| 206 | self.assert_sql_count(testing.db, go, 1) |
| 207 | |
| 208 | def test_comparator(self): |
| 209 | Graph, Edge, Point = ( |
| 210 | self.classes.Graph, |
| 211 | self.classes.Edge, |
| 212 | self.classes.Point, |
| 213 | ) |
| 214 | |
| 215 | sess = self._fixture() |
| 216 | |
| 217 | g = sess.query(Graph).first() |
| 218 | |
| 219 | assert ( |
| 220 | sess.query(Edge).filter(Edge.start == Point(3, 4)).one() |
| 221 | is g.edges[0] |
| 222 | ) |
| 223 | |
| 224 | assert ( |
| 225 | sess.query(Edge).filter(Edge.start != Point(3, 4)).first() |
| 226 | is g.edges[1] |
| 227 | ) |
| 228 | |
| 229 | eq_(sess.query(Edge).filter(Edge.start == None).all(), []) # noqa |
| 230 | |
| 231 | def test_comparator_aliased(self): |
| 232 | Graph, Edge, Point = ( |