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// Copyright 2024 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/updater/net/fallback_net_fetcher.h"
#include <cstdint>
#include <memory>
#include <string>
#include <utility>
#include "base/containers/flat_map.h"
#include "base/files/file_path.h"
#include "base/functional/callback_helpers.h"
#include "base/test/bind.h"
#include "components/update_client/network.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "url/gurl.h"
namespace updater {
namespace {
class FakeFetcher : public update_client::NetworkFetcher {
public:
FakeFetcher() = delete;
FakeFetcher(const FakeFetcher&) = delete;
FakeFetcher& operator=(const FakeFetcher&) = delete;
FakeFetcher(
base::OnceCallback<
void(update_client::NetworkFetcher::PostRequestCompleteCallback)>
post_request,
base::OnceCallback<base::OnceClosure(
update_client::NetworkFetcher::DownloadToFileCompleteCallback)>
download_to_file)
: post_request_(std::move(post_request)),
download_to_file_(std::move(download_to_file)) {}
// Overrides for update_client::NetworkFetcher
void PostRequest(
const GURL& url,
const std::string& post_data,
const std::string& content_type,
const base::flat_map<std::string, std::string>& post_additional_headers,
update_client::NetworkFetcher::ResponseStartedCallback
response_started_callback,
update_client::NetworkFetcher::ProgressCallback progress_callback,
update_client::NetworkFetcher::PostRequestCompleteCallback
post_request_complete_callback) override {
std::move(post_request_).Run(std::move(post_request_complete_callback));
}
base::OnceClosure DownloadToFile(
const GURL& url,
const base::FilePath& file_path,
update_client::NetworkFetcher::ResponseStartedCallback
response_started_callback,
update_client::NetworkFetcher::ProgressCallback progress_callback,
update_client::NetworkFetcher::DownloadToFileCompleteCallback
download_to_file_complete_callback) override {
return std::move(download_to_file_)
.Run(std::move(download_to_file_complete_callback));
}
private:
base::OnceCallback<void(
update_client::NetworkFetcher::PostRequestCompleteCallback)>
post_request_;
base::OnceCallback<base::OnceClosure(
update_client::NetworkFetcher::DownloadToFileCompleteCallback)>
download_to_file_;
};
std::unique_ptr<FakeFetcher> MakeFakeFetcherForPost(
base::OnceCallback<int(void)> error_supplier) {
return std::make_unique<FakeFetcher>(
base::BindOnce(
[](base::OnceCallback<int(void)> error_supplier,
update_client::NetworkFetcher::PostRequestCompleteCallback
callback) {
std::move(callback).Run(
std::nullopt, std::move(error_supplier).Run(), {}, {}, {}, 0);
},
std::move(error_supplier)),
base::BindOnce(
[](update_client::NetworkFetcher::DownloadToFileCompleteCallback
callback) {
std::move(callback).Run(0, 0);
return base::BindOnce([] {});
}));
}
std::unique_ptr<FakeFetcher> MakeFakeFetcherForDownload(
base::OnceCallback<int(void)> error_supplier) {
return std::make_unique<FakeFetcher>(
base::BindOnce(
[](update_client::NetworkFetcher::PostRequestCompleteCallback
callback) {
std::move(callback).Run(std::nullopt, 0, {}, {}, {}, 0);
}),
base::BindOnce(
[](base::OnceCallback<int(void)> error_supplier,
update_client::NetworkFetcher::DownloadToFileCompleteCallback
callback) {
std::move(callback).Run(std::move(error_supplier).Run(), 0);
return base::BindOnce([] {});
},
std::move(error_supplier)));
}
} // namespace
TEST(FallbackNetFetcher, NoFallbackOnSuccess_Post) {
bool ran1 = false;
bool ran2 = false;
bool called_back = false;
FallbackNetFetcher(MakeFakeFetcherForPost(base::BindLambdaForTesting([&] {
ran1 = true;
return 0;
})),
MakeFakeFetcherForPost(base::BindLambdaForTesting([&] {
ran2 = true;
return 0;
})))
.PostRequest({}, {}, {}, {}, base::DoNothing(), base::DoNothing(),
base::BindLambdaForTesting(
[&](std::optional<std::string>, int, const std::string&,
const std::string&, const std::string&,
int64_t) { called_back = true; }));
EXPECT_TRUE(ran1);
EXPECT_FALSE(ran2);
EXPECT_TRUE(called_back);
}
TEST(FallbackNetFetcher, NoFallbackOnSuccess_Download) {
bool ran1 = false;
bool ran2 = false;
bool called_back = false;
FallbackNetFetcher(MakeFakeFetcherForDownload(base::BindLambdaForTesting([&] {
ran1 = true;
return 0;
})),
MakeFakeFetcherForDownload(base::BindLambdaForTesting([&] {
ran2 = true;
return 0;
})))
.DownloadToFile({}, {}, base::DoNothing(), base::DoNothing(),
base::BindLambdaForTesting(
[&](int, int64_t) { called_back = true; }));
EXPECT_TRUE(ran1);
EXPECT_FALSE(ran2);
EXPECT_TRUE(called_back);
}
TEST(FallbackNetFetcher, FallbackOnFailure_Post) {
bool ran1 = false;
bool ran2 = false;
bool called_back = false;
FallbackNetFetcher(MakeFakeFetcherForPost(base::BindLambdaForTesting([&] {
ran1 = true;
return 1;
})),
MakeFakeFetcherForPost(base::BindLambdaForTesting([&] {
ran2 = true;
return 0;
})))
.PostRequest({}, {}, {}, {}, base::DoNothing(), base::DoNothing(),
base::BindLambdaForTesting(
[&](std::optional<std::string>, int, const std::string&,
const std::string&, const std::string&,
int64_t) { called_back = true; }));
EXPECT_TRUE(ran1);
EXPECT_TRUE(ran2);
EXPECT_TRUE(called_back);
}
TEST(FallbackNetFetcher, FallbackOnFailure_Download) {
bool ran1 = false;
bool ran2 = false;
bool called_back = false;
FallbackNetFetcher(MakeFakeFetcherForDownload(base::BindLambdaForTesting([&] {
ran1 = true;
return 1;
})),
MakeFakeFetcherForDownload(base::BindLambdaForTesting([&] {
ran2 = true;
return 0;
})))
.DownloadToFile({}, {}, base::DoNothing(), base::DoNothing(),
base::BindLambdaForTesting(
[&](int, int64_t) { called_back = true; }));
EXPECT_TRUE(ran1);
EXPECT_TRUE(ran2);
EXPECT_TRUE(called_back);
}
TEST(FallbackNetFetcher, NoCrashOnNullptr_Post) {
bool ran1 = false;
bool called_back = false;
FallbackNetFetcher(MakeFakeFetcherForPost(base::BindLambdaForTesting([&] {
ran1 = true;
return 1;
})),
nullptr)
.PostRequest({}, {}, {}, {}, base::DoNothing(), base::DoNothing(),
base::BindLambdaForTesting(
[&](std::optional<std::string>, int, const std::string&,
const std::string&, const std::string&,
int64_t) { called_back = true; }));
EXPECT_TRUE(ran1);
EXPECT_TRUE(called_back);
}
TEST(FallbackNetFetcher, NoCrashOnNullptr_Download) {
bool ran1 = false;
bool called_back = false;
FallbackNetFetcher(MakeFakeFetcherForDownload(base::BindLambdaForTesting([&] {
ran1 = true;
return 1;
})),
nullptr)
.DownloadToFile({}, {}, base::DoNothing(), base::DoNothing(),
base::BindLambdaForTesting(
[&](int, int64_t) { called_back = true; }));
EXPECT_TRUE(ran1);
EXPECT_TRUE(called_back);
}
} // namespace updater
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