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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <algorithm>
#include <optional>
#include "base/files/file_util.h"
#include "base/files/scoped_temp_dir.h"
#include "base/functional/bind.h"
#include "base/functional/callback.h"
#include "base/functional/callback_helpers.h"
#include "base/task/single_thread_task_runner.h"
#include "base/test/test_simple_task_runner.h"
#include "base/uuid.h"
#include "components/download/internal/background_service/driver_entry.h"
#include "components/download/internal/background_service/entry.h"
#include "components/download/internal/background_service/file_monitor_impl.h"
#include "components/download/internal/background_service/test/entry_utils.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
using testing::_;
namespace download {
class FileMonitorTest : public testing::Test {
public:
FileMonitorTest()
: task_runner_(new base::TestSimpleTaskRunner),
current_default_handle_(task_runner_),
completion_callback_called_(false) {}
FileMonitorTest(const FileMonitorTest&) = delete;
FileMonitorTest& operator=(const FileMonitorTest&) = delete;
~FileMonitorTest() override = default;
void HardRecoveryResponse(bool result);
void CompletionCallback() { completion_callback_called_ = true; }
void SetUp() override {
EXPECT_TRUE(scoped_temp_dir_.CreateUniqueTempDir());
download_dir_ = scoped_temp_dir_.GetPath();
monitor_ = std::make_unique<FileMonitorImpl>(download_dir_, task_runner_);
}
void TearDown() override { ASSERT_TRUE(scoped_temp_dir_.Delete()); }
protected:
base::FilePath CreateTemporaryFile(std::string file_name);
base::ScopedTempDir scoped_temp_dir_;
scoped_refptr<base::TestSimpleTaskRunner> task_runner_;
base::SingleThreadTaskRunner::CurrentDefaultHandle current_default_handle_;
base::FilePath download_dir_;
bool completion_callback_called_;
std::unique_ptr<FileMonitor> monitor_;
std::optional<bool> hard_recovery_result_;
};
base::FilePath FileMonitorTest::CreateTemporaryFile(std::string file_name) {
base::FilePath file_path = download_dir_.AppendASCII(file_name);
base::File file(file_path, base::File::FLAG_CREATE | base::File::FLAG_WRITE);
EXPECT_TRUE(file.IsValid());
file.Close();
return file_path;
}
void FileMonitorTest::HardRecoveryResponse(bool result) {
hard_recovery_result_ = result;
}
TEST_F(FileMonitorTest, TestDeleteUnknownFiles) {
Entry entry1 = test::BuildEntry(
DownloadClient::TEST, base::Uuid::GenerateRandomV4().AsLowercaseString());
entry1.target_file_path = CreateTemporaryFile(entry1.guid);
Entry entry2 = test::BuildEntry(
DownloadClient::TEST, base::Uuid::GenerateRandomV4().AsLowercaseString());
entry2.target_file_path = CreateTemporaryFile(entry2.guid);
DriverEntry driver_entry1;
driver_entry1.guid = entry1.guid;
driver_entry1.current_file_path = entry1.target_file_path;
DriverEntry driver_entry2;
driver_entry2.guid = base::Uuid::GenerateRandomV4().AsLowercaseString();
driver_entry2.current_file_path = CreateTemporaryFile(driver_entry2.guid);
base::FilePath temp_file1 = CreateTemporaryFile("temp1");
base::FilePath temp_file2 = CreateTemporaryFile("temp2");
auto check_file_existence = [&](bool e1, bool e2, bool de1, bool de2, bool t1,
bool t2) {
EXPECT_EQ(e1, base::PathExists(entry1.target_file_path));
EXPECT_EQ(e2, base::PathExists(entry2.target_file_path));
EXPECT_EQ(de1, base::PathExists(driver_entry1.current_file_path));
EXPECT_EQ(de2, base::PathExists(driver_entry2.current_file_path));
EXPECT_EQ(t1, base::PathExists(temp_file1));
EXPECT_EQ(t2, base::PathExists(temp_file2));
};
check_file_existence(true, true, true, true, true, true);
std::vector<Entry*> entries = {&entry1, &entry2};
std::vector<DriverEntry> driver_entries = {driver_entry1, driver_entry2};
monitor_->DeleteUnknownFiles(entries, driver_entries, base::DoNothing());
task_runner_->RunUntilIdle();
check_file_existence(true, true, true, true, false, false);
entries = {&entry2};
driver_entries = {driver_entry1, driver_entry2};
monitor_->DeleteUnknownFiles(entries, driver_entries, base::DoNothing());
task_runner_->RunUntilIdle();
check_file_existence(true, true, true, true, false, false);
entries = {&entry2};
driver_entries = {driver_entry2};
monitor_->DeleteUnknownFiles(entries, driver_entries, base::DoNothing());
task_runner_->RunUntilIdle();
check_file_existence(false, true, false, true, false, false);
entries.clear();
driver_entries.clear();
monitor_->DeleteUnknownFiles(entries, driver_entries, base::DoNothing());
task_runner_->RunUntilIdle();
check_file_existence(false, false, false, false, false, false);
}
TEST_F(FileMonitorTest, TestCleanupFilesForCompletedEntries) {
Entry entry1 = test::BuildEntry(
DownloadClient::TEST, base::Uuid::GenerateRandomV4().AsLowercaseString());
EXPECT_TRUE(
base::CreateTemporaryFileInDir(download_dir_, &entry1.target_file_path));
Entry entry2 = test::BuildEntry(
DownloadClient::TEST, base::Uuid::GenerateRandomV4().AsLowercaseString());
EXPECT_TRUE(
base::CreateTemporaryFileInDir(download_dir_, &entry2.target_file_path));
std::vector<Entry*> entries = {&entry1, &entry2};
monitor_->CleanupFilesForCompletedEntries(
entries, base::BindOnce(&FileMonitorTest::CompletionCallback,
base::Unretained(this)));
task_runner_->RunUntilIdle();
EXPECT_FALSE(base::PathExists(entry1.target_file_path));
EXPECT_FALSE(base::PathExists(entry2.target_file_path));
EXPECT_TRUE(completion_callback_called_);
}
TEST_F(FileMonitorTest, TestHardRecovery) {
base::FilePath temp_file1 = CreateTemporaryFile("temp1");
base::FilePath temp_file2 = CreateTemporaryFile("temp2");
auto callback = base::BindOnce(&FileMonitorTest::HardRecoveryResponse,
base::Unretained(this));
EXPECT_TRUE(base::PathExists(temp_file1));
EXPECT_TRUE(base::PathExists(temp_file2));
monitor_->HardRecover(std::move(callback));
task_runner_->RunUntilIdle();
EXPECT_TRUE(hard_recovery_result_.has_value());
EXPECT_TRUE(hard_recovery_result_.value());
EXPECT_FALSE(base::PathExists(temp_file1));
EXPECT_FALSE(base::PathExists(temp_file2));
}
} // namespace download
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