python-dependency-injector/tests/unit/providers/test_injections.py
2016-11-10 21:00:23 +02:00

107 lines
3.7 KiB
Python

"""Dependency injector injections unit tests."""
import unittest2 as unittest
from dependency_injector import providers
class PositionalInjectionTests(unittest.TestCase):
def test_isinstance(self):
injection = providers.PositionalInjection(1)
self.assertIsInstance(injection, providers.Injection)
def test_get_value_with_not_provider(self):
injection = providers.PositionalInjection(123)
self.assertEquals(injection.get_value(), 123)
def test_get_value_with_factory(self):
injection = providers.PositionalInjection(providers.Factory(object))
obj1 = injection.get_value()
obj2 = injection.get_value()
self.assertIs(type(obj1), object)
self.assertIs(type(obj2), object)
self.assertIsNot(obj1, obj2)
def test_get_original_value(self):
provider = providers.Factory(object)
injection = providers.PositionalInjection(provider)
self.assertIs(injection.get_original_value(), provider)
def test_deepcopy(self):
provider = providers.Factory(object)
injection = providers.PositionalInjection(provider)
injection_copy = providers.deepcopy(injection)
self.assertIsNot(injection_copy, injection)
self.assertIsNot(injection_copy.get_original_value(),
injection.get_original_value())
def test_deepcopy_memo(self):
provider = providers.Factory(object)
injection = providers.PositionalInjection(provider)
injection_copy_orig = providers.PositionalInjection(provider)
injection_copy = providers.deepcopy(
injection, {id(injection): injection_copy_orig})
self.assertIs(injection_copy, injection_copy_orig)
self.assertIs(injection_copy.get_original_value(),
injection.get_original_value())
class NamedInjectionTests(unittest.TestCase):
def test_isinstance(self):
injection = providers.NamedInjection('name', 1)
self.assertIsInstance(injection, providers.Injection)
def test_get_name(self):
injection = providers.NamedInjection('name', 123)
self.assertEquals(injection.get_name(), 'name')
def test_get_value_with_not_provider(self):
injection = providers.NamedInjection('name', 123)
self.assertEquals(injection.get_value(), 123)
def test_get_value_with_factory(self):
injection = providers.NamedInjection('name',
providers.Factory(object))
obj1 = injection.get_value()
obj2 = injection.get_value()
self.assertIs(type(obj1), object)
self.assertIs(type(obj2), object)
self.assertIsNot(obj1, obj2)
def test_get_original_value(self):
provider = providers.Factory(object)
injection = providers.NamedInjection('name', provider)
self.assertIs(injection.get_original_value(), provider)
def test_deepcopy(self):
provider = providers.Factory(object)
injection = providers.NamedInjection('name', provider)
injection_copy = providers.deepcopy(injection)
self.assertIsNot(injection_copy, injection)
self.assertIsNot(injection_copy.get_original_value(),
injection.get_original_value())
def test_deepcopy_memo(self):
provider = providers.Factory(object)
injection = providers.NamedInjection('name', provider)
injection_copy_orig = providers.NamedInjection('name', provider)
injection_copy = providers.deepcopy(
injection, {id(injection): injection_copy_orig})
self.assertIs(injection_copy, injection_copy_orig)
self.assertIs(injection_copy.get_original_value(),
injection.get_original_value())