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// Copyright 2022 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/mirroring/service/openscreen_message_port.h"
#include "base/base64.h"
#include "base/functional/bind.h"
#include "base/functional/callback.h"
#include "base/json/json_reader.h"
#include "base/test/mock_callback.h"
#include "base/test/task_environment.h"
#include "components/mirroring/service/value_util.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/openscreen/src/cast/common/public/message_port.h"
using ::testing::_;
using ::testing::InvokeWithoutArgs;
namespace mirroring {
namespace {
constexpr char kSourceId[] = "sender-123";
constexpr char kDestinationId[] = "receiver-456";
constexpr char kNamespace[] = "namespace";
class MockMessagePortClient : public openscreen::cast::MessagePort::Client {
public:
MOCK_METHOD(void,
OnMessage,
(const std::string&, const std::string&, const std::string&),
(override));
MOCK_METHOD(void, OnError, (const openscreen::Error&), (override));
const std::string& source_id() override { return source_id_; }
private:
std::string source_id_ = kSourceId;
};
} // anonymous namespace
class OpenscreenMessagePortTest : public ::testing::Test,
public mojom::CastMessageChannel {
public:
OpenscreenMessagePortTest() = default;
void SetUp() override {
mojo::PendingRemote<mojom::CastMessageChannel> outbound_channel_remote;
outbound_channel_receiver_.Bind(
outbound_channel_remote.InitWithNewPipeAndPassReceiver());
message_port_ = std::make_unique<OpenscreenMessagePort>(
kSourceId, kDestinationId, std::move(outbound_channel_remote),
inbound_channel_.BindNewPipeAndPassReceiver());
message_port_->SetClient(mock_client_);
task_environment_.RunUntilIdle();
}
~OpenscreenMessagePortTest() override { task_environment_.RunUntilIdle(); }
protected:
// mojom::CastMessageChannel implementation (outbound messages).
void OnMessage(mojom::CastMessagePtr message) override {
EXPECT_EQ(message->message_namespace, kNamespace);
std::optional<base::Value> value =
base::JSONReader::Read(message->json_format_data);
ASSERT_TRUE(value);
std::string message_type;
EXPECT_TRUE(GetString(*value, "type", &message_type));
OnOutboundMessage(message_type);
}
MOCK_METHOD1(OnOutboundMessage, void(const std::string& message_type));
void OnInboundMessage(const std::string& message_namespace,
const std::string& json_format_data) {
mojom::CastMessagePtr message =
mojom::CastMessage::New(message_namespace, json_format_data);
inbound_channel_->OnMessage(std::move(message));
task_environment_.RunUntilIdle();
}
base::test::TaskEnvironment& task_environment() { return task_environment_; }
MockMessagePortClient& client() { return mock_client_; }
OpenscreenMessagePort* message_port() { return message_port_.get(); }
private:
base::test::TaskEnvironment task_environment_;
mojo::Receiver<mojom::CastMessageChannel> outbound_channel_receiver_{this};
mojo::Remote<mojom::CastMessageChannel> inbound_channel_;
testing::StrictMock<MockMessagePortClient> mock_client_;
std::unique_ptr<OpenscreenMessagePort> message_port_;
};
TEST_F(OpenscreenMessagePortTest, CanSendMessage) {
EXPECT_CALL(*this, OnOutboundMessage("OFFER"));
constexpr char kMessage[] = R"({"type": "OFFER"})";
message_port()->PostMessage(kDestinationId, kNamespace,
std::string(kMessage));
task_environment().RunUntilIdle();
}
TEST_F(OpenscreenMessagePortTest, CanReceiveMessage) {
constexpr char kMessage[] = R"({"type": "ANSWER"})";
EXPECT_CALL(client(), OnMessage(kDestinationId, kNamespace, kMessage));
OnInboundMessage(kNamespace, std::string(kMessage));
task_environment().RunUntilIdle();
}
} // namespace mirroring
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