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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/strings/string_number_conversions.h"
#include "content/browser/renderer_host/media/device_request_message_filter.h"
#include "content/browser/renderer_host/media/media_stream_manager.h"
#include "content/common/media/media_stream_messages.h"
#include "content/public/test/mock_resource_context.h"
#include "content/public/test/test_browser_thread.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
using ::testing::_;
using ::testing::Invoke;
namespace content {
static const std::string kAudioLabel = "audio_label";
static const std::string kVideoLabel = "video_label";
class MockMediaStreamManager : public MediaStreamManager {
public:
MockMediaStreamManager() {}
virtual ~MockMediaStreamManager() {}
MOCK_METHOD8(EnumerateDevices,
std::string(MediaStreamRequester* requester,
int render_process_id,
int render_view_id,
const ResourceContext::SaltCallback& rc,
int page_request_id,
MediaStreamType type,
const GURL& security_origin,
bool have_permission));
std::string DoEnumerateDevices(MediaStreamRequester* requester,
int render_process_id,
int render_view_id,
const ResourceContext::SaltCallback& rc,
int page_request_id,
MediaStreamType type,
const GURL& security_origin,
bool have_permission) {
if (type == MEDIA_DEVICE_AUDIO_CAPTURE) {
return kAudioLabel;
} else {
return kVideoLabel;
}
}
};
class MockDeviceRequestMessageFilter : public DeviceRequestMessageFilter {
public:
MockDeviceRequestMessageFilter(MockResourceContext* context,
MockMediaStreamManager* manager)
: DeviceRequestMessageFilter(context, manager, 0), received_id_(-1) {}
StreamDeviceInfoArray requested_devices() { return requested_devices_; }
int received_id() { return received_id_; }
private:
virtual ~MockDeviceRequestMessageFilter() {}
// Override the Send() method to intercept the message that we're sending to
// the renderer.
virtual bool Send(IPC::Message* reply_msg) OVERRIDE {
CHECK(reply_msg);
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(MockDeviceRequestMessageFilter, *reply_msg)
IPC_MESSAGE_HANDLER(MediaStreamMsg_GetSourcesACK, SaveDevices)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
EXPECT_TRUE(handled);
delete reply_msg;
return true;
}
void SaveDevices(int request_id, const StreamDeviceInfoArray& devices) {
received_id_ = request_id;
requested_devices_ = devices;
}
int received_id_;
StreamDeviceInfoArray requested_devices_;
};
class DeviceRequestMessageFilterTest : public testing::Test {
public:
DeviceRequestMessageFilterTest() : next_device_id_(0) {}
void RunTest(int number_audio_devices, int number_video_devices) {
AddAudioDevices(number_audio_devices);
AddVideoDevices(number_video_devices);
GURL origin("https://test.com");
EXPECT_CALL(*media_stream_manager_,
EnumerateDevices(_, _, _, _, _, MEDIA_DEVICE_AUDIO_CAPTURE,
_, _))
.Times(1);
EXPECT_CALL(*media_stream_manager_,
EnumerateDevices(_, _, _, _, _, MEDIA_DEVICE_VIDEO_CAPTURE,
_, _))
.Times(1);
// Send message to get devices. Should trigger 2 EnumerateDevice() requests.
const int kRequestId = 123;
SendGetSourcesMessage(kRequestId, origin);
// Run audio callback. Because there's still an outstanding video request,
// this should not populate |message|.
FireAudioDeviceCallback();
EXPECT_EQ(0u, host_->requested_devices().size());
// After the video device callback is fired, |message| should be populated.
FireVideoDeviceCallback();
EXPECT_EQ(static_cast<size_t>(number_audio_devices + number_video_devices),
host_->requested_devices().size());
EXPECT_EQ(kRequestId, host_->received_id());
}
protected:
virtual ~DeviceRequestMessageFilterTest() {}
virtual void SetUp() OVERRIDE {
message_loop_.reset(new base::MessageLoopForIO);
io_thread_.reset(
new TestBrowserThread(BrowserThread::IO, message_loop_.get()));
media_stream_manager_.reset(new MockMediaStreamManager());
ON_CALL(*media_stream_manager_, EnumerateDevices(_, _, _, _, _, _, _, _))
.WillByDefault(Invoke(media_stream_manager_.get(),
&MockMediaStreamManager::DoEnumerateDevices));
resource_context_.reset(new MockResourceContext(NULL));
host_ = new MockDeviceRequestMessageFilter(resource_context_.get(),
media_stream_manager_.get());
}
scoped_refptr<MockDeviceRequestMessageFilter> host_;
scoped_ptr<MockMediaStreamManager> media_stream_manager_;
scoped_ptr<MockResourceContext> resource_context_;
StreamDeviceInfoArray physical_audio_devices_;
StreamDeviceInfoArray physical_video_devices_;
scoped_ptr<base::MessageLoop> message_loop_;
scoped_ptr<TestBrowserThread> io_thread_;
private:
void AddAudioDevices(int number_of_devices) {
for (int i = 0; i < number_of_devices; i++) {
physical_audio_devices_.push_back(
StreamDeviceInfo(
MEDIA_DEVICE_AUDIO_CAPTURE,
"/dev/audio/" + base::IntToString(next_device_id_),
"Audio Device" + base::IntToString(next_device_id_)));
next_device_id_++;
}
}
void AddVideoDevices(int number_of_devices) {
for (int i = 0; i < number_of_devices; i++) {
physical_video_devices_.push_back(
StreamDeviceInfo(
MEDIA_DEVICE_VIDEO_CAPTURE,
"/dev/video/" + base::IntToString(next_device_id_),
"Video Device" + base::IntToString(next_device_id_)));
next_device_id_++;
}
}
void SendGetSourcesMessage(int request_id, const GURL& origin) {
host_->OnMessageReceived(MediaStreamHostMsg_GetSources(request_id, origin));
}
void FireAudioDeviceCallback() {
host_->DevicesEnumerated(-1, -1, kAudioLabel, physical_audio_devices_);
}
void FireVideoDeviceCallback() {
host_->DevicesEnumerated(-1, -1, kVideoLabel, physical_video_devices_);
}
int next_device_id_;
};
TEST_F(DeviceRequestMessageFilterTest, TestGetSources_AudioAndVideoDevices) {
// Runs through test with 1 audio and 1 video device.
RunTest(1, 1);
}
TEST_F(DeviceRequestMessageFilterTest,
TestGetSources_MultipleAudioAndVideoDevices) {
// Runs through test with 3 audio devices and 2 video devices.
RunTest(3, 2);
}
TEST_F(DeviceRequestMessageFilterTest, TestGetSources_NoVideoDevices) {
// Runs through test with 4 audio devices and 0 video devices.
RunTest(4, 0);
}
TEST_F(DeviceRequestMessageFilterTest, TestGetSources_NoAudioDevices) {
// Runs through test with 0 audio devices and 3 video devices.
RunTest(0, 3);
}
TEST_F(DeviceRequestMessageFilterTest, TestGetSources_NoDevices) {
// Runs through test with no devices.
RunTest(0, 0);
}
}; // namespace content
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