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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 "chrome/browser/media/router/discovery/mdns/cast_media_sink_service.h"
#include <inttypes.h>
#include <string>
#include "base/memory/raw_ptr.h"
#include "base/run_loop.h"
#include "base/strings/stringprintf.h"
#include "base/test/mock_callback.h"
#include "base/test/scoped_feature_list.h"
#include "base/test/test_simple_task_runner.h"
#include "base/timer/mock_timer.h"
#include "chrome/browser/media/router/discovery/mdns/cast_media_sink_service_impl.h"
#include "chrome/browser/media/router/discovery/mdns/cast_media_sink_service_test_helpers.h"
#include "chrome/browser/media/router/discovery/mdns/media_sink_util.h"
#include "chrome/browser/media/router/media_router_feature.h"
#include "chrome/browser/media/router/test/mock_dns_sd_registry.h"
#include "chrome/browser/media/router/test/provider_test_helpers.h"
#include "components/media_router/common/providers/cast/channel/cast_device_capability.h"
#include "components/media_router/common/providers/cast/channel/cast_socket.h"
#include "components/media_router/common/providers/cast/channel/cast_socket_service.h"
#include "components/media_router/common/providers/cast/channel/cast_test_util.h"
#include "components/media_router/common/test/test_helper.h"
#include "content/public/browser/network_service_instance.h"
#include "content/public/test/browser_task_environment.h"
#include "net/base/ip_address.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
using cast_channel::CastDeviceCapability;
using cast_channel::CastDeviceCapabilitySet;
using ::testing::_;
using ::testing::InvokeWithoutArgs;
using ::testing::NiceMock;
using ::testing::Return;
using ::testing::SaveArg;
namespace {
net::IPEndPoint CreateIPEndPoint(int num) {
net::IPAddress ip_address;
CHECK(ip_address.AssignFromIPLiteral(
base::StringPrintf("192.168.0.10%d", num)));
return net::IPEndPoint(ip_address, 8009 + num);
}
media_router::DnsSdService CreateDnsService(
int num,
CastDeviceCapabilitySet capabilities) {
net::IPEndPoint ip_endpoint = CreateIPEndPoint(num);
media_router::DnsSdService service;
service.service_name =
"_myDevice." + std::string(media_router::kCastServiceType);
service.ip_address = ip_endpoint.address().ToString();
service.service_host_port = net::HostPortPair::FromIPEndPoint(ip_endpoint);
service.service_data.push_back(base::StringPrintf("id=service %d", num));
service.service_data.push_back(
base::StringPrintf("fn=friendly name %d", num));
service.service_data.push_back(base::StringPrintf("md=model name %d", num));
service.service_data.push_back(
base::StringPrintf("ca=%" PRIu64, capabilities.ToEnumBitmask()));
return service;
}
} // namespace
namespace media_router {
class CastMediaSinkServiceTest : public ::testing::Test {
public:
CastMediaSinkServiceTest()
: task_runner_(new base::TestSimpleTaskRunner()),
mock_cast_socket_service_(
new cast_channel::MockCastSocketService(task_runner_)),
media_sink_service_(new TestCastMediaSinkService(
mock_cast_socket_service_.get(),
DiscoveryNetworkMonitor::GetInstance())) {}
CastMediaSinkServiceTest(CastMediaSinkServiceTest&) = delete;
CastMediaSinkServiceTest& operator=(CastMediaSinkServiceTest&) = delete;
void TearDown() override {
media_sink_service_.reset();
// Wait for `media_sink_service_.impl()` to be destroyed on its own sequence
// runner.
task_runner_->RunUntilIdle();
}
void SetUpTestDnsdRegistry(MockDnsSdRegistry* test_dns_sd_registry) {
EXPECT_CALL(*test_dns_sd_registry, AddObserver(media_sink_service_.get()));
EXPECT_CALL(*test_dns_sd_registry, RegisterDnsSdListener(_));
media_sink_service_->SetDnsSdRegistryForTest(test_dns_sd_registry);
}
protected:
content::BrowserTaskEnvironment task_environment_;
scoped_refptr<base::TestSimpleTaskRunner> task_runner_;
std::unique_ptr<cast_channel::MockCastSocketService>
mock_cast_socket_service_;
std::unique_ptr<TestCastMediaSinkService> media_sink_service_;
};
TEST_F(CastMediaSinkServiceTest, DiscoverSinksNow) {
MockDnsSdRegistry test_dns_sd_registry(media_sink_service_.get());
SetUpTestDnsdRegistry(&test_dns_sd_registry);
media_sink_service_->Initialize(base::DoNothing(), base::DoNothing(),
nullptr);
task_runner_->RunUntilIdle();
EXPECT_CALL(test_dns_sd_registry, ResetAndDiscover());
media_sink_service_->DiscoverSinksNow();
EXPECT_CALL(test_dns_sd_registry, RemoveObserver(media_sink_service_.get()));
EXPECT_CALL(test_dns_sd_registry, UnregisterDnsSdListener(_));
media_sink_service_.reset();
task_runner_->RunUntilIdle();
}
TEST_F(CastMediaSinkServiceTest, TestOnDnsSdEvent) {
media_sink_service_->Initialize(base::DoNothing(), base::DoNothing(),
nullptr);
auto* mock_impl = media_sink_service_->mock_impl();
ASSERT_TRUE(mock_impl);
EXPECT_CALL(*mock_impl, DoStart()).WillOnce(InvokeWithoutArgs([this]() {
EXPECT_TRUE(this->task_runner_->RunsTasksInCurrentSequence());
}));
task_runner_->RunUntilIdle();
DnsSdService service1 = CreateDnsService(
1, {CastDeviceCapability::kVideoOut, CastDeviceCapability::kAudioOut});
DnsSdService service2 =
CreateDnsService(2, {CastDeviceCapability::kMultizoneGroup});
DnsSdService service3 = CreateDnsService(3, {});
// Add dns services.
DnsSdRegistry::DnsSdServiceList service_list{service1, service2, service3};
// Invoke CastSocketService::OpenSocket on the IO thread.
media_sink_service_->OnDnsSdEvent(kCastServiceType, service_list);
std::vector<MediaSinkInternal> sinks;
EXPECT_CALL(*mock_impl, OpenChannels(_, _)).WillOnce(SaveArg<0>(&sinks));
// Invoke OpenChannels on |task_runner_|.
task_runner_->RunUntilIdle();
// Verify sink content
ASSERT_EQ(3u, sinks.size());
EXPECT_EQ(SinkIconType::CAST, sinks[0].sink().icon_type());
EXPECT_EQ(SinkIconType::CAST_AUDIO_GROUP, sinks[1].sink().icon_type());
EXPECT_EQ(SinkIconType::CAST_AUDIO, sinks[2].sink().icon_type());
}
TEST_F(CastMediaSinkServiceTest, DiscoveryDelayed) {
// When the flag is enabled, initializing the CastMSS doesn't automatically
// trigger discovery.
base::test::ScopedFeatureList scoped_feature_list;
scoped_feature_list.InitAndEnableFeature(
media_router::kDelayMediaSinkDiscovery);
EXPECT_CALL(*media_sink_service_, StartMdnsDiscovery).Times(0);
media_sink_service_->Initialize(base::DoNothing(), base::DoNothing(),
nullptr);
}
#if !BUILDFLAG(IS_WIN)
// TODO: crbug.com/345056325 - Remove this test after the
// kDelayMediaSinkDiscovery feature is enabled by default.
TEST_F(CastMediaSinkServiceTest, DiscoveryOnStartup) {
// When the flag is disabled, initializing the CastMSS will automatically
// trigger discovery.
base::test::ScopedFeatureList scoped_feature_list;
scoped_feature_list.InitAndDisableFeature(
media_router::kDelayMediaSinkDiscovery);
EXPECT_CALL(*media_sink_service_, StartMdnsDiscovery);
media_sink_service_->Initialize(base::DoNothing(), base::DoNothing(),
nullptr);
}
#endif
TEST_F(CastMediaSinkServiceTest, DiscoveryPermissionRejected) {
base::MockCallback<base::RepeatingClosure> cb;
MockDnsSdRegistry test_dns_sd_registry(media_sink_service_.get());
SetUpTestDnsdRegistry(&test_dns_sd_registry);
media_sink_service_->Initialize(base::DoNothing(), cb.Get(), nullptr);
task_runner_->RunUntilIdle();
EXPECT_CALL(cb, Run());
test_dns_sd_registry.SimulatePermissionRejected();
EXPECT_CALL(test_dns_sd_registry, RemoveObserver(media_sink_service_.get()));
EXPECT_CALL(test_dns_sd_registry, UnregisterDnsSdListener(_));
media_sink_service_.reset();
task_runner_->RunUntilIdle();
}
} // namespace media_router
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