python-dependency-injector/tests/unit/providers/test_configuration.py
2017-07-07 17:43:12 +03:00

134 lines
4.6 KiB
Python

"""Dependency injector config providers unit tests."""
import unittest2 as unittest
from dependency_injector import providers
class ConfigTests(unittest.TestCase):
def setUp(self):
self.config = providers.Configuration(name='config')
def tearDown(self):
del self.config
def test_providers_are_providers(self):
self.assertTrue(providers.is_provider(self.config.a))
self.assertTrue(providers.is_provider(self.config.a.b))
self.assertTrue(providers.is_provider(self.config.a.b.c))
self.assertTrue(providers.is_provider(self.config.a.b.d))
def test_providers_are_not_delegates(self):
self.assertFalse(providers.is_delegated(self.config.a))
self.assertFalse(providers.is_delegated(self.config.a.b))
self.assertFalse(providers.is_delegated(self.config.a.b.c))
self.assertFalse(providers.is_delegated(self.config.a.b.d))
def test_providers_identity(self):
self.assertIs(self.config.a, self.config.a)
self.assertIs(self.config.a.b, self.config.a.b)
self.assertIs(self.config.a.b.c, self.config.a.b.c)
self.assertIs(self.config.a.b.d, self.config.a.b.d)
def test_get_name(self):
self.assertEqual(self.config.a.b.c.get_name(), 'config.a.b.c')
def test_providers_value_setting(self):
a = self.config.a
ab = self.config.a.b
abc = self.config.a.b.c
abd = self.config.a.b.d
self.config.update({'a': {'b': {'c': 1, 'd': 2}}})
self.assertEqual(a(), {'b': {'c': 1, 'd': 2}})
self.assertEqual(ab(), {'c': 1, 'd': 2})
self.assertEqual(abc(), 1)
self.assertEqual(abd(), 2)
def test_providers_with_already_set_value(self):
self.config.update({'a': {'b': {'c': 1, 'd': 2}}})
a = self.config.a
ab = self.config.a.b
abc = self.config.a.b.c
abd = self.config.a.b.d
self.assertEqual(a(), {'b': {'c': 1, 'd': 2}})
self.assertEqual(ab(), {'c': 1, 'd': 2})
self.assertEqual(abc(), 1)
self.assertEqual(abd(), 2)
def test_providers_with_default_value(self):
self.config = providers.Configuration(
name='config', default={'a': {'b': {'c': 1, 'd': 2}}})
a = self.config.a
ab = self.config.a.b
abc = self.config.a.b.c
abd = self.config.a.b.d
self.assertEqual(a(), {'b': {'c': 1, 'd': 2}})
self.assertEqual(ab(), {'c': 1, 'd': 2})
self.assertEqual(abc(), 1)
self.assertEqual(abd(), 2)
def test_value_of_undefined_option(self):
self.assertIsNone(self.config.a())
def test_getting_of_special_attributes(self):
with self.assertRaises(AttributeError):
self.config.__name__
def test_getting_of_special_attributes_from_child(self):
a = self.config.a
with self.assertRaises(AttributeError):
a.__name__
def test_deepcopy(self):
provider = providers.Configuration('config')
provider_copy = providers.deepcopy(provider)
self.assertIsNot(provider, provider_copy)
self.assertIsInstance(provider, providers.Configuration)
def test_deepcopy_from_memo(self):
provider = providers.Configuration('config')
provider_copy_memo = providers.Configuration('config')
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.Configuration('config')
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.assertIsInstance(provider, providers.Configuration)
self.assertIsNot(object_provider, object_provider_copy)
self.assertIsInstance(object_provider_copy, providers.Object)
def test_repr(self):
self.assertEqual(repr(self.config),
'<dependency_injector.providers.'
'Configuration({0}) at {1}>'.format(
repr('config'),
hex(id(self.config))))
def test_repr_child(self):
self.assertEqual(repr(self.config.a.b.c),
'<dependency_injector.providers.'
'Configuration({0}) at {1}>'.format(
repr('config.a.b.c'),
hex(id(self.config.a.b.c))))