| import inspect |
|
|
| from diffusers.utils import is_flax_available |
| from diffusers.utils.testing_utils import require_flax |
|
|
|
|
| if is_flax_available(): |
| import jax |
|
|
|
|
| @require_flax |
| class FlaxModelTesterMixin: |
| def test_output(self): |
| init_dict, inputs_dict = self.prepare_init_args_and_inputs_for_common() |
|
|
| model = self.model_class(**init_dict) |
| variables = model.init(inputs_dict["prng_key"], inputs_dict["sample"]) |
| jax.lax.stop_gradient(variables) |
|
|
| output = model.apply(variables, inputs_dict["sample"]) |
|
|
| if isinstance(output, dict): |
| output = output.sample |
|
|
| self.assertIsNotNone(output) |
| expected_shape = inputs_dict["sample"].shape |
| self.assertEqual(output.shape, expected_shape, "Input and output shapes do not match") |
|
|
| def test_forward_with_norm_groups(self): |
| init_dict, inputs_dict = self.prepare_init_args_and_inputs_for_common() |
|
|
| init_dict["norm_num_groups"] = 16 |
| init_dict["block_out_channels"] = (16, 32) |
|
|
| model = self.model_class(**init_dict) |
| variables = model.init(inputs_dict["prng_key"], inputs_dict["sample"]) |
| jax.lax.stop_gradient(variables) |
|
|
| output = model.apply(variables, inputs_dict["sample"]) |
|
|
| if isinstance(output, dict): |
| output = output.sample |
|
|
| self.assertIsNotNone(output) |
| expected_shape = inputs_dict["sample"].shape |
| self.assertEqual(output.shape, expected_shape, "Input and output shapes do not match") |
|
|
| def test_deprecated_kwargs(self): |
| has_kwarg_in_model_class = "kwargs" in inspect.signature(self.model_class.__init__).parameters |
| has_deprecated_kwarg = len(self.model_class._deprecated_kwargs) > 0 |
|
|
| if has_kwarg_in_model_class and not has_deprecated_kwarg: |
| raise ValueError( |
| f"{self.model_class} has `**kwargs` in its __init__ method but has not defined any deprecated kwargs" |
| " under the `_deprecated_kwargs` class attribute. Make sure to either remove `**kwargs` if there are" |
| " no deprecated arguments or add the deprecated argument with `_deprecated_kwargs =" |
| " [<deprecated_argument>]`" |
| ) |
|
|
| if not has_kwarg_in_model_class and has_deprecated_kwarg: |
| raise ValueError( |
| f"{self.model_class} doesn't have `**kwargs` in its __init__ method but has defined deprecated kwargs" |
| " under the `_deprecated_kwargs` class attribute. Make sure to either add the `**kwargs` argument to" |
| f" {self.model_class}.__init__ if there are deprecated arguments or remove the deprecated argument" |
| " from `_deprecated_kwargs = [<deprecated_argument>]`" |
| ) |
|
|
