1 /** 2 * Copyright 2019 Huawei Technologies Co., Ltd 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 #include "common/common.h" 17 #include "common/cvop_common.h" 18 #include "minddata/dataset/kernels/image/rescale_op.h" 19 #include "utils/log_adapter.h" 20 21 using namespace mindspore::dataset; 22 using mindspore::MsLogLevel::INFO; 23 using mindspore::ExceptionType::NoExceptionType; 24 using mindspore::LogStream; 25 26 class MindDataTestRescaleOp : public UT::CVOP::CVOpCommon { 27 public: 28 MindDataTestRescaleOp() : CVOpCommon() {} 29 }; 30 31 TEST_F(MindDataTestRescaleOp, TestOp) { 32 // Rescale Factor 33 float rescale = 1.0 / 255; 34 float shift = 1.0; 35 36 std::unique_ptr<RescaleOp> op(new RescaleOp(rescale, shift)); 37 std::shared_ptr<Tensor> output_tensor; 38 Status s = op->Compute(input_tensor_, &output_tensor); 39 EXPECT_TRUE(op->OneToOne()); 40 EXPECT_TRUE(s.IsOk()); 41 // The rescaled image becomes CV_32FC3, saving it as JPEG 42 // will result in a black image since opencv converts it to int 43 // This function is still good to have since it checks the shape 44 // but to check the data, its better and easier to do this 45 // check in python test. 46 CheckImageShapeAndData(output_tensor, kRescale); 47 MS_LOG(INFO) << "testRescale end."; 48 } 49