Tests a complex dependency graph: app_a: 0001 <- \ app_b: 0001 <- x 0002 <- / \ app_c: 0001<- <------------- x 0002 And apply squashing on app_c.
(self)
| 406 | self.assertNotIn(other_replaced_node, child_node.parents) |
| 407 | |
| 408 | def test_infinite_loop(self): |
| 409 | """ |
| 410 | Tests a complex dependency graph: |
| 411 | |
| 412 | app_a: 0001 <- |
| 413 | \ |
| 414 | app_b: 0001 <- x 0002 <- |
| 415 | / \ |
| 416 | app_c: 0001<- <------------- x 0002 |
| 417 | |
| 418 | And apply squashing on app_c. |
| 419 | """ |
| 420 | graph = MigrationGraph() |
| 421 | |
| 422 | graph.add_node(("app_a", "0001"), None) |
| 423 | graph.add_node(("app_b", "0001"), None) |
| 424 | graph.add_node(("app_b", "0002"), None) |
| 425 | graph.add_node(("app_c", "0001_squashed_0002"), None) |
| 426 | |
| 427 | graph.add_dependency( |
| 428 | "app_b.0001", ("app_b", "0001"), ("app_c", "0001_squashed_0002") |
| 429 | ) |
| 430 | graph.add_dependency("app_b.0002", ("app_b", "0002"), ("app_a", "0001")) |
| 431 | graph.add_dependency("app_b.0002", ("app_b", "0002"), ("app_b", "0001")) |
| 432 | graph.add_dependency( |
| 433 | "app_c.0001_squashed_0002", |
| 434 | ("app_c", "0001_squashed_0002"), |
| 435 | ("app_b", "0002"), |
| 436 | ) |
| 437 | |
| 438 | with self.assertRaises(CircularDependencyError): |
| 439 | graph.ensure_not_cyclic() |
| 440 | |
| 441 | def test_stringify(self): |
| 442 | graph = MigrationGraph() |
nothing calls this directly
no test coverage detected