mirror of
https://github.com/ets-labs/python-dependency-injector.git
synced 2025-07-05 21:03:14 +03:00
Migrate dependency provider tests
This commit is contained in:
Roman Mogylatov
parent
708092b21a
commit
4a5241bb25
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@ -1,7 +1,6 @@
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"""Dependency injector base providers unit tests."""
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import unittest
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import warnings
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from dependency_injector import (
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containers,
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@ -11,345 +10,6 @@ from dependency_injector import (
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from pytest import raises
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class DependencyTests(unittest.TestCase):
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def setUp(self):
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self.provider = providers.Dependency(instance_of=list)
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def test_init_optional(self):
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list_provider = providers.List(1, 2, 3)
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provider = providers.Dependency()
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provider.set_instance_of(list)
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provider.set_default(list_provider)
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assert provider.instance_of is list
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assert provider.default is list_provider
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assert provider() == [1, 2, 3]
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def test_set_instance_of_returns_self(self):
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provider = providers.Dependency()
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assert provider.set_instance_of(list) is provider
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def test_set_default_returns_self(self):
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provider = providers.Dependency()
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assert provider.set_default(providers.Provider()) is provider
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def test_init_with_not_class(self):
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with raises(TypeError):
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providers.Dependency(object())
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def test_with_abc(self):
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try:
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import collections.abc as collections_abc
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except ImportError:
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import collections as collections_abc
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provider = providers.Dependency(collections_abc.Mapping)
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provider.provided_by(providers.Factory(dict))
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assert isinstance(provider(), collections_abc.Mapping)
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assert isinstance(provider(), dict)
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def test_is_provider(self):
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assert providers.is_provider(self.provider) is True
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def test_provided_instance_provider(self):
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assert isinstance(self.provider.provided, providers.ProvidedInstance)
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def test_default(self):
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provider = providers.Dependency(instance_of=dict, default={"foo": "bar"})
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assert provider() == {"foo": "bar"}
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def test_default_attribute(self):
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provider = providers.Dependency(instance_of=dict, default={"foo": "bar"})
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assert provider.default() == {"foo": "bar"}
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def test_default_provider(self):
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provider = providers.Dependency(instance_of=dict, default=providers.Factory(dict, foo="bar"))
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assert provider.default() == {"foo": "bar"}
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def test_default_attribute_provider(self):
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default = providers.Factory(dict, foo="bar")
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provider = providers.Dependency(instance_of=dict, default=default)
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assert provider.default() == {"foo": "bar"}
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assert provider.default is default
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def test_is_defined(self):
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provider = providers.Dependency()
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assert provider.is_defined is False
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def test_is_defined_when_overridden(self):
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provider = providers.Dependency()
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provider.override("value")
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assert provider.is_defined is True
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def test_is_defined_with_default(self):
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provider = providers.Dependency(default="value")
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assert provider.is_defined is True
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def test_call_overridden(self):
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self.provider.provided_by(providers.Factory(list))
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assert isinstance(self.provider(), list)
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def test_call_overridden_but_not_instance_of(self):
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self.provider.provided_by(providers.Factory(dict))
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with raises(errors.Error):
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self.provider()
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def test_call_undefined(self):
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with raises(errors.Error, match="Dependency is not defined"):
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self.provider()
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def test_call_undefined_error_message_with_container_instance_parent(self):
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class UserService:
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def __init__(self, database):
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self.database = database
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class Container(containers.DeclarativeContainer):
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database = providers.Dependency()
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user_service = providers.Factory(
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UserService,
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database=database, # <---- missing dependency
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)
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container = Container()
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with raises(errors.Error) as exception_info:
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container.user_service()
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assert str(exception_info.value) == "Dependency \"Container.database\" is not defined"
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def test_call_undefined_error_message_with_container_provider_parent_deep(self):
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class Database:
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pass
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class UserService:
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def __init__(self, db):
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self.db = db
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class Gateways(containers.DeclarativeContainer):
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database_client = providers.Singleton(Database)
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class Services(containers.DeclarativeContainer):
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gateways = providers.DependenciesContainer()
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user = providers.Factory(
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UserService,
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db=gateways.database_client,
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)
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class Container(containers.DeclarativeContainer):
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gateways = providers.Container(Gateways)
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services = providers.Container(
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Services,
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# gateways=gateways, # <---- missing dependency
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)
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container = Container()
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with raises(errors.Error) as exception_info:
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container.services().user()
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assert str(exception_info.value) == "Dependency \"Container.services.gateways.database_client\" is not defined"
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def test_call_undefined_error_message_with_dependenciescontainer_provider_parent(self):
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class UserService:
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def __init__(self, db):
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self.db = db
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class Services(containers.DeclarativeContainer):
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gateways = providers.DependenciesContainer()
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user = providers.Factory(
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UserService,
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db=gateways.database_client, # <---- missing dependency
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)
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services = Services()
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with raises(errors.Error) as exception_info:
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services.user()
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assert str(exception_info.value) == "Dependency \"Services.gateways.database_client\" is not defined"
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def test_assign_parent(self):
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parent = providers.DependenciesContainer()
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provider = providers.Dependency()
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provider.assign_parent(parent)
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assert provider.parent is parent
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def test_parent_name(self):
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container = containers.DynamicContainer()
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provider = providers.Dependency()
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container.name = provider
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assert provider.parent_name == "name"
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def test_parent_name_with_deep_parenting(self):
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provider = providers.Dependency()
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container = providers.DependenciesContainer(name=provider)
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_ = providers.DependenciesContainer(container=container)
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assert provider.parent_name == "container.name"
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def test_parent_name_is_none(self):
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provider = providers.DependenciesContainer()
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assert provider.parent_name is None
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def test_parent_deepcopy(self):
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container = containers.DynamicContainer()
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provider = providers.Dependency()
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container.name = provider
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copied = providers.deepcopy(container)
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assert container.name.parent is container
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assert copied.name.parent is copied
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assert container is not copied
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assert container.name is not copied.name
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assert container.name.parent is not copied.name.parent
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def test_forward_attr_to_default(self):
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default = providers.Configuration()
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provider = providers.Dependency(default=default)
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provider.from_dict({"foo": "bar"})
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assert default() == {"foo": "bar"}
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def test_forward_attr_to_overriding(self):
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overriding = providers.Configuration()
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provider = providers.Dependency()
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provider.override(overriding)
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provider.from_dict({"foo": "bar"})
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assert overriding() == {"foo": "bar"}
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def test_forward_attr_to_none(self):
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provider = providers.Dependency()
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with raises(AttributeError):
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provider.from_dict
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def test_deepcopy(self):
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provider = providers.Dependency(int)
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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.Dependency)
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def test_deepcopy_from_memo(self):
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provider = providers.Dependency(int)
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provider_copy_memo = providers.Provider()
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provider_copy = providers.deepcopy(
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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(self):
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provider = providers.Dependency(int)
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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.Dependency)
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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_deep_copy_default_object(self):
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default = {"foo": "bar"}
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provider = providers.Dependency(dict, default=default)
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provider_copy = providers.deepcopy(provider)
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assert provider_copy() is default
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assert provider_copy.default() is default
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def test_deep_copy_default_provider(self):
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bar = object()
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default = providers.Factory(dict, foo=providers.Object(bar))
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provider = providers.Dependency(dict, default=default)
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provider_copy = providers.deepcopy(provider)
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assert provider_copy() == {"foo": bar}
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assert provider_copy.default() == {"foo": bar}
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assert provider_copy()["foo"] is bar
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def test_with_container_default_object(self):
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default = {"foo": "bar"}
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class Container(containers.DeclarativeContainer):
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provider = providers.Dependency(dict, default=default)
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container = Container()
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assert container.provider() is default
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assert container.provider.default() is default
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def test_with_container_default_provider(self):
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bar = object()
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class Container(containers.DeclarativeContainer):
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provider = providers.Dependency(dict, default=providers.Factory(dict, foo=providers.Object(bar)))
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container = Container()
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assert container.provider() == {"foo": bar}
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assert container.provider.default() == {"foo": bar}
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assert container.provider()["foo"] is bar
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def test_with_container_default_provider_with_overriding(self):
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bar = object()
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baz = object()
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class Container(containers.DeclarativeContainer):
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provider = providers.Dependency(dict, default=providers.Factory(dict, foo=providers.Object(bar)))
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container = Container(provider=providers.Factory(dict, foo=providers.Object(baz)))
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assert container.provider() == {"foo": baz}
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assert container.provider.default() == {"foo": bar}
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assert container.provider()["foo"] is baz
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def test_repr(self):
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assert repr(self.provider) == (
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"<dependency_injector.providers."
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"Dependency({0}) at {1}>".format(repr(list), hex(id(self.provider)))
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)
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def test_repr_in_container(self):
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class Container(containers.DeclarativeContainer):
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dependency = providers.Dependency(instance_of=int)
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container = Container()
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assert repr(container.dependency) == (
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"<dependency_injector.providers."
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"Dependency({0}) at {1}, container name: \"Container.dependency\">".format(
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repr(int),
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hex(id(container.dependency)),
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)
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)
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class ExternalDependencyTests(unittest.TestCase):
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def setUp(self):
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self.provider = providers.ExternalDependency(instance_of=list)
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def test_is_instance(self):
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assert isinstance(self.provider, providers.Dependency)
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class DependenciesContainerTests(unittest.TestCase):
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class Container(containers.DeclarativeContainer):
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348
tests/unit/providers/test_dependency_py2_py3.py
Normal file
348
tests/unit/providers/test_dependency_py2_py3.py
Normal file
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@ -0,0 +1,348 @@
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"""Dependency provider tests."""
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from dependency_injector import containers, providers, errors
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from pytest import fixture, raises
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@fixture
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def provider():
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return providers.Dependency(instance_of=list)
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def test_init_optional():
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list_provider = providers.List(1, 2, 3)
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provider = providers.Dependency()
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provider.set_instance_of(list)
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provider.set_default(list_provider)
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assert provider.instance_of is list
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assert provider.default is list_provider
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assert provider() == [1, 2, 3]
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def test_set_instance_of_returns_self(provider):
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assert provider.set_instance_of(list) is provider
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def test_set_default_returns_self(provider):
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assert provider.set_default(providers.Provider()) is provider
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def test_init_with_not_class():
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with raises(TypeError):
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providers.Dependency(object())
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def test_with_abc():
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try:
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import collections.abc as collections_abc
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except ImportError:
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import collections as collections_abc
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provider = providers.Dependency(collections_abc.Mapping)
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provider.provided_by(providers.Factory(dict))
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assert isinstance(provider(), collections_abc.Mapping)
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assert isinstance(provider(), dict)
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def test_is_provider(provider):
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assert providers.is_provider(provider) is True
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def test_provided_instance_provider(provider):
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assert isinstance(provider.provided, providers.ProvidedInstance)
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def test_default():
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provider = providers.Dependency(instance_of=dict, default={"foo": "bar"})
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assert provider() == {"foo": "bar"}
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def test_default_attribute():
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provider = providers.Dependency(instance_of=dict, default={"foo": "bar"})
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assert provider.default() == {"foo": "bar"}
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def test_default_provider():
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provider = providers.Dependency(instance_of=dict, default=providers.Factory(dict, foo="bar"))
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assert provider.default() == {"foo": "bar"}
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def test_default_attribute_provider():
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default = providers.Factory(dict, foo="bar")
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provider = providers.Dependency(instance_of=dict, default=default)
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assert provider.default() == {"foo": "bar"}
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assert provider.default is default
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def test_is_defined(provider):
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assert provider.is_defined is False
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def test_is_defined_when_overridden(provider):
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provider.override("value")
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assert provider.is_defined is True
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def test_is_defined_with_default():
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provider = providers.Dependency(default="value")
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assert provider.is_defined is True
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def test_call_overridden(provider):
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provider.provided_by(providers.Factory(list))
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assert isinstance(provider(), list)
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def test_call_overridden_but_not_instance_of(provider):
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provider.provided_by(providers.Factory(dict))
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with raises(errors.Error):
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provider()
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def test_call_undefined(provider):
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with raises(errors.Error, match="Dependency is not defined"):
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provider()
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|
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|
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def test_call_undefined_error_message_with_container_instance_parent():
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class UserService:
|
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def __init__(self, database):
|
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self.database = database
|
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|
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class Container(containers.DeclarativeContainer):
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database = providers.Dependency()
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|
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user_service = providers.Factory(
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UserService,
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database=database, # <---- missing dependency
|
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)
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|
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container = Container()
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with raises(errors.Error, match="Dependency \"Container.database\" is not defined"):
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container.user_service()
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|
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def test_call_undefined_error_message_with_container_provider_parent_deep():
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class Database:
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pass
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|
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class UserService:
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def __init__(self, db):
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self.db = db
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|
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class Gateways(containers.DeclarativeContainer):
|
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database_client = providers.Singleton(Database)
|
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|
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class Services(containers.DeclarativeContainer):
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gateways = providers.DependenciesContainer()
|
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|
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user = providers.Factory(
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UserService,
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db=gateways.database_client,
|
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)
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|
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class Container(containers.DeclarativeContainer):
|
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gateways = providers.Container(Gateways)
|
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|
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services = providers.Container(
|
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Services,
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# gateways=gateways, # <---- missing dependency
|
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)
|
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|
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container = Container()
|
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|
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with raises(errors.Error, match="Dependency \"Container.services.gateways.database_client\" is not defined"):
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container.services().user()
|
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|
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|
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def test_call_undefined_error_message_with_dependenciescontainer_provider_parent():
|
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class UserService:
|
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def __init__(self, db):
|
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self.db = db
|
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|
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class Services(containers.DeclarativeContainer):
|
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gateways = providers.DependenciesContainer()
|
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|
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user = providers.Factory(
|
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UserService,
|
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db=gateways.database_client, # <---- missing dependency
|
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)
|
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|
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services = Services()
|
||||
|
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with raises(errors.Error, match="Dependency \"Services.gateways.database_client\" is not defined"):
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services.user()
|
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|
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|
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def test_assign_parent(provider):
|
||||
parent = providers.DependenciesContainer()
|
||||
provider.assign_parent(parent)
|
||||
assert provider.parent is parent
|
||||
|
||||
|
||||
def test_parent_name(provider):
|
||||
container = containers.DynamicContainer()
|
||||
container.name = provider
|
||||
assert provider.parent_name == "name"
|
||||
|
||||
|
||||
def test_parent_name_with_deep_parenting(provider):
|
||||
container = providers.DependenciesContainer(name=provider)
|
||||
_ = providers.DependenciesContainer(container=container)
|
||||
assert provider.parent_name == "container.name"
|
||||
|
||||
|
||||
def test_parent_name_is_none():
|
||||
provider = providers.Dependency()
|
||||
assert provider.parent_name is None
|
||||
|
||||
|
||||
def test_parent_deepcopy(provider):
|
||||
container = containers.DynamicContainer()
|
||||
container.name = provider
|
||||
|
||||
copied = providers.deepcopy(container)
|
||||
|
||||
assert container.name.parent is container
|
||||
assert copied.name.parent is copied
|
||||
|
||||
assert container is not copied
|
||||
assert container.name is not copied.name
|
||||
assert container.name.parent is not copied.name.parent
|
||||
|
||||
|
||||
def test_forward_attr_to_default():
|
||||
default = providers.Configuration()
|
||||
provider = providers.Dependency(default=default)
|
||||
provider.from_dict({"foo": "bar"})
|
||||
assert default() == {"foo": "bar"}
|
||||
|
||||
|
||||
def test_forward_attr_to_overriding(provider):
|
||||
overriding = providers.Configuration()
|
||||
provider.override(overriding)
|
||||
provider.from_dict({"foo": "bar"})
|
||||
assert overriding() == {"foo": "bar"}
|
||||
|
||||
|
||||
def test_forward_attr_to_none(provider):
|
||||
with raises(AttributeError):
|
||||
provider.from_dict
|
||||
|
||||
|
||||
def test_deepcopy(provider):
|
||||
provider_copy = providers.deepcopy(provider)
|
||||
assert provider is not provider_copy
|
||||
assert isinstance(provider, providers.Dependency)
|
||||
|
||||
|
||||
def test_deepcopy_from_memo(provider):
|
||||
provider_copy_memo = providers.Provider()
|
||||
provider_copy = providers.deepcopy(provider, memo={id(provider): provider_copy_memo})
|
||||
assert provider_copy is provider_copy_memo
|
||||
|
||||
|
||||
def test_deepcopy_overridden(provider):
|
||||
overriding_provider = providers.Provider()
|
||||
|
||||
provider.override(overriding_provider)
|
||||
|
||||
provider_copy = providers.deepcopy(provider)
|
||||
overriding_provider_copy = provider_copy.overridden[0]
|
||||
|
||||
assert provider is not provider_copy
|
||||
assert isinstance(provider, providers.Dependency)
|
||||
|
||||
assert overriding_provider is not overriding_provider_copy
|
||||
assert isinstance(overriding_provider_copy, providers.Provider)
|
||||
|
||||
|
||||
def test_deep_copy_default_object():
|
||||
default = {"foo": "bar"}
|
||||
provider = providers.Dependency(dict, default=default)
|
||||
|
||||
provider_copy = providers.deepcopy(provider)
|
||||
|
||||
assert provider_copy() is default
|
||||
assert provider_copy.default() is default
|
||||
|
||||
|
||||
def test_deep_copy_default_provider():
|
||||
bar = object()
|
||||
default = providers.Factory(dict, foo=providers.Object(bar))
|
||||
provider = providers.Dependency(dict, default=default)
|
||||
|
||||
provider_copy = providers.deepcopy(provider)
|
||||
|
||||
assert provider_copy() == {"foo": bar}
|
||||
assert provider_copy.default() == {"foo": bar}
|
||||
assert provider_copy()["foo"] is bar
|
||||
|
||||
|
||||
def test_with_container_default_object():
|
||||
default = {"foo": "bar"}
|
||||
|
||||
class Container(containers.DeclarativeContainer):
|
||||
provider = providers.Dependency(dict, default=default)
|
||||
|
||||
container = Container()
|
||||
|
||||
assert container.provider() is default
|
||||
assert container.provider.default() is default
|
||||
|
||||
|
||||
def test_with_container_default_provider():
|
||||
bar = object()
|
||||
|
||||
class Container(containers.DeclarativeContainer):
|
||||
provider = providers.Dependency(dict, default=providers.Factory(dict, foo=providers.Object(bar)))
|
||||
|
||||
container = Container()
|
||||
|
||||
assert container.provider() == {"foo": bar}
|
||||
assert container.provider.default() == {"foo": bar}
|
||||
assert container.provider()["foo"] is bar
|
||||
|
||||
|
||||
def test_with_container_default_provider_with_overriding():
|
||||
bar = object()
|
||||
baz = object()
|
||||
|
||||
class Container(containers.DeclarativeContainer):
|
||||
provider = providers.Dependency(dict, default=providers.Factory(dict, foo=providers.Object(bar)))
|
||||
|
||||
container = Container(provider=providers.Factory(dict, foo=providers.Object(baz)))
|
||||
|
||||
assert container.provider() == {"foo": baz}
|
||||
assert container.provider.default() == {"foo": bar}
|
||||
assert container.provider()["foo"] is baz
|
||||
|
||||
|
||||
def test_repr(provider):
|
||||
assert repr(provider) == (
|
||||
"<dependency_injector.providers."
|
||||
"Dependency({0}) at {1}>".format(repr(list), hex(id(provider)))
|
||||
)
|
||||
|
||||
|
||||
def test_repr_in_container():
|
||||
class Container(containers.DeclarativeContainer):
|
||||
dependency = providers.Dependency(instance_of=int)
|
||||
|
||||
container = Container()
|
||||
|
||||
assert repr(container.dependency) == (
|
||||
"<dependency_injector.providers."
|
||||
"Dependency({0}) at {1}, container name: \"Container.dependency\">".format(
|
||||
repr(int),
|
||||
hex(id(container.dependency)),
|
||||
)
|
||||
)
|
||||
|
||||
|
||||
def test_external_dependency():
|
||||
assert isinstance(providers.ExternalDependency(), providers.Dependency)
|
||||
Loading…
Reference in New Issue
Block a user