def test_set_varm(adata):
    init_hash = joblib.hash(adata)

    dim0_size = np.random.randint(2, adata.shape[1] - 1)
    dim1_size = np.random.randint(1, 99)
    orig_varm_val = adata.varm["o"].copy()
    subset_idx = np.random.choice(adata.var_names, dim0_size, replace=False)

    subset = adata[:, subset_idx]
    assert subset.is_view
    subset.varm = dict(o=np.ones((dim0_size, dim1_size)))
    assert not subset.is_view
    assert np.all(orig_varm_val == adata.varm["o"])  # Checking for mutation
    assert np.all(subset.varm["o"] == np.ones((dim0_size, dim1_size)))

    subset = adata[:, subset_idx]
    subset_hash = joblib.hash(subset)
    with pytest.raises(ValueError):
        subset.varm = dict(o=np.ones((dim0_size + 1, dim1_size)))
    with pytest.raises(ValueError):
        subset.varm = dict(o=np.ones((dim0_size - 1, dim1_size)))
    # subset should not be changed by failed setting
    assert subset_hash == joblib.hash(subset)
    assert init_hash == joblib.hash(adata)
def test_basic(self):
        table2, table1 = self.tables.table2, self.tables.table1

        Session = scoped_session(sa.orm.sessionmaker(testing.db))

        class CustomQuery(query.Query):
            pass

        class SomeObject(fixtures.ComparableEntity):
            query = Session.query_property()

        class SomeOtherObject(fixtures.ComparableEntity):
            query = Session.query_property()
            custom_query = Session.query_property(query_cls=CustomQuery)

        self.mapper_registry.map_imperatively(
            SomeObject,
            table1,
            properties={"options": relationship(SomeOtherObject)},
        )
        self.mapper_registry.map_imperatively(SomeOtherObject, table2)

        s = SomeObject(id=1, data="hello")
        sso = SomeOtherObject()
        s.options.append(sso)
        Session.add(s)
        Session.commit()
        Session.refresh(sso)
        Session.remove()

        eq_(
            SomeObject(
                id=1, data="hello", options=[SomeOtherObject(someid=1)]
            ),
            Session.query(SomeObject).one(),
        )
        eq_(
            SomeObject(
                id=1, data="hello", options=[SomeOtherObject(someid=1)]
            ),
            SomeObject.query.one(),
        )
        eq_(
            SomeOtherObject(someid=1),
            SomeOtherObject.query.filter(
                SomeOtherObject.someid == sso.someid
            ).one(),
        )
        assert isinstance(SomeOtherObject.query, query.Query)
        assert not isinstance(SomeOtherObject.query, CustomQuery)
        assert isinstance(SomeOtherObject.custom_query, query.Query)