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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/notifications/scheduler/internal/impression_store.h"
#include <map>
#include <memory>
#include <string>
#include <utility>
#include "base/memory/raw_ptr.h"
#include "base/test/task_environment.h"
#include "chrome/browser/notifications/proto/client_state.pb.h"
#include "chrome/browser/notifications/scheduler/internal/impression_types.h"
#include "chrome/browser/notifications/scheduler/internal/proto_conversion.h"
#include "components/leveldb_proto/public/proto_database.h"
#include "components/leveldb_proto/testing/fake_db.h"
#include "testing/gtest/include/gtest/gtest.h"
using leveldb_proto::test::FakeDB;
using InitStatus = leveldb_proto::Enums::InitStatus;
using Entries = notifications::ImpressionStore::Entries;
using DbEntries = std::vector<notifications::ClientState>;
using DbEntriesPtr = std::unique_ptr<std::vector<notifications::ClientState>>;
using TestClientStates = std::map<std::string, notifications::ClientState>;
namespace notifications {
namespace {
const char kClientStateKey[] = "guid_client_state_key1";
const ClientState kDefaultClientState;
// Test fixture to verify impression store.
class ImpressionStoreTest : public testing::Test {
public:
ImpressionStoreTest() : load_result_(false), db_(nullptr) {}
ImpressionStoreTest(const ImpressionStoreTest&) = delete;
ImpressionStoreTest& operator=(const ImpressionStoreTest&) = delete;
~ImpressionStoreTest() override = default;
void SetUp() override {}
protected:
// Initialize the store with test data.
void Init(const TestClientStates& test_data, InitStatus status) {
CreateTestProto(test_data);
auto db =
std::make_unique<FakeDB<proto::ClientState, ClientState>>(&db_entries_);
db_ = db.get();
store_ = std::make_unique<ImpressionStore>(std::move(db));
store_->InitAndLoad(base::BindOnce(&ImpressionStoreTest::OnEntriesLoaded,
base::Unretained(this)));
db_->InitStatusCallback(status);
}
bool load_result() const { return load_result_; }
const Entries& loaded_entries() const { return loaded_entries_; }
FakeDB<proto::ClientState, ClientState>* db() { return db_; }
CollectionStore<ClientState>* store() { return store_.get(); }
void OnEntriesLoaded(bool success, Entries entries) {
loaded_entries_ = std::move(entries);
load_result_ = success;
}
// Verifies the entries in the db is |expected|.
void VerifyDataInDb(DbEntriesPtr expected) {
db_->LoadEntries(base::BindOnce(
[](DbEntriesPtr expected, bool success, DbEntriesPtr entries) {
EXPECT_TRUE(success);
DCHECK(entries);
DCHECK(expected);
EXPECT_EQ(entries->size(), expected->size());
for (size_t i = 0, size = entries->size(); i < size; ++i) {
EXPECT_EQ((*entries)[i], (*expected)[i]);
}
},
std::move(expected)));
db_->LoadCallback(true);
}
private:
void CreateTestProto(const TestClientStates& client_states) {
for (const auto& pair : client_states) {
auto client_state(pair.second);
auto key = pair.first;
notifications::proto::ClientState proto;
ClientStateToProto(&client_state, &proto);
db_entries_.emplace(key, proto);
}
}
base::test::TaskEnvironment task_environment_;
std::map<std::string, proto::ClientState> db_entries_;
bool load_result_;
Entries loaded_entries_;
raw_ptr<FakeDB<proto::ClientState, ClientState>, DanglingUntriaged> db_;
std::unique_ptr<CollectionStore<ClientState>> store_;
};
// Initializes an empty database should success.
TEST_F(ImpressionStoreTest, InitSuccessEmptyDb) {
Init(TestClientStates(), InitStatus::kOK);
db()->LoadCallback(true);
EXPECT_EQ(load_result(), true);
EXPECT_TRUE(loaded_entries().empty());
}
// Initialize non-empty database should success.
TEST_F(ImpressionStoreTest, InitSuccessWithData) {
auto test_data = TestClientStates();
test_data.emplace(kClientStateKey, kDefaultClientState);
Init(test_data, InitStatus::kOK);
db()->LoadCallback(true);
EXPECT_EQ(load_result(), true);
EXPECT_EQ(loaded_entries().size(), 1u);
EXPECT_EQ(*loaded_entries().back(), kDefaultClientState);
}
// Failure when loading the data will result in error.
TEST_F(ImpressionStoreTest, InitSuccessLoadFailed) {
Init(TestClientStates(), InitStatus::kOK);
db()->LoadCallback(false);
EXPECT_EQ(load_result(), false);
EXPECT_TRUE(loaded_entries().empty());
}
// Failed database initialization will result in error.
TEST_F(ImpressionStoreTest, InitFailed) {
Init(TestClientStates(), InitStatus::kCorrupt);
EXPECT_EQ(load_result(), false);
EXPECT_TRUE(loaded_entries().empty());
}
// Verifies adding data.
TEST_F(ImpressionStoreTest, Add) {
Init(TestClientStates(), InitStatus::kOK);
db()->LoadCallback(true);
EXPECT_EQ(load_result(), true);
EXPECT_TRUE(loaded_entries().empty());
// Add data to the store.
store()->Add(kClientStateKey, kDefaultClientState,
base::BindOnce([](bool success) { EXPECT_TRUE(success); }));
db()->UpdateCallback(true);
// Verify the new data is in the database.
auto expected = std::make_unique<DbEntries>();
expected->emplace_back(kDefaultClientState);
VerifyDataInDb(std::move(expected));
}
// Verifies failure when adding data will result in error.
TEST_F(ImpressionStoreTest, AddFailed) {
Init(TestClientStates(), InitStatus::kOK);
db()->LoadCallback(true);
EXPECT_EQ(load_result(), true);
EXPECT_TRUE(loaded_entries().empty());
store()->Add(kClientStateKey, kDefaultClientState,
base::BindOnce([](bool success) { EXPECT_FALSE(success); }));
db()->UpdateCallback(false);
}
// Verifies updating data.
TEST_F(ImpressionStoreTest, Update) {
auto test_data = TestClientStates();
test_data.emplace(kClientStateKey, kDefaultClientState);
Init(test_data, InitStatus::kOK);
db()->LoadCallback(true);
EXPECT_EQ(load_result(), true);
ClientState new_client_state;
new_client_state.current_max_daily_show = 100;
// Update the database.
store()->Update(kClientStateKey, new_client_state,
base::BindOnce([](bool success) { EXPECT_TRUE(success); }));
db()->UpdateCallback(true);
// Verify the updated data is in the database.
auto expected = std::make_unique<DbEntries>();
expected->emplace_back(new_client_state);
VerifyDataInDb(std::move(expected));
}
// Verifies deleting data.
TEST_F(ImpressionStoreTest, Delete) {
auto test_data = TestClientStates();
test_data.emplace(kClientStateKey, kDefaultClientState);
Init(test_data, InitStatus::kOK);
db()->LoadCallback(true);
EXPECT_EQ(load_result(), true);
// Delete the entry.
store()->Delete(kClientStateKey,
base::BindOnce([](bool success) { EXPECT_TRUE(success); }));
// Verify there is no data in the database.
VerifyDataInDb(std::make_unique<DbEntries>());
}
} // namespace
} // namespace notifications
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