forked from mindspore-Ecosystem/mindspore
73 lines
3.1 KiB
Python
73 lines
3.1 KiB
Python
# Copyright 2020 Huawei Technologies Co., Ltd
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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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# ==============================================================================
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import pytest
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import mindspore.common.dtype as mstype
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import mindspore.dataset as ds
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import mindspore.dataset.transforms.c_transforms as ops
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import mindspore.dataset.transforms.py_transforms as py_ops
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def test_compose():
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"""
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Test C++ and Python Compose Op
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"""
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ds.config.set_seed(0)
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def test_config(arr, op_list):
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try:
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data = ds.NumpySlicesDataset(arr, column_names="col", shuffle=False)
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data = data.map(input_columns=["col"], operations=op_list)
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res = []
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for i in data.create_dict_iterator(output_numpy=True):
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res.append(i["col"].tolist())
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return res
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except (TypeError, ValueError) as e:
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return str(e)
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# Test simple compose with only 1 op, this would generate a warning
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assert test_config([[1, 0], [3, 4]], ops.Compose([ops.Fill(2)])) == [[2, 2], [2, 2]]
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# Test 1 column -> 2 columns -> 1 -> 2 -> 1
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assert test_config([[1, 0]],
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ops.Compose([ops.Duplicate(), ops.Concatenate(), ops.Duplicate(), ops.Concatenate()])) \
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== [[1, 0] * 4]
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# Test one Python transform followed by a C transform. Type after OneHot is a float (mixed use-case)
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assert test_config([1, 0], ops.Compose([py_ops.OneHotOp(2), ops.TypeCast(mstype.int32)])) == [[[0, 1]], [[1, 0]]]
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# Test exceptions.
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with pytest.raises(TypeError) as error_info:
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ops.Compose([1, ops.TypeCast(mstype.int32)])
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assert "op_list[0] is not a c_transform op (TensorOp) nor a callable pyfunc." in str(error_info.value)
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# Test empty op list
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with pytest.raises(ValueError) as error_info:
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test_config([1, 0], ops.Compose([]))
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assert "op_list can not be empty." in str(error_info.value)
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# Test Python compose op
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assert test_config([1, 0], py_ops.Compose([py_ops.OneHotOp(2)])) == [[[0, 1]], [[1, 0]]]
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assert test_config([1, 0], py_ops.Compose([py_ops.OneHotOp(2), (lambda x: x + x)])) == [[[0, 2]], [[2, 0]]]
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# Test nested Python compose op
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assert test_config([1, 0],
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py_ops.Compose([py_ops.Compose([py_ops.OneHotOp(2)]), (lambda x: x + x)])) \
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== [[[0, 2]], [[2, 0]]]
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with pytest.raises(TypeError) as error_info:
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py_ops.Compose([(lambda x: x + x)])()
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assert "Compose was called without an image. Fix invocation (avoid it being invoked as Compose([...])())." in str(
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error_info.value)
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if __name__ == "__main__":
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test_compose()
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