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