mindspore/tests/ut/cpp/dataset/rescale_op_test.cc

49 lines
1.7 KiB
C++

/**
* Copyright 2019 Huawei Technologies Co., Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "common/common.h"
#include "common/cvop_common.h"
#include "minddata/dataset/kernels/image/rescale_op.h"
#include "utils/log_adapter.h"
using namespace mindspore::dataset;
using mindspore::MsLogLevel::INFO;
using mindspore::ExceptionType::NoExceptionType;
using mindspore::LogStream;
class MindDataTestRescaleOp : public UT::CVOP::CVOpCommon {
public:
MindDataTestRescaleOp() : CVOpCommon() {}
};
TEST_F(MindDataTestRescaleOp, TestOp) {
// Rescale Factor
float rescale = 1.0 / 255;
float shift = 1.0;
std::unique_ptr<RescaleOp> op(new RescaleOp(rescale, shift));
std::shared_ptr<Tensor> output_tensor;
Status s = op->Compute(input_tensor_, &output_tensor);
EXPECT_TRUE(op->OneToOne());
EXPECT_TRUE(s.IsOk());
// The rescaled image becomes CV_32FC3, saving it as JPEG
// will result in a black image since opencv converts it to int
// This function is still good to have since it checks the shape
// but to check the data, its better and easier to do this
// check in python test.
CheckImageShapeAndData(output_tensor, kRescale);
MS_LOG(INFO) << "testRescale end.";
}