# -*- coding: utf-8 -*- # Copyright (c) 2010 Mark Sandstrom # Copyright (c) 2011 Raphaël Barrois # # Permission is hereby granted, free of charge, to any person obtaining a copy # of this software and associated documentation files (the "Software"), to deal # in the Software without restriction, including without limitation the rights # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell # copies of the Software, and to permit persons to whom the Software is # furnished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included in # all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN # THE SOFTWARE. import warnings from factory import base from factory import declarations from .compat import unittest class TestObject(object): def __init__(self, one=None, two=None, three=None, four=None): self.one = one self.two = two self.three = three self.four = four class FakeDjangoModel(object): @classmethod def create(cls, **kwargs): instance = cls(**kwargs) instance.id = 1 return instance def __init__(self, **kwargs): for name, value in kwargs.items(): setattr(self, name, value) self.id = None class FakeModelFactory(base.Factory): ABSTRACT_FACTORY = True @classmethod def _create(cls, target_class, *args, **kwargs): return target_class.create(**kwargs) class TestModel(FakeDjangoModel): pass class SafetyTestCase(unittest.TestCase): def testBaseFactory(self): self.assertRaises(RuntimeError, base.BaseFactory) class FactoryTestCase(unittest.TestCase): def testDisplay(self): class TestObjectFactory(base.Factory): FACTORY_FOR = FakeDjangoModel self.assertIn('TestObjectFactory', str(TestObjectFactory)) self.assertIn('FakeDjangoModel', str(TestObjectFactory)) def testLazyAttributeNonExistentParam(self): class TestObjectFactory(base.Factory): FACTORY_FOR = TestObject one = declarations.LazyAttribute(lambda a: a.does_not_exist ) self.assertRaises(AttributeError, TestObjectFactory) def testInheritanceWithSequence(self): """Tests that sequence IDs are shared between parent and son.""" class TestObjectFactory(base.Factory): FACTORY_FOR = TestObject one = declarations.Sequence(lambda a: a) class TestSubFactory(TestObjectFactory): FACTORY_FOR = TestObject pass parent = TestObjectFactory.build() sub = TestSubFactory.build() alt_parent = TestObjectFactory.build() alt_sub = TestSubFactory.build() ones = set([x.one for x in (parent, alt_parent, sub, alt_sub)]) self.assertEqual(4, len(ones)) class FactoryDefaultStrategyTestCase(unittest.TestCase): def setUp(self): self.default_strategy = base.Factory.default_strategy def tearDown(self): base.Factory.default_strategy = self.default_strategy def testBuildStrategy(self): base.Factory.default_strategy = base.BUILD_STRATEGY class TestModelFactory(base.Factory): FACTORY_FOR = TestModel one = 'one' test_model = TestModelFactory() self.assertEqual(test_model.one, 'one') self.assertFalse(test_model.id) def testCreateStrategy(self): # Default default_strategy class TestModelFactory(FakeModelFactory): FACTORY_FOR = TestModel one = 'one' test_model = TestModelFactory() self.assertEqual(test_model.one, 'one') self.assertTrue(test_model.id) def testStubStrategy(self): base.Factory.default_strategy = base.STUB_STRATEGY class TestModelFactory(base.Factory): FACTORY_FOR = TestModel one = 'one' test_model = TestModelFactory() self.assertEqual(test_model.one, 'one') self.assertFalse(hasattr(test_model, 'id')) # We should have a plain old object def testUnknownStrategy(self): base.Factory.default_strategy = 'unknown' class TestModelFactory(base.Factory): FACTORY_FOR = TestModel one = 'one' self.assertRaises(base.Factory.UnknownStrategy, TestModelFactory) def testStubWithNonStubStrategy(self): class TestModelFactory(base.StubFactory): FACTORY_FOR = TestModel one = 'one' TestModelFactory.default_strategy = base.CREATE_STRATEGY self.assertRaises(base.StubFactory.UnsupportedStrategy, TestModelFactory) TestModelFactory.default_strategy = base.BUILD_STRATEGY self.assertRaises(base.StubFactory.UnsupportedStrategy, TestModelFactory) def test_change_strategy(self): @base.use_strategy(base.CREATE_STRATEGY) class TestModelFactory(base.StubFactory): FACTORY_FOR = TestModel one = 'one' self.assertEqual(base.CREATE_STRATEGY, TestModelFactory.default_strategy) class FactoryCreationTestCase(unittest.TestCase): def testFactoryFor(self): class TestFactory(base.Factory): FACTORY_FOR = TestObject self.assertTrue(isinstance(TestFactory.build(), TestObject)) def testAutomaticAssociatedClassDiscovery(self): with warnings.catch_warnings(): warnings.simplefilter('ignore') class TestObjectFactory(base.Factory): pass self.assertTrue(isinstance(TestObjectFactory.build(), TestObject)) def testDeprecationWarning(self): """Make sure the 'auto-discovery' deprecation warning is issued.""" with warnings.catch_warnings(record=True) as w: # Clear the warning registry. __warningregistry__.clear() warnings.simplefilter('always') class TestObjectFactory(base.Factory): pass self.assertEqual(1, len(w)) self.assertIn('deprecated', str(w[0].message)) def testStub(self): class TestFactory(base.StubFactory): pass self.assertEqual(TestFactory.default_strategy, base.STUB_STRATEGY) def testInheritanceWithStub(self): class TestObjectFactory(base.StubFactory): FACTORY_FOR = TestObject pass class TestFactory(TestObjectFactory): pass self.assertEqual(TestFactory.default_strategy, base.STUB_STRATEGY) def testCustomCreation(self): class TestModelFactory(FakeModelFactory): FACTORY_FOR = TestModel @classmethod def _prepare(cls, create, **kwargs): kwargs['four'] = 4 return super(TestModelFactory, cls)._prepare(create, **kwargs) b = TestModelFactory.build(one=1) self.assertEqual(1, b.one) self.assertEqual(4, b.four) self.assertEqual(None, b.id) c = TestModelFactory(one=1) self.assertEqual(1, c.one) self.assertEqual(4, c.four) self.assertEqual(1, c.id) # Errors def testNoAssociatedClassWithAutodiscovery(self): try: class TestFactory(base.Factory): pass self.fail() except base.Factory.AssociatedClassError as e: self.assertTrue('autodiscovery' in str(e)) def testNoAssociatedClassWithoutAutodiscovery(self): try: class Test(base.Factory): pass self.fail() except base.Factory.AssociatedClassError as e: self.assertTrue('autodiscovery' not in str(e)) class PostGenerationParsingTestCase(unittest.TestCase): def test_extraction(self): class TestObjectFactory(base.Factory): FACTORY_FOR = TestObject foo = declarations.PostGenerationDeclaration() self.assertIn('foo', TestObjectFactory._postgen_declarations) def test_classlevel_extraction(self): class TestObjectFactory(base.Factory): FACTORY_FOR = TestObject foo = declarations.PostGenerationDeclaration() foo__bar = 42 self.assertIn('foo', TestObjectFactory._postgen_declarations) self.assertIn('foo__bar', TestObjectFactory._declarations) if __name__ == '__main__': unittest.main()