fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph
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107 lines
2.8 KiB
107 lines
2.8 KiB
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under both the GPLv2 (found in the
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// COPYING file in the root directory) and Apache 2.0 License
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// (found in the LICENSE.Apache file in the root directory).
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#ifndef ROCKSDB_LITE
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#include <inttypes.h>
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#include "rocksdb/sst_file_reader.h"
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#include "rocksdb/sst_file_writer.h"
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#include "util/testharness.h"
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#include "util/testutil.h"
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#include "utilities/merge_operators.h"
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namespace rocksdb {
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std::string EncodeAsString(uint64_t v) {
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char buf[16];
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snprintf(buf, sizeof(buf), "%08" PRIu64, v);
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return std::string(buf);
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}
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std::string EncodeAsUint64(uint64_t v) {
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std::string dst;
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PutFixed64(&dst, v);
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return dst;
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}
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class SstFileReaderTest : public testing::Test {
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public:
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SstFileReaderTest() {
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options_.merge_operator = MergeOperators::CreateUInt64AddOperator();
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sst_name_ = test::PerThreadDBPath("sst_file");
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}
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void CreateFileAndCheck(const std::vector<std::string>& keys) {
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SstFileWriter writer(soptions_, options_);
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ASSERT_OK(writer.Open(sst_name_));
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for (size_t i = 0; i + 2 < keys.size(); i += 3) {
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ASSERT_OK(writer.Put(keys[i], keys[i]));
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ASSERT_OK(writer.Merge(keys[i + 1], EncodeAsUint64(i + 1)));
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ASSERT_OK(writer.Delete(keys[i + 2]));
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}
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ASSERT_OK(writer.Finish());
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ReadOptions ropts;
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SstFileReader reader(options_);
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ASSERT_OK(reader.Open(sst_name_));
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ASSERT_OK(reader.VerifyChecksum());
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std::unique_ptr<Iterator> iter(reader.NewIterator(ropts));
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iter->SeekToFirst();
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for (size_t i = 0; i + 2 < keys.size(); i += 3) {
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ASSERT_TRUE(iter->Valid());
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ASSERT_EQ(iter->key().compare(keys[i]), 0);
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ASSERT_EQ(iter->value().compare(keys[i]), 0);
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iter->Next();
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ASSERT_TRUE(iter->Valid());
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ASSERT_EQ(iter->key().compare(keys[i + 1]), 0);
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ASSERT_EQ(iter->value().compare(EncodeAsUint64(i + 1)), 0);
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iter->Next();
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}
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ASSERT_FALSE(iter->Valid());
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}
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protected:
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Options options_;
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EnvOptions soptions_;
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std::string sst_name_;
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};
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const uint64_t kNumKeys = 100;
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TEST_F(SstFileReaderTest, Basic) {
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std::vector<std::string> keys;
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for (uint64_t i = 0; i < kNumKeys; i++) {
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keys.emplace_back(EncodeAsString(i));
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}
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CreateFileAndCheck(keys);
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}
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TEST_F(SstFileReaderTest, Uint64Comparator) {
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options_.comparator = test::Uint64Comparator();
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std::vector<std::string> keys;
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for (uint64_t i = 0; i < kNumKeys; i++) {
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keys.emplace_back(EncodeAsUint64(i));
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}
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CreateFileAndCheck(keys);
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}
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} // namespace rocksdb
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int main(int argc, char** argv) {
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::testing::InitGoogleTest(&argc, argv);
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return RUN_ALL_TESTS();
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}
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#else
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#include <stdio.h>
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int main(int /*argc*/, char** /*argv*/) {
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fprintf(stderr,
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"SKIPPED as SstFileReader is not supported in ROCKSDB_LITE\n");
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return 0;
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}
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#endif // ROCKSDB_LITE
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