afterincomparableyum commented on code in PR #3575: URL: https://github.com/apache/celeborn/pull/3575#discussion_r2750571474
########## cpp/celeborn/client/tests/CompressorFactoryTest.cpp: ########## @@ -0,0 +1,139 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You 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 <gtest/gtest.h> + +#include "celeborn/client/compress/Compressor.h" +#include "celeborn/conf/CelebornConf.h" + +using namespace celeborn; +using namespace celeborn::client; +using namespace celeborn::conf; +using namespace celeborn::protocol; + +TEST(CompressorFactoryTest, CreateLz4CompressorFromConf) { + CelebornConf conf; + conf.registerProperty(CelebornConf::kShuffleCompressionCodec, "LZ4"); + + auto compressor = compress::Compressor::createCompressor(conf); + ASSERT_NE(compressor, nullptr); + + // Verify it's an LZ4 compressor + EXPECT_GT(compressor->getDstCapacity(100), 0); +} + +TEST(CompressorFactoryTest, CreateZstdCompressorFromConf) { + CelebornConf conf; + conf.registerProperty(CelebornConf::kShuffleCompressionCodec, "ZSTD"); + conf.registerProperty( + CelebornConf::kShuffleCompressionZstdCompressLevel, "3"); + + auto compressor = compress::Compressor::createCompressor(conf); + ASSERT_NE(compressor, nullptr); + + // Verify it's a ZSTD compressor + EXPECT_GT(compressor->getDstCapacity(100), 0); +} + +TEST(CompressorFactoryTest, CompressionCodecNoneDisablesCompression) { + CelebornConf conf; + // Verify default is NONE + EXPECT_EQ(conf.shuffleCompressionCodec(), CompressionCodec::NONE); +} + +TEST(CompressorFactoryTest, ZstdCompressionLevelFromConf) { + // Test that configuration correctly reads ZSTD compression levels + for (int level = -5; level <= 10; level++) { + CelebornConf conf; + conf.registerProperty(CelebornConf::kShuffleCompressionCodec, "ZSTD"); + conf.registerProperty( + CelebornConf::kShuffleCompressionZstdCompressLevel, + std::to_string(level)); + + // Verify the compression level is set correctly + EXPECT_EQ(conf.shuffleCompressionZstdCompressLevel(), level); + + // Verify the compressor is created correctly + auto compressor = compress::Compressor::createCompressor(conf); + ASSERT_NE(compressor, nullptr); + EXPECT_GT(compressor->getDstCapacity(100), 0); + } +} + +TEST(CompressorFactoryTest, CompressWithOffsetLz4) { + CelebornConf conf; + conf.registerProperty(CelebornConf::kShuffleCompressionCodec, "LZ4"); + + auto compressor = compress::Compressor::createCompressor(conf); + ASSERT_NE(compressor, nullptr); + + const std::string prefix = "SKIP_THIS_PREFIX"; + const std::string testData = + "Celeborn compression offset test with structured data: " + "partition_0:shuffle_1:map_2:attempt_0:batch_3:data_block_4 " + "partition_0:shuffle_1:map_2:attempt_0:batch_3:data_block_4 " + "partition_0:shuffle_1:map_2:attempt_0:batch_3:data_block_4"; + std::string fullData = prefix + testData; + + const auto maxLength = compressor->getDstCapacity(testData.size()); + std::vector<uint8_t> compressedData(maxLength); + + // Compress with offset (simulating pushData usage pattern) + const size_t compressedSize = compressor->compress( + reinterpret_cast<const uint8_t*>(fullData.data()), + prefix.size(), + testData.size(), + compressedData.data(), + 0); + + // Verify compression succeeded with offset + EXPECT_GT(compressedSize, 0); + EXPECT_LE(compressedSize, maxLength); +} + +TEST(CompressorFactoryTest, CompressWithOffsetZstd) { + CelebornConf conf; + conf.registerProperty(CelebornConf::kShuffleCompressionCodec, "ZSTD"); + conf.registerProperty( + CelebornConf::kShuffleCompressionZstdCompressLevel, "3"); + + auto compressor = compress::Compressor::createCompressor(conf); + ASSERT_NE(compressor, nullptr); + + const std::string prefix = "SKIP_THIS_PREFIX"; + const std::string testData = + "Celeborn compression offset test with structured data: " + "partition_0:shuffle_1:map_2:attempt_0:batch_3:data_block_4 " + "partition_0:shuffle_1:map_2:attempt_0:batch_3:data_block_4 " + "partition_0:shuffle_1:map_2:attempt_0:batch_3:data_block_4"; + std::string fullData = prefix + testData; + + const auto maxLength = compressor->getDstCapacity(testData.size()); + std::vector<uint8_t> compressedData(maxLength); + + // Compress with offset (simulating pushData usage pattern) + const size_t compressedSize = compressor->compress( + reinterpret_cast<const uint8_t*>(fullData.data()), + prefix.size(), + testData.size(), + compressedData.data(), + 0); + + // Verify compression succeeded with offset + EXPECT_GT(compressedSize, 0); + EXPECT_LE(compressedSize, maxLength); +} Review Comment: done -- This is an automated message from the Apache Git Service. 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