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36 lines
1.1 KiB
Python
36 lines
1.1 KiB
Python
"""Operating with catalog providers example."""
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import dependency_injector as di
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class CatalogA(di.AbstractCatalog):
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"""Example catalog A."""
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provider1 = di.Factory(object)
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""":type: (di.Provider) -> object"""
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class CatalogB(CatalogA):
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"""Example catalog B."""
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provider2 = di.Singleton(object)
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""":type: (di.Provider) -> object"""
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# Making some asserts for `providers` attribute:
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assert CatalogA.providers == dict(provider1=CatalogA.provider1)
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assert CatalogB.providers == dict(provider1=CatalogA.provider1,
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provider2=CatalogB.provider2)
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# Making some asserts for `cls_providers` attribute:
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assert CatalogA.cls_providers == dict(provider1=CatalogA.provider1)
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assert CatalogB.cls_providers == dict(provider2=CatalogB.provider2)
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# Making some asserts for `inherited_providers` attribute:
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assert CatalogA.inherited_providers == dict()
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assert CatalogB.inherited_providers == dict(provider1=CatalogA.provider1)
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# Making some asserts for `filter()` method:
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assert CatalogB.filter(di.Factory) == dict(provider1=CatalogA.provider1)
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assert CatalogB.filter(di.Singleton) == dict(provider2=CatalogB.provider2)
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