = singleton_cls(Example) \
+        .add_kwargs(init_arg3=3, init_arg4=4) \
+        .set_kwargs(init_arg3=4, init_arg4=5)
+    assert provider.kwargs == dict(init_arg3=4, init_arg4=5)
+
+
+def test_set_attributes(singleton_cls):
+    provider = singleton_cls(Example) \
+        .add_attributes(attribute1=5, attribute2=6) \
+        .set_attributes(attribute1=6, attribute2=7)
+    assert provider.attributes == dict(attribute1=6, attribute2=7)
+
+
+def test_clear_args(singleton_cls):
+    provider = singleton_cls(Example) \
+        .add_args(1, 2) \
+        .clear_args()
+    assert provider.args == tuple()
+
+
+def test_clear_kwargs(singleton_cls):
+    provider = singleton_cls(Example) \
+        .add_kwargs(init_arg3=3, init_arg4=4) \
+        .clear_kwargs()
+    assert provider.kwargs == dict()
+
+
+def test_clear_attributes(singleton_cls):
+    provider = singleton_cls(Example) \
+        .add_attributes(attribute1=5, attribute2=6) \
+        .clear_attributes()
+    assert provider.attributes == dict()
+
+
+def test_call_overridden(singleton_cls):
+    provider = singleton_cls(Example)
+    overriding_provider1 = singleton_cls(dict)
+    overriding_provider2 = singleton_cls(list)
+
+    provider.override(overriding_provider1)
+    provider.override(overriding_provider2)
+
+    instance1 = provider()
+    instance2 = provider()
+
+    assert instance1 is instance2
+    assert isinstance(instance1, list)
+    assert isinstance(instance2, list)
+
+
+def test_deepcopy(singleton_cls):
+    provider = singleton_cls(Example)
+    provider_copy = providers.deepcopy(provider)
+
+    assert provider is not provider_copy
+    assert provider.cls is provider_copy.cls
+    assert isinstance(provider, singleton_cls)
+
+
+def test_deepcopy_from_memo(singleton_cls):
+    provider = singleton_cls(Example)
+    provider_copy_memo = singleton_cls(Example)
+
+    provider_copy = providers.deepcopy(provider, memo={id(provider): provider_copy_memo})
+    assert provider_copy is provider_copy_memo
+
+
+def test_deepcopy_args(singleton_cls):
+    provider = singleton_cls(Example)
+    dependent_provider1 = singleton_cls(list)
+    dependent_provider2 = 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]
+
+    assert provider.args != provider_copy.args
+
+    assert dependent_provider1.cls is dependent_provider_copy1.cls
+    assert dependent_provider1 is not dependent_provider_copy1
+
+    assert dependent_provider2.cls is dependent_provider_copy2.cls
+    assert dependent_provider2 is not dependent_provider_copy2
+
+
+def test_deepcopy_kwargs(singleton_cls):
+    provider = singleton_cls(Example)
+    dependent_provider1 = singleton_cls(list)
+    dependent_provider2 = 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"]
+
+    assert provider.kwargs != provider_copy.kwargs
+
+    assert dependent_provider1.cls is dependent_provider_copy1.cls
+    assert dependent_provider1 is not dependent_provider_copy1
+
+    assert dependent_provider2.cls is dependent_provider_copy2.cls
+    assert dependent_provider2 is not dependent_provider_copy2
+
+
+def test_deepcopy_attributes(singleton_cls):
+    provider = singleton_cls(Example)
+    dependent_provider1 = singleton_cls(list)
+    dependent_provider2 = 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"]
+
+    assert provider.attributes != provider_copy.attributes
+
+    assert dependent_provider1.cls is dependent_provider_copy1.cls
+    assert dependent_provider1 is not dependent_provider_copy1
+
+    assert dependent_provider2.cls is dependent_provider_copy2.cls
+    assert dependent_provider2 is not dependent_provider_copy2
+
+
+def test_deepcopy_overridden(singleton_cls):
+    provider = singleton_cls(Example)
+    object_provider = providers.Object(object())
+
+    provider.override(object_provider)
+
+    provider_copy = providers.deepcopy(provider)
+    object_provider_copy = provider_copy.overridden[0]
+
+    assert provider is not provider_copy
+    assert provider.cls is provider_copy.cls
+    assert isinstance(provider, singleton_cls)
+
+    assert object_provider is not object_provider_copy
+    assert isinstance(object_provider_copy, providers.Object)
+
+
+def test_deepcopy_with_sys_streams(singleton_cls):
+    provider = singleton_cls(Example)
+    provider.add_args(sys.stdin)
+    provider.add_kwargs(a2=sys.stdout)
+    provider.add_attributes(a3=sys.stderr)
+
+    provider_copy = providers.deepcopy(provider)
+
+    assert provider is not provider_copy
+    assert isinstance(provider_copy, singleton_cls)
+    assert provider.args[0] is sys.stdin
+    assert provider.kwargs["a2"] is sys.stdout
+    assert provider.attributes["a3"] is sys.stderr
+
+
+def test_reset(singleton_cls):
+    provider = singleton_cls(object)
+
+    instance1 = provider()
+    assert isinstance(instance1, object)
+
+    provider.reset()
+
+    instance2 = provider()
+    assert isinstance(instance2, object)
+    assert instance1 is not instance2
+
+
+def test_reset_clean(provider):
+    instance1 = provider()
+
+    provider.reset()
+    provider.reset()
+
+    instance2 = provider()
+    assert instance1 is not instance2
+
+
+def test_reset_with_singleton(singleton_cls):
+    dependent_singleton = providers.Singleton(object)
+    provider = singleton_cls(dict, dependency=dependent_singleton)
+
+    dependent_instance = dependent_singleton()
+    instance1 = provider()
+    assert instance1["dependency"] is dependent_instance
+
+    provider.reset()
+
+    instance2 = provider()
+    assert instance2["dependency"] is dependent_instance
+    assert instance1 is not instance2
+
+
+def test_reset_context_manager(provider):
+    instance1 = provider()
+    with provider.reset():
+        instance2 = provider()
+    instance3 = provider()
+    assert len({instance1, instance2, instance3}) == 3
+
+
+def test_reset_context_manager_as_attribute(provider):
+    with provider.reset() as alias:
+        pass
+    assert provider is alias
+
+
+def test_full_reset(singleton_cls):
+    dependent_singleton = providers.Singleton(object)
+    provider = singleton_cls(dict, dependency=dependent_singleton)
+
+    dependent_instance1 = dependent_singleton()
+    instance1 = provider()
+    assert instance1["dependency"] is dependent_instance1
+
+    provider.full_reset()
+
+    dependent_instance2 = dependent_singleton()
+    instance2 = provider()
+    assert instance2["dependency"] is not dependent_instance1
+    assert dependent_instance1 is not dependent_instance2
+    assert instance1 is not instance2
+
+
+def test_full_reset_context_manager(singleton_cls):
+    class Item:
+        def __init__(self, dependency):
+            self.dependency = dependency
+
+    dependent_singleton = providers.Singleton(object)
+    singleton = singleton_cls(Item, dependency=dependent_singleton)
+
+    instance1 = singleton()
+    with singleton.full_reset():
+        instance2 = singleton()
+    instance3 = singleton()
+
+    assert len({instance1, instance2, instance3}) == 3
+    assert len({instance1.dependency, instance2.dependency, instance3.dependency}) == 3
+
+
+def test_full_reset_context_manager_as_attribute(provider):
+    with provider.full_reset() as alias:
+        pass
+    assert provider is alias
+
+
+def test_repr(provider):
+    assert repr(provider) == (
+        "<dependency_injector.providers."
+        "{0}({1}) at {2}>".format(provider.__class__.__name__, repr(Example), hex(id(provider)))
+    )

tests/unit/providers/singleton_common.py

@@ -1,429 +0,0 @@
-import sys
-
-from dependency_injector import providers, errors
-from pytest import raises
-
-
-class Example(object):
-
-    def __init__(self, init_arg1=None, init_arg2=None, init_arg3=None,
-                 init_arg4=None):
-        self.init_arg1 = init_arg1
-        self.init_arg2 = init_arg2
-        self.init_arg3 = init_arg3
-        self.init_arg4 = init_arg4
-
-        self.attribute1 = None
-        self.attribute2 = None
-
-
-class _BaseSingletonTestCase(object):
-
-    singleton_cls = None
-
-    def test_is_provider(self):
-        assert providers.is_provider(self.singleton_cls(Example)) is True
-
-    def test_init_with_not_callable(self):
-        with raises(errors.Error):
-            self.singleton_cls(123)
-
-    def test_init_optional_provides(self):
-        provider = self.singleton_cls()
-        provider.set_provides(object)
-        assert provider.provides is object
-        assert isinstance(provider(), object)
-
-    def test_set_provides_returns_self(self):
-        provider = self.singleton_cls()
-        assert provider.set_provides(object) is provider
-
-    def test_init_with_valid_provided_type(self):
-        class ExampleProvider(self.singleton_cls):
-            provided_type = Example
-
-        example_provider = ExampleProvider(Example, 1, 2)
-
-        assert isinstance(example_provider(), Example)
-
-    def test_init_with_valid_provided_subtype(self):
-        class ExampleProvider(self.singleton_cls):
-            provided_type = Example
-
-        class NewExampe(Example):
-            pass
-
-        example_provider = ExampleProvider(NewExampe, 1, 2)
-
-        assert isinstance(example_provider(), NewExampe)
-
-    def test_init_with_invalid_provided_type(self):
-        class ExampleProvider(self.singleton_cls):
-            provided_type = Example
-
-        with raises(errors.Error):
-            ExampleProvider(list)
-
-    def test_provided_instance_provider(self):
-        provider = providers.Singleton(Example)
-        assert isinstance(provider.provided, providers.ProvidedInstance)
-
-    def test_call(self):
-        provider = self.singleton_cls(Example)
-
-        instance1 = provider()
-        instance2 = provider()
-
-        assert instance1 is instance2
-        assert isinstance(instance1, Example)
-        assert isinstance(instance2, Example)
-
-    def test_call_with_init_positional_args(self):
-        provider = self.singleton_cls(Example, "i1", "i2")
-
-        instance1 = provider()
-        instance2 = provider()
-
-        assert instance1.init_arg1 == "i1"
-        assert instance1.init_arg2 == "i2"
-
-        assert instance2.init_arg1 == "i1"
-        assert instance2.init_arg2 == "i2"
-
-        assert instance1 is instance2
-        assert isinstance(instance1, Example)
-        assert isinstance(instance2, Example)
-
-    def test_call_with_init_keyword_args(self):
-        provider = self.singleton_cls(Example, init_arg1="i1", init_arg2="i2")
-
-        instance1 = provider()
-        instance2 = provider()
-
-        assert instance1.init_arg1 == "i1"
-        assert instance1.init_arg2 == "i2"
-
-        assert instance2.init_arg1 == "i1"
-        assert instance2.init_arg2 == "i2"
-
-        assert instance1 is instance2
-        assert isinstance(instance1, Example)
-        assert isinstance(instance2, Example)
-
-    def test_call_with_init_positional_and_keyword_args(self):
-        provider = self.singleton_cls(Example, "i1", init_arg2="i2")
-
-        instance1 = provider()
-        instance2 = provider()
-
-        assert instance1.init_arg1 == "i1"
-        assert instance1.init_arg2 == "i2"
-
-        assert instance2.init_arg1 == "i1"
-        assert instance2.init_arg2 == "i2"
-
-        assert instance1 is instance2
-        assert isinstance(instance1, Example)
-        assert isinstance(instance2, Example)
-
-    def test_call_with_attributes(self):
-        provider = self.singleton_cls(Example)
-        provider.add_attributes(attribute1="a1", attribute2="a2")
-
-        instance1 = provider()
-        instance2 = provider()
-
-        assert instance1.attribute1 == "a1"
-        assert instance1.attribute2 == "a2"
-
-        assert instance2.attribute1 == "a1"
-        assert instance2.attribute2 == "a2"
-
-        assert instance1 is instance2
-        assert isinstance(instance1, Example)
-        assert isinstance(instance2, Example)
-
-    def test_call_with_context_args(self):
-        provider = self.singleton_cls(Example)
-
-        instance = provider(11, 22)
-
-        assert instance.init_arg1 == 11
-        assert instance.init_arg2 == 22
-
-    def test_call_with_context_kwargs(self):
-        provider = self.singleton_cls(Example, init_arg1=1)
-
-        instance1 = provider(init_arg2=22)
-        assert instance1.init_arg1 == 1
-        assert instance1.init_arg2 == 22
-
-        # Instance is created earlier
-        instance1 = provider(init_arg1=11, init_arg2=22)
-        assert instance1.init_arg1 == 1
-        assert instance1.init_arg2 == 22
-
-    def test_call_with_context_args_and_kwargs(self):
-        provider = self.singleton_cls(Example, 11)
-
-        instance = provider(22, init_arg3=33, init_arg4=44)
-
-        assert instance.init_arg1 == 11
-        assert instance.init_arg2 == 22
-        assert instance.init_arg3 == 33
-        assert instance.init_arg4 == 44
-
-    def test_fluent_interface(self):
-        provider = self.singleton_cls(Example) \
-            .add_args(1, 2) \
-            .add_kwargs(init_arg3=3, init_arg4=4) \
-            .add_attributes(attribute1=5, attribute2=6)
-
-        instance = provider()
-
-        assert instance.init_arg1 == 1
-        assert instance.init_arg2 == 2
-        assert instance.init_arg3 == 3
-        assert instance.init_arg4 == 4
-        assert instance.attribute1 == 5
-        assert instance.attribute2 == 6
-
-    def test_set_args(self):
-        provider = self.singleton_cls(Example) \
-            .add_args(1, 2) \
-            .set_args(3, 4)
-        assert provider.args == (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)
-        assert 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)
-        assert provider.attributes == dict(attribute1=6, attribute2=7)
-
-    def test_clear_args(self):
-        provider = self.singleton_cls(Example) \
-            .add_args(1, 2) \
-            .clear_args()
-        assert provider.args == tuple()
-
-    def test_clear_kwargs(self):
-        provider = self.singleton_cls(Example) \
-            .add_kwargs(init_arg3=3, init_arg4=4) \
-            .clear_kwargs()
-        assert provider.kwargs == dict()
-
-    def test_clear_attributes(self):
-        provider = self.singleton_cls(Example) \
-            .add_attributes(attribute1=5, attribute2=6) \
-            .clear_attributes()
-        assert provider.attributes == dict()
-
-    def test_call_overridden(self):
-        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)
-
-        instance1 = provider()
-        instance2 = provider()
-
-        assert instance1 is instance2
-        assert isinstance(instance1, list)
-        assert isinstance(instance2, list)
-
-    def test_deepcopy(self):
-        provider = self.singleton_cls(Example)
-
-        provider_copy = providers.deepcopy(provider)
-
-        assert provider is not provider_copy
-        assert provider.cls is provider_copy.cls
-        assert isinstance(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})
-
-        assert provider_copy is 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]
-
-        assert provider.args != provider_copy.args
-
-        assert dependent_provider1.cls is dependent_provider_copy1.cls
-        assert dependent_provider1 is not dependent_provider_copy1
-
-        assert dependent_provider2.cls is dependent_provider_copy2.cls
-        assert dependent_provider2 is not 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"]
-
-        assert provider.kwargs != provider_copy.kwargs
-
-        assert dependent_provider1.cls is dependent_provider_copy1.cls
-        assert dependent_provider1 is not dependent_provider_copy1
-
-        assert dependent_provider2.cls is dependent_provider_copy2.cls
-        assert dependent_provider2 is not 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"]
-
-        assert provider.attributes != provider_copy.attributes
-
-        assert dependent_provider1.cls is dependent_provider_copy1.cls
-        assert dependent_provider1 is not dependent_provider_copy1
-
-        assert dependent_provider2.cls is dependent_provider_copy2.cls
-        assert dependent_provider2 is not 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]
-
-        assert provider is not provider_copy
-        assert provider.cls is provider_copy.cls
-        assert isinstance(provider, self.singleton_cls)
-
-        assert object_provider is not object_provider_copy
-        assert isinstance(object_provider_copy, providers.Object)
-
-    def test_deepcopy_with_sys_streams(self):
-        provider = providers.Singleton(Example)
-        provider.add_args(sys.stdin)
-        provider.add_kwargs(a2=sys.stdout)
-        provider.add_attributes(a3=sys.stderr)
-
-        provider_copy = providers.deepcopy(provider)
-
-        assert provider is not provider_copy
-        assert isinstance(provider_copy, providers.Singleton)
-        assert provider.args[0] is sys.stdin
-        assert provider.kwargs["a2"] is sys.stdout
-        assert provider.attributes["a3"] is sys.stderr
-
-    def test_reset(self):
-        provider = self.singleton_cls(object)
-
-        instance1 = provider()
-        assert isinstance(instance1, object)
-
-        provider.reset()
-
-        instance2 = provider()
-        assert isinstance(instance2, object)
-
-        assert instance1 is not instance2
-
-    def test_reset_with_singleton(self):
-        dependent_singleton = providers.Singleton(object)
-        provider = self.singleton_cls(dict, dependency=dependent_singleton)
-
-        dependent_instance = dependent_singleton()
-        instance1 = provider()
-        assert instance1["dependency"] is dependent_instance
-
-        provider.reset()
-
-        instance2 = provider()
-        assert instance1["dependency"] is dependent_instance
-
-        assert instance1 is not instance2
-
-    def test_reset_context_manager(self):
-        singleton = self.singleton_cls(object)
-
-        instance1 = singleton()
-        with singleton.reset():
-            instance2 = singleton()
-        instance3 = singleton()
-        assert len({instance1, instance2, instance3}) == 3
-
-    def test_reset_context_manager_as_attribute(self):
-        singleton = self.singleton_cls(object)
-
-        with singleton.reset() as alias:
-            pass
-
-        assert singleton is alias
-
-    def test_full_reset(self):
-        dependent_singleton = providers.Singleton(object)
-        provider = self.singleton_cls(dict, dependency=dependent_singleton)
-
-        dependent_instance1 = dependent_singleton()
-        instance1 = provider()
-        assert instance1["dependency"] is dependent_instance1
-
-        provider.full_reset()
-
-        dependent_instance2 = dependent_singleton()
-        instance2 = provider()
-        assert instance2["dependency"] is not dependent_instance1
-        assert dependent_instance1 is not dependent_instance2
-        assert instance1 is not instance2
-
-    def test_full_reset_context_manager(self):
-        class Item:
-            def __init__(self, dependency):
-                self.dependency = dependency
-
-        dependent_singleton = providers.Singleton(object)
-        singleton = self.singleton_cls(Item, dependency=dependent_singleton)
-
-        instance1 = singleton()
-        with singleton.full_reset():
-            instance2 = singleton()
-        instance3 = singleton()
-
-        assert len({instance1, instance2, instance3}) == 3
-        assert len({instance1.dependency, instance2.dependency, instance3.dependency}) == 3
-
-    def test_full_reset_context_manager_as_attribute(self):
-        singleton = self.singleton_cls(object)
-
-        with singleton.full_reset() as alias:
-            pass
-
-        assert singleton is alias

tests/unit/providers/test_singletons_py2_py3.py

@@ -1,194 +0,0 @@
-"""Dependency injector singleton providers unit tests."""
-
-import unittest
-
-from dependency_injector import (
-    providers,
-    errors,
-)
-from pytest import raises
-
-from .singleton_common import Example, _BaseSingletonTestCase
-
-
-class SingletonTests(_BaseSingletonTestCase, unittest.TestCase):
-
-    singleton_cls = providers.Singleton
-
-    def test_repr(self):
-        provider = self.singleton_cls(Example)
-        assert repr(provider) == (
-            "<dependency_injector.providers."
-            "Singleton({0}) at {1}>".format(repr(Example), hex(id(provider)))
-        )
-
-
-class DelegatedSingletonTests(_BaseSingletonTestCase, unittest.TestCase):
-
-    singleton_cls = providers.DelegatedSingleton
-
-    def test_is_delegated_provider(self):
-        provider = self.singleton_cls(object)
-        assert providers.is_delegated(provider) is True
-
-    def test_repr(self):
-        provider = self.singleton_cls(Example)
-        assert repr(provider) == (
-            "<dependency_injector.providers."
-            "DelegatedSingleton({0}) at {1}>".format(repr(Example), hex(id(provider)))
-        )
-
-
-class ThreadLocalSingletonTests(_BaseSingletonTestCase, unittest.TestCase):
-
-    singleton_cls = providers.ThreadLocalSingleton
-
-    def test_repr(self):
-        provider = providers.ThreadLocalSingleton(Example)
-        assert repr(provider) == (
-            "<dependency_injector.providers."
-            "ThreadLocalSingleton({0}) at {1}>".format(repr(Example), hex(id(provider)))
-        )
-
-    def test_reset(self):
-        provider = providers.ThreadLocalSingleton(Example)
-
-        instance1 = provider()
-        assert isinstance(instance1, Example)
-
-        provider.reset()
-
-        instance2 = provider()
-        assert isinstance(instance2, Example)
-
-        assert instance1 is not instance2
-
-    def test_reset_clean(self):
-        provider = providers.ThreadLocalSingleton(Example)
-        instance1 = provider()
-
-        provider.reset()
-        provider.reset()
-
-        instance2 = provider()
-        assert instance1 is not instance2
-
-
-class DelegatedThreadLocalSingletonTests(_BaseSingletonTestCase,
-                                         unittest.TestCase):
-
-    singleton_cls = providers.DelegatedThreadLocalSingleton
-
-    def test_is_delegated_provider(self):
-        provider = self.singleton_cls(object)
-        assert providers.is_delegated(provider) is True
-
-    def test_repr(self):
-        provider = self.singleton_cls(Example)
-
-        assert repr(provider) == (
-            "<dependency_injector.providers."
-            "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)
-        assert repr(provider) == (
-            "<dependency_injector.providers."
-            "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)
-        assert providers.is_delegated(provider) is True
-
-    def test_repr(self):
-        provider = self.singleton_cls(Example)
-        assert repr(provider) == (
-            "<dependency_injector.providers."
-            "DelegatedThreadSafeSingleton({0}) at {1}>".format(repr(Example), hex(id(provider)))
-        )
-
-
-class AbstractSingletonTests(unittest.TestCase):
-
-    def test_inheritance(self):
-        assert isinstance(providers.AbstractSingleton(Example),
-                              providers.BaseSingleton)
-
-    def test_call_overridden_by_singleton(self):
-        provider = providers.AbstractSingleton(object)
-        provider.override(providers.Singleton(Example))
-
-        assert isinstance(provider(), Example)
-
-    def test_call_overridden_by_delegated_singleton(self):
-        provider = providers.AbstractSingleton(object)
-        provider.override(providers.DelegatedSingleton(Example))
-
-        assert isinstance(provider(), Example)
-
-    def test_call_not_overridden(self):
-        provider = providers.AbstractSingleton(object)
-
-        with raises(errors.Error):
-            provider()
-
-    def test_reset_overridden(self):
-        provider = providers.AbstractSingleton(object)
-        provider.override(providers.Singleton(Example))
-
-        instance1 = provider()
-
-        provider.reset()
-
-        instance2 = provider()
-
-        assert instance1 is not instance2
-        assert isinstance(instance1, Example)
-        assert isinstance(instance2, Example)
-
-    def test_reset_not_overridden(self):
-        provider = providers.AbstractSingleton(object)
-
-        with raises(errors.Error):
-            provider.reset()
-
-    def test_override_by_not_singleton(self):
-        provider = providers.AbstractSingleton(object)
-
-        with raises(errors.Error):
-            provider.override(providers.Factory(object))
-
-    def test_repr(self):
-        provider = providers.AbstractSingleton(Example)
-        assert repr(provider) == (
-            "<dependency_injector.providers."
-            "AbstractSingleton({0}) at {1}>".format(repr(Example), hex(id(provider)))
-        )
-
-
-class SingletonDelegateTests(unittest.TestCase):
-
-    def setUp(self):
-        self.delegated = providers.Singleton(Example)
-        self.delegate = providers.SingletonDelegate(self.delegated)
-
-    def test_is_delegate(self):
-        assert isinstance(self.delegate, providers.Delegate)
-
-    def test_init_with_not_singleton(self):
-        raises(errors.Error,
-                          providers.SingletonDelegate,
-                          providers.Object(object()))

tests/unit/providers/test_singletons_py3.py

@@ -1,41 +0,0 @@
-import unittest
-
-from dependency_injector import providers
-
-from .singleton_common import Example, _BaseSingletonTestCase
-
-
-class ContextLocalSingletonTests(_BaseSingletonTestCase, unittest.TestCase):
-
-    singleton_cls = providers.ContextLocalSingleton
-
-    def test_repr(self):
-        provider = providers.ContextLocalSingleton(Example)
-
-        assert repr(provider) == (
-            "<dependency_injector.providers."
-            "ContextLocalSingleton({0}) at {1}>".format(repr(Example), hex(id(provider)))
-        )
-
-    def test_reset(self):
-        provider = providers.ContextLocalSingleton(Example)
-
-        instance1 = provider()
-        assert isinstance(instance1, Example)
-
-        provider.reset()
-
-        instance2 = provider()
-        assert isinstance(instance2, Example)
-
-        assert instance1 is not instance2
-
-    def test_reset_clean(self):
-        provider = providers.ContextLocalSingleton(Example)
-        instance1 = provider()
-
-        provider.reset()
-        provider.reset()
-
-        instance2 = provider()
-        assert instance1 is not instance2