def test_modify_view_component(matrix_type, mapping_name):
    adata = ad.AnnData(
        np.zeros((10, 10)),
        **{mapping_name: dict(m=matrix_type(asarray(sparse.random(10, 10))))},
    )
    init_hash = joblib.hash(adata)

    subset = adata[:5, :][:, :5]
    assert subset.is_view
    m = getattr(subset, mapping_name)["m"]
    m[0, 0] = 100
    assert not subset.is_view
    assert getattr(subset, mapping_name)["m"][0, 0] == 100

    assert init_hash == joblib.hash(adata)
def test_filter_factory(self):
        factory = memcache.filter_factory({'max_connections': '3'},
                                          memcache_servers='10.10.10.10:10',
                                          memcache_serialization_support='1')
        thefilter = factory('myapp')
        self.assertEqual(thefilter.app, 'myapp')
        self.assertEqual(thefilter.memcache_servers, '10.10.10.10:10')
        self.assertEqual(thefilter.memcache._allow_pickle, False)
        self.assertEqual(thefilter.memcache._allow_unpickle, True)
        self.assertEqual(
            thefilter.memcache._client_cache['10.10.10.10:10'].max_size, 3)