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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/app/app_net_worker.h"
#include <cstdint>
#include <memory>
#include <optional>
#include <string>
#include <utility>
#include <vector>
#include "base/files/file_util.h"
#include "base/files/scoped_temp_file.h"
#include "base/functional/bind.h"
#include "base/process/launch.h"
#include "base/process/process.h"
#include "base/run_loop.h"
#include "base/task/bind_post_task.h"
#include "base/task/task_traits.h"
#include "base/task/thread_pool.h"
#include "base/test/bind.h"
#include "base/test/multiprocess_test.h"
#include "base/test/task_environment.h"
#include "base/test/test_timeouts.h"
#include "base/threading/thread_restrictions.h"
#include "chrome/updater/app/app.h"
#include "chrome/updater/constants.h"
#include "chrome/updater/ipc/ipc_support.h"
#include "chrome/updater/net/fetcher_callback_adapter.h"
#include "chrome/updater/net/mac/mojom/updater_fetcher.mojom.h"
#include "chrome/updater/test/unit_test_util.h"
#include "components/update_client/network.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/receiver.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "mojo/public/cpp/bindings/self_owned_receiver.h"
#include "mojo/public/cpp/platform/platform_channel.h"
#include "mojo/public/cpp/system/invitation.h"
#include "mojo/public/cpp/system/message_pipe.h"
#include "net/base/net_errors.h"
#include "net/http/http_request_headers.h"
#include "net/http/http_status_code.h"
#include "net/test/embedded_test_server/embedded_test_server.h"
#include "net/test/embedded_test_server/http_response.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/multiprocess_func_list.h"
#include "url/gurl.h"
namespace updater {
class AppNetWorkerTest : public ::testing::Test {
protected:
void SetUp() override {
mojo::PlatformChannel channel;
base::LaunchOptions options;
base::CommandLine command_line =
base::GetMultiProcessTestChildBaseCommandLine();
channel.PrepareToPassRemoteEndpoint(&options, &command_line);
fetcher_process_ = base::SpawnMultiProcessTestChild("NetWorkerChild",
command_line, options);
channel.RemoteProcessLaunchAttempted();
ASSERT_TRUE(fetcher_process_.IsValid());
mojo::ScopedMessagePipeHandle pipe = mojo::OutgoingInvitation::SendIsolated(
channel.TakeLocalEndpoint(), {}, fetcher_process_.Handle());
mojo::PendingRemote<mojom::FetchService> pending_remote(
std::move(pipe), mojom::FetchService::Version_);
ASSERT_TRUE(pending_remote);
remote_ = mojo::Remote<mojom::FetchService>(std::move(pending_remote));
}
void TearDown() override {
test::WaitForProcess(fetcher_process_);
fetcher_process_.Close();
remote_.reset();
}
base::test::TaskEnvironment environment_;
ScopedIPCSupportWrapper ipc_support_;
mojo::Remote<mojom::FetchService> remote_;
base::Process fetcher_process_;
};
TEST_F(AppNetWorkerTest, PostRequest) {
net::EmbeddedTestServer test_server;
test_server.RegisterRequestHandler(base::BindRepeating(
[](const net::test_server::HttpRequest& request)
-> std::unique_ptr<net::test_server::HttpResponse> {
auto http_response =
std::make_unique<net::test_server::BasicHttpResponse>();
http_response->set_code(net::HTTP_OK);
http_response->set_content("hello world!");
http_response->set_content_type("text/plain");
http_response->AddCustomHeader(
update_client::NetworkFetcher::kHeaderEtag, "etag-for-test");
http_response->AddCustomHeader(
update_client::NetworkFetcher::kHeaderXCupServerProof,
"cup-server-proof-xyz");
http_response->AddCustomHeader(
update_client::NetworkFetcher::kHeaderSetCookie,
"cookie-for-testing");
http_response->AddCustomHeader("SomeOtherHeader", "foo-bar");
return http_response;
}));
ASSERT_TRUE(test_server.Start());
base::RunLoop run_loop;
std::vector<mojom::HttpHeaderPtr> headers;
headers.push_back(mojom::HttpHeader::New("CustomizedHeader", "abc"));
remote_->PostRequest(
test_server.GetURL("/"), "", "text/plain", std::move(headers),
MakePostRequestObserver(
base::BindRepeating(
[](int32_t http_status_code, int64_t content_length) {
EXPECT_EQ(http_status_code, net::HTTP_OK);
EXPECT_EQ(content_length, 12); // Length of `hello world!`
}),
base::BindRepeating([](int64_t current) { EXPECT_LE(current, 12); }),
base::BindLambdaForTesting(
[&](std::optional<std::string> response_body, int32_t net_error,
const std::string& header_etag,
const std::string& header_x_cup_server_proof,
const std::string& header_set_cookie,
int64_t xheader_retry_after_sec) {
EXPECT_EQ(net_error, 0);
EXPECT_EQ(*response_body, "hello world!");
EXPECT_EQ(header_etag, "etag-for-test");
EXPECT_EQ(header_x_cup_server_proof, "cup-server-proof-xyz");
EXPECT_EQ(header_set_cookie, "cookie-for-testing");
run_loop.Quit();
})));
run_loop.Run();
}
TEST_F(AppNetWorkerTest, DownloadFile) {
base::FilePath payload_path = updater::test::GetTestFilePath("signed.exe.gz");
std::optional<int64_t> payload_size = base::GetFileSize(payload_path);
ASSERT_TRUE(payload_size.has_value());
std::string payload;
ASSERT_TRUE(base::ReadFileToString(payload_path, &payload));
net::EmbeddedTestServer test_server;
test_server.RegisterRequestHandler(base::BindLambdaForTesting(
[&](const net::test_server::HttpRequest& request)
-> std::unique_ptr<net::test_server::HttpResponse> {
auto http_response =
std::make_unique<net::test_server::BasicHttpResponse>();
http_response->set_code(net::HTTP_OK);
http_response->set_content(payload);
http_response->set_content_type("application/octet-stream");
return http_response;
}));
ASSERT_TRUE(test_server.Start());
base::ScopedTempFile output;
ASSERT_TRUE(output.Create());
base::File output_file(output.path(),
base::File::FLAG_OPEN_ALWAYS | base::File::FLAG_WRITE);
ASSERT_TRUE(output_file.IsValid());
base::RunLoop run_loop;
remote_->DownloadToFile(
test_server.GetURL("/"), std::move(output_file),
MakeFileDownloadObserver(
base::BindLambdaForTesting(
[&](int32_t http_status_code, int64_t content_length) {
EXPECT_EQ(http_status_code, net::HTTP_OK);
if (content_length > 0) {
EXPECT_EQ(content_length, payload_size.value());
}
}),
base::BindLambdaForTesting([&](int64_t current) {
EXPECT_LE(current, payload_size.value());
}),
base::BindLambdaForTesting(
[&](int32_t net_error, int64_t content_length) {
EXPECT_EQ(net_error, 0);
EXPECT_EQ(content_length, payload_size.value());
run_loop.Quit();
})));
run_loop.Run();
EXPECT_TRUE(base::ContentsEqual(output.path(), payload_path));
}
TEST_F(AppNetWorkerTest, ServerNotExist) {
base::RunLoop run_loop;
remote_->PostRequest(
GURL("https://host_that.does_not_exist"), "", "text/plain", {},
MakePostRequestObserver(
base::BindRepeating(
[](int32_t http_status_code, int64_t content_length) {}),
base::BindRepeating([](int64_t current) {}),
base::BindLambdaForTesting(
[&](std::optional<std::string> response_body, int32_t net_error,
const std::string& header_etag,
const std::string& header_x_cup_server_proof,
const std::string& header_set_cookie,
int64_t xheader_retry_after_sec) {
EXPECT_NE(net_error, 0);
run_loop.Quit();
})));
run_loop.Run();
}
MULTIPROCESS_TEST_MAIN(NetWorkerChild) {
base::test::TaskEnvironment task_environment;
ScopedIPCSupportWrapper ipc_support;
// This is a net-worker process, mark it as such, so that it doesn't do
// further fallback.
base::CommandLine::ForCurrentProcess()->AppendSwitch(kNetWorkerSwitch);
return !MakeAppNetWorker()->Run();
}
} // namespace updater
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