class Core(containers.DeclarativeContainer):
"""IoC container of core component providers."""
config = providers.Configuration('config')
logger = providers.AbstractSingleton(logging.Logger)
profiler = providers.AbstractSingleton(logging.Logger)
science_logger = providers.Singleton(logging.getLogger, 'bpm_science')
def test_repr(self):
provider = providers.AbstractSingleton(Example)
self.assertEqual(
repr(provider), '<dependency_injector.providers.'
'AbstractSingleton({0}) at {1}>'.format(repr(Example),
hex(id(provider))))
def test_reset_overridden(self):
provider = providers.AbstractSingleton(object)
provider.override(providers.Singleton(Example))
instance1 = provider()
provider.reset()
instance2 = provider()
self.assertIsNot(instance1, instance2)
self.assertIsInstance(instance1, Example)
self.assertIsInstance(instance2, Example)
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)
method_caller5: providers.MethodCaller = provider5.provided.method.call(
123, arg=324)
# Test 6: to check the DelegatedSingleton
provider6 = providers.DelegatedSingleton(Cat)
animal6: Animal = provider6(1, 2, 3, b='1', c=2, e=0.0)
# Test 7: to check the ThreadSafeSingleton
provider7: providers.BaseSingleton[Animal] = providers.ThreadSafeSingleton(Cat)
animal7: Animal = provider7()
# Test 8: to check the DelegatedThreadSafeSingleton
provider8 = providers.DelegatedThreadSafeSingleton(Cat)
animal8: Animal = provider8(1, 2, 3, b='1', c=2, e=0.0)
# Test 9: to check the ThreadLocalSingleton
provider9 = providers.ThreadLocalSingleton(Cat)
animal9: Animal = provider9(1, 2, 3, b='1', c=2, e=0.0)
# Test 10: to check the DelegatedThreadLocalSingleton
provider10 = providers.DelegatedThreadLocalSingleton(Cat)
animal10: Animal = provider10(1, 2, 3, b='1', c=2, e=0.0)
# Test 11: to check the AbstractSingleton
provider11 = providers.AbstractSingleton(Animal)
provider11.override(providers.Singleton(Cat))
animal11: Animal = provider11(1, 2, 3, b='1', c=2, e=0.0)
# Test 12: to check the SingletonDelegate __init__
provider12 = providers.SingletonDelegate(providers.Singleton(object))
def test_override_by_not_singleton(self):
provider = providers.AbstractSingleton(object)
with self.assertRaises(errors.Error):
provider.override(providers.Factory(object))
def test_reset_not_overridden(self):
provider = providers.AbstractSingleton(object)
with self.assertRaises(errors.Error):
provider.reset()
def test_call_overridden_by_delegated_singleton(self):
provider = providers.AbstractSingleton(object)
provider.override(providers.DelegatedSingleton(Example))
self.assertIsInstance(provider(), Example)
def test_inheritance(self):
self.assertIsInstance(providers.AbstractSingleton(Example),
providers.BaseSingleton)
def test_inheritance():
assert isinstance(providers.AbstractSingleton(Example),
providers.BaseSingleton)
def test_repr():
provider = providers.AbstractSingleton(Example)
assert repr(provider) == ("<dependency_injector.providers."
"AbstractSingleton({0}) at {1}>".format(
repr(Example), hex(id(provider))))
def test_reset_not_overridden():
provider = providers.AbstractSingleton(object)
with raises(errors.Error):
provider.reset()
def test_call_overridden_by_singleton():
provider = providers.AbstractSingleton(object)
provider.override(providers.Singleton(Example))
assert isinstance(provider(), Example)
