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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "remoting/host/remote_open_url/remote_open_url_message_handler.h"
#include <cstdint>
#include <memory>
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/scoped_refptr.h"
#include "base/run_loop.h"
#include "base/test/gmock_callback_support.h"
#include "base/test/mock_callback.h"
#include "base/test/task_environment.h"
#include "mojo/public/cpp/bindings/receiver_set.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "remoting/host/mojom/remote_url_opener.mojom.h"
#include "remoting/proto/remote_open_url.pb.h"
#include "remoting/protocol/fake_message_pipe.h"
#include "remoting/protocol/fake_message_pipe_wrapper.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "url/gurl.h"
namespace remoting {
namespace {
protocol::RemoteOpenUrl ParseMessage(const std::string& data) {
protocol::RemoteOpenUrl message;
message.ParseFromString(data);
return message;
}
inline auto QuitRunLoop(base::RunLoop& run_loop) {
return base::test::RunOnceClosure(run_loop.QuitClosure());
}
} // namespace
class RemoteOpenUrlMessageHandlerTest : public testing::Test {
public:
RemoteOpenUrlMessageHandlerTest();
~RemoteOpenUrlMessageHandlerTest() override;
protected:
mojo::ReceiverId OpenUrl(mojo::Remote<mojom::RemoteUrlOpener>& remote,
const GURL& url,
mojom::RemoteUrlOpener::OpenUrlCallback callback);
bool HasPendingCallbacks();
void FlushReceivers();
base::test::TaskEnvironment task_environment_;
protocol::FakeMessagePipe fake_pipe_{/* asynchronous= */ false};
raw_ptr<RemoteOpenUrlMessageHandler, DanglingUntriaged> message_handler_;
};
RemoteOpenUrlMessageHandlerTest::RemoteOpenUrlMessageHandlerTest() {
// Lifetime of |message_handler_| is controlled by the |fake_pipe_|.
message_handler_ =
new RemoteOpenUrlMessageHandler("fake name", fake_pipe_.Wrap());
fake_pipe_.OpenPipe();
}
RemoteOpenUrlMessageHandlerTest::~RemoteOpenUrlMessageHandlerTest() {
if (fake_pipe_.pipe_opened()) {
// Make sure there is no lingering receiver or callback after OpenUrl
// responses are sent.
EXPECT_TRUE(message_handler_->receivers_.empty());
EXPECT_TRUE(message_handler_->callbacks_.empty());
fake_pipe_.ClosePipe();
}
}
mojo::ReceiverId RemoteOpenUrlMessageHandlerTest::OpenUrl(
mojo::Remote<mojom::RemoteUrlOpener>& remote,
const GURL& url,
mojom::RemoteUrlOpener::OpenUrlCallback callback) {
EXPECT_FALSE(remote.is_bound());
mojo::ReceiverId receiver_id = message_handler_->AddReceiverAndGetReceiverId(
remote.BindNewPipeAndPassReceiver());
remote->OpenUrl(url, std::move(callback));
remote.FlushForTesting();
return receiver_id;
}
bool RemoteOpenUrlMessageHandlerTest::HasPendingCallbacks() {
return !message_handler_->callbacks_.empty();
}
void RemoteOpenUrlMessageHandlerTest::FlushReceivers() {
message_handler_->receivers_.FlushForTesting();
}
TEST_F(RemoteOpenUrlMessageHandlerTest, OpenUrl) {
base::RunLoop run_loop;
base::MockCallback<mojom::RemoteUrlOpener::OpenUrlCallback> callback;
EXPECT_CALL(callback, Run(mojom::OpenUrlResult::SUCCESS))
.WillOnce(QuitRunLoop(run_loop));
mojo::Remote<mojom::RemoteUrlOpener> remote;
mojo::ReceiverId receiver_id =
OpenUrl(remote, GURL("http://google.com/"), callback.Get());
protocol::RemoteOpenUrl response;
response.mutable_open_url_response()->set_id(receiver_id);
response.mutable_open_url_response()->set_result(
protocol::RemoteOpenUrl::OpenUrlResponse::SUCCESS);
fake_pipe_.ReceiveProtobufMessage(response);
run_loop.Run();
protocol::RemoteOpenUrl request_message =
ParseMessage(fake_pipe_.sent_messages().front());
ASSERT_TRUE(request_message.has_open_url_request());
ASSERT_EQ(receiver_id, request_message.open_url_request().id());
ASSERT_EQ("http://google.com/", request_message.open_url_request().url());
}
TEST_F(RemoteOpenUrlMessageHandlerTest, OpenInvalidUrl_Failure) {
base::RunLoop run_loop;
base::MockCallback<mojom::RemoteUrlOpener::OpenUrlCallback> callback;
EXPECT_CALL(callback, Run(mojom::OpenUrlResult::FAILURE))
.WillOnce(QuitRunLoop(run_loop));
mojo::Remote<mojom::RemoteUrlOpener> remote;
OpenUrl(remote, GURL("invalid_url"), callback.Get());
run_loop.Run();
ASSERT_EQ(0u, fake_pipe_.sent_messages().size());
}
TEST_F(RemoteOpenUrlMessageHandlerTest, OpenMultipleUrls) {
base::RunLoop run_loop_1;
base::MockCallback<mojom::RemoteUrlOpener::OpenUrlCallback> url_1_callback;
EXPECT_CALL(url_1_callback, Run(mojom::OpenUrlResult::SUCCESS))
.WillOnce(QuitRunLoop(run_loop_1));
base::RunLoop run_loop_2;
base::MockCallback<mojom::RemoteUrlOpener::OpenUrlCallback> url_2_callback;
EXPECT_CALL(url_2_callback, Run(mojom::OpenUrlResult::FAILURE))
.WillOnce(QuitRunLoop(run_loop_2));
mojo::Remote<mojom::RemoteUrlOpener> remote_1;
auto receiver_id_1 =
OpenUrl(remote_1, GURL("http://google.com/url1"), url_1_callback.Get());
mojo::Remote<mojom::RemoteUrlOpener> remote_2;
auto receiver_id_2 =
OpenUrl(remote_2, GURL("http://google.com/url2"), url_2_callback.Get());
protocol::RemoteOpenUrl response;
response.mutable_open_url_response()->set_id(receiver_id_1);
response.mutable_open_url_response()->set_result(
protocol::RemoteOpenUrl::OpenUrlResponse::SUCCESS);
fake_pipe_.ReceiveProtobufMessage(response);
response.mutable_open_url_response()->set_id(receiver_id_2);
response.mutable_open_url_response()->set_result(
protocol::RemoteOpenUrl::OpenUrlResponse::FAILURE);
fake_pipe_.ReceiveProtobufMessage(response);
run_loop_1.Run();
run_loop_2.Run();
base::queue<std::string> sent_messages = fake_pipe_.sent_messages();
ASSERT_EQ(2u, sent_messages.size());
protocol::RemoteOpenUrl request_message_1 =
ParseMessage(sent_messages.front());
ASSERT_TRUE(request_message_1.has_open_url_request());
ASSERT_EQ(receiver_id_1, request_message_1.open_url_request().id());
ASSERT_EQ("http://google.com/url1",
request_message_1.open_url_request().url());
sent_messages.pop();
protocol::RemoteOpenUrl request_message_2 =
ParseMessage(sent_messages.front());
ASSERT_TRUE(request_message_2.has_open_url_request());
ASSERT_EQ(receiver_id_2, request_message_2.open_url_request().id());
ASSERT_EQ("http://google.com/url2",
request_message_2.open_url_request().url());
}
TEST_F(RemoteOpenUrlMessageHandlerTest,
DisconnectRemote_CallbackSilentlyDropped) {
mojo::Remote<mojom::RemoteUrlOpener> remote;
auto receiver_id =
OpenUrl(remote, GURL("http://google.com/"), base::DoNothing());
protocol::RemoteOpenUrl request_message =
ParseMessage(fake_pipe_.sent_messages().front());
ASSERT_TRUE(request_message.has_open_url_request());
ASSERT_EQ(receiver_id, request_message.open_url_request().id());
ASSERT_EQ("http://google.com/", request_message.open_url_request().url());
ASSERT_TRUE(HasPendingCallbacks());
remote.reset();
FlushReceivers();
ASSERT_FALSE(HasPendingCallbacks());
}
TEST_F(RemoteOpenUrlMessageHandlerTest,
DisconnectMessagePipe_PendingCallbacksRunWithLocalFallback) {
base::RunLoop run_loop;
base::MockCallback<mojom::RemoteUrlOpener::OpenUrlCallback> callback;
EXPECT_CALL(callback, Run(mojom::OpenUrlResult::LOCAL_FALLBACK))
.WillOnce(QuitRunLoop(run_loop));
mojo::Remote<mojom::RemoteUrlOpener> remote;
OpenUrl(remote, GURL("http://google.com/url1"), callback.Get());
fake_pipe_.ClosePipe();
run_loop.Run();
}
} // namespace remoting
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