4 files changed, 789 insertions, 0 deletions
diff --git a/tests/__init__.py b/tests/__init__.py
new file mode 100644
index 0000000..642caeb
--- /dev/null
+++ b/tests/__init__.py
@@ -0,0 +1,3 @@
+from .test_base import *
+from .test_containers import *
+from .test_declarations import *
diff --git a/tests/test_base.py b/tests/test_base.py
new file mode 100644
index 0000000..17d9a9b
--- /dev/null
+++ b/tests/test_base.py
@@ -0,0 +1,473 @@
+# Copyright (c) 2010 Mark Sandstrom
+#
+# 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 unittest
+
+from factory.base import BaseFactory, Factory, StubFactory, BUILD_STRATEGY, CREATE_STRATEGY, STUB_STRATEGY
+from factory import declarations
+
+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):
+    class FakeDjangoManager(object):
+        def create(self, **kwargs):
+            fake_model = FakeDjangoModel(**kwargs)
+            fake_model.id = 1
+            return fake_model
+
+    objects = FakeDjangoManager()
+
+    def __init__(self, **kwargs):
+        for name, value in kwargs.iteritems():
+            setattr(self, name, value)
+            self.id = None
+
+class TestModel(FakeDjangoModel):
+    pass
+
+
+class SafetyTestCase(unittest.TestCase):
+    def testBaseFactory(self):
+        self.assertRaises(RuntimeError, BaseFactory)
+
+
+class FactoryTestCase(unittest.TestCase):
+    def testAttribute(self):
+        class TestObjectFactory(Factory):
+            one = 'one'
+
+        test_object = TestObjectFactory.build()
+        self.assertEqual(test_object.one, 'one')
+
+    def testSequence(self):
+        class TestObjectFactory(Factory):
+            one = declarations.Sequence(lambda n: 'one' + n)
+            two = declarations.Sequence(lambda n: 'two' + n)
+
+        test_object0 = TestObjectFactory.build()
+        self.assertEqual(test_object0.one, 'one0')
+        self.assertEqual(test_object0.two, 'two0')
+
+        test_object1 = TestObjectFactory.build()
+        self.assertEqual(test_object1.one, 'one1')
+        self.assertEqual(test_object1.two, 'two1')
+
+    def testSequenceCustomBegin(self):
+        class TestObjectFactory(Factory):
+            @classmethod
+            def _setup_next_sequence(cls):
+                return 42
+
+            one = declarations.Sequence(lambda n: 'one' + n)
+            two = declarations.Sequence(lambda n: 'two' + n)
+
+        test_object0 = TestObjectFactory.build()
+        self.assertEqual('one42', test_object0.one)
+        self.assertEqual('two42', test_object0.two)
+
+        test_object1 = TestObjectFactory.build()
+        self.assertEqual('one43', test_object1.one)
+        self.assertEqual('two43', test_object1.two)
+
+    def testLazyAttribute(self):
+        class TestObjectFactory(Factory):
+            one = declarations.LazyAttribute(lambda a: 'abc' )
+            two = declarations.LazyAttribute(lambda a: a.one + ' xyz')
+
+        test_object = TestObjectFactory.build()
+        self.assertEqual(test_object.one, 'abc')
+        self.assertEqual(test_object.two, 'abc xyz')
+
+    def testLazyAttributeNonExistentParam(self):
+        class TestObjectFactory(Factory):
+            one = declarations.LazyAttribute(lambda a: a.does_not_exist )
+
+        self.assertRaises(AttributeError, TestObjectFactory)
+
+    def testLazyAttributeSequence(self):
+        class TestObjectFactory(Factory):
+            one = declarations.LazyAttributeSequence(lambda a, n: 'abc' + n)
+            two = declarations.LazyAttributeSequence(lambda a, n: a.one + ' xyz' + n)
+
+        test_object0 = TestObjectFactory.build()
+        self.assertEqual(test_object0.one, 'abc0')
+        self.assertEqual(test_object0.two, 'abc0 xyz0')
+
+        test_object1 = TestObjectFactory.build()
+        self.assertEqual(test_object1.one, 'abc1')
+        self.assertEqual(test_object1.two, 'abc1 xyz1')
+
+    def testLazyAttributeDecorator(self):
+        class TestObjectFactory(Factory):
+            @declarations.lazy_attribute
+            def one(a):
+                return 'one'
+
+        test_object = TestObjectFactory.build()
+        self.assertEqual(test_object.one, 'one')
+
+    def testSelfAttribute(self):
+        class TestObjectFactory(Factory):
+            one = 'xx'
+            two = declarations.SelfAttribute('one')
+
+        test_object = TestObjectFactory.build(one=1)
+        self.assertEqual(1, test_object.two)
+
+    def testSequenceDecorator(self):
+        class TestObjectFactory(Factory):
+            @declarations.sequence
+            def one(n):
+                return 'one' + n
+
+        test_object = TestObjectFactory.build()
+        self.assertEqual(test_object.one, 'one0')
+
+    def testLazyAttributeSequenceDecorator(self):
+        class TestObjectFactory(Factory):
+            @declarations.lazy_attribute_sequence
+            def one(a, n):
+                return 'one' + n
+            @declarations.lazy_attribute_sequence
+            def two(a, n):
+                return a.one + ' two' + n
+
+        test_object = TestObjectFactory.build()
+        self.assertEqual(test_object.one, 'one0')
+        self.assertEqual(test_object.two, 'one0 two0')
+
+    def testBuildWithParameters(self):
+        class TestObjectFactory(Factory):
+            one = declarations.Sequence(lambda n: 'one' + n)
+            two = declarations.Sequence(lambda n: 'two' + n)
+
+        test_object0 = TestObjectFactory.build(three='three')
+        self.assertEqual(test_object0.one, 'one0')
+        self.assertEqual(test_object0.two, 'two0')
+        self.assertEqual(test_object0.three, 'three')
+
+        test_object1 = TestObjectFactory.build(one='other')
+        self.assertEqual(test_object1.one, 'other')
+        self.assertEqual(test_object1.two, 'two1')
+
+    def testCreate(self):
+        class TestModelFactory(Factory):
+            one = 'one'
+
+        test_model = TestModelFactory.create()
+        self.assertEqual(test_model.one, 'one')
+        self.assertTrue(test_model.id)
+
+    def testInheritance(self):
+        class TestObjectFactory(Factory):
+            one = 'one'
+            two = declarations.LazyAttribute(lambda a: a.one + ' two')
+
+        class TestObjectFactory2(TestObjectFactory):
+            FACTORY_FOR = TestObject
+
+            three = 'three'
+            four = declarations.LazyAttribute(lambda a: a.three + ' four')
+
+        test_object = TestObjectFactory2.build()
+        self.assertEqual(test_object.one, 'one')
+        self.assertEqual(test_object.two, 'one two')
+        self.assertEqual(test_object.three, 'three')
+        self.assertEqual(test_object.four, 'three four')
+
+        test_object_alt = TestObjectFactory.build()
+        self.assertEqual(None, test_object_alt.three)
+
+    def testInheritanceWithInheritedClass(self):
+        class TestObjectFactory(Factory):
+            one = 'one'
+            two = declarations.LazyAttribute(lambda a: a.one + ' two')
+
+        class TestFactory(TestObjectFactory):
+            three = 'three'
+            four = declarations.LazyAttribute(lambda a: a.three + ' four')
+
+        test_object = TestFactory.build()
+        self.assertEqual(test_object.one, 'one')
+        self.assertEqual(test_object.two, 'one two')
+        self.assertEqual(test_object.three, 'three')
+        self.assertEqual(test_object.four, 'three four')
+
+    def testInheritanceWithSequence(self):
+        """Tests that sequence IDs are shared between parent and son."""
+        class TestObjectFactory(Factory):
+            one = declarations.Sequence(lambda a: a)
+
+        class TestSubFactory(TestObjectFactory):
+            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))
+
+    def testDualInheritance(self):
+        class TestObjectFactory(Factory):
+            one = 'one'
+
+        class TestOtherFactory(Factory):
+            FACTORY_FOR = TestObject
+            two = 'two'
+            four = 'four'
+
+        class TestFactory(TestObjectFactory, TestOtherFactory):
+            three = 'three'
+
+        obj = TestFactory.build(two=2)
+        self.assertEqual('one', obj.one)
+        self.assertEqual(2, obj.two)
+        self.assertEqual('three', obj.three)
+        self.assertEqual('four', obj.four)
+
+    def testSetCreationFunction(self):
+        def creation_function(class_to_create, **kwargs):
+            return "This doesn't even return an instance of {0}".format(class_to_create.__name__)
+
+        class TestModelFactory(Factory):
+            pass
+
+        TestModelFactory.set_creation_function(creation_function)
+
+        test_object = TestModelFactory.create()
+        self.assertEqual(test_object, "This doesn't even return an instance of TestModel")
+
+class FactoryDefaultStrategyTestCase(unittest.TestCase):
+    def setUp(self):
+        self.default_strategy = Factory.default_strategy
+
+    def tearDown(self):
+        Factory.default_strategy = self.default_strategy
+
+    def testBuildStrategy(self):
+        Factory.default_strategy = BUILD_STRATEGY
+
+        class TestModelFactory(Factory):
+            one = 'one'
+
+        test_model = TestModelFactory()
+        self.assertEqual(test_model.one, 'one')
+        self.assertFalse(test_model.id)
+
+    def testCreateStrategy(self):
+        # Default default_strategy
+
+        class TestModelFactory(Factory):
+            one = 'one'
+
+        test_model = TestModelFactory()
+        self.assertEqual(test_model.one, 'one')
+        self.assertTrue(test_model.id)
+
+    def testSubFactory(self):
+        class TestModel2(FakeDjangoModel):
+            pass
+
+        class TestModelFactory(Factory):
+            FACTORY_FOR = TestModel
+            one = 3
+
+        class TestModel2Factory(Factory):
+            FACTORY_FOR = TestModel2
+            two = declarations.SubFactory(TestModelFactory, one=1)
+
+        test_model = TestModel2Factory(two__one=4)
+        self.assertEqual(4, test_model.two.one)
+        self.assertEqual(1, test_model.id)
+        self.assertEqual(1, test_model.two.id)
+
+    def testSubFactoryWithLazyFields(self):
+        class TestModel2(FakeDjangoModel):
+            pass
+
+        class TestModelFactory(Factory):
+            FACTORY_FOR = TestModel
+
+        class TestModel2Factory(Factory):
+            FACTORY_FOR = TestModel2
+            two = declarations.SubFactory(TestModelFactory,
+                                          one=declarations.Sequence(lambda n: 'x%sx' % n),
+                                          two=declarations.LazyAttribute(
+                                              lambda o: '%s%s' % (o.one, o.one)))
+
+        test_model = TestModel2Factory(one=42)
+        self.assertEqual('x0x', test_model.two.one)
+        self.assertEqual('x0xx0x', test_model.two.two)
+
+    def testNestedSubFactory(self):
+        """Test nested sub-factories."""
+
+        class TestObject(object):
+            def __init__(self, **kwargs):
+                for k, v in kwargs.iteritems():
+                    setattr(self, k, v)
+
+        class TestObjectFactory(Factory):
+            FACTORY_FOR = TestObject
+
+        class WrappingTestObjectFactory(Factory):
+            FACTORY_FOR = TestObject
+
+            wrapped = declarations.SubFactory(TestObjectFactory)
+            wrapped_bis = declarations.SubFactory(TestObjectFactory, one=1)
+
+        class OuterWrappingTestObjectFactory(Factory):
+            FACTORY_FOR = TestObject
+
+            wrap = declarations.SubFactory(WrappingTestObjectFactory, wrapped__two=2)
+
+        outer = OuterWrappingTestObjectFactory.build()
+        self.assertEqual(outer.wrap.wrapped.two, 2)
+        self.assertEqual(outer.wrap.wrapped_bis.one, 1)
+
+    def testNestedSubFactoryWithOverriddenSubFactories(self):
+        """Test nested sub-factories, with attributes overridden with subfactories."""
+
+        class TestObject(object):
+            def __init__(self, **kwargs):
+                for k, v in kwargs.iteritems():
+                    setattr(self, k, v)
+
+        class TestObjectFactory(Factory):
+            FACTORY_FOR = TestObject
+            two = 'two'
+
+        class WrappingTestObjectFactory(Factory):
+            FACTORY_FOR = TestObject
+
+            wrapped = declarations.SubFactory(TestObjectFactory)
+            friend = declarations.LazyAttribute(lambda o: o.wrapped.two.four + 1)
+
+        class OuterWrappingTestObjectFactory(Factory):
+            FACTORY_FOR = TestObject
+
+            wrap = declarations.SubFactory(WrappingTestObjectFactory,
+                    wrapped__two=declarations.SubFactory(TestObjectFactory, four=4))
+
+        outer = OuterWrappingTestObjectFactory.build()
+        self.assertEqual(outer.wrap.wrapped.two.four, 4)
+        self.assertEqual(outer.wrap.friend, 5)
+
+    def testStubStrategy(self):
+        Factory.default_strategy = STUB_STRATEGY
+
+        class TestModelFactory(Factory):
+            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):
+        Factory.default_strategy = 'unknown'
+
+        class TestModelFactory(Factory):
+            one = 'one'
+
+        self.assertRaises(Factory.UnknownStrategy, TestModelFactory)
+
+    def testStubWithNonStubStrategy(self):
+        class TestModelFactory(StubFactory):
+            one = 'one'
+
+        TestModelFactory.default_strategy = CREATE_STRATEGY
+
+        self.assertRaises(StubFactory.UnsupportedStrategy, TestModelFactory)
+
+        TestModelFactory.default_strategy = BUILD_STRATEGY
+        self.assertRaises(StubFactory.UnsupportedStrategy, TestModelFactory)
+
+class FactoryCreationTestCase(unittest.TestCase):
+    def testFactoryFor(self):
+        class TestFactory(Factory):
+            FACTORY_FOR = TestObject
+
+        self.assertTrue(isinstance(TestFactory.build(), TestObject))
+
+    def testAutomaticAssociatedClassDiscovery(self):
+        class TestObjectFactory(Factory):
+            pass
+
+        self.assertTrue(isinstance(TestObjectFactory.build(), TestObject))
+
+    def testStub(self):
+        class TestFactory(StubFactory):
+            pass
+
+        self.assertEqual(TestFactory.default_strategy, STUB_STRATEGY)
+
+    def testInheritanceWithStub(self):
+        class TestObjectFactory(StubFactory):
+            pass
+
+        class TestFactory(TestObjectFactory):
+            pass
+
+        self.assertEqual(TestFactory.default_strategy, STUB_STRATEGY)
+
+    def testCustomCreation(self):
+        class TestModelFactory(Factory):
+            @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(Factory):
+                pass
+            self.fail()
+        except Factory.AssociatedClassError as e:
+            self.assertTrue('autodiscovery' in str(e))
+
+    def testNoAssociatedClassWithoutAutodiscovery(self):
+        try:
+            class Test(Factory):
+                pass
+            self.fail()
+        except Factory.AssociatedClassError as e:
+            self.assertTrue('autodiscovery' not in str(e))
+
+
+if __name__ == '__main__':
+    unittest.main()
diff --git a/tests/test_containers.py b/tests/test_containers.py
new file mode 100644
index 0000000..b1485b1
--- /dev/null
+++ b/tests/test_containers.py
@@ -0,0 +1,282 @@
+# Copyright (c) 2010 Mark Sandstrom
+#
+# 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 unittest
+
+from factory import base
+from factory import containers
+from factory import declarations
+
+class LazyStubTestCase(unittest.TestCase):
+    def test_basic(self):
+        stub = containers.LazyStub({'one': 1, 'two': 2})
+
+        self.assertEqual({'one': 1, 'two': 2}, stub.__fill__())
+
+    def test_setting_values(self):
+        stub = containers.LazyStub({'one': 1, 'two': 2})
+
+        self.assertRaises(AttributeError, setattr, stub, 'one', 1)
+
+    def test_reading_value(self):
+        stub = containers.LazyStub({'one': 1, 'two': 2})
+        self.assertEqual(1, stub.one)
+
+        self.assertRaises(AttributeError, getattr, stub, 'three')
+
+    def test_cyclic_definition(self):
+        class LazyAttr(containers.LazyValue):
+            def __init__(self, attrname):
+                self.attrname = attrname
+
+            def evaluate(self, obj):
+                return 1 + getattr(obj, self.attrname)
+
+        stub = containers.LazyStub({'one': LazyAttr('two'), 'two': LazyAttr('one')})
+
+        self.assertRaises(containers.CyclicDefinitionError, getattr, stub, 'one')
+
+
+class OrderedDeclarationMock(declarations.OrderedDeclaration):
+    pass
+
+
+class DeclarationDictTestCase(unittest.TestCase):
+    def test_basics(self):
+        one = OrderedDeclarationMock()
+        two = 2
+        three = OrderedDeclarationMock()
+
+        d = containers.DeclarationDict(dict(one=one, two=two, three=three))
+
+        self.assertTrue('one' in d)
+        self.assertTrue('two' in d)
+        self.assertTrue('three' in d)
+
+        self.assertEqual(one, d['one'])
+        self.assertEqual(two, d['two'])
+        self.assertEqual(three, d['three'])
+
+        self.assertEqual(one, d.pop('one'))
+        self.assertFalse('one' in d)
+
+        d['one'] = one
+        self.assertTrue('one' in d)
+        self.assertEqual(one, d['one'])
+
+        self.assertEqual(set(['one', 'two', 'three']),
+                         set(d))
+
+    def test_insert(self):
+        one = OrderedDeclarationMock()
+        two = 2
+        three = OrderedDeclarationMock()
+        four = OrderedDeclarationMock()
+
+        d = containers.DeclarationDict(dict(one=one, two=two, four=four))
+
+        self.assertEqual(set(['two', 'one', 'four']), set(d))
+
+        d['three'] = three
+        self.assertEqual(set(['two', 'one', 'three', 'four']), set(d))
+
+    def test_replace(self):
+        one = OrderedDeclarationMock()
+        two = 2
+        three = OrderedDeclarationMock()
+        four = OrderedDeclarationMock()
+
+        d = containers.DeclarationDict(dict(one=one, two=two, three=three))
+
+        self.assertEqual(set(['two', 'one', 'three']), set(d))
+
+        d['three'] = four
+        self.assertEqual(set(['two', 'one', 'three']), set(d))
+        self.assertEqual(set([two, one, four]), set(d.values()))
+
+    def test_copy(self):
+        one = OrderedDeclarationMock()
+        two = 2
+        three = OrderedDeclarationMock()
+        four = OrderedDeclarationMock()
+
+        d = containers.DeclarationDict(dict(one=one, two=two, three=three))
+        d2 = d.copy({'five': 5})
+
+        self.assertEqual(5, d2['five'])
+        self.assertFalse('five' in d)
+
+        d.pop('one')
+        self.assertEqual(one, d2['one'])
+
+        d2['two'] = four
+        self.assertEqual(four, d2['two'])
+        self.assertEqual(two, d['two'])
+
+    def test_update_with_public(self):
+        d = containers.DeclarationDict()
+        d.update_with_public({'one': 1, '_two': 2, 'three': 3})
+        self.assertEqual(set(['one', 'three']), set(d))
+        self.assertEqual(set([1, 3]), set(d.values()))
+
+
+class AttributeBuilderTestCase(unittest.TestCase):
+    def test_empty(self):
+        """Tests building attributes from an empty definition."""
+
+        class FakeFactory(object):
+            @classmethod
+            def declarations(cls, extra):
+                return extra
+
+            @classmethod
+            def _generate_next_sequence(cls):
+                return 1
+
+        ab = containers.AttributeBuilder(FakeFactory)
+
+        self.assertEqual({}, ab.build(create=False))
+
+    def test_factory_defined(self):
+        class FakeFactory(object):
+            @classmethod
+            def declarations(cls, extra):
+                d = {'one': 1}
+                d.update(extra)
+                return d
+
+            @classmethod
+            def _generate_next_sequence(cls):
+                return 1
+
+        ab = containers.AttributeBuilder(FakeFactory)
+        self.assertEqual({'one': 1}, ab.build(create=False))
+
+    def test_extended(self):
+        class FakeFactory(object):
+            @classmethod
+            def declarations(cls, extra):
+                d = {'one': 1}
+                d.update(extra)
+                return d
+
+            @classmethod
+            def _generate_next_sequence(cls):
+                return 1
+
+        ab = containers.AttributeBuilder(FakeFactory, {'two': 2})
+        self.assertEqual({'one': 1, 'two': 2}, ab.build(create=False))
+
+    def test_overridden(self):
+        class FakeFactory(object):
+            @classmethod
+            def declarations(cls, extra):
+                d = {'one': 1}
+                d.update(extra)
+                return d
+
+            @classmethod
+            def _generate_next_sequence(cls):
+                return 1
+
+        ab = containers.AttributeBuilder(FakeFactory, {'one': 2})
+        self.assertEqual({'one': 2}, ab.build(create=False))
+
+    def test_factory_defined_sequence(self):
+        seq = declarations.Sequence(lambda n: 'xx' + n)
+
+        class FakeFactory(object):
+            @classmethod
+            def declarations(cls, extra):
+                d = {'one': seq}
+                d.update(extra)
+                return d
+
+            @classmethod
+            def _generate_next_sequence(cls):
+                return 1
+
+        ab = containers.AttributeBuilder(FakeFactory)
+        self.assertEqual({'one': 'xx1'}, ab.build(create=False))
+
+    def test_additionnal_sequence(self):
+        seq = declarations.Sequence(lambda n: 'xx' + n)
+
+        class FakeFactory(object):
+            @classmethod
+            def declarations(cls, extra):
+                d = {'one': 1}
+                d.update(extra)
+                return d
+
+            @classmethod
+            def _generate_next_sequence(cls):
+                return 1
+
+        ab = containers.AttributeBuilder(FakeFactory, extra={'two': seq})
+        self.assertEqual({'one': 1, 'two': 'xx1'}, ab.build(create=False))
+
+    def test_replaced_sequence(self):
+        seq = declarations.Sequence(lambda n: 'xx' + n)
+        seq2 = declarations.Sequence(lambda n: 'yy' + n)
+
+        class FakeFactory(object):
+            @classmethod
+            def declarations(cls, extra):
+                d = {'one': seq}
+                d.update(extra)
+                return d
+
+            @classmethod
+            def _generate_next_sequence(cls):
+                return 1
+
+        ab = containers.AttributeBuilder(FakeFactory, extra={'one': seq2})
+        self.assertEqual({'one': 'yy1'}, ab.build(create=False))
+
+    def test_lazy_attribute(self):
+        la = declarations.LazyAttribute(lambda a: a.one * 2)
+
+        class FakeFactory(object):
+            @classmethod
+            def declarations(cls, extra):
+                d = containers.DeclarationDict({'one': 1, 'two': la})
+                d.update(extra)
+                return d
+
+            @classmethod
+            def _generate_next_sequence(cls):
+                return 1
+
+        ab = containers.AttributeBuilder(FakeFactory)
+        self.assertEqual({'one': 1, 'two': 2}, ab.build(create=False))
+
+        ab = containers.AttributeBuilder(FakeFactory, {'one': 4})
+        self.assertEqual({'one': 4, 'two': 8}, ab.build(create=False))
+
+        ab = containers.AttributeBuilder(FakeFactory, {'one': 4, 'three': la})
+        self.assertEqual({'one': 4, 'two': 8, 'three': 8}, ab.build(create=False))
+
+    def test_sub_factory(self):
+        pass
+
+
+if __name__ == '__main__':
+    unittest.main()
diff --git a/tests/test_declarations.py b/tests/test_declarations.py
new file mode 100644
index 0000000..6299396
--- /dev/null
+++ b/tests/test_declarations.py
@@ -0,0 +1,31 @@
+# Copyright (c) 2010 Mark Sandstrom
+#
+# 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 unittest
+
+from factory.declarations import OrderedDeclaration, Sequence
+
+class OrderedDeclarationTestCase(unittest.TestCase):
+    def test_errors(self):
+        decl = OrderedDeclaration()
+        self.assertRaises(NotImplementedError, decl.evaluate, None, {})
+
+if __name__ == '__main__':
+    unittest.main()