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tkrzw_dbm_ulog_test.cc
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/*************************************************************************************************
* Tests for tkrzw_dbm_ulog.h
*
* Copyright 2020 Google LLC
* Licensed 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
* https://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 "tkrzw_sys_config.h"
#include "gtest/gtest.h"
#include "gmock/gmock.h"
#include "tkrzw_dbm.h"
#include "tkrzw_dbm_ulog.h"
#include "tkrzw_dbm_std.h"
#include "tkrzw_file.h"
#include "tkrzw_file_mmap.h"
#include "tkrzw_file_pos.h"
#include "tkrzw_file_std.h"
#include "tkrzw_file_util.h"
#include "tkrzw_lib_common.h"
#include "tkrzw_str_util.h"
#include "tkrzw_thread_util.h"
using namespace testing;
// Main routine
int main(int argc, char** argv) {
testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
TEST(DBMUpdateLoggerTest, DBMUpdateLoggerStrDeque) {
tkrzw::DBMUpdateLoggerStrDeque ulog(" ");
EXPECT_EQ(0, ulog.GetSize());
EXPECT_EQ(tkrzw::Status::SUCCESS, ulog.WriteSet("one", "hop"));
EXPECT_EQ(tkrzw::Status::SUCCESS, ulog.WriteSet("two", "step"));
EXPECT_EQ(tkrzw::Status::SUCCESS, ulog.WriteSet("three", "jump"));
EXPECT_EQ(tkrzw::Status::SUCCESS, ulog.WriteRemove("two"));
EXPECT_EQ(tkrzw::Status::SUCCESS, ulog.WriteClear());
EXPECT_EQ(5, ulog.GetSize());
std::string text;
EXPECT_TRUE(ulog.PopFront(&text));
EXPECT_EQ("SET one hop", text);
EXPECT_TRUE(ulog.PopFront(&text));
EXPECT_EQ("SET two step", text);
EXPECT_TRUE(ulog.PopBack(&text));
EXPECT_EQ("CLEAR", text);
EXPECT_TRUE(ulog.PopBack(&text));
EXPECT_EQ("REMOVE two", text);
EXPECT_EQ(1, ulog.GetSize());
ulog.Clear();
EXPECT_EQ(0, ulog.GetSize());
EXPECT_FALSE(ulog.PopFront(&text));
EXPECT_FALSE(ulog.PopBack(&text));
}
TEST(DBMUpdateLoggerTest, DBMUpdateLoggerDBM) {
tkrzw::StdHashDBM dbm(10);
tkrzw::DBMUpdateLoggerDBM ulog(&dbm);
EXPECT_EQ(tkrzw::Status::SUCCESS, ulog.WriteSet("one", "hop"));
EXPECT_EQ("hop", dbm.GetSimple("one"));
EXPECT_EQ(tkrzw::Status::SUCCESS, ulog.WriteSet("two", "step"));
EXPECT_EQ("step", dbm.GetSimple("two"));
EXPECT_EQ(tkrzw::Status::SUCCESS, ulog.WriteRemove("two"));
EXPECT_EQ("", dbm.GetSimple("two"));
EXPECT_EQ(tkrzw::Status::SUCCESS, ulog.WriteRemove("two"));
EXPECT_EQ(1, dbm.CountSimple());
EXPECT_EQ(tkrzw::Status::SUCCESS, ulog.WriteClear());
EXPECT_EQ(0, dbm.CountSimple());
EXPECT_EQ(tkrzw::Status::SUCCESS, ulog.Synchronize(false));
}
TEST(DBMUpdateLoggerTest, DBMUpdateLoggerSecondShard) {
tkrzw::StdHashDBM dbm(10);
tkrzw::DBMUpdateLoggerStrDeque ulog_core(" ");
tkrzw::DBMUpdateLoggerSecondShard ulog(&ulog_core);
EXPECT_EQ(tkrzw::Status::SUCCESS, ulog.WriteSet("one", "hop"));
EXPECT_EQ(tkrzw::Status::SUCCESS, ulog.WriteRemove("two"));
EXPECT_EQ(tkrzw::Status::SUCCESS, ulog.WriteClear());
EXPECT_EQ(tkrzw::Status::SUCCESS, ulog.WriteSet("two", "step"));
EXPECT_EQ(tkrzw::Status::SUCCESS, ulog.Synchronize(false));
EXPECT_EQ(3, ulog_core.GetSize());
std::string text;
EXPECT_TRUE(ulog_core.PopFront(&text));
EXPECT_EQ("SET one hop", text);
EXPECT_TRUE(ulog_core.PopFront(&text));
EXPECT_EQ("REMOVE two", text);
EXPECT_TRUE(ulog_core.PopFront(&text));
EXPECT_EQ("SET two step", text);
}
TEST(DBMUpdateLoggerTest, MQWrite) {
tkrzw::TemporaryDirectory tmp_dir(true, "tkrzw-");
const std::string prefix = tmp_dir.MakeUniquePath("casket-", "-mq");
tkrzw::MessageQueue mq;
tkrzw::DBMUpdateLoggerMQ ulog(&mq, 1, 2);
tkrzw::StdHashDBM dbm(10);
EXPECT_EQ(tkrzw::Status::SUCCESS, mq.Open(prefix, 10000, tkrzw::MessageQueue::OPEN_TRUNCATE));
dbm.SetUpdateLogger(&ulog);
const int64_t begin_ts = tkrzw::GetWallTime() * 1000;
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm.Set("one", "first"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm.Set("two", "second"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm.Remove("two"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm.Clear());
const int64_t end_ts = tkrzw::GetWallTime() * 1000;
auto reader = mq.MakeReader(begin_ts);
int64_t timestamp = 0;
std::string message;
EXPECT_EQ(tkrzw::Status::SUCCESS, reader->Read(×tamp, &message, 0));
EXPECT_GE(timestamp, begin_ts);
EXPECT_LE(timestamp, end_ts);
EXPECT_EQ(std::string("\xA1\x01\x02\x03\x05onefirst", 13), message);
EXPECT_EQ(tkrzw::Status::SUCCESS, reader->Read(×tamp, &message, 0));
EXPECT_GE(timestamp, begin_ts);
EXPECT_LE(timestamp, end_ts);
EXPECT_EQ(std::string("\xA1\x01\x02\x03\x06twosecond", 14), message);
EXPECT_EQ(tkrzw::Status::SUCCESS, reader->Read(×tamp, &message, 0));
EXPECT_GE(timestamp, begin_ts);
EXPECT_LE(timestamp, end_ts);
EXPECT_EQ(std::string("\xA2\x01\x02\x03two", 7), message);
EXPECT_EQ(tkrzw::Status::SUCCESS, reader->Read(×tamp, &message, 0));
EXPECT_GE(timestamp, begin_ts);
EXPECT_LE(timestamp, end_ts);
EXPECT_EQ(std::string("\xA3\x01\x02", 3), message);
EXPECT_EQ(tkrzw::Status::INFEASIBLE_ERROR, reader->Read(×tamp, &message, 0));
EXPECT_EQ(tkrzw::Status::SUCCESS, mq.Close());
}
TEST(DBMUpdateLoggerTest, MQParseUpdateLog) {
tkrzw::DBMUpdateLoggerMQ::UpdateLog op;
EXPECT_EQ(tkrzw::Status::BROKEN_DATA_ERROR,
tkrzw::DBMUpdateLoggerMQ::ParseUpdateLog("", &op));
EXPECT_EQ(tkrzw::Status::BROKEN_DATA_ERROR,
tkrzw::DBMUpdateLoggerMQ::ParseUpdateLog(std::string_view(
"\xA1\x00\x00\x0F\x0F", 5), &op));
EXPECT_EQ(tkrzw::Status::BROKEN_DATA_ERROR,
tkrzw::DBMUpdateLoggerMQ::ParseUpdateLog(std::string_view(
"\xA1", 1), &op));
EXPECT_EQ(tkrzw::Status::BROKEN_DATA_ERROR,
tkrzw::DBMUpdateLoggerMQ::ParseUpdateLog(std::string_view(
"\xA1\x00\x00", 3), &op));
EXPECT_EQ(tkrzw::Status::BROKEN_DATA_ERROR,
tkrzw::DBMUpdateLoggerMQ::ParseUpdateLog(std::string_view(
"\xA1\x00\x00\x0F", 4), &op));
EXPECT_EQ(tkrzw::Status::BROKEN_DATA_ERROR,
tkrzw::DBMUpdateLoggerMQ::ParseUpdateLog(std::string_view(
"\xFF\x00\x00", 3), &op));
EXPECT_EQ(tkrzw::Status::SUCCESS,
tkrzw::DBMUpdateLoggerMQ::ParseUpdateLog(std::string_view(
"\xA1\x01\x02\x03\x05onefirst", 13), &op));
EXPECT_EQ(tkrzw::DBMUpdateLoggerMQ::OP_SET, op.op_type);
EXPECT_EQ("one", op.key);
EXPECT_EQ("first", op.value);
EXPECT_EQ(1, op.server_id);
EXPECT_EQ(2, op.dbm_index);
EXPECT_EQ(tkrzw::Status::SUCCESS,
tkrzw::DBMUpdateLoggerMQ::ParseUpdateLog(std::string_view(
"\xA1\x81\x00\x81\x80\x00\x03\x06twosecond", 17), &op));
EXPECT_EQ(tkrzw::DBMUpdateLoggerMQ::OP_SET, op.op_type);
EXPECT_EQ("two", op.key);
EXPECT_EQ("second", op.value);
EXPECT_EQ(128, op.server_id);
EXPECT_EQ(16384, op.dbm_index);
EXPECT_EQ(tkrzw::Status::SUCCESS,
tkrzw::DBMUpdateLoggerMQ::ParseUpdateLog(std::string_view(
"\xA2\x01\x02\x03two", 7), &op));
EXPECT_EQ(tkrzw::DBMUpdateLoggerMQ::OP_REMOVE, op.op_type);
EXPECT_EQ("two", op.key);
EXPECT_EQ("", op.value);
EXPECT_EQ(tkrzw::Status::SUCCESS,
tkrzw::DBMUpdateLoggerMQ::ParseUpdateLog(std::string_view(
"\xA3\x01\x02", 3), &op));
EXPECT_EQ(tkrzw::DBMUpdateLoggerMQ::OP_CLEAR, op.op_type);
EXPECT_EQ("", op.key);
EXPECT_EQ("", op.value);
}
TEST(DBMUpdateLoggerTest, MQApplyUpdateLog) {
tkrzw::StdHashDBM dbm(10);
EXPECT_EQ(tkrzw::Status::BROKEN_DATA_ERROR,
tkrzw::DBMUpdateLoggerMQ::ApplyUpdateLog(&dbm, ""));
EXPECT_EQ(tkrzw::Status::INFEASIBLE_ERROR,
tkrzw::DBMUpdateLoggerMQ::ApplyUpdateLog(&dbm, std::string_view(
"\xA3\x00\x00", 3), 1, 0));
EXPECT_EQ(tkrzw::Status::INFEASIBLE_ERROR,
tkrzw::DBMUpdateLoggerMQ::ApplyUpdateLog(&dbm, std::string_view(
"\xA3\x01\x00", 3), -1, 0));
EXPECT_EQ(tkrzw::Status::INFEASIBLE_ERROR,
tkrzw::DBMUpdateLoggerMQ::ApplyUpdateLog(&dbm, std::string_view(
"\xA3\x00\x00", 3), 0, 1));
EXPECT_EQ(tkrzw::Status::INFEASIBLE_ERROR,
tkrzw::DBMUpdateLoggerMQ::ApplyUpdateLog(&dbm, std::string_view(
"\xA3\x00\x01", 3), 0, -1));
EXPECT_EQ(tkrzw::Status::SUCCESS,
tkrzw::DBMUpdateLoggerMQ::ApplyUpdateLog(&dbm, std::string_view(
"\xA1\x00\x00\x03\x05onefirst", 13), -128, 0));
EXPECT_EQ("first", dbm.GetSimple("one"));
EXPECT_EQ(tkrzw::Status::SUCCESS,
tkrzw::DBMUpdateLoggerMQ::ApplyUpdateLog(&dbm, std::string_view(
"\xA1\x00\x00\x03\x06twosecond", 14), 0, -128));
EXPECT_EQ("second", dbm.GetSimple("two"));
EXPECT_EQ(tkrzw::Status::SUCCESS,
tkrzw::DBMUpdateLoggerMQ::ApplyUpdateLog(&dbm, std::string_view(
"\xA2\x00\x00\x03two", 7)));
EXPECT_EQ("", dbm.GetSimple("two"));
EXPECT_EQ(1, dbm.CountSimple());
EXPECT_EQ(tkrzw::Status::SUCCESS,
tkrzw::DBMUpdateLoggerMQ::ApplyUpdateLog(&dbm, std::string_view(
"\xA3\x00\x00", 3)));
EXPECT_EQ(0, dbm.CountSimple());
}
TEST(DBMUpdateLoggerTest, MQIntegrate) {
tkrzw::TemporaryDirectory tmp_dir(true, "tkrzw-");
const std::string prefix = tmp_dir.MakeUniquePath("casket-", "-mq");
constexpr int32_t num_iterations = 10000;
tkrzw::MessageQueue mq;
tkrzw::DBMUpdateLoggerMQ ulog(&mq, 333333, 999), ulog_dummy(&mq, 333, 999);
tkrzw::StdTreeDBM src_dbm, dest_dbm1, dest_dbm2, dummy_dbm1, dummy_dbm2;
EXPECT_EQ(tkrzw::Status::SUCCESS,
mq.Open(prefix, 100000, tkrzw::MessageQueue::OPEN_TRUNCATE));
src_dbm.SetUpdateLogger(&ulog);
dummy_dbm1.SetUpdateLogger(&ulog);
dummy_dbm2.SetUpdateLogger(&ulog_dummy);
tkrzw::WaitCounter wc(2);
auto copier =
[&](tkrzw::DBM* dest) {
auto reader = mq.MakeReader(0);
int32_t count = num_iterations;
while (true) {
int64_t timestamp = 0;
std::string message;
tkrzw::Status status = reader->Read(×tamp, &message, 0.001);
if (status != tkrzw::Status::SUCCESS) {
if (status == tkrzw::Status::INFEASIBLE_ERROR) {
continue;
}
EXPECT_EQ(tkrzw::Status::CANCELED_ERROR, status);
break;
}
tkrzw::DBMUpdateLoggerMQ::UpdateLog op;
EXPECT_EQ(tkrzw::Status::SUCCESS,
tkrzw::DBMUpdateLoggerMQ::ParseUpdateLog(message, &op));
status = tkrzw::DBMUpdateLoggerMQ::ApplyUpdateLog(dest, message, 333333, 999);
if (status == tkrzw::Status::SUCCESS) {
EXPECT_EQ(333333, op.server_id);
if (--count == 0) {
wc.Done();
}
} else {
EXPECT_TRUE(op.server_id == 333 || op.server_id == 888);
EXPECT_EQ(tkrzw::Status::INFEASIBLE_ERROR, status);
}
}
wc.Done();
};
auto th1 = std::thread(copier, &dest_dbm1);
auto th2 = std::thread(copier, &dest_dbm2);
std::mt19937 mt(1);
std::uniform_int_distribution<int32_t> key_num_dist(1, num_iterations);
std::uniform_int_distribution<int32_t> op_dist(0, 3);
constexpr int32_t clear_pos = num_iterations / 8;
for (int32_t i = 1; i <= num_iterations; i++) {
const int32_t key_num = key_num_dist(mt);
const std::string key = tkrzw::ToString(key_num);
const std::string value = tkrzw::ToString(i * i);
if (i == clear_pos) {
EXPECT_EQ(tkrzw::Status::SUCCESS, src_dbm.Clear());
} else {
switch (op_dist(mt)) {
case 0:
EXPECT_EQ(tkrzw::Status::SUCCESS, src_dbm.Set(key, value));
tkrzw::DBMUpdateLoggerMQ::OverwriteThreadServerID(tkrzw::INT32MIN);
dummy_dbm1.Set(key, "DUMMY");
tkrzw::DBMUpdateLoggerMQ::OverwriteThreadServerID(888);
dummy_dbm2.Set(key, "DUMMY");
tkrzw::DBMUpdateLoggerMQ::OverwriteThreadServerID(-1);
dummy_dbm2.Set(key, "DUMMY");
break;
case 1:
EXPECT_EQ(tkrzw::Status::SUCCESS, src_dbm.Append(key, value, ":"));
break;
case 2: {
const tkrzw::Status status = src_dbm.Remove(key);
if (status != tkrzw::Status::SUCCESS) {
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, status);
EXPECT_EQ(tkrzw::Status::SUCCESS, src_dbm.Set(key, value));
}
tkrzw::DBMUpdateLoggerMQ::OverwriteThreadServerID(tkrzw::INT32MIN);
dummy_dbm1.Remove(key);
tkrzw::DBMUpdateLoggerMQ::OverwriteThreadServerID(888);
dummy_dbm2.Remove(key);
tkrzw::DBMUpdateLoggerMQ::OverwriteThreadServerID(-1);
dummy_dbm2.Remove(key);
break;
}
default: {
const tkrzw::Status status = src_dbm.Set(key, value, false);
if (status != tkrzw::Status::SUCCESS) {
EXPECT_EQ(tkrzw::Status::DUPLICATION_ERROR, status);
EXPECT_EQ(tkrzw::Status::SUCCESS, src_dbm.Remove(key));
}
tkrzw::DBMUpdateLoggerMQ::OverwriteThreadServerID(tkrzw::INT32MIN);
dummy_dbm1.Set(key, "DUMMY");
tkrzw::DBMUpdateLoggerMQ::OverwriteThreadServerID(888);
dummy_dbm2.Set(key, "DUMMY");
tkrzw::DBMUpdateLoggerMQ::OverwriteThreadServerID(-1);
dummy_dbm2.Set(key, "DUMMY");
break;
}
}
}
}
wc.Wait();
EXPECT_EQ(tkrzw::Status::SUCCESS, mq.Close());
EXPECT_EQ(src_dbm.CountSimple(), dest_dbm1.CountSimple());
EXPECT_EQ(src_dbm.CountSimple(), dest_dbm2.CountSimple());
std::string key, value;
auto iter = src_dbm.MakeIterator();
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->First());
while (iter->Get(&key, &value).IsOK()) {
EXPECT_EQ(value, dest_dbm1.GetSimple(key));
EXPECT_EQ(value, dest_dbm2.GetSimple(key));
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->Next());
}
th2.join();
th1.join();
}
TEST(DBMUpdateLoggerTest, ApplyUpdateLogFromFiles) {
tkrzw::TemporaryDirectory tmp_dir(true, "tkrzw-");
const std::string prefix = tmp_dir.MakeUniquePath("casket-", "-mq");
constexpr int32_t num_iterations = 10000;
tkrzw::MessageQueue mq;
tkrzw::DBMUpdateLoggerMQ ulog(&mq, 44444, 888);
tkrzw::StdTreeDBM src_dbm, dest_dbm;
EXPECT_EQ(tkrzw::Status::SUCCESS,
mq.Open(prefix, 100000, tkrzw::MessageQueue::OPEN_TRUNCATE));
src_dbm.SetUpdateLogger(&ulog);
EXPECT_EQ(tkrzw::Status::SUCCESS, src_dbm.Set("hello", "world"));
EXPECT_EQ(tkrzw::Status::SUCCESS, src_dbm.Append("hello", "world"));
EXPECT_EQ(tkrzw::Status::SUCCESS, src_dbm.Clear());
for (int32_t i = 1; i <= num_iterations; i++) {
const std::string key = tkrzw::ToString(i);
const std::string value = tkrzw::ToString(i * i);
EXPECT_EQ(tkrzw::Status::SUCCESS, src_dbm.Set(key, value));
if (i % 2 == 0) {
EXPECT_EQ(tkrzw::Status::SUCCESS, src_dbm.Remove(key));
}
}
EXPECT_EQ(tkrzw::Status::SUCCESS, mq.Close());
EXPECT_EQ(tkrzw::Status::SUCCESS, tkrzw::DBMUpdateLoggerMQ::ApplyUpdateLogFromFiles(
&dest_dbm, prefix, 0, 44444, 888));
EXPECT_EQ(src_dbm.CountSimple(), dest_dbm.CountSimple());
for (int32_t i = 1; i <= num_iterations; i++) {
const std::string key = tkrzw::ToString(i);
const std::string value = tkrzw::ToString(i * i);
if (i % 2 == 0) {
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, dest_dbm.Get(key));
} else {
EXPECT_EQ(value, dest_dbm.GetSimple(key));
}
}
}
// END OF FILE