wehub-resource-sync
216 lines
8.1 KiB
Python
216 lines
8.1 KiB
Python
# Copyright (c) 2026 PaddlePaddle Authors. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import unittest
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import paddle
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from paddle.distributed.fleet.meta_parallel import (
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LayerSpec,
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build_spec_layer,
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get_spec_layer,
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import_spec_layer,
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)
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from paddle.nn import Identity
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class SimpleRotaryEmbeddingForTest(paddle.nn.Layer):
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def __init__(
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self,
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head_dim: int,
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rotary_percent: float,
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rotary_interleaved: bool = False,
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rotary_base: int = 10000,
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rope_scaling: bool = False,
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) -> None:
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super().__init__()
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self.head_dim = head_dim
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self.rotary_percent = rotary_percent
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self.rotary_interleaved = rotary_interleaved
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self.rotary_base = rotary_base
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self.rope_scaling = rope_scaling
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class TestSpecCustomization(unittest.TestCase):
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def setUp(self):
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head_dim = 128
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rotary_base = 10000
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rotary_percent = 1.0
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rope_scaling = False
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rotary_emb_extra_kwargs = {
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"head_dim": head_dim // 2,
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"rotary_base": rotary_base,
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"rope_scaling": rope_scaling,
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"rotary_percent": rotary_percent,
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}
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self.embedding_spec = LayerSpec(
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layer=SimpleRotaryEmbeddingForTest,
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extra_kwargs=rotary_emb_extra_kwargs,
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)
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def tearDown(self):
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pass
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def test_import_layer(self):
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identity_cls = import_spec_layer(
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layer_path=('paddle.nn.layer.common', 'Identity')
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)
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self.assertEqual(identity_cls, Identity)
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def test_build_layer(self):
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head_dim = 128
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rotary_percent = 1.0
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rotary_base = 10000
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rope_scaling = False
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self.rotary_pos_emb = build_spec_layer(
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self.embedding_spec,
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head_dim=head_dim,
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rotary_percent=rotary_percent,
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rotary_base=rotary_base,
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rope_scaling=rope_scaling,
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)
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self.assertIsInstance(self.rotary_pos_emb, SimpleRotaryEmbeddingForTest)
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def test_layer_spec_basic(self):
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"""Test basic LayerSpec functionality."""
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# Test LayerSpec with class
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spec = LayerSpec(layer=Identity)
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self.assertEqual(spec.layer, Identity)
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self.assertEqual(spec.extra_kwargs, {})
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self.assertIsNone(spec.sublayers_spec)
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# Test LayerSpec with extra_kwargs
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spec_with_kwargs = LayerSpec(
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layer=Identity, extra_kwargs={"test_param": 123}
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)
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self.assertEqual(spec_with_kwargs.extra_kwargs, {"test_param": 123})
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# Test LayerSpec with layer path tuple
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spec_with_path = LayerSpec(layer=("paddle.nn.layer.common", "Identity"))
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self.assertEqual(
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spec_with_path.layer, ("paddle.nn.layer.common", "Identity")
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)
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def test_build_layer_with_identity_op(self):
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"""Test building layers with Identity."""
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# Build Identity
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identity = build_spec_layer(LayerSpec(layer=Identity))
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self.assertIsInstance(identity, Identity)
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# Test forward pass
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test_input = paddle.randn([2, 3])
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result = identity(test_input)
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self.assertEqual(result.shape, test_input.shape)
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def test_get_spec_layer_with_type(self):
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"""Test get_spec_layer with a type directly."""
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# Test with a type directly
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result = get_spec_layer(Identity)
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self.assertEqual(result, Identity)
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def test_get_spec_layer_with_layer_spec(self):
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"""Test get_spec_layer with LayerSpec containing a type."""
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# Test with LayerSpec containing a type
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spec = LayerSpec(layer=Identity)
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result = get_spec_layer(spec)
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self.assertEqual(result, Identity)
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def test_get_spec_layer_with_layer_path(self):
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"""Test get_spec_layer with LayerSpec containing a layer path tuple."""
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# Test with LayerSpec containing a layer path
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spec = LayerSpec(layer=("paddle.nn.layer.common", "Identity"))
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result = get_spec_layer(spec)
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self.assertEqual(result, Identity)
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def test_get_spec_layer_with_function(self):
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"""Test get_spec_layer with a function."""
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# Test with a function (using a lambda for testing)
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test_func = lambda x: x
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result = get_spec_layer(test_func)
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self.assertEqual(result, test_func)
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def test_get_spec_layer_with_extra_kwargs(self):
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"""Test get_spec_layer with extra kwargs (should be ignored)."""
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# extra_kwargs should be ignored by get_spec_layer
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spec = LayerSpec(layer=Identity, extra_kwargs={"test_param": 123})
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result = get_spec_layer(spec, additional_arg=456)
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self.assertEqual(result, Identity)
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def test_layer_spec_repr_with_tuple(self):
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"""Test LayerSpec __repr__ with tuple layer."""
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# Test with a tuple of layer path
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spec = LayerSpec(layer=("paddle.nn.layer.common", "Identity"))
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repr_str = repr(spec)
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self.assertIn("paddle.nn.layer.common", repr_str)
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self.assertIn("Identity", repr_str)
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def test_import_spec_layer_with_import_error(self):
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"""Test import_spec_layer with invalid import path."""
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# Test with invalid module path that raises ImportError
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result = import_spec_layer(("nonexistent.module.path", "SomeClass"))
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self.assertIsNone(result)
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def test_build_spec_layer_with_function(self):
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"""Test build_spec_layer with a function directly."""
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# Test with a function directly
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test_func = lambda x: x * 2
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result = build_spec_layer(test_func)
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self.assertEqual(result, test_func)
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def test_build_spec_layer_with_layer_spec_function(self):
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"""Test build_spec_layer with LayerSpec containing a function."""
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# Test with LayerSpec containing a function
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test_func = lambda x: x + 1
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spec = LayerSpec(layer=test_func, extra_kwargs={})
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result = build_spec_layer(spec)
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self.assertEqual(result, test_func)
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def test_build_spec_layer_with_type(self):
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"""Test build_spec_layer with a type directly."""
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# Test with a type directly - should instantiate the class
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result = build_spec_layer(Identity)
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self.assertIsInstance(result, Identity)
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def test_build_spec_layer_with_layer_spec_type(self):
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"""Test build_spec_layer with LayerSpec containing a type."""
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# Test with LayerSpec containing a type (class)
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spec = LayerSpec(layer=Identity)
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result = build_spec_layer(spec)
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self.assertIsInstance(result, Identity)
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def test_build_spec_layer_with_imported_function(self):
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"""Test build_spec_layer with layer path that imports a function."""
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# Test with LayerSpec containing a layer path that resolves to a function
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# Using a simple function from paddle.nn.functional
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spec = LayerSpec(layer=("paddle.nn.functional", "relu"))
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result = build_spec_layer(spec)
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# The imported layer should be a function
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self.assertTrue(callable(result))
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def test_build_spec_layer_exception_handling(self):
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"""Test build_spec_layer with invalid kwargs that cause exception."""
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# Test that exception is raised with improved error message
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# Use paddle.nn.Linear which requires in_features and out_features
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# Passing empty extra_kwargs will cause TypeError at instantiation
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spec = LayerSpec(layer=paddle.nn.Linear, extra_kwargs={})
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with self.assertRaises(Exception) as context:
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build_spec_layer(spec)
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# Verify the error message includes the layer name
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self.assertIn("Linear", str(context.exception))
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if __name__ == "__main__":
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unittest.main()
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