(self)
| 387 | """Tests FlagConfigurable.""" |
| 388 | |
| 389 | def test_set_defaults(self): |
| 390 | class Parent(utils.FlagConfigurable): |
| 391 | """A parent class.""" |
| 392 | |
| 393 | @classmethod |
| 394 | def define_flags(cls, fv): |
| 395 | flags.DEFINE_string("shared", None, "", flag_values=fv, allow_override=True) |
| 396 | flags.DEFINE_string("parent_only", None, "", flag_values=fv, allow_override=True) |
| 397 | |
| 398 | @classmethod |
| 399 | def set_defaults(cls, fv: flags.FlagValues): |
| 400 | super().set_defaults(fv) |
| 401 | fv.set_default("shared", "parent-default") |
| 402 | fv.set_default("parent_only", "parent-default") |
| 403 | fv.set_default("shared_override", "parent-default") |
| 404 | |
| 405 | class Child(Parent): |
| 406 | """A child class.""" |
| 407 | |
| 408 | @classmethod |
| 409 | def define_flags(cls, fv): |
| 410 | super().define_flags(fv) |
| 411 | flags.DEFINE_string("shared", None, "", flag_values=fv, allow_override=True) |
| 412 | flags.DEFINE_string("child_only", None, "", flag_values=fv, allow_override=True) |
| 413 | flags.DEFINE_string( |
| 414 | "shared_override", None, "", flag_values=fv, allow_override=True |
| 415 | ) |
| 416 | |
| 417 | @classmethod |
| 418 | def set_defaults(cls, fv: flags.FlagValues): |
| 419 | super().set_defaults(fv) |
| 420 | fv.set_default("shared_override", "child-default") |
| 421 | fv.set_default("child_only", "child-default") |
| 422 | |
| 423 | fv = flags.FlagValues() |
| 424 | cfg = Child.default_config() |
| 425 | utils.define_flags(cfg, fv) |
| 426 | fv.mark_as_parsed() |
| 427 | utils.from_flags(cfg, fv) |
| 428 | |
| 429 | # "parent-only" and "child-only" should follow original defaults. |
| 430 | self.assertEqual(fv.parent_only, "parent-default") |
| 431 | self.assertEqual(fv.child_only, "child-default") |
| 432 | |
| 433 | # "shared" should follow parent default, because it is not overridden. |
| 434 | # Note that this is the case even though child defines the same flag. |
| 435 | self.assertEqual(fv.shared, "parent-default") |
| 436 | |
| 437 | # "shared_override" should follow child default, because it is overridden. |
| 438 | self.assertEqual(fv.shared_override, "child-default") |
| 439 | |
| 440 | def test_flag_utils(self): |
| 441 | """Tests define_flags and from_flags.""" |
nothing calls this directly
no test coverage detected