Ejemplo n.º 1
0
class TestBeforeSave(TestCase):
    def setUp(self):
        Mapper._mapper_by_classname.clear()
        self.datastore = create_datastore('mim:///test_db')
        self.session = ODMSession(bind=self.datastore)

        class Basic(MappedClass):
            class __mongometa__:
                name = 'hook'
                session = self.session

                def before_save(instance):
                    instance.a = 9

            _id = FieldProperty(S.ObjectId)
            a = FieldProperty(int)

        Mapper.compile_all()
        self.Basic = Basic
        self.session.remove(self.Basic)

    def test_hook_base(self):
        doc = self.Basic()
        doc.a = 5
        self.session.flush()  # first insert
        self.session.close()
        doc = self.Basic.query.get(doc._id)
        assert doc.a == 9, doc.a
        doc.a = 6
        self.session.flush()  # then save
        self.session.close()
        doc = self.Basic.query.get(doc._id)
        assert doc.a == 9, doc.a
Ejemplo n.º 2
0
class TestReplacingSession(TestCase):
    def setUp(self):
        Mapper._mapper_by_classname.clear()
        self.datastore = create_datastore('mim:///test_db')
        self.session = ODMSession(bind=self.datastore)

        class Basic(MappedClass):
            class __mongometa__:
                name = 'hook'
                session = self.session

            _id = FieldProperty(S.ObjectId)
            a = FieldProperty(int)

        Mapper.compile_all()
        self.Basic = Basic
        self.session.remove(self.Basic)

    def test_hook_base(self):
        assert id(self.Basic.query.session) == id(self.session)
        session2 = MagicMock()
        new_session = ODMSession(bind=session2)
        Mapper.replace_session(new_session)
        assert id(self.Basic.query.session) == id(new_session)
        assert id(self.session) != id(new_session)
Ejemplo n.º 3
0
class TestHooks(TestCase):
    def setUp(self):
        Mapper._mapper_by_classname.clear()
        self.datastore = create_datastore('mim:///test_db')
        self.session = ODMSession(bind=self.datastore)
        self.hooks_called = defaultdict(list)
        tc = self

        class Basic(MappedClass):
            class __mongometa__:
                name = 'hook'
                session = self.session

                def before_save(instance):
                    tc.hooks_called['before_save'].append(instance)

            _id = FieldProperty(S.ObjectId)
            a = FieldProperty(int)

        Mapper.compile_all()
        self.Basic = Basic
        self.session.remove(self.Basic)

    def test_hook_base(self):
        doc = self.Basic()
        doc.a = 5
        self.session.flush()
        self.assertEqual(self.hooks_called['before_save'], [{
            '_id': doc._id,
            'a': doc.a
        }])
Ejemplo n.º 4
0
class TestBasicMapperExtension(TestCase):
    def setUp(self):
        self.datastore = create_datastore('mim:///test_db')
        self.session = ODMSession(bind=self.datastore)

        class BasicMapperExtension(MapperExtension):
            def after_insert(self, instance, state, session):
                assert 'clean' == state.status

            def before_insert(self, instance, state, session):
                assert 'new' == state.status

            def before_update(self, instance, state, session):
                assert 'dirty' == state.status

            def after_update(self, instance, state, session):
                assert 'clean' == state.status

        class Basic(MappedClass):
            class __mongometa__:
                name = 'basic'
                session = self.session
                extensions = [BasicMapperExtension, MapperExtension]

            _id = FieldProperty(S.ObjectId)
            a = FieldProperty(int)
            b = FieldProperty([int])
            c = FieldProperty(dict(d=int, e=int))

        Mapper.compile_all()
        self.Basic = Basic
        self.session.remove(self.Basic)

    def tearDown(self):
        self.session.clear()
        self.datastore.conn.drop_all()

    def test_mapper_extension(self):
        doc = self.Basic()
        doc.a = 5
        self.session.flush()
        doc.a = 6
        self.session.flush()
Ejemplo n.º 5
0
class TestBasicMapperExtension(TestCase):
    def setUp(self):
        self.datastore = DS.DataStore(
            'mim:///', database='test_db')
        self.session = ODMSession(bind=self.datastore)
        class BasicMapperExtension(MapperExtension):
            def after_insert(self, instance, state, session):
                assert 'clean'==state.status
            def before_insert(self, instance, state, session):
                assert 'new'==state.status
            def before_update(self, instance, state, session):
                assert 'dirty'==state.status
            def after_update(self, instance, state, session):
                assert 'clean'==state.status
        class Basic(MappedClass):
            class __mongometa__:
                name='basic'
                session = self.session
                extensions = [BasicMapperExtension, MapperExtension]
            _id = FieldProperty(S.ObjectId)
            a = FieldProperty(int)
            b = FieldProperty([int])
            c = FieldProperty(dict(
                    d=int, e=int))
        Mapper.compile_all()
        self.Basic = Basic
        self.session.remove(self.Basic)

    def tearDown(self):
        self.session.clear()
        self.datastore.conn.drop_all()

    def test_mapper_extension(self):
        doc = self.Basic()
        doc.a = 5
        self.session.flush()
        doc.a = 6
        self.session.flush()
Ejemplo n.º 6
0
class TestBasicMapping(TestCase):
    
    def setUp(self):
        self.datastore = create_datastore('mim:///test_db')
        session = Session(bind=self.datastore)
        self.session = ODMSession(session)
        basic = collection(
            'basic', session,
            Field('_id', S.ObjectId),
            Field('a', int),
            Field('b', [int]),
            Field('c', dict(
                    d=int, e=int)))
        class Basic(object):
            pass                    
        self.session.mapper(Basic, basic)
        self.basic = basic
        self.Basic = Basic

    def tearDown(self):
        self.session.clear()
        self.datastore.conn.drop_all()

    def test_set_to_same(self):
        obj = self.Basic(a=1)
        assert state(obj).status == 'new'
        self.session.flush()
        assert state(obj).status == 'clean'
        obj.a = 1
        assert state(obj).status == 'clean'

    def test_disable_instrument(self):
        # Put a doc in the DB
        self.Basic(a=1, b=[2,3], c=dict(d=4, e=5))
        self.session.flush()
        # Load back with instrumentation
        self.session.clear()
        obj = self.Basic.query.find().options(instrument=True).first()
        self.assertEqual(type(obj.b), InstrumentedList)
        self.assertEqual(type(obj.c), InstrumentedObj)
        # Load back without instrumentation
        self.session.clear()
        obj = self.Basic.query.find().options(instrument=False).first()
        self.assertEqual(type(obj.b), list)
        self.assertEqual(type(obj.c), Object)

    def test_enable_instrument(self):
        session = Session(bind=self.datastore)
        basic1 = collection(
            'basic1', session,
            Field('_id', S.ObjectId),
            Field('a', int),
            Field('b', [int]),
            Field('c', dict(
                    d=int, e=int)))
        class Basic1(object):
            pass                    
        self.session.mapper(Basic1, basic1, options=dict(instrument=False))
        # Put a doc in the DB
        Basic1(a=1, b=[2,3], c=dict(d=4, e=5))
        self.session.flush()
        # Load back with instrumentation
        self.session.clear()
        obj = Basic1.query.find().options(instrument=True).first()
        self.assertEqual(type(obj.b), InstrumentedList)
        self.assertEqual(type(obj.c), InstrumentedObj)
        # Load back without instrumentation
        self.session.clear()
        obj = Basic1.query.find().options(instrument=False).first()
        self.assertEqual(type(obj.b), list)
        self.assertEqual(type(obj.c), Object)

    def test_repr(self):
        doc = self.Basic(a=1, b=[2,3], c=dict(d=4,e=5))
        sdoc = repr(doc)
        assert 'a=1' in sdoc, sdoc
        assert 'b=I[2, 3]' in sdoc, sdoc
        assert "c=I{'e': 5, 'd': 4}" in sdoc, sdoc

    def test_create(self):
        doc = self.Basic()
        assert state(doc).status == 'new'
        self.session.flush()
        assert state(doc).status == 'clean'
        doc.a = 5
        assert state(doc).status == 'dirty'
        self.session.flush()
        assert state(doc).status == 'clean'
        c = doc.c
        c.e = 5
        assert state(doc).status == 'dirty', state(doc).status
        assert repr(state(doc)).startswith('<ObjectState')

    def test_mapped_object(self):
        doc = self.Basic(a=1, b=[2,3], c=dict(d=4, e=5))
        self.assertEqual(doc.a, doc['a'])
        self.assertRaises(AttributeError, getattr, doc, 'foo')
        self.assertRaises(KeyError, doc.__getitem__, 'foo')
        doc['a'] = 5
        self.assertEqual(doc.a, doc['a'])
        self.assertEqual(doc.a, 5)
        self.assert_('a' in doc)
        doc.delete()

    def test_mapper(self):
        m = mapper(self.Basic)
        assert repr(m) == '<Mapper Basic:basic>'
        self.datastore.db.basic.insert(dict(
                a=1, b=[2,3], c=dict(d=4, e=5), f='unknown'))
        print list(self.datastore.db.basic.find())
        obj = self.Basic.query.find().options(instrument=False).first()
        print obj
        q = self.Basic.query.find()
        self.assertEqual(q.count(), 1)
        self.session.remove(self.Basic, {})
        q = self.Basic.query.find()
        self.assertEqual(q.count(), 0)

    def test_query(self):
        doc = self.Basic(a=1, b=[2,3], c=dict(d=4, e=5))
        self.session.flush()
        q = self.Basic.query.find(dict(a=1))
        self.assertEqual(q.count(), 1)
        doc.a = 5
        self.session.flush()
        q = self.Basic.query.find(dict(a=1))
        self.assertEqual(q.count(), 0)
        self.assertEqual(doc.query.find(dict(a=1)).count(), 0)
        self.assertEqual(doc.query.find(dict(b=doc.b)).count(), 1)
        doc = self.Basic.query.get(a=5)
        self.assert_(doc is not None)
        self.Basic.query.remove({})
        self.assertEqual(self.Basic.query.find().count(), 0)

    def test_delete(self):
        doc = self.Basic(a=1, b=[2,3], c=dict(d=4, e=5))
        self.session.flush()
        q = self.Basic.query.find()
        self.assertEqual(q.count(), 1)
        doc.delete()
        q = self.Basic.query.find()
        self.assertEqual(q.count(), 1)
        self.session.flush()
        q = self.Basic.query.find()
        self.assertEqual(q.count(), 0)
        doc = self.Basic(a=1, b=[2,3], c=dict(d=4, e=5))
        self.session.flush()
        q = self.Basic.query.find()
        self.assertEqual(q.count(), 1)
        
    def test_imap(self):
        doc = self.Basic(a=1, b=[2,3], c=dict(d=4, e=5))
        self.session.flush()
        doc1 = self.Basic.query.get(_id=doc._id)
        self.assert_(doc is doc1)
        self.session.expunge(doc)
        doc1 = self.Basic.query.get(_id=doc._id)
        self.assert_(doc is not doc1)
        self.session.expunge(doc)
        self.session.expunge(doc)
        self.session.expunge(doc)
Ejemplo n.º 7
0
class TestBasicMapping(TestCase):

    def setUp(self):
        self.datastore = create_datastore('mim:///test_db')
        session = Session(bind=self.datastore)
        self.session = ODMSession(session)
        basic = collection(
            'basic', session,
            Field('_id', S.ObjectId),
            Field('a', int),
            Field('b', [int]),
            Field('c', dict(
                    d=int, e=int)))
        class Basic(object):
            pass
        self.session.mapper(Basic, basic)
        self.basic = basic
        self.Basic = Basic

    def tearDown(self):
        self.session.clear()
        self.datastore.conn.drop_all()

    def test_set_to_same(self):
        obj = self.Basic(a=1)
        assert state(obj).status == 'new'
        self.session.flush()
        assert state(obj).status == 'clean'
        obj.a = 1
        assert state(obj).status == 'clean'

    def test_disable_instrument(self):
        # Put a doc in the DB
        self.Basic(a=1, b=[2,3], c=dict(d=4, e=5))
        self.session.flush()
        # Load back with instrumentation
        self.session.clear()
        obj = self.Basic.query.find().options(instrument=True).first()
        self.assertEqual(type(obj.b), InstrumentedList)
        self.assertEqual(type(obj.c), InstrumentedObj)
        # Load back without instrumentation
        self.session.clear()
        obj = self.Basic.query.find().options(instrument=False).first()
        self.assertEqual(type(obj.b), list)
        self.assertEqual(type(obj.c), Object)

    def test_enable_instrument(self):
        session = Session(bind=self.datastore)
        basic1 = collection(
            'basic1', session,
            Field('_id', S.ObjectId),
            Field('a', int),
            Field('b', [int]),
            Field('c', dict(
                    d=int, e=int)))
        class Basic1(object):
            pass
        self.session.mapper(Basic1, basic1, options=dict(instrument=False))
        # Put a doc in the DB
        Basic1(a=1, b=[2,3], c=dict(d=4, e=5))
        self.session.flush()
        # Load back with instrumentation
        self.session.clear()
        obj = Basic1.query.find().options(instrument=True).first()
        self.assertEqual(type(obj.b), InstrumentedList)
        self.assertEqual(type(obj.c), InstrumentedObj)
        # Load back without instrumentation
        self.session.clear()
        obj = Basic1.query.find().options(instrument=False).first()
        self.assertEqual(type(obj.b), list)
        self.assertEqual(type(obj.c), Object)

    def test_repr(self):
        doc = self.Basic(a=1, b=[2,3], c=dict(d=4, e=5))
        sdoc = repr(doc)
        # sometimes there's a line break in the repr
        sdoc_cleaned = sdoc.replace('\n ', '')
        assert 'a=1' in sdoc_cleaned, sdoc_cleaned
        assert 'b=I[2, 3]' in sdoc_cleaned, sdoc_cleaned
        # order is not guaranteed with dictionaries
        assert "c=I{'d': 4, 'e': 5}" in sdoc_cleaned or \
            "c=I{'e': 5, 'd': 4}" in sdoc_cleaned, sdoc_cleaned

    def test_create(self):
        doc = self.Basic()
        assert state(doc).status == 'new'
        self.session.flush()
        assert state(doc).status == 'clean'
        doc.a = 5
        assert state(doc).status == 'dirty'
        self.session.flush()
        assert state(doc).status == 'clean'
        c = doc.c
        c.e = 5
        assert state(doc).status == 'dirty', state(doc).status
        assert repr(state(doc)).startswith('<ObjectState')

    def test_mapped_object(self):
        doc = self.Basic(a=1, b=[2,3], c=dict(d=4, e=5))
        self.assertEqual(doc.a, doc['a'])
        self.assertRaises(AttributeError, getattr, doc, 'foo')
        self.assertRaises(KeyError, doc.__getitem__, 'foo')
        doc['a'] = 5
        self.assertEqual(doc.a, doc['a'])
        self.assertEqual(doc.a, 5)
        self.assert_('a' in doc)
        doc.delete()

    def test_mapper(self):
        m = mapper(self.Basic)
        assert repr(m) == '<Mapper Basic:basic>'
        self.datastore.db.basic.insert(dict(
                a=1, b=[2,3], c=dict(d=4, e=5), f='unknown'))
        obj = self.Basic.query.find().options(instrument=False).first()
        q = self.Basic.query.find()
        self.assertEqual(q.count(), 1)
        self.session.remove(self.Basic, {})
        q = self.Basic.query.find()
        self.assertEqual(q.count(), 0)

    def test_query(self):
        doc = self.Basic(a=1, b=[2,3], c=dict(d=4, e=5))
        self.session.flush()
        q = self.Basic.query.find(dict(a=1))
        self.assertEqual(q.count(), 1)
        doc.a = 5
        self.session.flush()
        q = self.Basic.query.find(dict(a=1))
        self.assertEqual(q.count(), 0)
        self.assertEqual(doc.query.find(dict(a=1)).count(), 0)
        self.assertEqual(doc.query.find(dict(b=doc.b)).count(), 1)
        doc = self.Basic.query.get(a=5)
        self.assert_(doc is not None)
        self.Basic.query.remove({})
        self.assertEqual(self.Basic.query.find().count(), 0)

    def test_query_fields(self):
        doc = self.Basic(a=1, b=[2,3], c=dict(d=4, e=5))
        self.session.flush()
        self.session.clear()

        q = self.Basic.query.find(dict(a=1), fields=['b'])
        self.assertEqual(q.count(), 1)

        o = q.first()
        self.assertEqual(o.b, [2,3])
        self.assertEqual(o.a, None)
        o.b = [4,5]
        self.session.flush()
        self.session.clear()

        q = self.Basic.query.find(dict(a=1))
        self.assertEqual(q.count(), 1)

        o = q.first()
        self.assertEqual(o.a, 1)
        self.assertEqual(o.b, [4, 5])
        self.assertEqual(o.c, dict(d=4, e=5))

        self.Basic.query.remove({})
        self.assertEqual(self.Basic.query.find().count(), 0)

    def test_delete(self):
        doc = self.Basic(a=1, b=[2,3], c=dict(d=4, e=5))
        self.session.flush()
        q = self.Basic.query.find()
        self.assertEqual(q.count(), 1)
        doc.delete()
        q = self.Basic.query.find()
        self.assertEqual(q.count(), 1)
        self.session.flush()
        q = self.Basic.query.find()
        self.assertEqual(q.count(), 0)
        doc = self.Basic(a=1, b=[2,3], c=dict(d=4, e=5))
        self.session.flush()
        q = self.Basic.query.find()
        self.assertEqual(q.count(), 1)

    def test_imap(self):
        doc = self.Basic(a=1, b=[2,3], c=dict(d=4, e=5))
        self.session.flush()
        doc1 = self.Basic.query.get(_id=doc._id)
        self.assert_(doc is doc1)
        self.session.expunge(doc)
        doc1 = self.Basic.query.get(_id=doc._id)
        self.assert_(doc is not doc1)
        self.session.expunge(doc)
        self.session.expunge(doc)
        self.session.expunge(doc)

    @patch('pymongo.collection.Collection.aggregate')
    def test_aggregate(self, pymongo_aggregate):
        self.Basic.query.aggregate([])
        assert pymongo_aggregate.called

    @patch('ming.mim.Collection.map_reduce')
    def test_map_reduce(self, mim_map_reduce):
        self.Basic.query.map_reduce('...', '...', {})
        assert mim_map_reduce.called

    @patch('ming.mim.Collection.distinct')
    def test_distinct(self, mim_distinct):
        self.Basic.query.distinct('field')
        assert mim_distinct.called

    @patch('pymongo.collection.Collection.inline_map_reduce')
    def test_inline_map_reduce(self, pymongo_inline_map_reduce):
        self.Basic.query.inline_map_reduce()
        assert pymongo_inline_map_reduce.called

    @patch('pymongo.collection.Collection.group')
    def test_group(self, pymongo_group):
        self.Basic.query.group()
        assert pymongo_group.called
Ejemplo n.º 8
0
class TestBasicMapping(TestCase):

    def setUp(self):
        self.datastore = create_datastore('mim:///test_db')
        self.session = ODMSession(bind=self.datastore)
        class Basic(MappedClass):
            class __mongometa__:
                name='basic'
                session = self.session
            _id = FieldProperty(S.ObjectId)
            a = FieldProperty(int)
            b = FieldProperty([int])
            c = FieldProperty(dict(
                    d=int, e=int))
            d = FieldPropertyWithMissingNone(str, if_missing=S.Missing)
            e = FieldProperty(str, if_missing=S.Missing)
        Mapper.compile_all()
        self.Basic = Basic
        self.session.remove(self.Basic)

    def tearDown(self):
        self.session.clear()
        self.datastore.conn.drop_all()

    def test_repr(self):
        doc = self.Basic(a=1, b=[2,3], c=dict(d=4, e=5))
        repr(self.session)

    def test_create(self):
        doc = self.Basic()
        assert state(doc).status == 'new'
        self.session.flush()
        assert state(doc).status == 'clean'
        doc.a = 5
        assert state(doc).status == 'dirty'
        self.session.flush()
        assert state(doc).status == 'clean'
        c = doc.c
        c.e = 5
        assert state(doc).status == 'dirty'
        assert repr(state(doc)).startswith('<ObjectState')

    def test_mapped_object(self):
        doc = self.Basic(a=1, b=[2,3], c=dict(d=4, e=5))
        self.assertEqual(doc.a, doc['a'])
        self.assertEqual(doc.d, None)
        self.assertRaises(AttributeError, getattr, doc, 'e')
        self.assertRaises(AttributeError, getattr, doc, 'foo')
        self.assertRaises(KeyError, doc.__getitem__, 'foo')

        doc['d'] = 'test'
        self.assertEqual(doc.d, doc['d'])
        doc['e'] = 'test'
        self.assertEqual(doc.e, doc['e'])
        del doc.d
        self.assertEqual(doc.d, None)
        del doc.e
        self.assertRaises(AttributeError, getattr, doc, 'e')

        doc['a'] = 5
        self.assertEqual(doc.a, doc['a'])
        self.assertEqual(doc.a, 5)
        self.assert_('a' in doc)
        doc.delete()

    def test_mapper(self):
        m = mapper(self.Basic)
        self.assertEqual(repr(m), '<Mapper Basic:basic>')
        doc = self.Basic(a=1, b=[2,3], c=dict(d=4, e=5))
        self.session.flush()
        q = self.Basic.query.find()
        self.assertEqual(q.count(), 1)
        self.session.remove(self.Basic, {})
        q = self.Basic.query.find()
        self.assertEqual(q.count(), 0)

    def test_query(self):
        doc = self.Basic(a=1, b=[2,3], c=dict(d=4, e=5))
        self.session.flush()
        q = self.Basic.query.find(dict(a=1))
        self.assertEqual(q.count(), 1)
        doc.a = 5
        self.session.flush()
        q = self.Basic.query.find(dict(a=1))
        self.assertEqual(q.count(), 0)
        self.assertEqual(doc.query.find(dict(a=1)).count(), 0)
        doc = self.Basic.query.get(a=5)
        self.assert_(doc is not None)
        self.Basic.query.remove({})
        self.assertEqual(self.Basic.query.find().count(), 0)

    def test_delete(self):
        doc = self.Basic(a=1, b=[2,3], c=dict(d=4, e=5))
        self.session.flush()
        q = self.Basic.query.find()
        self.assertEqual(q.count(), 1)
        doc.delete()
        q = self.Basic.query.find()
        self.assertEqual(q.count(), 1)
        self.session.flush()
        q = self.Basic.query.find()
        self.assertEqual(q.count(), 0)
        doc = self.Basic(a=1, b=[2,3], c=dict(d=4, e=5))
        self.session.flush()
        q = self.Basic.query.find()
        self.assertEqual(q.count(), 1)

    def test_imap(self):
        doc = self.Basic(a=1, b=[2,3], c=dict(d=4, e=5))
        self.session.flush()
        doc1 = self.Basic.query.get(_id=doc._id)
        self.assert_(doc is doc1)
        self.session.expunge(doc)
        doc1 = self.Basic.query.get(_id=doc._id)
        self.assert_(doc is not doc1)
        self.session.expunge(doc)
        self.session.expunge(doc)
        self.session.expunge(doc)
Ejemplo n.º 9
0
class TestBasicMapping(TestCase):
    def setUp(self):
        self.datastore = create_datastore('mim:///test_db')
        session = Session(bind=self.datastore)
        self.session = ODMSession(session)
        basic = collection('basic', session, Field('_id', S.ObjectId),
                           Field('a', int), Field('b', [int]),
                           Field('c', dict(d=int, e=int)))

        class Basic(object):
            pass

        self.session.mapper(Basic, basic)
        self.basic = basic
        self.Basic = Basic

    def tearDown(self):
        self.session.clear()
        self.datastore.conn.drop_all()

    def test_set_to_same(self):
        obj = self.Basic(a=1)
        assert state(obj).status == 'new'
        self.session.flush()
        assert state(obj).status == 'clean'
        obj.a = 1
        assert state(obj).status == 'clean'

    def test_disable_instrument(self):
        # Put a doc in the DB
        self.Basic(a=1, b=[2, 3], c=dict(d=4, e=5))
        self.session.flush()
        # Load back with instrumentation
        self.session.clear()
        obj = self.Basic.query.find().options(instrument=True).first()
        self.assertEqual(type(obj.b), InstrumentedList)
        self.assertEqual(type(obj.c), InstrumentedObj)
        # Load back without instrumentation
        self.session.clear()
        obj = self.Basic.query.find().options(instrument=False).first()
        self.assertEqual(type(obj.b), list)
        self.assertEqual(type(obj.c), Object)

    def test_enable_instrument(self):
        session = Session(bind=self.datastore)
        basic1 = collection('basic1', session, Field('_id', S.ObjectId),
                            Field('a', int), Field('b', [int]),
                            Field('c', dict(d=int, e=int)))

        class Basic1(object):
            pass

        self.session.mapper(Basic1, basic1, options=dict(instrument=False))
        # Put a doc in the DB
        Basic1(a=1, b=[2, 3], c=dict(d=4, e=5))
        self.session.flush()
        # Load back with instrumentation
        self.session.clear()
        obj = Basic1.query.find().options(instrument=True).first()
        self.assertEqual(type(obj.b), InstrumentedList)
        self.assertEqual(type(obj.c), InstrumentedObj)
        # Load back without instrumentation
        self.session.clear()
        obj = Basic1.query.find().options(instrument=False).first()
        self.assertEqual(type(obj.b), list)
        self.assertEqual(type(obj.c), Object)

    def test_repr(self):
        doc = self.Basic(a=1, b=[2, 3], c=dict(d=4, e=5))
        sdoc = repr(doc)
        assert 'a=1' in sdoc, sdoc
        assert 'b=I[2, 3]' in sdoc, sdoc
        assert "c=I{'e': 5, 'd': 4}" in sdoc, sdoc

    def test_create(self):
        doc = self.Basic()
        assert state(doc).status == 'new'
        self.session.flush()
        assert state(doc).status == 'clean'
        doc.a = 5
        assert state(doc).status == 'dirty'
        self.session.flush()
        assert state(doc).status == 'clean'
        c = doc.c
        c.e = 5
        assert state(doc).status == 'dirty', state(doc).status
        assert repr(state(doc)).startswith('<ObjectState')

    def test_mapped_object(self):
        doc = self.Basic(a=1, b=[2, 3], c=dict(d=4, e=5))
        self.assertEqual(doc.a, doc['a'])
        self.assertRaises(AttributeError, getattr, doc, 'foo')
        self.assertRaises(KeyError, doc.__getitem__, 'foo')
        doc['a'] = 5
        self.assertEqual(doc.a, doc['a'])
        self.assertEqual(doc.a, 5)
        self.assert_('a' in doc)
        doc.delete()

    def test_mapper(self):
        m = mapper(self.Basic)
        assert repr(m) == '<Mapper Basic:basic>'
        self.datastore.db.basic.insert(
            dict(a=1, b=[2, 3], c=dict(d=4, e=5), f='unknown'))
        print list(self.datastore.db.basic.find())
        obj = self.Basic.query.find().options(instrument=False).first()
        print obj
        q = self.Basic.query.find()
        self.assertEqual(q.count(), 1)
        self.session.remove(self.Basic, {})
        q = self.Basic.query.find()
        self.assertEqual(q.count(), 0)

    def test_query(self):
        doc = self.Basic(a=1, b=[2, 3], c=dict(d=4, e=5))
        self.session.flush()
        q = self.Basic.query.find(dict(a=1))
        self.assertEqual(q.count(), 1)
        doc.a = 5
        self.session.flush()
        q = self.Basic.query.find(dict(a=1))
        self.assertEqual(q.count(), 0)
        self.assertEqual(doc.query.find(dict(a=1)).count(), 0)
        self.assertEqual(doc.query.find(dict(b=doc.b)).count(), 1)
        doc = self.Basic.query.get(a=5)
        self.assert_(doc is not None)
        self.Basic.query.remove({})
        self.assertEqual(self.Basic.query.find().count(), 0)

    def test_delete(self):
        doc = self.Basic(a=1, b=[2, 3], c=dict(d=4, e=5))
        self.session.flush()
        q = self.Basic.query.find()
        self.assertEqual(q.count(), 1)
        doc.delete()
        q = self.Basic.query.find()
        self.assertEqual(q.count(), 1)
        self.session.flush()
        q = self.Basic.query.find()
        self.assertEqual(q.count(), 0)
        doc = self.Basic(a=1, b=[2, 3], c=dict(d=4, e=5))
        self.session.flush()
        q = self.Basic.query.find()
        self.assertEqual(q.count(), 1)

    def test_imap(self):
        doc = self.Basic(a=1, b=[2, 3], c=dict(d=4, e=5))
        self.session.flush()
        doc1 = self.Basic.query.get(_id=doc._id)
        self.assert_(doc is doc1)
        self.session.expunge(doc)
        doc1 = self.Basic.query.get(_id=doc._id)
        self.assert_(doc is not doc1)
        self.session.expunge(doc)
        self.session.expunge(doc)
        self.session.expunge(doc)