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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/vespalib/testkit/test_kit.h>
#include <vespa/vespalib/stllike/string.h>
#include <vespa/vespalib/util/compressor.h>
#include <vespa/vespalib/data/databuffer.h>
#include <vespa/log/log.h>
LOG_SETUP("compression_test");
using namespace vespalib;
using namespace vespalib::compression;
static vespalib::string _G_compressableText("AAAAAAAAAAAAAAABBBBBBBBBBBBBBBBBCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCDDDDDDDDDDDDDDDDDDDDDDDDDEEEEEEEEEEEEEEE"
"AAAAAAAAAAAAAAABBBBBBBBBBBBBBBBBCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCDDDDDDDDDDDDDDDDDDDDDDDDDEEEEEEEEEEEEEEE"
"AAAAAAAAAAAAAAABBBBBBBBBBBBBBBBBCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCDDDDDDDDDDDDDDDDDDDDDDDDDEEEEEEEEEEEEEEE"
"AAAAAAAAAAAAAAABBBBBBBBBBBBBBBBBCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCDDDDDDDDDDDDDDDDDDDDDDDDDEEEEEEEEEEEEEEE"
"AAAAAAAAAAAAAAABBBBBBBBBBBBBBBBBCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCDDDDDDDDDDDDDDDDDDDDDDDDDEEEEEEEEEEEEEEE"
"XYZABCDEFGHIJGJMNOPQRSTUVW"
"AAAAAAAAAAAAAAABBBBBBBBBBBBBBBBBCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCDDDDDDDDDDDDDDDDDDDDDDDDDEEEEEEEEEEEEEEE"
"AAAAAAAAAAAAAAABBBBBBBBBBBBBBBBBCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCDDDDDDDDDDDDDDDDDDDDDDDDDEEEEEEEEEEEEEEE"
"AAAAAAAAAAAAAAABBBBBBBBBBBBBBBBBCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCDDDDDDDDDDDDDDDDDDDDDDDDDEEEEEEEEEEEEEEE"
"AAAAAAAAAAAAAAABBBBBBBBBBBBBBBBBCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCDDDDDDDDDDDDDDDDDDDDDDDDDEEEEEEEEEEEEEEE"
"AAAAAAAAAAAAAAABBBBBBBBBBBBBBBBBCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCDDDDDDDDDDDDDDDDDDDDDDDDDEEEEEEEEEEEEEEE"
"XYZABCDEFGHIJGJMNOPQRSTUVW");
TEST("requireThatLZ4CompressFine") {
CompressionConfig cfg(CompressionConfig::Type::LZ4);
ConstBufferRef ref(_G_compressableText.c_str(), _G_compressableText.size());
DataBuffer compressed;
EXPECT_EQUAL(CompressionConfig::Type::LZ4, compress(cfg, ref, compressed, false));
EXPECT_EQUAL(66u, compressed.getDataLen());
}
TEST("requireThatZStdCompressFine") {
CompressionConfig cfg(CompressionConfig::Type::ZSTD);
ConstBufferRef ref(_G_compressableText.c_str(), _G_compressableText.size());
DataBuffer compressed;
EXPECT_EQUAL(CompressionConfig::Type::ZSTD, compress(cfg, ref, compressed, false));
EXPECT_EQUAL(64u, compressed.getDataLen());
}
TEST("require that no compression/decompression works") {
CompressionConfig cfg(CompressionConfig::Type::NONE);
Compress compress(cfg, _G_compressableText.c_str(), _G_compressableText.size());
EXPECT_EQUAL(CompressionConfig::Type::NONE, compress.type());
EXPECT_EQUAL(1072u, compress.size());
Decompress decompress(compress.type(), _G_compressableText.size(), compress.data(), compress.size());
EXPECT_EQUAL(_G_compressableText, vespalib::string(decompress.data(), decompress.size()));
}
TEST("require that lz4 compression/decompression works") {
CompressionConfig cfg(CompressionConfig::Type::LZ4);
Compress compress(cfg, _G_compressableText.c_str(), _G_compressableText.size());
EXPECT_EQUAL(CompressionConfig::Type::LZ4, compress.type());
EXPECT_EQUAL(66u, compress.size());
Decompress decompress(compress.type(), _G_compressableText.size(), compress.data(), compress.size());
EXPECT_EQUAL(_G_compressableText, vespalib::string(decompress.data(), decompress.size()));
}
TEST("requiret that zstd compression/decompression works") {
CompressionConfig cfg(CompressionConfig::Type::ZSTD);
Compress compress(cfg, _G_compressableText.c_str(), _G_compressableText.size());
EXPECT_EQUAL(CompressionConfig::Type::ZSTD, compress.type());
EXPECT_EQUAL(64u, compress.size());
Decompress decompress(compress.type(), _G_compressableText.size(), compress.data(), compress.size());
EXPECT_EQUAL(_G_compressableText, vespalib::string(decompress.data(), decompress.size()));
}
TEST("require that CompressionConfig is Atomic") {
EXPECT_EQUAL(8u, sizeof(CompressionConfig));
EXPECT_TRUE(std::atomic<CompressionConfig>::is_always_lock_free);
}
TEST_MAIN() {
TEST_RUN_ALL();
}
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