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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 "components/download/public/background_service/test/test_download_service.h"
#include "base/functional/bind.h"
#include "base/no_destructor.h"
#include "base/task/single_thread_task_runner.h"
#include "base/time/time.h"
#include "components/download/public/background_service/background_download_service.h"
#include "components/download/public/background_service/client.h"
#include "components/download/public/background_service/download_metadata.h"
#include "components/download/public/background_service/download_params.h"
#include "components/download/public/background_service/service_config.h"
#include "components/download/public/background_service/test/empty_logger.h"
namespace download {
namespace test {
namespace {
// Implementation of ServiceConfig used for testing.
class TestServiceConfig : public ServiceConfig {
public:
TestServiceConfig() = default;
TestServiceConfig(const TestServiceConfig&) = delete;
TestServiceConfig& operator=(const TestServiceConfig&) = delete;
~TestServiceConfig() override = default;
// ServiceConfig implementation.
uint32_t GetMaxScheduledDownloadsPerClient() const override { return 0; }
uint32_t GetMaxConcurrentDownloads() const override { return 0; }
const base::TimeDelta& GetFileKeepAliveTime() const override {
return time_delta_;
}
private:
base::TimeDelta time_delta_;
};
} // namespace
TestDownloadService::TestDownloadService()
: service_config_(std::make_unique<TestServiceConfig>()),
logger_(std::make_unique<EmptyLogger>()),
client_(nullptr) {}
TestDownloadService::~TestDownloadService() = default;
const ServiceConfig& TestDownloadService::GetConfig() {
return *service_config_;
}
void TestDownloadService::OnStartScheduledTask(DownloadTaskType task_type,
TaskFinishedCallback callback) {}
bool TestDownloadService::OnStopScheduledTask(DownloadTaskType task_type) {
return true;
}
BackgroundDownloadService::ServiceStatus TestDownloadService::GetStatus() {
return is_ready_ ? BackgroundDownloadService::ServiceStatus::READY
: BackgroundDownloadService::ServiceStatus::STARTING_UP;
}
void TestDownloadService::StartDownload(DownloadParams params) {
if (!failed_download_id_.empty() && fail_at_start_) {
std::move(params.callback)
.Run(params.guid, DownloadParams::StartResult::UNEXPECTED_GUID);
return;
}
// The download will be accepted and queued even if the service is not ready.
std::move(params.callback)
.Run(params.guid, DownloadParams::StartResult::ACCEPTED);
downloads_.emplace_back(std::move(params));
if (!is_ready_)
return;
base::SingleThreadTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE, base::BindOnce(&TestDownloadService::ProcessDownload,
base::Unretained(this)));
}
void TestDownloadService::PauseDownload(const std::string& guid) {}
void TestDownloadService::ResumeDownload(const std::string& guid) {}
void TestDownloadService::CancelDownload(const std::string& guid) {
for (auto iter = downloads_.begin(); iter != downloads_.end(); ++iter) {
if (iter->value().guid == guid) {
downloads_.erase(iter);
CompletionInfo completion_info(base::FilePath(), 0u);
base::SingleThreadTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE,
base::BindOnce(&TestDownloadService::OnDownloadFailed,
base::Unretained(this), guid, completion_info,
Client::FailureReason::CANCELLED));
return;
}
}
}
void TestDownloadService::ChangeDownloadCriteria(
const std::string& guid,
const SchedulingParams& params) {}
Logger* TestDownloadService::GetLogger() {
return logger_.get();
}
const std::optional<DownloadParams>& TestDownloadService::GetDownload(
const std::string& guid) const {
for (const auto& download : downloads_) {
if (download.value().guid == guid)
return download;
}
static base::NoDestructor<std::optional<DownloadParams>> none;
return *none;
}
void TestDownloadService::SetFailedDownload(
const std::string& failed_download_id,
bool fail_at_start) {
failed_download_id_ = failed_download_id;
fail_at_start_ = fail_at_start;
}
void TestDownloadService::SetIsReady(bool is_ready) {
is_ready_ = is_ready;
if (is_ready_)
ProcessDownload();
}
void TestDownloadService::SetHash256(const std::string& hash256) {
hash256_ = hash256;
}
void TestDownloadService::SetFilePath(base::FilePath path) {
path_ = std::move(path);
}
void TestDownloadService::ProcessDownload() {
DCHECK(!fail_at_start_);
if (!is_ready_ || downloads_.empty())
return;
DownloadParams params = std::move(downloads_.front().value());
downloads_.pop_front();
if (!failed_download_id_.empty() && params.guid == failed_download_id_) {
CompletionInfo completion_info(base::FilePath(), 0u);
OnDownloadFailed(params.guid, completion_info,
Client::FailureReason::ABORTED);
} else {
CompletionInfo completion_info(path_, file_size_,
{params.request_params.url}, nullptr);
completion_info.hash256 = hash256_;
OnDownloadSucceeded(params.guid, completion_info);
}
}
void TestDownloadService::OnDownloadSucceeded(
const std::string& guid,
const CompletionInfo& completion_info) {
if (client_)
client_->OnDownloadSucceeded(guid, completion_info);
}
void TestDownloadService::OnDownloadFailed(
const std::string& guid,
const CompletionInfo& completion_info,
Client::FailureReason failure_reason) {
if (client_)
client_->OnDownloadFailed(guid, completion_info, failure_reason);
}
} // namespace test
} // namespace download
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