mirror of
https://github.com/ets-labs/python-dependency-injector.git
synced 2025-10-31 16:07:51 +03:00
f961ff536a
* Add single container prototype * Add multiple containers prototype * Add integration tests * Implement from_*() methods and add tests * Prototype inline injections * Add integration test for inline providers * Refactor integration tests * Add integration test for reordered schema * Remove unused imports from tests * Refactor schema module * Update tests to match latest schemas * Add mypy_boto3_s3 to the test requirements * Add boto3 to the test requirements * Add set_provides for Callable, Factory, and Singleton providers * Fix warnings in tests * Add typing stubs for Callable, Factory, and Singleton .set_provides() attributes * Fix singleton children to have optional provides * Implement provider to provider resolving * Fix pypy3 tests * Implement boto3 session use case and add tests * Implement lazy initialization and improve copying for Callable, Factory, Singleton, and Coroutine providers * Fix Python 2 tests * Add region name for boto3 integration example * Remove f-strings from set_provides() * Fix schema flake8 errors * Implement lazy initialization and improve copying for Delegate provider * Implement lazy initialization and improve copying for Object provider * Speed up wiring tests * Implement lazy initialization and improve copying for FactoryAggregate provider * Implement lazy initialization and improve copying for Selector provider * Implement lazy initialization and improve copying for Dependency provider * Implement lazy initialization and improve copying for Resource provider * Implement lazy initialization and improve copying for Configuration provider * Implement lazy initialization and improve copying for ProvidedInstance provider * Implement lazy initialization and improve copying for AttributeGetter provider * Implement lazy initialization and improve copying for ItemGetter provider * Implement lazy initialization and improve copying for MethodCaller provder * Update changelog * Fix typing in wiring module * Fix wiring module loader uninstallation issue * Fix provided instance providers error handing in asynchronous mode Co-authored-by: Roman Mogylatov <rmk@Romans-MacBook-Pro.local>
792 lines
27 KiB
Python
792 lines
27 KiB
Python
"""Dependency injector base providers unit tests."""
|
|
|
|
import unittest
|
|
import warnings
|
|
|
|
from dependency_injector import (
|
|
containers,
|
|
providers,
|
|
errors,
|
|
)
|
|
|
|
|
|
class ProviderTests(unittest.TestCase):
|
|
|
|
def setUp(self):
|
|
self.provider = providers.Provider()
|
|
|
|
def test_is_provider(self):
|
|
self.assertTrue(providers.is_provider(self.provider))
|
|
|
|
def test_call(self):
|
|
self.assertRaises(NotImplementedError, self.provider.__call__)
|
|
|
|
def test_delegate(self):
|
|
with warnings.catch_warnings():
|
|
warnings.simplefilter('ignore')
|
|
delegate1 = self.provider.delegate()
|
|
delegate2 = self.provider.delegate()
|
|
|
|
self.assertIsInstance(delegate1, providers.Delegate)
|
|
self.assertIs(delegate1(), self.provider)
|
|
|
|
self.assertIsInstance(delegate2, providers.Delegate)
|
|
self.assertIs(delegate2(), self.provider)
|
|
|
|
self.assertIsNot(delegate1, delegate2)
|
|
|
|
def test_provider(self):
|
|
delegate1 = self.provider.provider
|
|
|
|
self.assertIsInstance(delegate1, providers.Delegate)
|
|
self.assertIs(delegate1(), self.provider)
|
|
|
|
delegate2 = self.provider.provider
|
|
|
|
self.assertIsInstance(delegate2, providers.Delegate)
|
|
self.assertIs(delegate2(), self.provider)
|
|
|
|
self.assertIsNot(delegate1, delegate2)
|
|
|
|
def test_override(self):
|
|
overriding_provider = providers.Provider()
|
|
self.provider.override(overriding_provider)
|
|
self.assertTrue(self.provider.overridden)
|
|
self.assertIs(self.provider.last_overriding, overriding_provider)
|
|
|
|
def test_double_override(self):
|
|
overriding_provider1 = providers.Object(1)
|
|
overriding_provider2 = providers.Object(2)
|
|
|
|
self.provider.override(overriding_provider1)
|
|
overriding_provider1.override(overriding_provider2)
|
|
|
|
self.assertEqual(self.provider(), overriding_provider2())
|
|
|
|
def test_overriding_context(self):
|
|
overriding_provider = providers.Provider()
|
|
with self.provider.override(overriding_provider):
|
|
self.assertTrue(self.provider.overridden)
|
|
self.assertFalse(self.provider.overridden)
|
|
|
|
def test_override_with_itself(self):
|
|
self.assertRaises(errors.Error, self.provider.override, self.provider)
|
|
|
|
def test_override_with_not_provider(self):
|
|
obj = object()
|
|
self.provider.override(obj)
|
|
self.assertIs(self.provider(), obj)
|
|
|
|
def test_reset_last_overriding(self):
|
|
overriding_provider1 = providers.Provider()
|
|
overriding_provider2 = providers.Provider()
|
|
|
|
self.provider.override(overriding_provider1)
|
|
self.provider.override(overriding_provider2)
|
|
|
|
self.assertIs(self.provider.overridden[-1], overriding_provider2)
|
|
self.assertIs(self.provider.last_overriding, overriding_provider2)
|
|
|
|
self.provider.reset_last_overriding()
|
|
self.assertIs(self.provider.overridden[-1], overriding_provider1)
|
|
self.assertIs(self.provider.last_overriding, overriding_provider1)
|
|
|
|
self.provider.reset_last_overriding()
|
|
self.assertFalse(self.provider.overridden)
|
|
self.assertIsNone(self.provider.last_overriding)
|
|
|
|
def test_reset_last_overriding_of_not_overridden_provider(self):
|
|
self.assertRaises(errors.Error, self.provider.reset_last_overriding)
|
|
|
|
def test_reset_override(self):
|
|
overriding_provider = providers.Provider()
|
|
self.provider.override(overriding_provider)
|
|
|
|
self.assertTrue(self.provider.overridden)
|
|
self.assertEqual(self.provider.overridden, (overriding_provider,))
|
|
|
|
self.provider.reset_override()
|
|
|
|
self.assertEqual(self.provider.overridden, tuple())
|
|
|
|
def test_deepcopy(self):
|
|
provider = providers.Provider()
|
|
|
|
provider_copy = providers.deepcopy(provider)
|
|
|
|
self.assertIsNot(provider, provider_copy)
|
|
self.assertIsInstance(provider, providers.Provider)
|
|
|
|
def test_deepcopy_from_memo(self):
|
|
provider = providers.Provider()
|
|
provider_copy_memo = providers.Provider()
|
|
|
|
provider_copy = providers.deepcopy(
|
|
provider, memo={id(provider): provider_copy_memo})
|
|
|
|
self.assertIs(provider_copy, provider_copy_memo)
|
|
|
|
def test_deepcopy_overridden(self):
|
|
provider = providers.Provider()
|
|
overriding_provider = providers.Provider()
|
|
|
|
provider.override(overriding_provider)
|
|
|
|
provider_copy = providers.deepcopy(provider)
|
|
overriding_provider_copy = provider_copy.overridden[0]
|
|
|
|
self.assertIsNot(provider, provider_copy)
|
|
self.assertIsInstance(provider, providers.Provider)
|
|
|
|
self.assertIsNot(overriding_provider, overriding_provider_copy)
|
|
self.assertIsInstance(overriding_provider_copy, providers.Provider)
|
|
|
|
def test_repr(self):
|
|
self.assertEqual(repr(self.provider),
|
|
'<dependency_injector.providers.'
|
|
'Provider() at {0}>'.format(hex(id(self.provider))))
|
|
|
|
|
|
class ObjectProviderTests(unittest.TestCase):
|
|
|
|
def test_is_provider(self):
|
|
self.assertTrue(providers.is_provider(providers.Object(object())))
|
|
|
|
def test_init_optional_provides(self):
|
|
instance = object()
|
|
provider = providers.Object()
|
|
provider.set_provides(instance)
|
|
self.assertIs(provider.provides, instance)
|
|
self.assertIs(provider(), instance)
|
|
|
|
def test_set_provides_returns_self(self):
|
|
provider = providers.Object()
|
|
self.assertIs(provider.set_provides(object()), provider)
|
|
|
|
def test_provided_instance_provider(self):
|
|
provider = providers.Object(object())
|
|
self.assertIsInstance(provider.provided, providers.ProvidedInstance)
|
|
|
|
def test_call_object_provider(self):
|
|
obj = object()
|
|
self.assertIs(providers.Object(obj)(), obj)
|
|
|
|
def test_call_overridden_object_provider(self):
|
|
obj1 = object()
|
|
obj2 = object()
|
|
provider = providers.Object(obj1)
|
|
provider.override(providers.Object(obj2))
|
|
self.assertIs(provider(), obj2)
|
|
|
|
def test_deepcopy(self):
|
|
provider = providers.Object(1)
|
|
|
|
provider_copy = providers.deepcopy(provider)
|
|
|
|
self.assertIsNot(provider, provider_copy)
|
|
self.assertIsInstance(provider, providers.Object)
|
|
|
|
def test_deepcopy_from_memo(self):
|
|
provider = providers.Object(1)
|
|
provider_copy_memo = providers.Provider()
|
|
|
|
provider_copy = providers.deepcopy(
|
|
provider, memo={id(provider): provider_copy_memo})
|
|
|
|
self.assertIs(provider_copy, provider_copy_memo)
|
|
|
|
def test_deepcopy_overridden(self):
|
|
provider = providers.Object(1)
|
|
overriding_provider = providers.Provider()
|
|
|
|
provider.override(overriding_provider)
|
|
|
|
provider_copy = providers.deepcopy(provider)
|
|
overriding_provider_copy = provider_copy.overridden[0]
|
|
|
|
self.assertIsNot(provider, provider_copy)
|
|
self.assertIsInstance(provider, providers.Object)
|
|
|
|
self.assertIsNot(overriding_provider, overriding_provider_copy)
|
|
self.assertIsInstance(overriding_provider_copy, providers.Provider)
|
|
|
|
def test_deepcopy_doesnt_copy_provided_object(self):
|
|
# Fixes bug #231
|
|
# Details: https://github.com/ets-labs/python-dependency-injector/issues/231
|
|
some_object = object()
|
|
provider = providers.Object(some_object)
|
|
|
|
provider_copy = providers.deepcopy(provider)
|
|
|
|
self.assertIs(provider(), some_object)
|
|
self.assertIs(provider_copy(), some_object)
|
|
|
|
def test_repr(self):
|
|
some_object = object()
|
|
provider = providers.Object(some_object)
|
|
self.assertEqual(repr(provider),
|
|
'<dependency_injector.providers.'
|
|
'Object({0}) at {1}>'.format(
|
|
repr(some_object),
|
|
hex(id(provider))))
|
|
|
|
|
|
class SelfProviderTests(unittest.TestCase):
|
|
|
|
def test_is_provider(self):
|
|
self.assertTrue(providers.is_provider(providers.Self()))
|
|
|
|
def test_call_object_provider(self):
|
|
container = containers.DeclarativeContainer()
|
|
self.assertIs(providers.Self(container)(), container)
|
|
|
|
def test_set_container(self):
|
|
container = containers.DeclarativeContainer()
|
|
provider = providers.Self()
|
|
provider.set_container(container)
|
|
self.assertIs(provider(), container)
|
|
|
|
def test_set_alt_names(self):
|
|
provider = providers.Self()
|
|
provider.set_alt_names({'foo', 'bar', 'baz'})
|
|
self.assertEqual(set(provider.alt_names), {'foo', 'bar', 'baz'})
|
|
|
|
def test_deepcopy(self):
|
|
provider = providers.Self()
|
|
|
|
provider_copy = providers.deepcopy(provider)
|
|
|
|
self.assertIsNot(provider, provider_copy)
|
|
self.assertIsInstance(provider, providers.Self)
|
|
|
|
def test_deepcopy_from_memo(self):
|
|
provider = providers.Self()
|
|
provider_copy_memo = providers.Provider()
|
|
|
|
provider_copy = providers.deepcopy(
|
|
provider, memo={id(provider): provider_copy_memo})
|
|
|
|
self.assertIs(provider_copy, provider_copy_memo)
|
|
|
|
def test_deepcopy_overridden(self):
|
|
provider = providers.Self()
|
|
overriding_provider = providers.Provider()
|
|
|
|
provider.override(overriding_provider)
|
|
|
|
provider_copy = providers.deepcopy(provider)
|
|
overriding_provider_copy = provider_copy.overridden[0]
|
|
|
|
self.assertIsNot(provider, provider_copy)
|
|
self.assertIsInstance(provider, providers.Self)
|
|
|
|
self.assertIsNot(overriding_provider, overriding_provider_copy)
|
|
self.assertIsInstance(overriding_provider_copy, providers.Provider)
|
|
|
|
def test_repr(self):
|
|
container = containers.DeclarativeContainer()
|
|
provider = providers.Self(container)
|
|
self.assertEqual(repr(provider),
|
|
'<dependency_injector.providers.'
|
|
'Self({0}) at {1}>'.format(
|
|
repr(container),
|
|
hex(id(provider))))
|
|
|
|
|
|
class DelegateTests(unittest.TestCase):
|
|
|
|
def setUp(self):
|
|
self.delegated = providers.Provider()
|
|
self.delegate = providers.Delegate(self.delegated)
|
|
|
|
def test_is_provider(self):
|
|
self.assertTrue(providers.is_provider(self.delegate))
|
|
|
|
def test_init_optional_provides(self):
|
|
provider = providers.Delegate()
|
|
provider.set_provides(self.delegated)
|
|
self.assertIs(provider.provides, self.delegated)
|
|
self.assertIs(provider(), self.delegated)
|
|
|
|
def test_set_provides_returns_self(self):
|
|
provider = providers.Delegate()
|
|
self.assertIs(provider.set_provides(self.delegated), provider)
|
|
|
|
def test_init_with_not_provider(self):
|
|
self.assertRaises(errors.Error, providers.Delegate, object())
|
|
|
|
def test_call(self):
|
|
delegated1 = self.delegate()
|
|
delegated2 = self.delegate()
|
|
|
|
self.assertIs(delegated1, self.delegated)
|
|
self.assertIs(delegated2, self.delegated)
|
|
|
|
def test_repr(self):
|
|
self.assertEqual(repr(self.delegate),
|
|
'<dependency_injector.providers.'
|
|
'Delegate({0}) at {1}>'.format(
|
|
repr(self.delegated),
|
|
hex(id(self.delegate))))
|
|
|
|
|
|
class DependencyTests(unittest.TestCase):
|
|
|
|
def setUp(self):
|
|
self.provider = providers.Dependency(instance_of=list)
|
|
|
|
def test_init_optional(self):
|
|
list_provider = providers.List(1, 2, 3)
|
|
provider = providers.Dependency()
|
|
provider.set_instance_of(list)
|
|
provider.set_default(list_provider)
|
|
|
|
self.assertIs(provider.instance_of, list)
|
|
self.assertIs(provider.default, list_provider)
|
|
self.assertEqual(provider(), [1, 2, 3])
|
|
|
|
def test_set_instance_of_returns_self(self):
|
|
provider = providers.Dependency()
|
|
self.assertIs(provider.set_instance_of(list), provider)
|
|
|
|
def test_set_default_returns_self(self):
|
|
provider = providers.Dependency()
|
|
self.assertIs(provider.set_default(providers.Provider()), provider)
|
|
|
|
def test_init_with_not_class(self):
|
|
self.assertRaises(TypeError, providers.Dependency, object())
|
|
|
|
def test_with_abc(self):
|
|
try:
|
|
import collections.abc as collections_abc
|
|
except ImportError:
|
|
import collections as collections_abc
|
|
|
|
provider = providers.Dependency(collections_abc.Mapping)
|
|
provider.provided_by(providers.Factory(dict))
|
|
|
|
self.assertIsInstance(provider(), collections_abc.Mapping)
|
|
self.assertIsInstance(provider(), dict)
|
|
|
|
def test_is_provider(self):
|
|
self.assertTrue(providers.is_provider(self.provider))
|
|
|
|
def test_provided_instance_provider(self):
|
|
self.assertIsInstance(self.provider.provided, providers.ProvidedInstance)
|
|
|
|
def test_default(self):
|
|
provider = providers.Dependency(instance_of=dict, default={'foo': 'bar'})
|
|
self.assertEqual(provider(), {'foo': 'bar'})
|
|
|
|
def test_default_attribute(self):
|
|
provider = providers.Dependency(instance_of=dict, default={'foo': 'bar'})
|
|
self.assertEqual(provider.default(), {'foo': 'bar'})
|
|
|
|
def test_default_provider(self):
|
|
provider = providers.Dependency(instance_of=dict, default=providers.Factory(dict, foo='bar'))
|
|
self.assertEqual(provider.default(), {'foo': 'bar'})
|
|
|
|
def test_default_attribute_provider(self):
|
|
default = providers.Factory(dict, foo='bar')
|
|
provider = providers.Dependency(instance_of=dict, default=default)
|
|
|
|
self.assertEqual(provider.default(), {'foo': 'bar'})
|
|
self.assertIs(provider.default, default)
|
|
|
|
def test_is_defined(self):
|
|
provider = providers.Dependency()
|
|
self.assertFalse(provider.is_defined)
|
|
|
|
def test_is_defined_when_overridden(self):
|
|
provider = providers.Dependency()
|
|
provider.override('value')
|
|
self.assertTrue(provider.is_defined)
|
|
|
|
def test_is_defined_with_default(self):
|
|
provider = providers.Dependency(default='value')
|
|
self.assertTrue(provider.is_defined)
|
|
|
|
def test_call_overridden(self):
|
|
self.provider.provided_by(providers.Factory(list))
|
|
self.assertIsInstance(self.provider(), list)
|
|
|
|
def test_call_overridden_but_not_instance_of(self):
|
|
self.provider.provided_by(providers.Factory(dict))
|
|
self.assertRaises(errors.Error, self.provider)
|
|
|
|
def test_call_undefined(self):
|
|
with self.assertRaises(errors.Error) as context:
|
|
self.provider()
|
|
self.assertEqual(str(context.exception), 'Dependency is not defined')
|
|
|
|
def test_call_undefined_error_message_with_container_instance_parent(self):
|
|
class UserService:
|
|
def __init__(self, database):
|
|
self.database = database
|
|
|
|
class Container(containers.DeclarativeContainer):
|
|
database = providers.Dependency()
|
|
|
|
user_service = providers.Factory(
|
|
UserService,
|
|
database=database, # <---- missing dependency
|
|
)
|
|
|
|
container = Container()
|
|
|
|
with self.assertRaises(errors.Error) as context:
|
|
container.user_service()
|
|
|
|
self.assertEqual(str(context.exception), 'Dependency "Container.database" is not defined')
|
|
|
|
def test_call_undefined_error_message_with_container_provider_parent_deep(self):
|
|
class Database:
|
|
pass
|
|
|
|
class UserService:
|
|
def __init__(self, db):
|
|
self.db = db
|
|
|
|
class Gateways(containers.DeclarativeContainer):
|
|
database_client = providers.Singleton(Database)
|
|
|
|
class Services(containers.DeclarativeContainer):
|
|
gateways = providers.DependenciesContainer()
|
|
|
|
user = providers.Factory(
|
|
UserService,
|
|
db=gateways.database_client,
|
|
)
|
|
|
|
class Container(containers.DeclarativeContainer):
|
|
gateways = providers.Container(Gateways)
|
|
|
|
services = providers.Container(
|
|
Services,
|
|
# gateways=gateways, # <---- missing dependency
|
|
)
|
|
|
|
container = Container()
|
|
|
|
with self.assertRaises(errors.Error) as context:
|
|
container.services().user()
|
|
|
|
self.assertEqual(
|
|
str(context.exception),
|
|
'Dependency "Container.services.gateways.database_client" is not defined',
|
|
)
|
|
|
|
def test_call_undefined_error_message_with_dependenciescontainer_provider_parent(self):
|
|
class UserService:
|
|
def __init__(self, db):
|
|
self.db = db
|
|
|
|
class Services(containers.DeclarativeContainer):
|
|
gateways = providers.DependenciesContainer()
|
|
|
|
user = providers.Factory(
|
|
UserService,
|
|
db=gateways.database_client, # <---- missing dependency
|
|
)
|
|
|
|
services = Services()
|
|
|
|
with self.assertRaises(errors.Error) as context:
|
|
services.user()
|
|
|
|
self.assertEqual(
|
|
str(context.exception),
|
|
'Dependency "Services.gateways.database_client" is not defined',
|
|
)
|
|
|
|
def test_assign_parent(self):
|
|
parent = providers.DependenciesContainer()
|
|
provider = providers.Dependency()
|
|
|
|
provider.assign_parent(parent)
|
|
|
|
self.assertIs(provider.parent, parent)
|
|
|
|
def test_parent_name(self):
|
|
container = containers.DynamicContainer()
|
|
provider = providers.Dependency()
|
|
container.name = provider
|
|
self.assertEqual(provider.parent_name, 'name')
|
|
|
|
def test_parent_name_with_deep_parenting(self):
|
|
provider = providers.Dependency()
|
|
container = providers.DependenciesContainer(name=provider)
|
|
_ = providers.DependenciesContainer(container=container)
|
|
self.assertEqual(provider.parent_name, 'container.name')
|
|
|
|
def test_parent_name_is_none(self):
|
|
provider = providers.DependenciesContainer()
|
|
self.assertIsNone(provider.parent_name)
|
|
|
|
def test_parent_deepcopy(self):
|
|
container = containers.DynamicContainer()
|
|
provider = providers.Dependency()
|
|
container.name = provider
|
|
|
|
copied = providers.deepcopy(container)
|
|
|
|
self.assertIs(container.name.parent, container)
|
|
self.assertIs(copied.name.parent, copied)
|
|
|
|
self.assertIsNot(container, copied)
|
|
self.assertIsNot(container.name, copied.name)
|
|
self.assertIsNot(container.name.parent, copied.name.parent)
|
|
|
|
def test_forward_attr_to_default(self):
|
|
default = providers.Configuration()
|
|
|
|
provider = providers.Dependency(default=default)
|
|
provider.from_dict({'foo': 'bar'})
|
|
|
|
self.assertEqual(default(), {'foo': 'bar'})
|
|
|
|
def test_forward_attr_to_overriding(self):
|
|
overriding = providers.Configuration()
|
|
|
|
provider = providers.Dependency()
|
|
provider.override(overriding)
|
|
provider.from_dict({'foo': 'bar'})
|
|
|
|
self.assertEqual(overriding(), {'foo': 'bar'})
|
|
|
|
def test_forward_attr_to_none(self):
|
|
provider = providers.Dependency()
|
|
with self.assertRaises(AttributeError):
|
|
provider.from_dict
|
|
|
|
def test_deepcopy(self):
|
|
provider = providers.Dependency(int)
|
|
|
|
provider_copy = providers.deepcopy(provider)
|
|
|
|
self.assertIsNot(provider, provider_copy)
|
|
self.assertIsInstance(provider, providers.Dependency)
|
|
|
|
def test_deepcopy_from_memo(self):
|
|
provider = providers.Dependency(int)
|
|
provider_copy_memo = providers.Provider()
|
|
|
|
provider_copy = providers.deepcopy(
|
|
provider, memo={id(provider): provider_copy_memo})
|
|
|
|
self.assertIs(provider_copy, provider_copy_memo)
|
|
|
|
def test_deepcopy_overridden(self):
|
|
provider = providers.Dependency(int)
|
|
overriding_provider = providers.Provider()
|
|
|
|
provider.override(overriding_provider)
|
|
|
|
provider_copy = providers.deepcopy(provider)
|
|
overriding_provider_copy = provider_copy.overridden[0]
|
|
|
|
self.assertIsNot(provider, provider_copy)
|
|
self.assertIsInstance(provider, providers.Dependency)
|
|
|
|
self.assertIsNot(overriding_provider, overriding_provider_copy)
|
|
self.assertIsInstance(overriding_provider_copy, providers.Provider)
|
|
|
|
def test_deep_copy_default_object(self):
|
|
default = {'foo': 'bar'}
|
|
provider = providers.Dependency(dict, default=default)
|
|
|
|
provider_copy = providers.deepcopy(provider)
|
|
|
|
self.assertIs(provider_copy(), default)
|
|
self.assertIs(provider_copy.default(), default)
|
|
|
|
def test_deep_copy_default_provider(self):
|
|
bar = object()
|
|
default = providers.Factory(dict, foo=providers.Object(bar))
|
|
provider = providers.Dependency(dict, default=default)
|
|
|
|
provider_copy = providers.deepcopy(provider)
|
|
|
|
self.assertEqual(provider_copy(), {'foo': bar})
|
|
self.assertEqual(provider_copy.default(), {'foo': bar})
|
|
self.assertIs(provider_copy()['foo'], bar)
|
|
|
|
def test_with_container_default_object(self):
|
|
default = {'foo': 'bar'}
|
|
|
|
class Container(containers.DeclarativeContainer):
|
|
provider = providers.Dependency(dict, default=default)
|
|
|
|
container = Container()
|
|
|
|
self.assertIs(container.provider(), default)
|
|
self.assertIs(container.provider.default(), default)
|
|
|
|
def test_with_container_default_provider(self):
|
|
bar = object()
|
|
|
|
class Container(containers.DeclarativeContainer):
|
|
provider = providers.Dependency(dict, default=providers.Factory(dict, foo=providers.Object(bar)))
|
|
|
|
container = Container()
|
|
|
|
self.assertEqual(container.provider(), {'foo': bar})
|
|
self.assertEqual(container.provider.default(), {'foo': bar})
|
|
self.assertIs(container.provider()['foo'], bar)
|
|
|
|
def test_with_container_default_provider_with_overriding(self):
|
|
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)))
|
|
|
|
self.assertEqual(container.provider(), {'foo': baz})
|
|
self.assertEqual(container.provider.default(), {'foo': bar})
|
|
self.assertIs(container.provider()['foo'], baz)
|
|
|
|
def test_repr(self):
|
|
self.assertEqual(repr(self.provider),
|
|
'<dependency_injector.providers.'
|
|
'Dependency({0}) at {1}>'.format(
|
|
repr(list),
|
|
hex(id(self.provider))))
|
|
|
|
def test_repr_in_container(self):
|
|
class Container(containers.DeclarativeContainer):
|
|
dependency = providers.Dependency(instance_of=int)
|
|
|
|
container = Container()
|
|
|
|
self.assertEqual(repr(container.dependency),
|
|
'<dependency_injector.providers.'
|
|
'Dependency({0}) at {1}, container name: "Container.dependency">'.format(
|
|
repr(int),
|
|
hex(id(container.dependency))))
|
|
|
|
|
|
class ExternalDependencyTests(unittest.TestCase):
|
|
|
|
def setUp(self):
|
|
self.provider = providers.ExternalDependency(instance_of=list)
|
|
|
|
def test_is_instance(self):
|
|
self.assertIsInstance(self.provider, providers.Dependency)
|
|
|
|
|
|
class DependenciesContainerTests(unittest.TestCase):
|
|
|
|
class Container(containers.DeclarativeContainer):
|
|
|
|
dependency = providers.Provider()
|
|
|
|
def setUp(self):
|
|
self.provider = providers.DependenciesContainer()
|
|
self.container = self.Container()
|
|
|
|
def test_getattr(self):
|
|
has_dependency = hasattr(self.provider, 'dependency')
|
|
dependency = self.provider.dependency
|
|
|
|
self.assertIsInstance(dependency, providers.Dependency)
|
|
self.assertIs(dependency, self.provider.dependency)
|
|
self.assertTrue(has_dependency)
|
|
self.assertIsNone(dependency.last_overriding)
|
|
|
|
def test_getattr_with_container(self):
|
|
self.provider.override(self.container)
|
|
|
|
dependency = self.provider.dependency
|
|
|
|
self.assertTrue(dependency.overridden)
|
|
self.assertIs(dependency.last_overriding, self.container.dependency)
|
|
|
|
def test_providers(self):
|
|
dependency1 = self.provider.dependency1
|
|
dependency2 = self.provider.dependency2
|
|
self.assertEqual(self.provider.providers, {'dependency1': dependency1,
|
|
'dependency2': dependency2})
|
|
|
|
def test_override(self):
|
|
dependency = self.provider.dependency
|
|
self.provider.override(self.container)
|
|
|
|
self.assertTrue(dependency.overridden)
|
|
self.assertIs(dependency.last_overriding, self.container.dependency)
|
|
|
|
def test_reset_last_overriding(self):
|
|
dependency = self.provider.dependency
|
|
self.provider.override(self.container)
|
|
self.provider.reset_last_overriding()
|
|
|
|
self.assertIsNone(dependency.last_overriding)
|
|
self.assertIsNone(dependency.last_overriding)
|
|
|
|
def test_reset_override(self):
|
|
dependency = self.provider.dependency
|
|
self.provider.override(self.container)
|
|
self.provider.reset_override()
|
|
|
|
self.assertFalse(dependency.overridden)
|
|
self.assertFalse(dependency.overridden)
|
|
|
|
def test_assign_parent(self):
|
|
parent = providers.DependenciesContainer()
|
|
provider = providers.DependenciesContainer()
|
|
|
|
provider.assign_parent(parent)
|
|
|
|
self.assertIs(provider.parent, parent)
|
|
|
|
def test_parent_name(self):
|
|
container = containers.DynamicContainer()
|
|
provider = providers.DependenciesContainer()
|
|
container.name = provider
|
|
self.assertEqual(provider.parent_name, 'name')
|
|
|
|
def test_parent_name_with_deep_parenting(self):
|
|
provider = providers.DependenciesContainer()
|
|
container = providers.DependenciesContainer(name=provider)
|
|
_ = providers.DependenciesContainer(container=container)
|
|
self.assertEqual(provider.parent_name, 'container.name')
|
|
|
|
def test_parent_name_is_none(self):
|
|
provider = providers.DependenciesContainer()
|
|
self.assertIsNone(provider.parent_name)
|
|
|
|
def test_parent_deepcopy(self):
|
|
container = containers.DynamicContainer()
|
|
provider = providers.DependenciesContainer()
|
|
container.name = provider
|
|
|
|
copied = providers.deepcopy(container)
|
|
|
|
self.assertIs(container.name.parent, container)
|
|
self.assertIs(copied.name.parent, copied)
|
|
|
|
self.assertIsNot(container, copied)
|
|
self.assertIsNot(container.name, copied.name)
|
|
self.assertIsNot(container.name.parent, copied.name.parent)
|
|
|
|
def test_parent_set_on__getattr__(self):
|
|
provider = providers.DependenciesContainer()
|
|
self.assertIsInstance(provider.name, providers.Dependency)
|
|
self.assertIs(provider.name.parent, provider)
|
|
|
|
def test_parent_set_on__init__(self):
|
|
provider = providers.Dependency()
|
|
container = providers.DependenciesContainer(name=provider)
|
|
self.assertIs(container.name, provider)
|
|
self.assertIs(container.name.parent, container)
|
|
|
|
def test_resolve_provider_name(self):
|
|
container = providers.DependenciesContainer()
|
|
self.assertEqual(container.resolve_provider_name(container.name), 'name')
|
|
|
|
def test_resolve_provider_name_no_provider(self):
|
|
container = providers.DependenciesContainer()
|
|
with self.assertRaises(errors.Error):
|
|
container.resolve_provider_name(providers.Provider())
|