mirror of
https://github.com/ets-labs/python-dependency-injector.git
synced 2024-11-22 17:47:02 +03:00
283 lines
9.7 KiB
Python
283 lines
9.7 KiB
Python
"""Dependency injector callable providers unit tests."""
|
|
|
|
import sys
|
|
|
|
import unittest2 as unittest
|
|
|
|
from dependency_injector import (
|
|
providers,
|
|
errors,
|
|
)
|
|
|
|
|
|
def _example(arg1, arg2, arg3, arg4):
|
|
return arg1, arg2, arg3, arg4
|
|
|
|
|
|
class CallableTests(unittest.TestCase):
|
|
|
|
def test_init_with_callable(self):
|
|
self.assertTrue(providers.Callable(_example))
|
|
|
|
def test_init_with_not_callable(self):
|
|
self.assertRaises(errors.Error, providers.Callable, 123)
|
|
|
|
def test_call(self):
|
|
provider = providers.Callable(lambda: True)
|
|
self.assertTrue(provider())
|
|
|
|
def test_call_with_positional_args(self):
|
|
provider = providers.Callable(_example,
|
|
1, 2, 3, 4)
|
|
self.assertTupleEqual(provider(), (1, 2, 3, 4))
|
|
|
|
def test_call_with_keyword_args(self):
|
|
provider = providers.Callable(_example,
|
|
arg1=1, arg2=2, arg3=3, arg4=4)
|
|
self.assertTupleEqual(provider(), (1, 2, 3, 4))
|
|
|
|
def test_call_with_positional_and_keyword_args(self):
|
|
provider = providers.Callable(_example,
|
|
1, 2,
|
|
arg3=3, arg4=4)
|
|
self.assertTupleEqual(provider(), (1, 2, 3, 4))
|
|
|
|
def test_call_with_context_args(self):
|
|
provider = providers.Callable(_example, 1, 2)
|
|
self.assertTupleEqual(provider(3, 4), (1, 2, 3, 4))
|
|
|
|
def test_call_with_context_kwargs(self):
|
|
provider = providers.Callable(_example, arg1=1)
|
|
self.assertTupleEqual(provider(arg2=2, arg3=3, arg4=4), (1, 2, 3, 4))
|
|
|
|
def test_call_with_context_args_and_kwargs(self):
|
|
provider = providers.Callable(_example, 1)
|
|
self.assertTupleEqual(provider(2, arg3=3, arg4=4), (1, 2, 3, 4))
|
|
|
|
def test_fluent_interface(self):
|
|
provider = providers.Singleton(_example) \
|
|
.add_args(1, 2) \
|
|
.add_kwargs(arg3=3, arg4=4)
|
|
|
|
self.assertTupleEqual(provider(), (1, 2, 3, 4))
|
|
|
|
def test_set_args(self):
|
|
provider = providers.Callable(_example) \
|
|
.add_args(1, 2) \
|
|
.set_args(3, 4)
|
|
self.assertEqual(provider.args, tuple([3, 4]))
|
|
|
|
def test_set_kwargs(self):
|
|
provider = providers.Callable(_example) \
|
|
.add_kwargs(init_arg3=3, init_arg4=4) \
|
|
.set_kwargs(init_arg3=4, init_arg4=5)
|
|
self.assertEqual(provider.kwargs, dict(init_arg3=4, init_arg4=5))
|
|
|
|
def test_clear_args(self):
|
|
provider = providers.Callable(_example) \
|
|
.add_args(1, 2) \
|
|
.clear_args()
|
|
self.assertEqual(provider.args, tuple())
|
|
|
|
def test_clear_kwargs(self):
|
|
provider = providers.Callable(_example) \
|
|
.add_kwargs(init_arg3=3, init_arg4=4) \
|
|
.clear_kwargs()
|
|
self.assertEqual(provider.kwargs, dict())
|
|
|
|
def test_call_overridden(self):
|
|
provider = providers.Callable(_example)
|
|
|
|
provider.override(providers.Object((4, 3, 2, 1)))
|
|
provider.override(providers.Object((1, 2, 3, 4)))
|
|
|
|
self.assertTupleEqual(provider(), (1, 2, 3, 4))
|
|
|
|
def test_deepcopy(self):
|
|
provider = providers.Callable(_example)
|
|
|
|
provider_copy = providers.deepcopy(provider)
|
|
|
|
self.assertIsNot(provider, provider_copy)
|
|
self.assertIs(provider.provides, provider_copy.provides)
|
|
self.assertIsInstance(provider, providers.Callable)
|
|
|
|
def test_deepcopy_from_memo(self):
|
|
provider = providers.Callable(_example)
|
|
provider_copy_memo = providers.Callable(_example)
|
|
|
|
provider_copy = providers.deepcopy(
|
|
provider, memo={id(provider): provider_copy_memo})
|
|
|
|
self.assertIs(provider_copy, provider_copy_memo)
|
|
|
|
def test_deepcopy_args(self):
|
|
provider = providers.Callable(_example)
|
|
dependent_provider1 = providers.Callable(list)
|
|
dependent_provider2 = providers.Callable(dict)
|
|
|
|
provider.add_args(dependent_provider1, dependent_provider2)
|
|
|
|
provider_copy = providers.deepcopy(provider)
|
|
dependent_provider_copy1 = provider_copy.args[0]
|
|
dependent_provider_copy2 = provider_copy.args[1]
|
|
|
|
self.assertNotEqual(provider.args, provider_copy.args)
|
|
|
|
self.assertIs(dependent_provider1.provides,
|
|
dependent_provider_copy1.provides)
|
|
self.assertIsNot(dependent_provider1, dependent_provider_copy1)
|
|
|
|
self.assertIs(dependent_provider2.provides,
|
|
dependent_provider_copy2.provides)
|
|
self.assertIsNot(dependent_provider2, dependent_provider_copy2)
|
|
|
|
def test_deepcopy_kwargs(self):
|
|
provider = providers.Callable(_example)
|
|
dependent_provider1 = providers.Callable(list)
|
|
dependent_provider2 = providers.Callable(dict)
|
|
|
|
provider.add_kwargs(a1=dependent_provider1, a2=dependent_provider2)
|
|
|
|
provider_copy = providers.deepcopy(provider)
|
|
dependent_provider_copy1 = provider_copy.kwargs['a1']
|
|
dependent_provider_copy2 = provider_copy.kwargs['a2']
|
|
|
|
self.assertNotEqual(provider.kwargs, provider_copy.kwargs)
|
|
|
|
self.assertIs(dependent_provider1.provides,
|
|
dependent_provider_copy1.provides)
|
|
self.assertIsNot(dependent_provider1, dependent_provider_copy1)
|
|
|
|
self.assertIs(dependent_provider2.provides,
|
|
dependent_provider_copy2.provides)
|
|
self.assertIsNot(dependent_provider2, dependent_provider_copy2)
|
|
|
|
def test_deepcopy_overridden(self):
|
|
provider = providers.Callable(_example)
|
|
object_provider = providers.Object(object())
|
|
|
|
provider.override(object_provider)
|
|
|
|
provider_copy = providers.deepcopy(provider)
|
|
object_provider_copy = provider_copy.overridden[0]
|
|
|
|
self.assertIsNot(provider, provider_copy)
|
|
self.assertIs(provider.provides, provider_copy.provides)
|
|
self.assertIsInstance(provider, providers.Callable)
|
|
|
|
self.assertIsNot(object_provider, object_provider_copy)
|
|
self.assertIsInstance(object_provider_copy, providers.Object)
|
|
|
|
def test_deepcopy_with_sys_streams(self):
|
|
provider = providers.Callable(_example)
|
|
provider.add_args(sys.stdin)
|
|
provider.add_kwargs(a2=sys.stdout)
|
|
|
|
provider_copy = providers.deepcopy(provider)
|
|
|
|
self.assertIsNot(provider, provider_copy)
|
|
self.assertIsInstance(provider_copy, providers.Callable)
|
|
self.assertIs(provider.args[0], sys.stdin)
|
|
self.assertIs(provider.kwargs['a2'], sys.stdout)
|
|
|
|
def test_repr(self):
|
|
provider = providers.Callable(_example)
|
|
|
|
self.assertEqual(repr(provider),
|
|
'<dependency_injector.providers.'
|
|
'Callable({0}) at {1}>'.format(
|
|
repr(_example),
|
|
hex(id(provider))))
|
|
|
|
|
|
class DelegatedCallableTests(unittest.TestCase):
|
|
|
|
def test_inheritance(self):
|
|
self.assertIsInstance(providers.DelegatedCallable(_example),
|
|
providers.Callable)
|
|
|
|
def test_is_provider(self):
|
|
self.assertTrue(
|
|
providers.is_provider(providers.DelegatedCallable(_example)))
|
|
|
|
def test_is_delegated_provider(self):
|
|
provider = providers.DelegatedCallable(_example)
|
|
self.assertTrue(providers.is_delegated(provider))
|
|
|
|
def test_repr(self):
|
|
provider = providers.DelegatedCallable(_example)
|
|
|
|
self.assertEqual(repr(provider),
|
|
'<dependency_injector.providers.'
|
|
'DelegatedCallable({0}) at {1}>'.format(
|
|
repr(_example),
|
|
hex(id(provider))))
|
|
|
|
|
|
class AbstractCallableTests(unittest.TestCase):
|
|
|
|
def test_inheritance(self):
|
|
self.assertIsInstance(providers.AbstractCallable(_example),
|
|
providers.Callable)
|
|
|
|
def test_call_overridden_by_callable(self):
|
|
def _abstract_example():
|
|
pass
|
|
|
|
provider = providers.AbstractCallable(_abstract_example)
|
|
provider.override(providers.Callable(_example))
|
|
|
|
self.assertTrue(provider(1, 2, 3, 4), (1, 2, 3, 4))
|
|
|
|
def test_call_overridden_by_delegated_callable(self):
|
|
def _abstract_example():
|
|
pass
|
|
|
|
provider = providers.AbstractCallable(_abstract_example)
|
|
provider.override(providers.DelegatedCallable(_example))
|
|
|
|
self.assertTrue(provider(1, 2, 3, 4), (1, 2, 3, 4))
|
|
|
|
def test_call_not_overridden(self):
|
|
provider = providers.AbstractCallable(_example)
|
|
|
|
with self.assertRaises(errors.Error):
|
|
provider(1, 2, 3, 4)
|
|
|
|
def test_override_by_not_callable(self):
|
|
provider = providers.AbstractCallable(_example)
|
|
|
|
with self.assertRaises(errors.Error):
|
|
provider.override(providers.Factory(object))
|
|
|
|
def test_provide_not_implemented(self):
|
|
provider = providers.AbstractCallable(_example)
|
|
|
|
with self.assertRaises(NotImplementedError):
|
|
provider._provide((1, 2, 3, 4), dict())
|
|
|
|
def test_repr(self):
|
|
provider = providers.AbstractCallable(_example)
|
|
|
|
self.assertEqual(repr(provider),
|
|
'<dependency_injector.providers.'
|
|
'AbstractCallable({0}) at {1}>'.format(
|
|
repr(_example),
|
|
hex(id(provider))))
|
|
|
|
|
|
class CallableDelegateTests(unittest.TestCase):
|
|
|
|
def setUp(self):
|
|
self.delegated = providers.Callable(_example)
|
|
self.delegate = providers.CallableDelegate(self.delegated)
|
|
|
|
def test_is_delegate(self):
|
|
self.assertIsInstance(self.delegate, providers.Delegate)
|
|
|
|
def test_init_with_not_callable(self):
|
|
self.assertRaises(errors.Error,
|
|
providers.CallableDelegate,
|
|
providers.Object(object()))
|