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tkrzw_dbm_test_common.h
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tkrzw_dbm_test_common.h
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/*************************************************************************************************
* Common tests for DBM implementations
*
* 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 "gtest/gtest.h"
#include "gmock/gmock.h"
#include "tkrzw_dbm.h"
#include "tkrzw_dbm_common_impl.h"
#include "tkrzw_file.h"
#include "tkrzw_file_util.h"
#include "tkrzw_lib_common.h"
#include "tkrzw_str_util.h"
#include "tkrzw_sys_config.h"
using namespace testing;
class CommonDBMTest : public Test {
protected:
void FileTest(tkrzw::DBM* dbm, const std::string& path);
void LargeRecordTest(tkrzw::DBM* dbm);
void BasicTest(tkrzw::DBM* dbm);
void SequenceTest(tkrzw::DBM* dbm);
void AppendTest(tkrzw::DBM* dbm);
void ProcessTest(tkrzw::DBM* dbm);
void ProcessEachTest(tkrzw::DBM* dbm);
void RandomTest(tkrzw::DBM* dbm, int32_t seed);
void RandomTestThread(tkrzw::DBM* dbm);
void RebuildRandomTest(tkrzw::DBM* dbm);
void RecordMigrationTest(tkrzw::DBM* dbm, tkrzw::File* file);
void BackIteratorTest(tkrzw::DBM* dbm);
void IteratorBoundTest(tkrzw::DBM* dbm);
};
inline void CommonDBMTest::FileTest(tkrzw::DBM* dbm, const std::string& path) {
const std::string copy_path = path + ".copy";
EXPECT_FALSE(dbm->IsOpen());
EXPECT_FALSE(dbm->IsWritable());
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Open(path, true));
EXPECT_TRUE(dbm->IsOpen());
EXPECT_TRUE(dbm->IsWritable());
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("a", "AA"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("bb", "BBB"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("ccc", "CCCC"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Synchronize(false));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Remove("bb"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Close());
EXPECT_GT(tkrzw::GetFileSize(path), 0);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Open(path, true));
EXPECT_EQ(2, dbm->CountSimple());
EXPECT_EQ("AA", dbm->GetSimple("a"));
EXPECT_EQ("CCCC", dbm->GetSimple("ccc"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Close());
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Open(path, true));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("dddd", "DDDDD"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Synchronize(false));
EXPECT_GT(dbm->GetFileSizeSimple(), 0);
EXPECT_EQ(3, dbm->CountSimple());
EXPECT_EQ("AA", dbm->GetSimple("a"));
EXPECT_EQ("CCCC", dbm->GetSimple("ccc"));
EXPECT_EQ("DDDDD", dbm->GetSimple("dddd"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("eeeee", "EEEEEE"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->CopyFile(copy_path));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Close());
EXPECT_EQ(tkrzw::GetFileSize(path), tkrzw::GetFileSize(copy_path));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Open(copy_path, true, tkrzw::File::OPEN_NO_CREATE));
EXPECT_EQ(4, dbm->CountSimple());
EXPECT_EQ("AA", dbm->GetSimple("a"));
EXPECT_EQ("CCCC", dbm->GetSimple("ccc"));
EXPECT_EQ("DDDDD", dbm->GetSimple("dddd"));
EXPECT_EQ("EEEEEE", dbm->GetSimple("eeeee"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("x", "XX"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Synchronize(true));
EXPECT_EQ("XX", dbm->GetSimple("x"));
const std::string export_path = path + ".export";
auto new_dbm = dbm->MakeDBM();
EXPECT_EQ(tkrzw::Status::SUCCESS, new_dbm->Open(export_path, true));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Export(new_dbm.get()));
EXPECT_EQ(5, dbm->CountSimple());
EXPECT_EQ("AA", dbm->GetSimple("a"));
EXPECT_EQ("CCCC", dbm->GetSimple("ccc"));
EXPECT_EQ("DDDDD", dbm->GetSimple("dddd"));
EXPECT_EQ("EEEEEE", dbm->GetSimple("eeeee"));
EXPECT_EQ("XX", dbm->GetSimple("x"));
EXPECT_EQ(tkrzw::Status::SUCCESS, new_dbm->Close());
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Close());
}
inline void CommonDBMTest::LargeRecordTest(tkrzw::DBM* dbm) {
constexpr int32_t max_key_size = 128 * 128;
constexpr int32_t max_value_size = 128 * 128 * 128;
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("", ""));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Synchronize(false));
EXPECT_EQ(1, dbm->CountSimple());
int32_t count = 0;
for (int32_t key_size = 1; key_size <= max_key_size; key_size *= 2) {
const std::string key_prefix(key_size, 'k');
for (int32_t value_size = 1; value_size <= max_value_size; value_size *= 2) {
const std::string key = tkrzw::StrCat(key_prefix, ":", count * count);
const std::string value(value_size, 'v');
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set(key, value));
count++;
}
}
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Synchronize(false));
EXPECT_EQ(count + 1, dbm->CountSimple());
count = 0;
for (int32_t key_size = 1; key_size <= max_key_size; key_size *= 2) {
const std::string key_prefix(key_size, 'k');
for (int32_t value_size = 1; value_size <= max_value_size; value_size *= 2) {
const std::string key = tkrzw::StrCat(key_prefix, ":", count * count);
std::string value;
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Get(key, &value));
EXPECT_EQ(std::string(value_size, 'v'), value);
count++;
}
}
count = 0;
for (int32_t key_size = 1; key_size <= max_key_size; key_size *= 2) {
const std::string key_prefix(key_size, 'k');
for (int32_t value_size = 1; value_size <= max_value_size; value_size *= 2) {
const std::string key = tkrzw::StrCat(key_prefix, ":", count * count);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Remove(key));
count++;
}
}
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Synchronize(false));
EXPECT_EQ(1, dbm->CountSimple());
}
inline void CommonDBMTest::BasicTest(tkrzw::DBM* dbm) {
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("one", "ichi"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("two", "ni"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("three", "san"));
EXPECT_EQ(tkrzw::Status::DUPLICATION_ERROR, dbm->Set("three", "SAN", false));
int64_t count = 0;
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Count(&count));
EXPECT_EQ(3, count);
std::string key, value;
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Get("one", &value));
EXPECT_EQ("ichi", value);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Get("two", &value));
EXPECT_EQ("ni", value);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Get("three", &value));
EXPECT_EQ("san", value);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Get("three"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Remove("three"));
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, dbm->Remove("four"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Count(&count));
EXPECT_EQ(2, count);
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, dbm->Get("three", &value));
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, dbm->Get("three"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("three", "SANSAN"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Get("three", &value));
EXPECT_EQ("SANSAN", value);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("three", "SANSANSAN"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Get("three", &value));
EXPECT_EQ("SANSANSAN", value);
EXPECT_EQ("SANSANSAN", dbm->GetSimple("three"));
EXPECT_EQ("*", dbm->GetSimple("foobar", "*"));
EXPECT_EQ(3, dbm->CountSimple());
auto iter = dbm->MakeIterator();
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->First());
std::vector<std::string> keys, values;
while (true) {
const tkrzw::Status status = iter->Get(&key, &value);
if (status != tkrzw::Status::SUCCESS) {
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, status);
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, iter->Get());
EXPECT_EQ("*", iter->GetKey("*"));
EXPECT_EQ("*", iter->GetValue("*"));
break;
}
keys.emplace_back(key);
values.emplace_back(value);
EXPECT_EQ(key, iter->GetKey());
EXPECT_EQ(value, iter->GetValue());
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->Get());
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->Next());
}
EXPECT_THAT(keys, UnorderedElementsAre("one", "two", "three"));
EXPECT_THAT(values, UnorderedElementsAre("ichi", "ni", "SANSANSAN"));
auto iter1 = dbm->MakeIterator();
EXPECT_EQ(tkrzw::Status::SUCCESS, iter1->Jump("one"));
EXPECT_EQ("one", iter1->GetKey());
auto iter2 = dbm->MakeIterator();
EXPECT_EQ(tkrzw::Status::SUCCESS, iter2->Jump("two"));
EXPECT_EQ("two", iter2->GetKey());
auto iter3 = dbm->MakeIterator();
EXPECT_EQ(tkrzw::Status::SUCCESS, iter3->Jump("three"));
EXPECT_EQ("three", iter3->GetKey());
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Remove("one"));
auto status = iter1->Get();
EXPECT_TRUE(status == tkrzw::Status::SUCCESS || status == tkrzw::Status::NOT_FOUND_ERROR);
status = iter2->Get();
EXPECT_TRUE(status == tkrzw::Status::SUCCESS || status == tkrzw::Status::NOT_FOUND_ERROR);
status = iter3->Get();
EXPECT_TRUE(status == tkrzw::Status::SUCCESS || status == tkrzw::Status::NOT_FOUND_ERROR);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Remove("two"));
status = iter1->Get();
EXPECT_TRUE(status == tkrzw::Status::SUCCESS || status == tkrzw::Status::NOT_FOUND_ERROR);
status = iter2->Get();
EXPECT_TRUE(status == tkrzw::Status::SUCCESS || status == tkrzw::Status::NOT_FOUND_ERROR);
status = iter3->Get();
EXPECT_TRUE(status == tkrzw::Status::SUCCESS || status == tkrzw::Status::NOT_FOUND_ERROR);
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->Jump("three"));
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->Set("hello"));
EXPECT_EQ("three", iter->GetKey());
EXPECT_EQ("hello", iter->GetValue());
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->Remove());
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, iter->Remove());
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, iter->Get());
status = iter3->Get();
EXPECT_TRUE(status == tkrzw::Status::SUCCESS || status == tkrzw::Status::NOT_FOUND_ERROR);
EXPECT_EQ(0, dbm->CountSimple());
for (size_t size = 1; size <= 32768; size *= 2) {
const std::string value(size, '1');
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("1", value));
EXPECT_EQ(value, dbm->GetSimple("1"));
}
for (size_t size = 32768; size >= 1; size /= 2) {
const std::string value(size, '2');
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("2", value));
EXPECT_EQ(value, dbm->GetSimple("2"));
}
for (size_t size = 1; size <= 32768; size *= 2) {
const std::string value(size, '3');
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("3", value));
EXPECT_EQ(value, dbm->GetSimple("3"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Remove("3"));
}
for (size_t size = 32768; size >= 1; size /= 2) {
const std::string value(size, '4');
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("4", value));
EXPECT_EQ(value, dbm->GetSimple("4"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Remove("4"));
}
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Remove("1"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("1", "first"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("2", "second"));
EXPECT_EQ(2, dbm->CountSimple());
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Rebuild());
EXPECT_EQ("first", dbm->GetSimple("1"));
EXPECT_EQ("second", dbm->GetSimple("2"));
EXPECT_EQ(2, dbm->CountSimple());
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Clear());
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->SetMulti(
{{"one", "first"}, {"two", "second"}, {"three", "third"}, {"three", "foo"}}, true));
std::map<std::string, std::string> multi_records =
{{"four", "fourth"}, {"five", "fifth"}};
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->SetMulti(multi_records, true));
EXPECT_EQ(5, dbm->CountSimple());
EXPECT_EQ("first", dbm->GetSimple("one"));
EXPECT_EQ("second", dbm->GetSimple("two"));
EXPECT_EQ("foo", dbm->GetSimple("three"));
EXPECT_EQ("fifth", dbm->GetSimple("five"));
multi_records = dbm->GetMulti({"one", "two", "three", "four", "five"});
EXPECT_EQ(5, multi_records.size());
EXPECT_EQ("first", multi_records["one"]);
EXPECT_EQ("second", multi_records["two"]);
EXPECT_EQ("foo", multi_records["three"]);
EXPECT_EQ("fifth", multi_records["five"]);
const std::vector<std::string> multi_keys = {"one", "two", "three", "four", "five"};
multi_records = dbm->GetMulti(multi_keys);
EXPECT_EQ(5, multi_records.size());
EXPECT_EQ("first", multi_records["one"]);
EXPECT_EQ("second", multi_records["two"]);
EXPECT_EQ("foo", multi_records["three"]);
EXPECT_EQ("fifth", multi_records["five"]);
}
inline void CommonDBMTest::SequenceTest(tkrzw::DBM* dbm) {
constexpr int32_t num_var_records = 100;
constexpr int32_t num_seq_records = 100;
for (int32_t i = 0; i < num_var_records; i++) {
const std::string key(i, 'k');
const std::string value(i, 'v');
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set(key, value));
std::string got_value;
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Get(key, &got_value));
EXPECT_EQ(value, got_value);
}
EXPECT_EQ(num_var_records, dbm->CountSimple());
for (int32_t i = 1; i <= num_seq_records; i++) {
const std::string key = tkrzw::ToString(i);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set(key, key));
std::string got_value;
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Get(key, &got_value));
EXPECT_EQ(key, got_value);
}
EXPECT_EQ(num_var_records + num_seq_records, dbm->CountSimple());
std::map<std::string, std::string> expected;
for (int32_t i = 0; i < num_var_records; i++) {
const std::string key(i, 'k');
const std::string value(num_var_records - i - 1, 'v');
if (i % 2 == 0) {
const std::string value(num_var_records - i - 1, 'v');
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set(key, value));
std::string got_value;
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Get(key, &got_value));
expected.emplace(key, got_value);
} else {
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Remove(key));
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, dbm->Get(key, nullptr));
}
}
for (int32_t i = 1; i <= num_seq_records; i++) {
const std::string key = tkrzw::ToString(i);
if (i % 2 == 0) {
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set(key, "*"));
std::string got_value;
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Get(key, &got_value));
EXPECT_EQ("*", got_value);
expected.emplace(key, got_value);
} else {
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Remove(key));
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, dbm->Get(key, nullptr));
}
}
EXPECT_EQ(expected.size(), dbm->CountSimple());
auto iter = dbm->MakeIterator();
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->First());
int32_t count = 0;
while (true) {
std::string key, value;
const tkrzw::Status status = iter->Get(&key, &value);
if (status != tkrzw::Status::SUCCESS) {
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, status);
break;
}
EXPECT_EQ(tkrzw::SearchMap(expected, key, "-"), value);
count++;
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->Next());
}
EXPECT_EQ(count, expected.size());
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->First());
while (true) {
const tkrzw::Status status = iter->Remove();
if (status != tkrzw::Status::SUCCESS) {
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, status);
break;
}
}
EXPECT_EQ(0, dbm->CountSimple());
}
inline void CommonDBMTest::AppendTest(tkrzw::DBM* dbm) {
constexpr int64_t num_iterations = 300;
constexpr int64_t num_records = 100;
std::string even_value, odd_value;
for (int32_t i = 1; i <= num_iterations; i++) {
const std::string value = tkrzw::ToString(i * i);
for (int32_t key_num = 1; key_num <= num_records; key_num++) {
const std::string key = tkrzw::ToString(key_num * key_num);
if (key_num % 2 == 0) {
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Append(key, value, ","));
} else {
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Append(key, value));
}
}
if (!even_value.empty()) {
even_value.append(",");
}
even_value.append(value);
odd_value.append(value);
}
for (int32_t key_num = 1; key_num <= num_records; key_num++) {
const std::string key = tkrzw::ToString(key_num * key_num);
if (key_num % 2 == 0) {
EXPECT_EQ(even_value, dbm->GetSimple(key));
} else {
EXPECT_EQ(odd_value, dbm->GetSimple(key));
}
}
}
inline void CommonDBMTest::ProcessTest(tkrzw::DBM* dbm) {
class ConcatProc : public tkrzw::DBM::RecordProcessor {
public:
ConcatProc(std::string_view value, bool append) : value_(value), append_(append) {}
std::string_view ProcessFull(std::string_view key, std::string_view value) override {
if (append_) {
new_value_ = std::string(value);
new_value_.append(value_);
} else {
new_value_ = std::string(value_);
new_value_.append(value);
}
return new_value_;
}
std::string_view ProcessEmpty(std::string_view key) override {
return value_;
}
private:
std::string_view value_;
std::string new_value_;
bool append_;
};
{
ConcatProc append_proc("0", true);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Process("a", &append_proc, true));
}
{
ConcatProc append_proc("1", true);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Process("a", &append_proc, true));
}
{
ConcatProc append_proc("2", true);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Process("a", &append_proc, true));
}
EXPECT_EQ("012", dbm->GetSimple("a"));
{
ConcatProc prepend_proc("0", false);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Process("p", &prepend_proc, true));
}
{
ConcatProc prepend_proc("1", false);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Process("p", &prepend_proc, true));
}
{
ConcatProc prepend_proc("2", false);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Process("p", &prepend_proc, true));
}
EXPECT_EQ("210", dbm->GetSimple("p"));
auto iter = dbm->MakeIterator();
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->First());
while (true) {
const std::string key = iter->GetKey();
if (key.empty()) {
break;
}
ConcatProc append_proc("Z", true);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Process(key, &append_proc, true));
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->Next());
}
EXPECT_EQ("012Z", dbm->GetSimple("a"));
EXPECT_EQ("210Z", dbm->GetSimple("p"));
class SizeProc : public tkrzw::DBM::RecordProcessor {
public:
SizeProc() : size_(-1) {}
std::string_view ProcessFull(std::string_view key, std::string_view value) override {
size_ = value.size();
return NOOP;
}
int32_t Size() {
return size_;
}
private:
int32_t size_;
};
{
SizeProc size_proc;
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Process("x", &size_proc, false));
EXPECT_EQ(-1, size_proc.Size());
}
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("x", "abcde"));
{
SizeProc size_proc;
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Process("x", &size_proc, false));
EXPECT_EQ(5, size_proc.Size());
}
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->First());
std::vector<int32_t> sizes;
while (true) {
const std::string key = iter->GetKey();
if (key.empty()) {
break;
}
SizeProc size_proc;
const tkrzw::Status status = dbm->Process(key, &size_proc, false);
if (status != tkrzw::Status::SUCCESS) {
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, status);
break;
}
sizes.emplace_back(size_proc.Size());
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->Next());
}
EXPECT_EQ("210Z", dbm->GetSimple("p"));
EXPECT_THAT(sizes, UnorderedElementsAre(4, 4, 5));
EXPECT_EQ(3, dbm->CountSimple());
class RemoveProc : public tkrzw::DBM::RecordProcessor {
public:
std::string_view ProcessFull(std::string_view key, std::string_view value) override {
return REMOVE;
}
std::string_view ProcessEmpty(std::string_view key) override {
return REMOVE;
}
};
{
RemoveProc remove_proc;
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Process("p", &remove_proc, true));
}
EXPECT_EQ(2, dbm->CountSimple());
{
RemoveProc remove_proc;
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Process("p", &remove_proc, true));
}
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->First());
while (true) {
ConcatProc prepend_proc("BEGIN:", false);
const tkrzw::Status status = iter->Process(&prepend_proc, true);
if (status != tkrzw::Status::SUCCESS) {
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, status);
break;
}
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->Next());
}
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->First());
while (true) {
std::string key, value;
tkrzw::DBM::RecordProcessorIteratorGet get_proc(&key, &value);
tkrzw::Status status = iter->Process(&get_proc, false);
if (status != tkrzw::Status::SUCCESS) {
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, status);
break;
}
EXPECT_TRUE(tkrzw::StrBeginsWith(value, "BEGIN:"));
tkrzw::DBM::RecordProcessorIteratorSet set_proc(key);
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->Process(&set_proc, true));
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->Next());
}
auto second_iter = dbm->MakeIterator();
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->First());
EXPECT_EQ(tkrzw::Status::SUCCESS, second_iter->First());
int32_t count = 0;
while (true) {
std::string key, value;
tkrzw::DBM::RecordProcessorIteratorGet get_proc(&key, &value);
tkrzw::Status status = iter->Process(&get_proc, false);
if (status == tkrzw::Status::SUCCESS) {
EXPECT_EQ(key, value);
count++;
} else {
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, status);
}
tkrzw::DBM::RecordProcessorIteratorRemove remove_proc;
status = iter->Process(&remove_proc, true);
if (status != tkrzw::Status::SUCCESS) {
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, status);
break;
}
}
EXPECT_EQ(2, count);
EXPECT_EQ(0, dbm->CountSimple());
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, iter->Get());
const tkrzw::Status status = second_iter->Get();
EXPECT_TRUE(status == tkrzw::Status::SUCCESS || status == tkrzw::Status::NOT_FOUND_ERROR);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Append("1234", "foo", ","));
EXPECT_EQ("foo", dbm->GetSimple("1234"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Append("1234", "bar", ","));
EXPECT_EQ("foo,bar", dbm->GetSimple("1234"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Append("1234", "baz"));
EXPECT_EQ("foo,barbaz", dbm->GetSimple("1234"));
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, dbm->CompareExchange("a", "foo", "bar"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set("a", "foo"));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->CompareExchange("a", "foo", "bar"));
std::string actual;
EXPECT_EQ(tkrzw::Status::DUPLICATION_ERROR, dbm->CompareExchange("a", "foo", "baz", &actual));
EXPECT_EQ("bar", actual);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->CompareExchange("a", "bar", "qux", &actual));
EXPECT_EQ("bar", actual);
int64_t current = 0;
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Increment("b", -1, ¤t, -9));
EXPECT_EQ(-10, current);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Increment("b", tkrzw::INT64MIN, ¤t, 100));
EXPECT_EQ(-10, current);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Increment("b", 110));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Increment("b", 1, ¤t));
EXPECT_EQ(101, current);
EXPECT_EQ(102, dbm->IncrementSimple("b"));
EXPECT_EQ(0x7FFF000088880066, dbm->IncrementSimple("b", 0x7FFF000088880000));
EXPECT_EQ(std::string("\x7F\xFF\x00\x00\x88\x88\x00\x66", 8), dbm->GetSimple("b"));
EXPECT_EQ(100, dbm->IncrementSimple("ccc", tkrzw::INT64MIN, 100));
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, dbm->Get("ccc"));
}
inline void CommonDBMTest::ProcessEachTest(tkrzw::DBM* dbm) {
constexpr int64_t num_records = 1000;
for (int64_t i = 1; i <= num_records; ++i) {
const std::string& expr = tkrzw::ToString(i * i);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set(expr, expr, false));
}
auto iter1 = dbm->MakeIterator();
EXPECT_EQ(tkrzw::Status::SUCCESS, iter1->First());
for (int64_t i = 1; i <= num_records; i += 4) {
const std::string& expr = tkrzw::ToString(i * i);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Remove(expr));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set(expr, expr, false));
}
auto iter2 = dbm->MakeIterator();
EXPECT_EQ(tkrzw::Status::SUCCESS, iter1->Jump("1"));
class EvenRemoveProc : public tkrzw::DBM::RecordProcessor {
public:
std::string_view ProcessFull(std::string_view key, std::string_view value) override {
full_count_++;
if (tkrzw::StrToInt(key) % 2 == 0) {
return REMOVE;
}
return NOOP;
}
std::string_view ProcessEmpty(std::string_view key) {
empty_count_++;
return NOOP;
}
int32_t GetFullCount() const {
return full_count_;
}
int32_t GetEmptyCount() const {
return empty_count_;
}
private:
int32_t full_count_ = 0;
int32_t empty_count_ = 0;
} remove_proc;
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->ProcessEach(&remove_proc, true));
EXPECT_EQ(num_records, remove_proc.GetFullCount());
EXPECT_EQ(2, remove_proc.GetEmptyCount());
EXPECT_EQ(num_records / 2, dbm->CountSimple());
tkrzw::Status status = iter1->Get();
EXPECT_TRUE(status == tkrzw::Status::SUCCESS || status == tkrzw::Status::NOT_FOUND_ERROR);
status = iter1->Next();
EXPECT_TRUE(status == tkrzw::Status::SUCCESS || status == tkrzw::Status::NOT_FOUND_ERROR);
class IncrementProc : public tkrzw::DBM::RecordProcessor {
public:
std::string_view ProcessFull(std::string_view key, std::string_view value) override {
full_count_++;
value_ = tkrzw::ToString(tkrzw::StrToInt(value) + 1);
return value_;
}
std::string_view ProcessEmpty(std::string_view key) {
empty_count_++;
return NOOP;
}
int32_t GetFullCount() const {
return full_count_;
}
int32_t GetEmptyCount() const {
return empty_count_;
}
private:
std::string value_;
int32_t full_count_ = 0;
int32_t empty_count_ = 0;
} increment_proc;
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->ProcessEach(&increment_proc, true));
EXPECT_EQ(num_records / 2, increment_proc.GetFullCount());
EXPECT_EQ(2, increment_proc.GetEmptyCount());
EXPECT_EQ(num_records / 2, dbm->CountSimple());
status = iter1->Get();
EXPECT_TRUE(status == tkrzw::Status::SUCCESS || status == tkrzw::Status::NOT_FOUND_ERROR);
status = iter1->Next();
EXPECT_TRUE(status == tkrzw::Status::SUCCESS || status == tkrzw::Status::NOT_FOUND_ERROR);
class CheckProc : public tkrzw::DBM::RecordProcessor {
public:
std::string_view ProcessFull(std::string_view key, std::string_view value) override {
full_count_++;
EXPECT_EQ(tkrzw::ToString(tkrzw::StrToInt(key) + 1), value);
return NOOP;
}
std::string_view ProcessEmpty(std::string_view key) {
empty_count_++;
return NOOP;
}
int32_t GetFullCount() const {
return full_count_;
}
int32_t GetEmptyCount() const {
return empty_count_;
}
private:
int32_t full_count_ = 0;
int32_t empty_count_ = 0;
} check_proc;
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->ProcessEach(&check_proc, false));
EXPECT_EQ(num_records / 2, check_proc.GetFullCount());
EXPECT_EQ(2, check_proc.GetEmptyCount());
EXPECT_EQ(num_records / 2, dbm->CountSimple());
status = iter1->Get();
EXPECT_TRUE(status == tkrzw::Status::SUCCESS || status == tkrzw::Status::NOT_FOUND_ERROR);
status = iter1->Next();
EXPECT_TRUE(status == tkrzw::Status::SUCCESS || status == tkrzw::Status::NOT_FOUND_ERROR);
status = iter2->Get();
EXPECT_TRUE(status == tkrzw::Status::SUCCESS || status == tkrzw::Status::NOT_FOUND_ERROR);
status = iter2->Next();
EXPECT_TRUE(status == tkrzw::Status::SUCCESS || status == tkrzw::Status::NOT_FOUND_ERROR);
}
inline void CommonDBMTest::RandomTest(tkrzw::DBM* dbm, int32_t seed) {
constexpr int32_t num_iterations = 10000;
constexpr int32_t num_iterators = 3;
std::vector<std::shared_ptr<tkrzw::DBM::Iterator>> iterators;
for (int32_t i = 0; i < num_iterators; i++) {
iterators.emplace_back(dbm->MakeIterator());
}
std::mt19937 mt(seed);
std::uniform_int_distribution<int32_t> rec_dist(1, num_iterations);
std::uniform_int_distribution<int32_t> op_dist(0, tkrzw::INT32MAX);
std::uniform_int_distribution<int32_t> it_dist(0, iterators.size() - 1);
tkrzw::Status s;
for (int32_t i = 0; i < num_iterations; i++) {
const std::string& key = tkrzw::ToString(rec_dist(mt));
const std::string& value = tkrzw::ToString(i + 1);
if (op_dist(mt) % 4 == 0) {
auto* iterator = iterators[it_dist(mt)].get();
switch (op_dist(mt) % 100) {
case 0: {
s = iterator->First();
EXPECT_TRUE(s == tkrzw::Status::SUCCESS || s == tkrzw::Status::NOT_FOUND_ERROR);
break;
}
case 1: {
s = iterator->Jump(key);
EXPECT_TRUE(s == tkrzw::Status::SUCCESS || s == tkrzw::Status::NOT_FOUND_ERROR);
break;
}
case 2: {
auto new_iterator = dbm->MakeIterator();
if (op_dist(mt) % 2 == 0) {
s = new_iterator->First();
} else {
s = new_iterator->Jump(key);
}
EXPECT_TRUE(s == tkrzw::Status::SUCCESS || s == tkrzw::Status::NOT_FOUND_ERROR);
s = iterator->Get();
EXPECT_TRUE(s == tkrzw::Status::SUCCESS || s == tkrzw::Status::NOT_FOUND_ERROR);
if (op_dist(mt) % 10 == 0) {
s = iterator->Remove();
EXPECT_TRUE(s == tkrzw::Status::SUCCESS || s == tkrzw::Status::NOT_FOUND_ERROR);
}
break;
}
default: {
switch (op_dist(mt) % 4) {
case 0:
s = iterator->Get();
EXPECT_TRUE(s == tkrzw::Status::SUCCESS || s == tkrzw::Status::NOT_FOUND_ERROR);
break;
case 1:
s = iterator->Remove();
EXPECT_TRUE(s == tkrzw::Status::SUCCESS || s == tkrzw::Status::NOT_FOUND_ERROR);
break;
default:
s = iterator->Next();
EXPECT_TRUE(s == tkrzw::Status::SUCCESS || s == tkrzw::Status::NOT_FOUND_ERROR);
break;
}
break;
}
}
} else {
switch (op_dist(mt) % 5) {
case 0:
s = dbm->Get(key);
EXPECT_TRUE(s == tkrzw::Status::SUCCESS || s == tkrzw::Status::NOT_FOUND_ERROR);
break;
case 1:
s = dbm->Remove(key);
EXPECT_TRUE(s == tkrzw::Status::SUCCESS || s == tkrzw::Status::NOT_FOUND_ERROR);
break;
case 3:
s = dbm->Set(key, value, true);
EXPECT_TRUE(s == tkrzw::Status::SUCCESS);
break;
default:
s = dbm->Set(key, value, false);
EXPECT_TRUE(s == tkrzw::Status::SUCCESS || s == tkrzw::Status::DUPLICATION_ERROR);
break;
}
}
}
}
inline void CommonDBMTest::RandomTestThread(tkrzw::DBM* dbm) {
constexpr int32_t num_threads = 5;
std::vector<std::thread> threads;
for (int32_t i = 0; i < num_threads; i++) {
threads.emplace_back(std::thread([&]() { this->RandomTest(dbm, i); }));
}
for (auto& thread : threads) {
thread.join();
}
}
inline void CommonDBMTest::RebuildRandomTest(tkrzw::DBM* dbm) {
constexpr int32_t num_threads = 5;
constexpr int32_t num_iterations = 5000;
auto task = [&](int32_t id, std::unordered_map<std::string, std::string>* map) {
std::mt19937 mt(id);
std::uniform_int_distribution<int32_t> key_dist(1, num_iterations);
std::uniform_int_distribution<int32_t> value_dist(1, 6);
std::uniform_int_distribution<int32_t> op_dist(0, tkrzw::INT32MAX);
for (int32_t i = 0; i < num_iterations; i++) {
int32_t key_num = key_dist(mt);
key_num = key_num - key_num % num_threads + id;
const std::string& key = tkrzw::ToString(key_num);
if (op_dist(mt) % (num_iterations / 2) == 0) {
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Rebuild());
} else if (op_dist(mt) % 10 == 0) {
auto iter = dbm->MakeIterator();
tkrzw::Status status = iter->Jump(key);
EXPECT_TRUE(status == tkrzw::Status::SUCCESS || status == tkrzw::Status::NOT_FOUND_ERROR);
status = iter->Get();
EXPECT_TRUE(status == tkrzw::Status::SUCCESS || status == tkrzw::Status::NOT_FOUND_ERROR);
status = iter->Next();
EXPECT_TRUE(status == tkrzw::Status::SUCCESS || status == tkrzw::Status::NOT_FOUND_ERROR);
} else if (op_dist(mt) % 5 == 0) {
const tkrzw::Status status = dbm->Get(key);
EXPECT_TRUE(status == tkrzw::Status::SUCCESS || status == tkrzw::Status::NOT_FOUND_ERROR);
} else if (op_dist(mt) % 3 == 0) {
const tkrzw::Status status = dbm->Remove(key);
EXPECT_TRUE(status == tkrzw::Status::SUCCESS || status == tkrzw::Status::NOT_FOUND_ERROR);
map->erase(key);
} else {
const int32_t value_size = value_dist(mt) * value_dist(mt);
const std::string value(value_size, 'x');
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set(key, value));
(*map)[key] = value;
}
}
};
std::vector<std::thread> threads;
std::vector<std::unordered_map<std::string, std::string>> maps(num_threads);
for (int32_t i = 0; i < num_threads; i++) {
threads.emplace_back(std::thread(task, i, &maps[i]));
}
for (auto& thread : threads) {
thread.join();
}
int32_t num_records = 0;
for (const auto& map :maps) {
num_records += map.size();
for (const auto& rec : map) {
EXPECT_EQ(rec.second, dbm->GetSimple(rec.first));
}
}
EXPECT_EQ(num_records, dbm->CountSimple());
}
inline void CommonDBMTest::RecordMigrationTest(tkrzw::DBM* dbm, tkrzw::File* file) {
constexpr int32_t num_records = 100;
for (int32_t i = 1; i <= num_records; i++) {
const std::string key = tkrzw::SPrintF("%08d\t%08d", i, i);
const std::string value = tkrzw::StrCat((i * i), "\n", (i * i));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set(key, value));
}
EXPECT_EQ(num_records, dbm->CountSimple());
std::vector<std::string> back_keys;
EXPECT_EQ(tkrzw::Status::SUCCESS, tkrzw::SearchDBM(
dbm, "0", &back_keys, 0, tkrzw::StrEndsWith));
EXPECT_EQ(10, back_keys.size());
std::vector<std::string> forward_keys;
EXPECT_EQ(tkrzw::Status::SUCCESS, tkrzw::SearchDBMForwardMatch(dbm, "0000001", &forward_keys));
EXPECT_EQ(10, forward_keys.size());
std::vector<std::string> regex_keys;
EXPECT_EQ(tkrzw::Status::INVALID_ARGUMENT_ERROR, tkrzw::SearchDBMRegex(dbm, "[", ®ex_keys));
EXPECT_EQ(tkrzw::Status::SUCCESS, SearchDBMRegex(dbm, "\\d+0\\s+\\d+", ®ex_keys));
EXPECT_EQ(10, regex_keys.size());
EXPECT_EQ(tkrzw::Status::SUCCESS, SearchDBMRegex(dbm, "\\d+0\\s+\\d+", ®ex_keys, 0, true));
EXPECT_EQ(10, regex_keys.size());
std::vector<std::string> similar_keys;
EXPECT_EQ(tkrzw::Status::SUCCESS, SearchDBMEditDistance(
dbm, "00000100 00000100", &similar_keys, 1));
EXPECT_THAT(similar_keys, UnorderedElementsAre("00000100\t00000100"));
EXPECT_EQ(tkrzw::Status::SUCCESS, SearchDBMEditDistance(
dbm, "00000100 00000100", &similar_keys, 1, true));
EXPECT_THAT(similar_keys, UnorderedElementsAre("00000100\t00000100"));
EXPECT_EQ(tkrzw::Status::SUCCESS, tkrzw::ExportDBMRecordsToFlatRecords(dbm, file));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Clear());
EXPECT_EQ(0, dbm->CountSimple());
EXPECT_EQ(tkrzw::Status::SUCCESS, tkrzw::ImportDBMRecordsFromFlatRecords(dbm, file));
for (int32_t i = 1; i <= num_records; i++) {
const std::string key = tkrzw::SPrintF("%08d\t%08d", i, i);
const std::string value = tkrzw::StrCat((i * i), "\n", (i * i));
EXPECT_EQ(value, dbm->GetSimple(key));
}
EXPECT_EQ(num_records, dbm->CountSimple());
EXPECT_EQ(tkrzw::Status::SUCCESS, tkrzw::ExportDBMRecordsToTSV(dbm, file, true));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Clear());
EXPECT_EQ(0, dbm->CountSimple());
EXPECT_EQ(tkrzw::Status::SUCCESS, tkrzw::ImportDBMRecordsFromTSV(dbm, file, true));
for (int32_t i = 1; i <= num_records; i++) {
const std::string key = tkrzw::SPrintF("%08d\t%08d", i, i);
const std::string value = tkrzw::StrCat((i * i), "\n", (i * i));
EXPECT_EQ(value, dbm->GetSimple(key));
}
EXPECT_EQ(num_records, dbm->CountSimple());
EXPECT_EQ(tkrzw::Status::SUCCESS, tkrzw::ExportDBMRecordsToTSV(dbm, file));
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Clear());
EXPECT_EQ(0, dbm->CountSimple());
EXPECT_EQ(tkrzw::Status::SUCCESS, tkrzw::ImportDBMRecordsFromTSV(dbm, file));
std::vector<std::string> keys;
for (int32_t i = 1; i <= num_records; i++) {
const std::string key = tkrzw::SPrintF("%08d %08d", i, i);
const std::string value = tkrzw::StrCat((i * i), " ", (i * i));
EXPECT_EQ(value, dbm->GetSimple(key));
keys.emplace_back(key);
}
EXPECT_EQ(num_records, dbm->CountSimple());
EXPECT_EQ(tkrzw::Status::SUCCESS, tkrzw::ExportDBMKeysToFlatRecords(dbm, file));
tkrzw::FlatRecordReader flat_reader(file);
std::vector<std::string> flat_keys;
std::string_view rec;
while (flat_reader.Read(&rec) == tkrzw::Status::SUCCESS) {
flat_keys.emplace_back(rec);
}
EXPECT_THAT(flat_keys, UnorderedElementsAreArray(keys));
EXPECT_EQ(tkrzw::Status::SUCCESS, tkrzw::ExportDBMKeysAsLines(dbm, file));
tkrzw::FileReader file_reader(file);
std::vector<std::string> text_keys;
std::string line;
while (file_reader.ReadLine(&line) == tkrzw::Status::SUCCESS) {
std::string_view key(
line.data(), line.empty() || line.back() != '\n' ? line.size() : line.size() - 1);
text_keys.emplace_back(key);
}
EXPECT_THAT(text_keys, UnorderedElementsAreArray(keys));
std::vector<std::string> text_middle_keys;
EXPECT_EQ(tkrzw::Status::SUCCESS, SearchTextFile(file, "0 0", &text_middle_keys));
EXPECT_EQ(10, text_middle_keys.size());
std::vector<std::string> text_regex_keys;
EXPECT_EQ(tkrzw::Status::INVALID_ARGUMENT_ERROR,
SearchTextFileRegex(file, "[", &text_regex_keys));
EXPECT_EQ(tkrzw::Status::SUCCESS, SearchTextFileRegex(file, "\\d+0 +0\\d+", &text_regex_keys));
EXPECT_EQ(10, text_regex_keys.size());
EXPECT_EQ(tkrzw::Status::SUCCESS, SearchTextFileRegex(
file, "\\d+0 +0\\d+", &text_regex_keys, 0, true));
EXPECT_EQ(10, text_regex_keys.size());
std::vector<std::string> text_similar_keys;
EXPECT_EQ(tkrzw::Status::SUCCESS, SearchTextFileEditDistance(
file, "00000100 00000100", &text_similar_keys, 1));
EXPECT_THAT(text_similar_keys, UnorderedElementsAre("00000100 00000100"));
EXPECT_EQ(tkrzw::Status::SUCCESS, SearchTextFileEditDistance(
file, "00000100 00000100", &text_similar_keys, 1, true));
EXPECT_THAT(text_similar_keys, UnorderedElementsAre("00000100 00000100"));
}
inline void CommonDBMTest::BackIteratorTest(tkrzw::DBM* dbm) {
for (int32_t i = 1; i <= 300; i++) {
const std::string key = tkrzw::ToString(i * i);
const std::string value = tkrzw::ToString(i);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set(key, value));
}
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Synchronize(false));
for (int32_t i = 1; i <= 100; i++) {
const std::string key = tkrzw::ToString(i * i);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Remove(key));
}
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Synchronize(false));
for (int32_t i = 201; i <= 300; i++) {
const std::string key = tkrzw::ToString(i * i);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Remove(key));
}
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Synchronize(false));
for (int32_t i = 1; i <= 100; i++) {
const std::string key = tkrzw::ToString(i * i);
const std::string value = tkrzw::ToString(i);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Set(key, value));
}
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Synchronize(false));
for (int32_t i = 101; i <= 200; i++) {
const std::string key = tkrzw::ToString(i * i);
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Remove(key));
}
EXPECT_EQ(tkrzw::Status::SUCCESS, dbm->Synchronize(false));
EXPECT_EQ(100, dbm->CountSimple());
auto iter = dbm->MakeIterator();
std::vector<std::pair<std::string, std::string>> forward_records;
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->First());
while (true) {
std::string key, value;
const tkrzw::Status status = iter->Get(&key, &value);
if (status != tkrzw::Status::SUCCESS) {
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, status);
break;
}
forward_records.emplace_back(std::make_pair(key, value));
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->Next());
}
std::vector<std::pair<std::string, std::string>> backward_records;
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->Last());
while (true) {
std::string key, value;
const tkrzw::Status status = iter->Get(&key, &value);
if (status != tkrzw::Status::SUCCESS) {
EXPECT_EQ(tkrzw::Status::NOT_FOUND_ERROR, status);
break;
}
backward_records.emplace_back(std::make_pair(key, value));
EXPECT_EQ(tkrzw::Status::SUCCESS, iter->Previous());
}