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proto_database_impl_unittest.cc
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proto_database_impl_unittest.cc
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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/leveldb_proto/proto_database_impl.h"
#include <stddef.h>
#include <map>
#include <memory>
#include <utility>
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/files/file_util.h"
#include "base/files/scoped_temp_dir.h"
#include "base/location.h"
#include "base/memory/ptr_util.h"
#include "base/message_loop/message_loop.h"
#include "base/run_loop.h"
#include "base/threading/thread.h"
#include "components/leveldb_proto/leveldb_database.h"
#include "components/leveldb_proto/testing/proto/test.pb.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/leveldatabase/env_chromium.h"
#include "third_party/leveldatabase/leveldb_chrome.h"
using base::MessageLoop;
using base::ScopedTempDir;
using leveldb_env::Options;
using testing::Invoke;
using testing::MakeMatcher;
using testing::MatchResultListener;
using testing::Matcher;
using testing::MatcherInterface;
using testing::Return;
using testing::UnorderedElementsAre;
using testing::_;
namespace leveldb_proto {
namespace {
typedef std::map<std::string, TestProto> EntryMap;
const char kTestLevelDBClientName[] = "Test";
class MockDB : public LevelDB {
public:
MOCK_METHOD2(Init,
bool(const base::FilePath& database_dir,
const leveldb_env::Options& options));
MOCK_METHOD2(Save, bool(const KeyValueVector&, const KeyVector&));
MOCK_METHOD1(Load, bool(std::vector<std::string>*));
MOCK_METHOD3(Get, bool(const std::string&, bool*, std::string*));
MOCK_METHOD0(Destroy, bool());
MockDB() : LevelDB(kTestLevelDBClientName) {}
};
class MockDatabaseCaller {
public:
MOCK_METHOD1(InitCallback, void(bool));
MOCK_METHOD1(DestroyCallback, void(bool));
MOCK_METHOD1(SaveCallback, void(bool));
void LoadCallback(bool success,
std::unique_ptr<std::vector<TestProto>> entries) {
LoadCallback1(success, entries.get());
}
MOCK_METHOD2(LoadCallback1, void(bool, std::vector<TestProto>*));
void GetCallback(bool success, std::unique_ptr<TestProto> entry) {
GetCallback1(success, entry.get());
}
MOCK_METHOD2(GetCallback1, void(bool, TestProto*));
};
class OptionsEqMatcher : public MatcherInterface<const Options&> {
public:
explicit OptionsEqMatcher(const Options& expected) : expected_(expected) {}
bool MatchAndExplain(const Options& actual,
MatchResultListener* listener) const override {
return actual.comparator == expected_.comparator &&
actual.create_if_missing == expected_.create_if_missing &&
actual.error_if_exists == expected_.error_if_exists &&
actual.paranoid_checks == expected_.paranoid_checks &&
actual.env == expected_.env &&
actual.info_log == expected_.info_log &&
actual.write_buffer_size == expected_.write_buffer_size &&
actual.max_open_files == expected_.max_open_files &&
actual.block_cache == expected_.block_cache &&
actual.block_size == expected_.block_size &&
actual.block_restart_interval == expected_.block_restart_interval &&
actual.max_file_size == expected_.max_file_size &&
actual.compression == expected_.compression &&
actual.reuse_logs == expected_.reuse_logs &&
actual.filter_policy == expected_.filter_policy;
}
void DescribeTo(::std::ostream* os) const override {
*os << "which matches the expected position";
}
void DescribeNegationTo(::std::ostream* os) const override {
*os << "which does not match the expected position";
}
private:
Options expected_;
DISALLOW_COPY_AND_ASSIGN(OptionsEqMatcher);
};
Matcher<const Options&> OptionsEq(const Options& expected) {
return MakeMatcher(new OptionsEqMatcher(expected));
}
} // namespace
EntryMap GetSmallModel() {
EntryMap model;
model["0"].set_id("0");
model["0"].set_data("http://foo.com/1");
model["1"].set_id("1");
model["1"].set_data("http://bar.com/all");
model["2"].set_id("2");
model["2"].set_data("http://baz.com/1");
return model;
}
void ExpectEntryPointersEquals(EntryMap expected,
const std::vector<TestProto>& actual) {
EXPECT_EQ(expected.size(), actual.size());
for (size_t i = 0; i < actual.size(); i++) {
EntryMap::iterator expected_it = expected.find(actual[i].id());
EXPECT_TRUE(expected_it != expected.end());
std::string serialized_expected = expected_it->second.SerializeAsString();
std::string serialized_actual = actual[i].SerializeAsString();
EXPECT_EQ(serialized_expected, serialized_actual);
expected.erase(expected_it);
}
}
class ProtoDatabaseImplTest : public testing::Test {
public:
ProtoDatabaseImplTest()
: options_(MakeMatcher(new OptionsEqMatcher(CreateSimpleOptions()))) {}
void SetUp() override {
main_loop_.reset(new MessageLoop());
db_.reset(new ProtoDatabaseImpl<TestProto>(main_loop_->task_runner()));
}
void TearDown() override {
db_.reset();
base::RunLoop().RunUntilIdle();
main_loop_.reset();
}
const Matcher<const Options&> options_;
std::unique_ptr<ProtoDatabaseImpl<TestProto>> db_;
std::unique_ptr<MessageLoop> main_loop_;
};
// Test that ProtoDatabaseImpl calls Init on the underlying database and that
// the caller's InitCallback is called with the correct value.
TEST_F(ProtoDatabaseImplTest, TestDBInitSuccess) {
base::FilePath path(FILE_PATH_LITERAL("/fake/path"));
MockDB* mock_db = new MockDB();
EXPECT_CALL(*mock_db, Init(path, options_)).WillOnce(Return(true));
MockDatabaseCaller caller;
EXPECT_CALL(caller, InitCallback(true));
db_->InitWithDatabase(
base::WrapUnique(mock_db), path, CreateSimpleOptions(),
base::Bind(&MockDatabaseCaller::InitCallback, base::Unretained(&caller)));
base::RunLoop().RunUntilIdle();
}
TEST_F(ProtoDatabaseImplTest, TestDBInitFailure) {
base::FilePath path(FILE_PATH_LITERAL("/fake/path"));
MockDB* mock_db = new MockDB();
Options options;
options.create_if_missing = true;
EXPECT_CALL(*mock_db, Init(path, OptionsEq(options))).WillOnce(Return(false));
MockDatabaseCaller caller;
EXPECT_CALL(caller, InitCallback(false));
db_->InitWithDatabase(
base::WrapUnique(mock_db), path, options,
base::Bind(&MockDatabaseCaller::InitCallback, base::Unretained(&caller)));
base::RunLoop().RunUntilIdle();
}
TEST_F(ProtoDatabaseImplTest, TestDBDestroySuccess) {
base::FilePath path(FILE_PATH_LITERAL("/fake/path"));
MockDB* mock_db = new MockDB();
EXPECT_CALL(*mock_db, Init(path, options_)).WillOnce(Return(true));
MockDatabaseCaller caller;
EXPECT_CALL(caller, InitCallback(true));
db_->InitWithDatabase(
base::WrapUnique(mock_db), path, CreateSimpleOptions(),
base::Bind(&MockDatabaseCaller::InitCallback, base::Unretained(&caller)));
EXPECT_CALL(caller, DestroyCallback(true));
db_->Destroy(base::Bind(&MockDatabaseCaller::DestroyCallback,
base::Unretained(&caller)));
EXPECT_CALL(*mock_db, Destroy()).WillOnce(Return(true));
base::RunLoop().RunUntilIdle();
}
TEST_F(ProtoDatabaseImplTest, TestDBDestroyFailure) {
base::FilePath path(FILE_PATH_LITERAL("/fake/path"));
MockDB* mock_db = new MockDB();
EXPECT_CALL(*mock_db, Init(path, options_)).WillOnce(Return(true));
MockDatabaseCaller caller;
EXPECT_CALL(caller, InitCallback(true));
db_->InitWithDatabase(
base::WrapUnique(mock_db), path, CreateSimpleOptions(),
base::Bind(&MockDatabaseCaller::InitCallback, base::Unretained(&caller)));
EXPECT_CALL(caller, DestroyCallback(false));
db_->Destroy(base::Bind(&MockDatabaseCaller::DestroyCallback,
base::Unretained(&caller)));
EXPECT_CALL(*mock_db, Destroy()).WillOnce(Return(false));
base::RunLoop().RunUntilIdle();
}
ACTION_P(AppendLoadEntries, model) {
std::vector<std::string>* output = arg0;
for (const auto& pair : model)
output->push_back(pair.second.SerializeAsString());
return true;
}
ACTION_P(VerifyLoadEntries, expected) {
std::vector<TestProto>* actual = arg1;
ExpectEntryPointersEquals(expected, *actual);
}
// Test that ProtoDatabaseImpl calls Load on the underlying database and that
// the caller's LoadCallback is called with the correct success value. Also
// confirms that on success, the expected entries are passed to the caller's
// LoadCallback.
TEST_F(ProtoDatabaseImplTest, TestDBLoadSuccess) {
base::FilePath path(FILE_PATH_LITERAL("/fake/path"));
MockDB* mock_db = new MockDB();
MockDatabaseCaller caller;
EntryMap model = GetSmallModel();
EXPECT_CALL(*mock_db, Init(_, options_));
EXPECT_CALL(caller, InitCallback(_));
db_->InitWithDatabase(
base::WrapUnique(mock_db), path, CreateSimpleOptions(),
base::Bind(&MockDatabaseCaller::InitCallback, base::Unretained(&caller)));
EXPECT_CALL(*mock_db, Load(_)).WillOnce(AppendLoadEntries(model));
EXPECT_CALL(caller, LoadCallback1(true, _))
.WillOnce(VerifyLoadEntries(testing::ByRef(model)));
db_->LoadEntries(
base::Bind(&MockDatabaseCaller::LoadCallback, base::Unretained(&caller)));
base::RunLoop().RunUntilIdle();
}
TEST_F(ProtoDatabaseImplTest, TestDBLoadFailure) {
base::FilePath path(FILE_PATH_LITERAL("/fake/path"));
MockDB* mock_db = new MockDB();
MockDatabaseCaller caller;
EXPECT_CALL(*mock_db, Init(_, options_));
EXPECT_CALL(caller, InitCallback(_));
db_->InitWithDatabase(
base::WrapUnique(mock_db), path, CreateSimpleOptions(),
base::Bind(&MockDatabaseCaller::InitCallback, base::Unretained(&caller)));
EXPECT_CALL(*mock_db, Load(_)).WillOnce(Return(false));
EXPECT_CALL(caller, LoadCallback1(false, _));
db_->LoadEntries(
base::Bind(&MockDatabaseCaller::LoadCallback, base::Unretained(&caller)));
base::RunLoop().RunUntilIdle();
}
ACTION_P(SetGetEntry, model) {
const std::string& key = arg0;
bool* found = arg1;
std::string* output = arg2;
auto it = model.find(key);
if (it == model.end()) {
*found = false;
} else {
*found = true;
*output = it->second.SerializeAsString();
}
return true;
}
ACTION_P(VerifyGetEntry, expected) {
TestProto* actual = arg1;
EXPECT_EQ(expected.SerializeAsString(), actual->SerializeAsString());
}
TEST_F(ProtoDatabaseImplTest, TestDBGetSuccess) {
base::FilePath path(FILE_PATH_LITERAL("/fake/path"));
MockDB* mock_db = new MockDB();
MockDatabaseCaller caller;
EntryMap model = GetSmallModel();
EXPECT_CALL(*mock_db, Init(_, options_));
EXPECT_CALL(caller, InitCallback(_));
db_->InitWithDatabase(
base::WrapUnique(mock_db), path, CreateSimpleOptions(),
base::Bind(&MockDatabaseCaller::InitCallback, base::Unretained(&caller)));
std::string key("1");
ASSERT_TRUE(model.count(key));
EXPECT_CALL(*mock_db, Get(key, _, _)).WillOnce(SetGetEntry(model));
EXPECT_CALL(caller, GetCallback1(true, _))
.WillOnce(VerifyGetEntry(model[key]));
db_->GetEntry(key, base::Bind(&MockDatabaseCaller::GetCallback,
base::Unretained(&caller)));
base::RunLoop().RunUntilIdle();
}
class ProtoDatabaseImplLevelDBTest : public testing::Test {
public:
void SetUp() override { main_loop_.reset(new MessageLoop()); }
void TearDown() override {
base::RunLoop().RunUntilIdle();
main_loop_.reset();
}
private:
std::unique_ptr<MessageLoop> main_loop_;
};
TEST_F(ProtoDatabaseImplLevelDBTest, TestDBSaveAndLoadKeys) {
ScopedTempDir temp_dir;
ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
base::Thread db_thread("dbthread");
ASSERT_TRUE(db_thread.Start());
std::unique_ptr<ProtoDatabaseImpl<TestProto>> db(
new ProtoDatabaseImpl<TestProto>(db_thread.task_runner()));
auto expect_init_success =
base::Bind([](bool success) { EXPECT_TRUE(success); });
db->Init(kTestLevelDBClientName, temp_dir.GetPath(), CreateSimpleOptions(),
expect_init_success);
base::RunLoop run_update_entries;
auto expect_update_success = base::Bind(
[](base::Closure signal, bool success) {
EXPECT_TRUE(success);
signal.Run();
},
run_update_entries.QuitClosure());
TestProto test_proto;
test_proto.set_data("some data");
ProtoDatabase<TestProto>::KeyEntryVector data_set(
{{"0", test_proto}, {"1", test_proto}, {"2", test_proto}});
db->UpdateEntries(
std::make_unique<ProtoDatabase<TestProto>::KeyEntryVector>(data_set),
std::make_unique<std::vector<std::string>>(), expect_update_success);
run_update_entries.Run();
base::RunLoop run_load_keys;
auto verify_loaded_keys = base::Bind(
[](base::Closure signal, bool success,
std::unique_ptr<std::vector<std::string>> keys) {
EXPECT_TRUE(success);
EXPECT_THAT(*keys, UnorderedElementsAre("0", "1", "2"));
signal.Run();
},
run_load_keys.QuitClosure());
db->LoadKeys(verify_loaded_keys);
run_load_keys.Run();
// Shutdown database.
db.reset();
base::RunLoop run_destruction;
db_thread.task_runner()->PostTaskAndReply(FROM_HERE, base::DoNothing(),
run_destruction.QuitClosure());
run_destruction.Run();
}
TEST_F(ProtoDatabaseImplTest, TestDBGetNotFound) {
base::FilePath path(FILE_PATH_LITERAL("/fake/path"));
MockDB* mock_db = new MockDB();
MockDatabaseCaller caller;
EntryMap model = GetSmallModel();
EXPECT_CALL(*mock_db, Init(_, options_));
EXPECT_CALL(caller, InitCallback(_));
db_->InitWithDatabase(
base::WrapUnique(mock_db), path, CreateSimpleOptions(),
base::Bind(&MockDatabaseCaller::InitCallback, base::Unretained(&caller)));
std::string key("does_not_exist");
ASSERT_FALSE(model.count(key));
EXPECT_CALL(*mock_db, Get(key, _, _)).WillOnce(SetGetEntry(model));
EXPECT_CALL(caller, GetCallback1(true, nullptr));
db_->GetEntry(key, base::Bind(&MockDatabaseCaller::GetCallback,
base::Unretained(&caller)));
base::RunLoop().RunUntilIdle();
}
TEST_F(ProtoDatabaseImplTest, TestDBGetFailure) {
base::FilePath path(FILE_PATH_LITERAL("/fake/path"));
MockDB* mock_db = new MockDB();
MockDatabaseCaller caller;
EntryMap model = GetSmallModel();
EXPECT_CALL(*mock_db, Init(_, options_));
EXPECT_CALL(caller, InitCallback(_));
db_->InitWithDatabase(
base::WrapUnique(mock_db), path, CreateSimpleOptions(),
base::Bind(&MockDatabaseCaller::InitCallback, base::Unretained(&caller)));
std::string key("does_not_exist");
ASSERT_FALSE(model.count(key));
EXPECT_CALL(*mock_db, Get(key, _, _)).WillOnce(Return(false));
EXPECT_CALL(caller, GetCallback1(false, nullptr));
db_->GetEntry(key, base::Bind(&MockDatabaseCaller::GetCallback,
base::Unretained(&caller)));
base::RunLoop().RunUntilIdle();
}
ACTION_P(VerifyUpdateEntries, expected) {
const KeyValueVector actual = arg0;
// Create a vector of TestProto from |actual| to reuse the comparison
// function.
std::vector<TestProto> extracted_entries;
for (const auto& pair : actual) {
TestProto entry;
if (!entry.ParseFromString(pair.second)) {
ADD_FAILURE() << "Unable to deserialize the protobuf";
return false;
}
extracted_entries.push_back(entry);
}
ExpectEntryPointersEquals(expected, extracted_entries);
return true;
}
// Test that ProtoDatabaseImpl calls Save on the underlying database with the
// correct entries to save and that the caller's SaveCallback is called with the
// correct success value.
TEST_F(ProtoDatabaseImplTest, TestDBSaveSuccess) {
base::FilePath path(FILE_PATH_LITERAL("/fake/path"));
MockDB* mock_db = new MockDB();
MockDatabaseCaller caller;
EntryMap model = GetSmallModel();
EXPECT_CALL(*mock_db, Init(_, options_));
EXPECT_CALL(caller, InitCallback(_));
db_->InitWithDatabase(
base::WrapUnique(mock_db), path, CreateSimpleOptions(),
base::Bind(&MockDatabaseCaller::InitCallback, base::Unretained(&caller)));
std::unique_ptr<ProtoDatabase<TestProto>::KeyEntryVector> entries(
new ProtoDatabase<TestProto>::KeyEntryVector());
for (const auto& pair : model)
entries->push_back(std::make_pair(pair.second.id(), pair.second));
std::unique_ptr<KeyVector> keys_to_remove(new KeyVector());
EXPECT_CALL(*mock_db, Save(_, _)).WillOnce(VerifyUpdateEntries(model));
EXPECT_CALL(caller, SaveCallback(true));
db_->UpdateEntries(
std::move(entries), std::move(keys_to_remove),
base::Bind(&MockDatabaseCaller::SaveCallback, base::Unretained(&caller)));
base::RunLoop().RunUntilIdle();
}
TEST_F(ProtoDatabaseImplTest, TestDBSaveFailure) {
base::FilePath path(FILE_PATH_LITERAL("/fake/path"));
MockDB* mock_db = new MockDB();
MockDatabaseCaller caller;
std::unique_ptr<ProtoDatabase<TestProto>::KeyEntryVector> entries(
new ProtoDatabase<TestProto>::KeyEntryVector());
std::unique_ptr<KeyVector> keys_to_remove(new KeyVector());
EXPECT_CALL(*mock_db, Init(_, options_));
EXPECT_CALL(caller, InitCallback(_));
db_->InitWithDatabase(
base::WrapUnique(mock_db), path, CreateSimpleOptions(),
base::Bind(&MockDatabaseCaller::InitCallback, base::Unretained(&caller)));
EXPECT_CALL(*mock_db, Save(_, _)).WillOnce(Return(false));
EXPECT_CALL(caller, SaveCallback(false));
db_->UpdateEntries(
std::move(entries), std::move(keys_to_remove),
base::Bind(&MockDatabaseCaller::SaveCallback, base::Unretained(&caller)));
base::RunLoop().RunUntilIdle();
}
// Test that ProtoDatabaseImpl calls Save on the underlying database with the
// correct entries to delete and that the caller's SaveCallback is called with
// the correct success value.
TEST_F(ProtoDatabaseImplTest, TestDBRemoveSuccess) {
base::FilePath path(FILE_PATH_LITERAL("/fake/path"));
MockDB* mock_db = new MockDB();
MockDatabaseCaller caller;
EntryMap model = GetSmallModel();
EXPECT_CALL(*mock_db, Init(_, options_));
EXPECT_CALL(caller, InitCallback(_));
db_->InitWithDatabase(
base::WrapUnique(mock_db), path, CreateSimpleOptions(),
base::Bind(&MockDatabaseCaller::InitCallback, base::Unretained(&caller)));
std::unique_ptr<ProtoDatabase<TestProto>::KeyEntryVector> entries(
new ProtoDatabase<TestProto>::KeyEntryVector());
std::unique_ptr<KeyVector> keys_to_remove(new KeyVector());
for (const auto& pair : model)
keys_to_remove->push_back(pair.second.id());
KeyVector keys_copy(*keys_to_remove.get());
EXPECT_CALL(*mock_db, Save(_, keys_copy)).WillOnce(Return(true));
EXPECT_CALL(caller, SaveCallback(true));
db_->UpdateEntries(
std::move(entries), std::move(keys_to_remove),
base::Bind(&MockDatabaseCaller::SaveCallback, base::Unretained(&caller)));
base::RunLoop().RunUntilIdle();
}
TEST_F(ProtoDatabaseImplTest, TestDBRemoveFailure) {
base::FilePath path(FILE_PATH_LITERAL("/fake/path"));
MockDB* mock_db = new MockDB();
MockDatabaseCaller caller;
std::unique_ptr<ProtoDatabase<TestProto>::KeyEntryVector> entries(
new ProtoDatabase<TestProto>::KeyEntryVector());
std::unique_ptr<KeyVector> keys_to_remove(new KeyVector());
EXPECT_CALL(*mock_db, Init(_, options_));
EXPECT_CALL(caller, InitCallback(_));
db_->InitWithDatabase(
base::WrapUnique(mock_db), path, CreateSimpleOptions(),
base::Bind(&MockDatabaseCaller::InitCallback, base::Unretained(&caller)));
EXPECT_CALL(*mock_db, Save(_, _)).WillOnce(Return(false));
EXPECT_CALL(caller, SaveCallback(false));
db_->UpdateEntries(
std::move(entries), std::move(keys_to_remove),
base::Bind(&MockDatabaseCaller::SaveCallback, base::Unretained(&caller)));
base::RunLoop().RunUntilIdle();
}
// This tests that normal usage of the real database does not cause any
// threading violations.
TEST(ProtoDatabaseImplThreadingTest, TestDBDestruction) {
base::MessageLoop main_loop;
ScopedTempDir temp_dir;
ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
base::Thread db_thread("dbthread");
ASSERT_TRUE(db_thread.Start());
std::unique_ptr<ProtoDatabaseImpl<TestProto>> db(
new ProtoDatabaseImpl<TestProto>(db_thread.task_runner()));
MockDatabaseCaller caller;
EXPECT_CALL(caller, InitCallback(_));
db->Init(
kTestLevelDBClientName, temp_dir.GetPath(), CreateSimpleOptions(),
base::Bind(&MockDatabaseCaller::InitCallback, base::Unretained(&caller)));
db.reset();
base::RunLoop run_loop;
db_thread.task_runner()->PostTaskAndReply(FROM_HERE, base::DoNothing(),
run_loop.QuitClosure());
run_loop.Run();
}
// This tests that normal usage of the real database does not cause any
// threading violations.
TEST(ProtoDatabaseImplThreadingTest, TestDBDestroy) {
base::MessageLoop main_loop;
ScopedTempDir temp_dir;
ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
base::Thread db_thread("dbthread");
ASSERT_TRUE(db_thread.Start());
std::unique_ptr<ProtoDatabaseImpl<TestProto>> db(
new ProtoDatabaseImpl<TestProto>(db_thread.task_runner()));
MockDatabaseCaller caller;
EXPECT_CALL(caller, InitCallback(_));
db->Init(
kTestLevelDBClientName, temp_dir.GetPath(), CreateSimpleOptions(),
base::Bind(&MockDatabaseCaller::InitCallback, base::Unretained(&caller)));
EXPECT_CALL(caller, DestroyCallback(_));
db->Destroy(base::Bind(&MockDatabaseCaller::DestroyCallback,
base::Unretained(&caller)));
db.reset();
base::RunLoop run_loop;
db_thread.task_runner()->PostTaskAndReply(FROM_HERE, base::DoNothing(),
run_loop.QuitClosure());
run_loop.Run();
// Verify the db is actually destroyed.
EXPECT_FALSE(base::PathExists(temp_dir.GetPath()));
}
// Test that the LevelDB properly saves entries and that load returns the saved
// entries. If |close_after_save| is true, the database will be closed after
// saving and then re-opened to ensure that the data is properly persisted.
void TestLevelDBSaveAndLoad(bool close_after_save) {
ScopedTempDir temp_dir;
ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
EntryMap model = GetSmallModel();
KeyValueVector save_entries;
std::vector<std::string> load_entries;
KeyVector remove_keys;
for (const auto& pair : model) {
save_entries.push_back(
std::make_pair(pair.second.id(), pair.second.SerializeAsString()));
}
std::unique_ptr<LevelDB> db(new LevelDB(kTestLevelDBClientName));
EXPECT_TRUE(db->Init(temp_dir.GetPath(), CreateSimpleOptions()));
EXPECT_TRUE(db->Save(save_entries, remove_keys));
if (close_after_save) {
db.reset(new LevelDB(kTestLevelDBClientName));
EXPECT_TRUE(db->Init(temp_dir.GetPath(), CreateSimpleOptions()));
}
EXPECT_TRUE(db->Load(&load_entries));
// Convert the strings back to TestProto.
std::vector<TestProto> loaded_protos;
for (const auto& serialized_entry : load_entries) {
TestProto entry;
ASSERT_TRUE(entry.ParseFromString(serialized_entry));
loaded_protos.push_back(entry);
}
ExpectEntryPointersEquals(model, loaded_protos);
}
TEST_F(ProtoDatabaseImplLevelDBTest, TestDBSaveAndLoad) {
TestLevelDBSaveAndLoad(false);
}
TEST_F(ProtoDatabaseImplLevelDBTest, TestDBCloseAndReopen) {
TestLevelDBSaveAndLoad(true);
}
TEST_F(ProtoDatabaseImplLevelDBTest, TestDBInitFail) {
ScopedTempDir temp_dir;
ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
Options options;
options.create_if_missing = false;
std::unique_ptr<LevelDB> db(new LevelDB(kTestLevelDBClientName));
KeyValueVector save_entries;
std::vector<std::string> load_entries;
KeyVector remove_keys;
EXPECT_FALSE(db->Init(temp_dir.GetPath(), options));
EXPECT_FALSE(db->Load(&load_entries));
EXPECT_FALSE(db->Save(save_entries, remove_keys));
}
TEST_F(ProtoDatabaseImplLevelDBTest, TestMemoryDatabase) {
std::unique_ptr<LevelDB> db(new LevelDB(kTestLevelDBClientName));
std::vector<std::string> load_entries;
ASSERT_TRUE(db->Init(base::FilePath(), CreateSimpleOptions()));
ASSERT_TRUE(db->Load(&load_entries));
EXPECT_EQ(0u, load_entries.size());
KeyValueVector save_entries(1, std::make_pair("foo", "bar"));
KeyVector remove_keys;
ASSERT_TRUE(db->Save(save_entries, remove_keys));
std::vector<std::string> second_load_entries;
ASSERT_TRUE(db->Load(&second_load_entries));
EXPECT_EQ(1u, second_load_entries.size());
}
TEST_F(ProtoDatabaseImplLevelDBTest, TestCorruptDBReset) {
ScopedTempDir temp_dir;
ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
// Create a database, write some data, and then close the db.
{
LevelDB db(kTestLevelDBClientName);
ASSERT_TRUE(db.Init(temp_dir.GetPath(), CreateSimpleOptions()));
base::StringPairs pairs_to_save;
pairs_to_save.push_back(std::make_pair("TheKey", "KeyValue"));
std::vector<std::string> keys_to_remove;
ASSERT_TRUE(db.Save(pairs_to_save, keys_to_remove));
}
EXPECT_TRUE(leveldb_chrome::CorruptClosedDBForTesting(temp_dir.GetPath()));
// Open the corrupt database which should succeed, but will destroy the
// existing corrupt database.
LevelDB db(kTestLevelDBClientName);
leveldb_env::Options options = CreateSimpleOptions();
options.paranoid_checks = true;
ASSERT_TRUE(db.Init(temp_dir.GetPath(), options));
bool found = false;
std::string value;
ASSERT_TRUE(db.Get("TheKey", &found, &value));
ASSERT_EQ("", value);
ASSERT_FALSE(found);
}
} // namespace leveldb_proto