document/src/tests/serialization/compression_test.cpp


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// Copyright 2016 Yahoo Inc. 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/document/util/compressor.h>
#include <vespa/vespalib/data/databuffer.h>

#include <vespa/log/log.h>
LOG_SETUP("compression_test");

using namespace document;
using namespace document::compression;
using namespace vespalib;

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_MAIN() {
    TEST_RUN_ALL();
}