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https://github.com/ets-labs/python-dependency-injector.git
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94 lines
2.4 KiB
Python
94 lines
2.4 KiB
Python
"""Object provider tests."""
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from dependency_injector import providers
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def test_is_provider():
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assert providers.is_provider(providers.Object(object())) is True
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def test_init_optional_provides():
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instance = object()
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provider = providers.Object()
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provider.set_provides(instance)
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assert provider.provides is instance
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assert provider() is instance
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def test_set_provides_returns_():
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provider = providers.Object()
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assert provider.set_provides(object()) is provider
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def test_provided_instance_provider():
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provider = providers.Object(object())
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assert isinstance(provider.provided, providers.ProvidedInstance)
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def test_call_object_provider():
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obj = object()
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assert providers.Object(obj)() is obj
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def test_call_overridden_object_provider():
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obj1 = object()
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obj2 = object()
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provider = providers.Object(obj1)
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provider.override(providers.Object(obj2))
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assert provider() is obj2
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def test_deepcopy():
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provider = providers.Object(1)
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provider_copy = providers.deepcopy(provider)
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assert provider is not provider_copy
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assert isinstance(provider, providers.Object)
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def test_deepcopy_from_memo():
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provider = providers.Object(1)
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provider_copy_memo = providers.Provider()
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provider_copy = providers.deepcopy(provider, memo={id(provider): provider_copy_memo})
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assert provider_copy is provider_copy_memo
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def test_deepcopy_overridden():
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provider = providers.Object(1)
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overriding_provider = providers.Provider()
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provider.override(overriding_provider)
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provider_copy = providers.deepcopy(provider)
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overriding_provider_copy = provider_copy.overridden[0]
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assert provider is not provider_copy
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assert isinstance(provider, providers.Object)
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assert overriding_provider is not overriding_provider_copy
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assert isinstance(overriding_provider_copy, providers.Provider)
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def test_deepcopy_doesnt_copy_provided_object():
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# Fixes bug #231
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# Details: https://github.com/ets-labs/python-dependency-injector/issues/231
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some_object = object()
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provider = providers.Object(some_object)
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provider_copy = providers.deepcopy(provider)
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assert provider() is some_object
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assert provider_copy() is some_object
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def test_repr():
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some_object = object()
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provider = providers.Object(some_object)
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assert repr(provider) == (
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"<dependency_injector.providers."
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"Object({0}) at {1}>".format(repr(some_object), hex(id(provider)))
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)
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