mirror of
https://github.com/ets-labs/python-dependency-injector.git
synced 2024-11-22 09:36:48 +03:00
116 lines
3.0 KiB
Python
116 lines
3.0 KiB
Python
"""Objects decorators unittests."""
|
|
|
|
import unittest2 as unittest
|
|
|
|
from objects.decorators import override
|
|
from objects.decorators import inject
|
|
|
|
from objects.catalog import AbstractCatalog
|
|
|
|
from objects.providers import Factory
|
|
from objects.providers import Object
|
|
from objects.providers import Value
|
|
|
|
from objects.injections import KwArg
|
|
|
|
from objects.errors import Error
|
|
|
|
|
|
class OverrideTests(unittest.TestCase):
|
|
|
|
"""Override decorator test cases."""
|
|
|
|
class Catalog(AbstractCatalog):
|
|
|
|
"""Test catalog."""
|
|
|
|
obj = Object(object())
|
|
another_obj = Object(object())
|
|
|
|
def test_overriding(self):
|
|
"""Test catalog overriding with another catalog."""
|
|
@override(self.Catalog)
|
|
class OverridingCatalog(self.Catalog):
|
|
|
|
"""Overriding catalog."""
|
|
|
|
obj = Value(1)
|
|
another_obj = Value(2)
|
|
|
|
self.assertEqual(self.Catalog.obj(), 1)
|
|
self.assertEqual(self.Catalog.another_obj(), 2)
|
|
|
|
|
|
class InjectTests(unittest.TestCase):
|
|
|
|
"""Inject decorator test cases."""
|
|
|
|
def test_decorated(self):
|
|
"""Test `inject()` decorated callback."""
|
|
provider1 = Factory(object)
|
|
provider2 = Factory(list)
|
|
|
|
@inject(KwArg('a', provider1))
|
|
@inject(KwArg('b', provider2))
|
|
def test(a, b):
|
|
return a, b
|
|
|
|
a1, b1 = test()
|
|
a2, b2 = test()
|
|
|
|
self.assertIsInstance(a1, object)
|
|
self.assertIsInstance(a2, object)
|
|
self.assertIsNot(a1, a2)
|
|
|
|
self.assertIsInstance(b1, list)
|
|
self.assertIsInstance(b2, list)
|
|
self.assertIsNot(b1, b2)
|
|
|
|
def test_decorated_kwargs_priority(self):
|
|
"""Test `inject()` decorated callback kwargs priority."""
|
|
provider1 = Factory(object)
|
|
provider2 = Factory(list)
|
|
object_a = object()
|
|
|
|
@inject(KwArg('a', provider1))
|
|
@inject(KwArg('b', provider2))
|
|
def test(a, b):
|
|
return a, b
|
|
|
|
a1, b1 = test(a=object_a)
|
|
a2, b2 = test(a=object_a)
|
|
|
|
self.assertIsInstance(a1, object)
|
|
self.assertIsInstance(a2, object)
|
|
self.assertIs(a1, object_a)
|
|
self.assertIs(a2, object_a)
|
|
|
|
self.assertIsInstance(b1, list)
|
|
self.assertIsInstance(b2, list)
|
|
self.assertIsNot(b1, b2)
|
|
|
|
def test_decorated_with_args(self):
|
|
"""Test `inject()` decorated callback with args."""
|
|
provider = Factory(list)
|
|
object_a = object()
|
|
|
|
@inject(KwArg('b', provider))
|
|
def test(a, b):
|
|
return a, b
|
|
|
|
a1, b1 = test(object_a)
|
|
a2, b2 = test(object_a)
|
|
|
|
self.assertIsInstance(a1, object)
|
|
self.assertIsInstance(a2, object)
|
|
self.assertIs(a1, object_a)
|
|
self.assertIs(a2, object_a)
|
|
|
|
self.assertIsInstance(b1, list)
|
|
self.assertIsInstance(b2, list)
|
|
self.assertIsNot(b1, b2)
|
|
|
|
def test_decorate_with_not_injection(self):
|
|
"""Test `inject()` decorator with not an injection instance."""
|
|
self.assertRaises(Error, inject, object)
|