mirror of
https://github.com/ets-labs/python-dependency-injector.git
synced 2024-11-23 01:56:58 +03:00
828 lines
30 KiB
Python
828 lines
30 KiB
Python
"""Dependency injector providers unittests."""
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import unittest2 as unittest
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from dependency_injector import providers
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from dependency_injector import injections
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from dependency_injector import errors
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from dependency_injector import utils
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class Example(object):
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"""Example class for Factory provider tests."""
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def __init__(self, init_arg1=None, init_arg2=None, init_arg3=None,
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init_arg4=None):
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"""Initializer."""
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self.init_arg1 = init_arg1
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self.init_arg2 = init_arg2
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self.init_arg3 = init_arg3
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self.init_arg4 = init_arg4
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self.attribute1 = None
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self.attribute2 = None
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self.method1_value = None
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self.method2_value = None
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def method1(self, value):
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"""Setter method 1."""
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self.method1_value = value
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def method2(self, value):
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"""Setter method 2."""
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self.method2_value = value
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class ProviderTests(unittest.TestCase):
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"""Provider test cases."""
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def setUp(self):
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"""Set test cases environment up."""
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self.provider = providers.Provider()
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def test_is_provider(self):
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"""Test `is_provider` check."""
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self.assertTrue(utils.is_provider(self.provider))
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def test_call(self):
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"""Test call."""
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self.assertRaises(NotImplementedError, self.provider.__call__)
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def test_delegate(self):
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"""Test creating of provider delegation."""
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delegate1 = self.provider.delegate()
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self.assertIsInstance(delegate1, providers.Delegate)
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self.assertIs(delegate1(), self.provider)
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delegate2 = self.provider.delegate()
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self.assertIsInstance(delegate2, providers.Delegate)
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self.assertIs(delegate2(), self.provider)
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self.assertIsNot(delegate1, delegate2)
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def test_override(self):
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"""Test provider overriding."""
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overriding_provider = providers.Provider()
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self.provider.override(overriding_provider)
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self.assertTrue(self.provider.is_overridden)
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def test_override_with_itself(self):
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"""Test provider overriding with itself."""
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self.assertRaises(errors.Error, self.provider.override, self.provider)
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def test_override_with_not_provider(self):
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"""Test provider overriding with not provider instance."""
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self.assertRaises(errors.Error, self.provider.override, object())
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def test_last_overriding(self):
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"""Test getting last overriding provider."""
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overriding_provider1 = providers.Provider()
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overriding_provider2 = providers.Provider()
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self.provider.override(overriding_provider1)
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self.assertIs(self.provider.last_overriding, overriding_provider1)
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self.provider.override(overriding_provider2)
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self.assertIs(self.provider.last_overriding, overriding_provider2)
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def test_last_overriding_of_not_overridden_provider(self):
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"""Test getting last overriding from not overridden provider."""
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try:
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self.provider.last_overriding
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except errors.Error:
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pass
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else:
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self.fail('Got en error in {}'.format(
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str(self.test_last_overriding_of_not_overridden_provider)))
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def test_reset_last_overriding(self):
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"""Test reseting of last overriding provider."""
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overriding_provider1 = providers.Provider()
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overriding_provider2 = providers.Provider()
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self.provider.override(overriding_provider1)
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self.provider.override(overriding_provider2)
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self.assertIs(self.provider.last_overriding, overriding_provider2)
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self.provider.reset_last_overriding()
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self.assertIs(self.provider.last_overriding, overriding_provider1)
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self.provider.reset_last_overriding()
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self.assertFalse(self.provider.is_overridden)
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def test_reset_last_overriding_of_not_overridden_provider(self):
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"""Test resetting of last overriding on not overridden provier."""
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self.assertRaises(errors.Error, self.provider.reset_last_overriding)
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def test_reset_override(self):
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"""Test reset of provider's override."""
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overriding_provider = providers.Provider()
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self.provider.override(overriding_provider)
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self.assertTrue(self.provider.is_overridden)
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self.assertIs(self.provider.last_overriding, overriding_provider)
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self.provider.reset_override()
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self.assertFalse(self.provider.is_overridden)
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try:
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self.provider.last_overriding
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except errors.Error:
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pass
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else:
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self.fail('Got en error in {}'.format(
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str(self.test_last_overriding_of_not_overridden_provider)))
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class DelegateTests(unittest.TestCase):
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"""Delegate test cases."""
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def setUp(self):
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"""Set test cases environment up."""
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self.delegated = providers.Provider()
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self.delegate = providers.Delegate(delegated=self.delegated)
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def test_is_provider(self):
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"""Test `is_provider` check."""
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self.assertTrue(utils.is_provider(self.delegate))
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def test_init_with_not_provider(self):
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"""Test that delegate accepts only another provider as delegated."""
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self.assertRaises(errors.Error, providers.Delegate, delegated=object())
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def test_call(self):
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"""Test returning of delegated provider."""
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delegated1 = self.delegate()
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delegated2 = self.delegate()
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self.assertIs(delegated1, self.delegated)
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self.assertIs(delegated2, self.delegated)
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class FactoryTests(unittest.TestCase):
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"""Factory test cases."""
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def test_is_provider(self):
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"""Test `is_provider` check."""
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self.assertTrue(utils.is_provider(providers.Factory(Example)))
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def test_init_with_callable(self):
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"""Test creation of provider with a callable."""
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self.assertTrue(providers.Factory(credits))
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def test_init_with_not_callable(self):
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"""Test creation of provider with not a callable."""
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self.assertRaises(errors.Error, providers.Factory, 123)
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def test_call(self):
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"""Test creation of new instances."""
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provider = providers.Factory(Example)
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instance1 = provider()
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instance2 = provider()
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self.assertIsNot(instance1, instance2)
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self.assertIsInstance(instance1, Example)
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self.assertIsInstance(instance2, Example)
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def test_call_with_init_positional_args(self):
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"""Test creation of new instances with init positional args.
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New simplified syntax.
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"""
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provider = providers.Factory(Example, 'i1', 'i2')
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instance1 = provider()
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instance2 = provider()
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self.assertEqual(instance1.init_arg1, 'i1')
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self.assertEqual(instance1.init_arg2, 'i2')
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self.assertEqual(instance2.init_arg1, 'i1')
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self.assertEqual(instance2.init_arg2, 'i2')
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self.assertIsNot(instance1, instance2)
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self.assertIsInstance(instance1, Example)
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self.assertIsInstance(instance2, Example)
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def test_call_with_init_keyword_args(self):
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"""Test creation of new instances with init keyword args.
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New simplified syntax.
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"""
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provider = providers.Factory(Example, init_arg1='i1', init_arg2='i2')
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instance1 = provider()
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instance2 = provider()
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self.assertEqual(instance1.init_arg1, 'i1')
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self.assertEqual(instance1.init_arg2, 'i2')
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self.assertEqual(instance2.init_arg1, 'i1')
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self.assertEqual(instance2.init_arg2, 'i2')
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self.assertIsNot(instance1, instance2)
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self.assertIsInstance(instance1, Example)
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self.assertIsInstance(instance2, Example)
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def test_call_with_init_positional_and_keyword_args(self):
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"""Test creation of new instances with init positional and keyword args.
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Simplified syntax of positional and keyword arg injections.
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"""
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provider = providers.Factory(Example, 'i1', init_arg2='i2')
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instance1 = provider()
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instance2 = provider()
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self.assertEqual(instance1.init_arg1, 'i1')
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self.assertEqual(instance1.init_arg2, 'i2')
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self.assertEqual(instance2.init_arg1, 'i1')
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self.assertEqual(instance2.init_arg2, 'i2')
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self.assertIsNot(instance1, instance2)
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self.assertIsInstance(instance1, Example)
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self.assertIsInstance(instance2, Example)
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def test_call_with_init_positional_and_keyword_args_extended_syntax(self):
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"""Test creation of new instances with init positional and keyword args.
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Extended syntax of positional and keyword arg injections.
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"""
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provider = providers.Factory(Example,
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injections.Arg('i1'),
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injections.KwArg('init_arg2', 'i2'))
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instance1 = provider()
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instance2 = provider()
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self.assertEqual(instance1.init_arg1, 'i1')
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self.assertEqual(instance1.init_arg2, 'i2')
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self.assertEqual(instance2.init_arg1, 'i1')
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self.assertEqual(instance2.init_arg2, 'i2')
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self.assertIsNot(instance1, instance2)
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self.assertIsInstance(instance1, Example)
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self.assertIsInstance(instance2, Example)
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def test_call_with_attributes(self):
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"""Test creation of new instances with attribute injections."""
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provider = providers.Factory(Example,
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injections.Attribute('attribute1', 'a1'),
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injections.Attribute('attribute2', 'a2'))
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instance1 = provider()
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instance2 = provider()
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self.assertEqual(instance1.attribute1, 'a1')
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self.assertEqual(instance1.attribute2, 'a2')
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self.assertEqual(instance2.attribute1, 'a1')
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self.assertEqual(instance2.attribute2, 'a2')
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self.assertIsNot(instance1, instance2)
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self.assertIsInstance(instance1, Example)
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self.assertIsInstance(instance2, Example)
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def test_call_with_methods(self):
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"""Test creation of new instances with method injections."""
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provider = providers.Factory(Example,
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injections.Method('method1', 'm1'),
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injections.Method('method2', 'm2'))
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instance1 = provider()
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instance2 = provider()
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self.assertEqual(instance1.method1_value, 'm1')
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self.assertEqual(instance1.method2_value, 'm2')
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self.assertEqual(instance2.method1_value, 'm1')
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self.assertEqual(instance2.method2_value, 'm2')
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self.assertIsNot(instance1, instance2)
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self.assertIsInstance(instance1, Example)
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self.assertIsInstance(instance2, Example)
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def test_call_with_context_args(self):
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"""Test creation of new instances with context args."""
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provider = providers.Factory(Example, 11, 22)
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instance = provider(33, 44)
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self.assertEqual(instance.init_arg1, 11)
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self.assertEqual(instance.init_arg2, 22)
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self.assertEqual(instance.init_arg3, 33)
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self.assertEqual(instance.init_arg4, 44)
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def test_call_with_context_kwargs(self):
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"""Test creation of new instances with context kwargs."""
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provider = providers.Factory(Example,
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injections.KwArg('init_arg1', 1))
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instance1 = provider(init_arg2=22)
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self.assertEqual(instance1.init_arg1, 1)
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self.assertEqual(instance1.init_arg2, 22)
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instance2 = provider(init_arg1=11, init_arg2=22)
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self.assertEqual(instance2.init_arg1, 11)
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self.assertEqual(instance2.init_arg2, 22)
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def test_call_with_context_args_and_kwargs(self):
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"""Test creation of new instances with context args and kwargs."""
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provider = providers.Factory(Example, 11)
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instance = provider(22, init_arg3=33, init_arg4=44)
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self.assertEqual(instance.init_arg1, 11)
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self.assertEqual(instance.init_arg2, 22)
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self.assertEqual(instance.init_arg3, 33)
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self.assertEqual(instance.init_arg4, 44)
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def test_call_overridden(self):
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"""Test creation of new instances on overridden provider."""
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provider = providers.Factory(Example)
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overriding_provider1 = providers.Factory(dict)
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overriding_provider2 = providers.Factory(list)
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provider.override(overriding_provider1)
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provider.override(overriding_provider2)
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instance1 = provider()
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instance2 = provider()
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self.assertIsNot(instance1, instance2)
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self.assertIsInstance(instance1, list)
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self.assertIsInstance(instance2, list)
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def test_injections(self):
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"""Test getting a full list of injections using injections property."""
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provider = providers.Factory(Example,
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injections.Arg(1),
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injections.KwArg('init_arg2', 2),
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injections.Attribute('attribute1', 3),
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injections.Attribute('attribute2', 4),
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injections.Method('method1', 5),
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injections.Method('method2', 6))
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self.assertEquals(len(provider.injections), 6)
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class SingletonTests(unittest.TestCase):
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"""Singleton test cases."""
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def test_is_provider(self):
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"""Test `is_provider` check."""
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self.assertTrue(utils.is_provider(providers.Singleton(Example)))
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def test_init_with_callable(self):
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"""Test creation of provider with a callable."""
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self.assertTrue(providers.Singleton(credits))
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def test_init_with_not_callable(self):
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"""Test creation of provider with not a callable."""
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self.assertRaises(errors.Error, providers.Singleton, 123)
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def test_call(self):
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"""Test getting of instances."""
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provider = providers.Singleton(Example)
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instance1 = provider()
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instance2 = provider()
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self.assertIs(instance1, instance2)
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self.assertIsInstance(instance1, Example)
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self.assertIsInstance(instance2, Example)
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def test_call_with_init_positional_args(self):
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"""Test getting of instances with init positional args.
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New simplified syntax.
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"""
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provider = providers.Singleton(Example, 'i1', 'i2')
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instance1 = provider()
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instance2 = provider()
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self.assertEqual(instance1.init_arg1, 'i1')
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self.assertEqual(instance1.init_arg2, 'i2')
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self.assertEqual(instance2.init_arg1, 'i1')
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self.assertEqual(instance2.init_arg2, 'i2')
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self.assertIs(instance1, instance2)
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self.assertIsInstance(instance1, Example)
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self.assertIsInstance(instance2, Example)
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def test_call_with_init_keyword_args(self):
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"""Test getting of instances with init keyword args.
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New simplified syntax.
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"""
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provider = providers.Singleton(Example, init_arg1='i1', init_arg2='i2')
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instance1 = provider()
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instance2 = provider()
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self.assertEqual(instance1.init_arg1, 'i1')
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self.assertEqual(instance1.init_arg2, 'i2')
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self.assertEqual(instance2.init_arg1, 'i1')
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self.assertEqual(instance2.init_arg2, 'i2')
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self.assertIs(instance1, instance2)
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self.assertIsInstance(instance1, Example)
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self.assertIsInstance(instance2, Example)
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def test_call_with_init_positional_and_keyword_args(self):
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"""Test getting of instances with init positional and keyword args.
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Simplified syntax of positional and keyword arg injections.
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"""
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provider = providers.Singleton(Example, 'i1', init_arg2='i2')
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instance1 = provider()
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instance2 = provider()
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self.assertEqual(instance1.init_arg1, 'i1')
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self.assertEqual(instance1.init_arg2, 'i2')
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self.assertEqual(instance2.init_arg1, 'i1')
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self.assertEqual(instance2.init_arg2, 'i2')
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self.assertIs(instance1, instance2)
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self.assertIsInstance(instance1, Example)
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self.assertIsInstance(instance2, Example)
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def test_call_with_init_positional_and_keyword_args_extended_syntax(self):
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"""Test getting of instances with init positional and keyword args.
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Extended syntax of positional and keyword arg injections.
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"""
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provider = providers.Singleton(Example,
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injections.Arg('i1'),
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injections.KwArg('init_arg2', 'i2'))
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instance1 = provider()
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instance2 = provider()
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self.assertEqual(instance1.init_arg1, 'i1')
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self.assertEqual(instance1.init_arg2, 'i2')
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self.assertEqual(instance2.init_arg1, 'i1')
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self.assertEqual(instance2.init_arg2, 'i2')
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self.assertIs(instance1, instance2)
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self.assertIsInstance(instance1, Example)
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self.assertIsInstance(instance2, Example)
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def test_call_with_attributes(self):
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"""Test getting of instances with attribute injections."""
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provider = providers.Singleton(Example,
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injections.Attribute('attribute1',
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'a1'),
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injections.Attribute('attribute2',
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'a2'))
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instance1 = provider()
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instance2 = provider()
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self.assertEqual(instance1.attribute1, 'a1')
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self.assertEqual(instance1.attribute2, 'a2')
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self.assertEqual(instance2.attribute1, 'a1')
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self.assertEqual(instance2.attribute2, 'a2')
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self.assertIs(instance1, instance2)
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self.assertIsInstance(instance1, Example)
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self.assertIsInstance(instance2, Example)
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def test_call_with_methods(self):
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"""Test getting of instances with method injections."""
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provider = providers.Singleton(Example,
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injections.Method('method1', 'm1'),
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injections.Method('method2', 'm2'))
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instance1 = provider()
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instance2 = provider()
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self.assertEqual(instance1.method1_value, 'm1')
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self.assertEqual(instance1.method2_value, 'm2')
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self.assertEqual(instance2.method1_value, 'm1')
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self.assertEqual(instance2.method2_value, 'm2')
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self.assertIs(instance1, instance2)
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self.assertIsInstance(instance1, Example)
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self.assertIsInstance(instance2, Example)
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def test_call_with_context_args(self):
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"""Test getting of instances with context args."""
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provider = providers.Singleton(Example)
|
|
instance = provider(11, 22)
|
|
|
|
self.assertEqual(instance.init_arg1, 11)
|
|
self.assertEqual(instance.init_arg2, 22)
|
|
|
|
def test_call_with_context_kwargs(self):
|
|
"""Test getting of instances with context kwargs."""
|
|
provider = providers.Singleton(Example,
|
|
injections.KwArg('init_arg1', 1))
|
|
|
|
instance1 = provider(init_arg2=22)
|
|
self.assertEqual(instance1.init_arg1, 1)
|
|
self.assertEqual(instance1.init_arg2, 22)
|
|
|
|
# Instance is created earlier
|
|
instance1 = provider(init_arg1=11, init_arg2=22)
|
|
self.assertEqual(instance1.init_arg1, 1)
|
|
self.assertEqual(instance1.init_arg2, 22)
|
|
|
|
def test_call_with_context_args_and_kwargs(self):
|
|
"""Test getting of instances with context args and kwargs."""
|
|
provider = providers.Singleton(Example, 11)
|
|
instance = provider(22, init_arg3=33, init_arg4=44)
|
|
|
|
self.assertEqual(instance.init_arg1, 11)
|
|
self.assertEqual(instance.init_arg2, 22)
|
|
self.assertEqual(instance.init_arg3, 33)
|
|
self.assertEqual(instance.init_arg4, 44)
|
|
|
|
def test_call_overridden(self):
|
|
"""Test getting of instances on overridden provider."""
|
|
provider = providers.Singleton(Example)
|
|
overriding_provider1 = providers.Singleton(dict)
|
|
overriding_provider2 = providers.Singleton(object)
|
|
|
|
provider.override(overriding_provider1)
|
|
provider.override(overriding_provider2)
|
|
|
|
instance1 = provider()
|
|
instance2 = provider()
|
|
|
|
self.assertIs(instance1, instance2)
|
|
self.assertIsInstance(instance1, object)
|
|
self.assertIsInstance(instance2, object)
|
|
|
|
def test_injections(self):
|
|
"""Test getting a full list of injections using injections property."""
|
|
provider = providers.Singleton(Example,
|
|
injections.Arg(1),
|
|
injections.KwArg('init_arg2', 2),
|
|
injections.Attribute('attribute1', 3),
|
|
injections.Attribute('attribute2', 4),
|
|
injections.Method('method1', 5),
|
|
injections.Method('method2', 6))
|
|
self.assertEquals(len(provider.injections), 6)
|
|
|
|
def test_reset(self):
|
|
"""Test creation and reset of single object."""
|
|
provider = providers.Singleton(object)
|
|
|
|
instance1 = provider()
|
|
self.assertIsInstance(instance1, object)
|
|
|
|
provider.reset()
|
|
|
|
instance2 = provider()
|
|
self.assertIsInstance(instance1, object)
|
|
|
|
self.assertIsNot(instance1, instance2)
|
|
|
|
|
|
class ExternalDependencyTests(unittest.TestCase):
|
|
"""ExternalDependency test cases."""
|
|
|
|
def setUp(self):
|
|
"""Set test cases environment up."""
|
|
self.provider = providers.ExternalDependency(instance_of=list)
|
|
|
|
def test_init_with_not_class(self):
|
|
"""Test creation with not a class."""
|
|
self.assertRaises(errors.Error, providers.ExternalDependency, object())
|
|
|
|
def test_is_provider(self):
|
|
"""Test `is_provider` check."""
|
|
self.assertTrue(utils.is_provider(self.provider))
|
|
|
|
def test_call_overridden(self):
|
|
"""Test call of overridden external dependency."""
|
|
self.provider.provided_by(providers.Factory(list))
|
|
self.assertIsInstance(self.provider(), list)
|
|
|
|
def test_call_overridden_but_not_instance_of(self):
|
|
"""Test call of overridden external dependency, but not instance of."""
|
|
self.provider.provided_by(providers.Factory(dict))
|
|
self.assertRaises(errors.Error, self.provider)
|
|
|
|
def test_call_not_overridden(self):
|
|
"""Test call of not satisfied external dependency."""
|
|
self.assertRaises(errors.Error, self.provider)
|
|
|
|
|
|
class StaticProvidersTests(unittest.TestCase):
|
|
"""Static providers test cases."""
|
|
|
|
def test_is_provider(self):
|
|
"""Test `is_provider` check."""
|
|
self.assertTrue(utils.is_provider(providers.Class(object)))
|
|
self.assertTrue(utils.is_provider(providers.Object(object())))
|
|
self.assertTrue(utils.is_provider(providers.Function(map)))
|
|
self.assertTrue(utils.is_provider(providers.Value(123)))
|
|
|
|
def test_call_class_provider(self):
|
|
"""Test Class provider call."""
|
|
self.assertIs(providers.Class(dict)(), dict)
|
|
|
|
def test_call_object_provider(self):
|
|
"""Test Object provider call."""
|
|
obj = object()
|
|
self.assertIs(providers.Object(obj)(), obj)
|
|
|
|
def test_call_function_provider(self):
|
|
"""Test Function provider call."""
|
|
self.assertIs(providers.Function(map)(), map)
|
|
|
|
def test_call_value_provider(self):
|
|
"""Test Value provider call."""
|
|
self.assertEqual(providers.Value(123)(), 123)
|
|
|
|
def test_call_overridden_class_provider(self):
|
|
"""Test overridden Class provider call."""
|
|
cls_provider = providers.Class(dict)
|
|
cls_provider.override(providers.Object(list))
|
|
self.assertIs(cls_provider(), list)
|
|
|
|
def test_call_overridden_object_provider(self):
|
|
"""Test overridden Object provider call."""
|
|
obj1 = object()
|
|
obj2 = object()
|
|
obj_provider = providers.Object(obj1)
|
|
obj_provider.override(providers.Object(obj2))
|
|
self.assertIs(obj_provider(), obj2)
|
|
|
|
def test_call_overridden_function_provider(self):
|
|
"""Test overridden Function provider call."""
|
|
function_provider = providers.Function(len)
|
|
function_provider.override(providers.Function(sum))
|
|
self.assertIs(function_provider(), sum)
|
|
|
|
def test_call_overridden_value_provider(self):
|
|
"""Test overridden Value provider call."""
|
|
value_provider = providers.Value(123)
|
|
value_provider.override(providers.Value(321))
|
|
self.assertEqual(value_provider(), 321)
|
|
|
|
|
|
class CallableTests(unittest.TestCase):
|
|
"""Callable test cases."""
|
|
|
|
def example(self, arg1, arg2, arg3, arg4):
|
|
"""Example callback."""
|
|
return arg1, arg2, arg3, arg4
|
|
|
|
def test_init_with_callable(self):
|
|
"""Test creation of provider with a callable."""
|
|
self.assertTrue(providers.Callable(self.example))
|
|
|
|
def test_init_with_not_callable(self):
|
|
"""Test creation of provider with not a callable."""
|
|
self.assertRaises(errors.Error, providers.Callable, 123)
|
|
|
|
def test_call(self):
|
|
"""Test call."""
|
|
provider = providers.Callable(lambda: True)
|
|
self.assertTrue(provider())
|
|
|
|
def test_call_with_positional_args(self):
|
|
"""Test call with positional args.
|
|
|
|
New simplified syntax.
|
|
"""
|
|
provider = providers.Callable(self.example, 1, 2, 3, 4)
|
|
self.assertTupleEqual(provider(), (1, 2, 3, 4))
|
|
|
|
def test_call_with_keyword_args(self):
|
|
"""Test call with keyword args.
|
|
|
|
New simplified syntax.
|
|
"""
|
|
provider = providers.Callable(self.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):
|
|
"""Test call with positional and keyword args.
|
|
|
|
Simplified syntax of positional and keyword arg injections.
|
|
"""
|
|
provider = providers.Callable(self.example, 1, 2, arg3=3, arg4=4)
|
|
self.assertTupleEqual(provider(), (1, 2, 3, 4))
|
|
|
|
def test_call_with_positional_and_keyword_args_extended_syntax(self):
|
|
"""Test call with positional and keyword args.
|
|
|
|
Extended syntax of positional and keyword arg injections.
|
|
"""
|
|
provider = providers.Callable(self.example,
|
|
injections.Arg(1),
|
|
injections.Arg(2),
|
|
injections.KwArg('arg3', 3),
|
|
injections.KwArg('arg4', 4))
|
|
self.assertTupleEqual(provider(), (1, 2, 3, 4))
|
|
|
|
def test_call_with_context_args(self):
|
|
"""Test call with context args."""
|
|
provider = providers.Callable(self.example, 1, 2)
|
|
self.assertTupleEqual(provider(3, 4), (1, 2, 3, 4))
|
|
|
|
def test_call_with_context_kwargs(self):
|
|
"""Test call with context kwargs."""
|
|
provider = providers.Callable(self.example,
|
|
injections.KwArg('arg1', 1))
|
|
self.assertTupleEqual(provider(arg2=2, arg3=3, arg4=4), (1, 2, 3, 4))
|
|
|
|
def test_call_with_context_args_and_kwargs(self):
|
|
"""Test call with context args and kwargs."""
|
|
provider = providers.Callable(self.example, 1)
|
|
self.assertTupleEqual(provider(2, arg3=3, arg4=4), (1, 2, 3, 4))
|
|
|
|
def test_call_overridden(self):
|
|
"""Test creation of new instances on overridden provider."""
|
|
provider = providers.Callable(self.example)
|
|
provider.override(providers.Value((4, 3, 2, 1)))
|
|
provider.override(providers.Value((1, 2, 3, 4)))
|
|
|
|
self.assertTupleEqual(provider(), (1, 2, 3, 4))
|
|
|
|
def test_injections(self):
|
|
"""Test getting a full list of injections using injections property."""
|
|
provider = providers.Callable(self.example, 1, 2, arg3=3, arg4=4)
|
|
self.assertEquals(len(provider.injections), 4)
|
|
|
|
|
|
class ConfigTests(unittest.TestCase):
|
|
"""Config test cases."""
|
|
|
|
def setUp(self):
|
|
"""Set test cases environment up."""
|
|
self.initial_data = dict(key='value',
|
|
category=dict(setting='setting_value'))
|
|
self.provider = providers.Config(self.initial_data)
|
|
|
|
def test_is_provider(self):
|
|
"""Test `is_provider` check."""
|
|
self.assertTrue(utils.is_provider(self.provider))
|
|
|
|
def test_init_without_initial_value(self):
|
|
"""Test provider's creation with no initial value."""
|
|
self.assertEqual(providers.Config()(), dict())
|
|
|
|
def test_call(self):
|
|
"""Test returning of config value."""
|
|
self.assertEqual(self.provider(), self.initial_data)
|
|
|
|
def test_update_from(self):
|
|
"""Test update of config value."""
|
|
self.assertEqual(self.provider(), self.initial_data)
|
|
|
|
self.initial_data['key'] = 'other_value'
|
|
self.provider.update_from(self.initial_data)
|
|
self.assertEqual(self.provider(), self.initial_data)
|
|
|
|
def test_call_child(self):
|
|
"""Test returning of child config values."""
|
|
category = self.provider.category
|
|
category_setting = self.provider.category.setting
|
|
|
|
self.assertTrue(utils.is_provider(category))
|
|
self.assertTrue(utils.is_provider(category_setting))
|
|
|
|
self.assertEqual(category(), self.initial_data['category'])
|
|
self.assertEqual(category_setting(),
|
|
self.initial_data['category']['setting'])
|
|
|
|
def test_call_deferred_child_and_update_from(self):
|
|
"""Test returning of deferred child config values."""
|
|
self.provider = providers.Config()
|
|
category = self.provider.category
|
|
category_setting = self.provider.category.setting
|
|
|
|
self.assertTrue(utils.is_provider(category))
|
|
self.assertTrue(utils.is_provider(category_setting))
|
|
|
|
self.provider.update_from(self.initial_data)
|
|
|
|
self.assertEqual(category(), self.initial_data['category'])
|
|
self.assertEqual(category_setting(),
|
|
self.initial_data['category']['setting'])
|
|
|
|
def test_call_deferred_child_with_empty_value(self):
|
|
"""Test returning of deferred child config values."""
|
|
self.provider = providers.Config()
|
|
category_setting = self.provider.category.setting
|
|
self.assertRaises(errors.Error, category_setting)
|