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Merge pull request #1396 from s-trinh/add_testNPZ
Add basic I/O tests for visp::cnpy::npz_load(), visp::cnpy::npz_save() functions
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| /**************************************************************************** | ||
| * | ||
| * ViSP, open source Visual Servoing Platform software. | ||
| * Copyright (C) 2005 - 2024 by Inria. All rights reserved. | ||
| * | ||
| * This software is free software; you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License as published by | ||
| * the Free Software Foundation; either version 2 of the License, or | ||
| * (at your option) any later version. | ||
| * See the file LICENSE.txt at the root directory of this source | ||
| * distribution for additional information about the GNU GPL. | ||
| * | ||
| * For using ViSP with software that can not be combined with the GNU | ||
| * GPL, please contact Inria about acquiring a ViSP Professional | ||
| * Edition License. | ||
| * | ||
| * See https://visp.inria.fr for more information. | ||
| * | ||
| * This software was developed at: | ||
| * Inria Rennes - Bretagne Atlantique | ||
| * Campus Universitaire de Beaulieu | ||
| * 35042 Rennes Cedex | ||
| * France | ||
| * | ||
| * If you have questions regarding the use of this file, please contact | ||
| * Inria at [email protected] | ||
| * | ||
| * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE | ||
| * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. | ||
| * | ||
| * Description: | ||
| * Test visp::cnpy::npz_load() / visp::cnpy::npy_save() functions. | ||
| * | ||
| *****************************************************************************/ | ||
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| #include <iostream> | ||
| #include <visp3/core/vpConfig.h> | ||
| #include <visp3/core/vpEndian.h> | ||
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| #if defined(VISP_HAVE_CATCH2) && \ | ||
| (defined(_WIN32) || (defined(__unix__) || defined(__unix) || (defined(__APPLE__) && defined(__MACH__)))) && \ | ||
| defined(VISP_LITTLE_ENDIAN) | ||
| #define CATCH_CONFIG_RUNNER | ||
| #include <catch.hpp> | ||
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| #include <visp3/core/vpIoTools.h> | ||
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| namespace | ||
| { | ||
| std::string createTmpDir() | ||
| { | ||
| std::string username; | ||
| vpIoTools::getUserName(username); | ||
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||
| #if defined(_WIN32) | ||
| std::string tmp_dir = "C:/temp/" + username; | ||
| #elif (defined(__unix__) || defined(__unix) || (defined(__APPLE__) && defined(__MACH__))) | ||
| std::string tmp_dir = "/tmp/" + username; | ||
| #endif | ||
| std::string directory_filename = tmp_dir + "/testNPZ/"; | ||
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| vpIoTools::makeDirectory(directory_filename); | ||
| return directory_filename; | ||
| } | ||
| } | ||
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| TEST_CASE("Test visp::cnpy::npy_load/npz_save", "[visp::cnpy I/O]") | ||
| { | ||
| std::string directory_filename = createTmpDir(); | ||
| REQUIRE(vpIoTools::checkDirectory(directory_filename)); | ||
| std::string npz_filename = directory_filename + "/test_npz_read_write.npz"; | ||
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| SECTION("Read/Save string data") | ||
| { | ||
| const std::string save_string = "Open Source Visual Servoing Platform"; | ||
| std::vector<char> vec_save_string(save_string.begin(), save_string.end()); | ||
| const std::string identifier = "String"; | ||
| visp::cnpy::npz_save(npz_filename, identifier, &vec_save_string[0], { vec_save_string.size() }, "w"); | ||
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| visp::cnpy::npz_t npz_data = visp::cnpy::npz_load(npz_filename); | ||
| visp::cnpy::NpyArray arr_string_data = npz_data[identifier]; | ||
| std::vector<char> vec_arr_string_data = arr_string_data.as_vec<char>(); | ||
| // For null-terminated character handling, see: | ||
| // https://stackoverflow.com/a/8247804 | ||
| // https://stackoverflow.com/a/45491652 | ||
| const std::string read_string = std::string(vec_arr_string_data.begin(), vec_arr_string_data.end()); | ||
| CHECK(save_string == read_string); | ||
| } | ||
|
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| SECTION("Read/Save multi-dimensional array") | ||
| { | ||
| size_t height = 5, width = 7, channels = 3; | ||
| std::vector<int> save_vec; | ||
| save_vec.reserve(height*width*channels); | ||
| for (size_t i = 0; i < height*width*channels; i++) { | ||
| save_vec.push_back(i); | ||
| } | ||
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| const std::string identifier = "Array"; | ||
| visp::cnpy::npz_save(npz_filename, identifier, &save_vec[0], { height, width, channels }, "a"); // append | ||
| visp::cnpy::npz_t npz_data = visp::cnpy::npz_load(npz_filename); | ||
| visp::cnpy::NpyArray arr_vec_data = npz_data[identifier]; | ||
| std::vector<int> read_vec = arr_vec_data.as_vec<int>(); | ||
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| REQUIRE(save_vec.size() == read_vec.size()); | ||
| for (size_t i = 0; i < read_vec.size(); i++) { | ||
| CHECK(save_vec[i] == read_vec[i]); | ||
| } | ||
| } | ||
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| REQUIRE(vpIoTools::remove(directory_filename)); | ||
| REQUIRE(!vpIoTools::checkDirectory(directory_filename)); | ||
| } | ||
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| // https://en.cppreference.com/w/cpp/types/integer | ||
| // https://github.com/catchorg/Catch2/blob/devel/docs/test-cases-and-sections.md#type-parametrised-test-cases | ||
| using BasicTypes = std::tuple<uint8_t, int8_t, uint16_t, int16_t, uint32_t, int32_t, uint64_t, int64_t, float, double>; | ||
| TEMPLATE_LIST_TEST_CASE("Test visp::cnpy::npy_load/npz_save", "[BasicTypes][list]", BasicTypes) | ||
| { | ||
| std::string directory_filename = createTmpDir(); | ||
| REQUIRE(vpIoTools::checkDirectory(directory_filename)); | ||
| std::string npz_filename = directory_filename + "/test_npz_read_write.npz"; | ||
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| const std::string identifier = "data"; | ||
| TestType save_data = std::numeric_limits<TestType>::min(); | ||
| visp::cnpy::npz_save(npz_filename, identifier, &save_data, { 1 }, "w"); | ||
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| visp::cnpy::npz_t npz_data = visp::cnpy::npz_load(npz_filename); | ||
| visp::cnpy::NpyArray arr_data = npz_data[identifier]; | ||
| TestType read_data = *arr_data.data<TestType>(); | ||
| CHECK(save_data == read_data); | ||
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| save_data = std::numeric_limits<TestType>::max(); | ||
| visp::cnpy::npz_save(npz_filename, identifier, &save_data, { 1 }, "a"); // append | ||
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| npz_data = visp::cnpy::npz_load(npz_filename); | ||
| arr_data = npz_data[identifier]; | ||
| read_data = *arr_data.data<TestType>(); | ||
| CHECK(save_data == read_data); | ||
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| REQUIRE(vpIoTools::remove(directory_filename)); | ||
| REQUIRE(!vpIoTools::checkDirectory(directory_filename)); | ||
| } | ||
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| int main(int argc, char *argv[]) | ||
| { | ||
| Catch::Session session; // There must be exactly one instance | ||
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| // Let Catch (using Clara) parse the command line | ||
| session.applyCommandLine(argc, argv); | ||
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| int numFailed = session.run(); | ||
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| // numFailed is clamped to 255 as some unices only use the lower 8 bits. | ||
| // This clamping has already been applied, so just return it here | ||
| // You can also do any post run clean-up here | ||
| return numFailed; | ||
| } | ||
| #else | ||
| int main() { return EXIT_SUCCESS; } | ||
| #endif |