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// Copyright 2014 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 "remoting/codec/video_encoder.h"
#include "remoting/host/fake_host_extension.h"
#include "remoting/host/host_extension_session_manager.h"
#include "remoting/host/host_mock_objects.h"
#include "remoting/proto/control.pb.h"
#include "remoting/protocol/protocol_mock_objects.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/webrtc/modules/desktop_capture/desktop_capturer.h"
namespace remoting {
class HostExtensionSessionManagerTest : public testing::Test {
public:
HostExtensionSessionManagerTest()
: extension1_("ext1", "cap1"),
extension2_("ext2", ""),
extension3_("ext3", "cap3") {
extensions_.push_back(&extension1_);
extensions_.push_back(&extension2_);
extensions_.push_back(&extension3_);
}
virtual ~HostExtensionSessionManagerTest() {}
protected:
// Fake HostExtensions for testing.
FakeExtension extension1_;
FakeExtension extension2_;
FakeExtension extension3_;
std::vector<HostExtension*> extensions_;
// Mocks of interfaces provided by ClientSession.
MockClientSessionControl client_session_control_;
protocol::MockClientStub client_stub_;
};
// Verifies that messages are passed to be handled by the correct extension.
TEST_F(HostExtensionSessionManagerTest, ExtensionMessages_MessageHandled) {
HostExtensionSessionManager extension_manager(extensions_,
&client_session_control_);
extension_manager.OnNegotiatedCapabilities(
&client_stub_, extension_manager.GetCapabilities());
protocol::ExtensionMessage message;
message.set_type("ext2");
extension_manager.OnExtensionMessage(message);
EXPECT_FALSE(extension1_.has_handled_message());
EXPECT_TRUE(extension2_.has_handled_message());
EXPECT_FALSE(extension3_.has_handled_message());
}
// Verifies that extension messages not handled by extensions don't result in a
// crash.
TEST_F(HostExtensionSessionManagerTest, ExtensionMessages_MessageNotHandled) {
HostExtensionSessionManager extension_manager(extensions_,
&client_session_control_);
extension_manager.OnNegotiatedCapabilities(
&client_stub_, extension_manager.GetCapabilities());
protocol::ExtensionMessage message;
message.set_type("ext4");
extension_manager.OnExtensionMessage(message);
EXPECT_FALSE(extension1_.has_handled_message());
EXPECT_FALSE(extension2_.has_handled_message());
EXPECT_FALSE(extension3_.has_handled_message());
}
// Verifies that the correct set of capabilities are reported to the client,
// based on the registered extensions.
TEST_F(HostExtensionSessionManagerTest, ExtensionCapabilities_AreReported) {
HostExtensionSessionManager extension_manager(extensions_,
&client_session_control_);
EXPECT_EQ(extension_manager.GetCapabilities(), "cap1 cap3");
}
// Verifies that an extension is not instantiated if the client does not
// support its required capability, and that it does not receive messages.
TEST_F(HostExtensionSessionManagerTest, ExtensionCapabilities_AreChecked) {
HostExtensionSessionManager extension_manager(extensions_,
&client_session_control_);
extension_manager.OnNegotiatedCapabilities(&client_stub_, "cap1");
protocol::ExtensionMessage message;
message.set_type("ext3");
extension_manager.OnExtensionMessage(message);
EXPECT_TRUE(extension1_.was_instantiated());
EXPECT_TRUE(extension2_.was_instantiated());
EXPECT_FALSE(extension3_.was_instantiated());
}
// Verifies that matching extensions are given the opportunity to wrap or
// replace the video capturer.
TEST_F(HostExtensionSessionManagerTest, CanWrapVideoCapturer) {
HostExtensionSessionManager extension_manager(extensions_,
&client_session_control_);
// Set up all the extensions to request to modify the video pipeline.
extension1_.set_steal_video_capturer(true);
extension2_.set_steal_video_capturer(true);
extension3_.set_steal_video_capturer(true);
extension_manager.OnNegotiatedCapabilities(&client_stub_, "cap1");
extension_manager.OnCreateVideoCapturer(
scoped_ptr<webrtc::DesktopCapturer>());
EXPECT_FALSE(extension1_.has_wrapped_video_encoder());
EXPECT_TRUE(extension1_.has_wrapped_video_capturer());
EXPECT_FALSE(extension2_.has_wrapped_video_encoder());
EXPECT_TRUE(extension2_.has_wrapped_video_capturer());
EXPECT_FALSE(extension3_.was_instantiated());
}
// Verifies that matching extensions are given the opportunity to wrap or
// replace the video encoders.
TEST_F(HostExtensionSessionManagerTest, CanWrapVideoEncoder) {
HostExtensionSessionManager extension_manager(extensions_,
&client_session_control_);
// Set up all the extensions to request to modify the video pipeline.
extension1_.set_steal_video_capturer(true);
extension2_.set_steal_video_capturer(true);
extension3_.set_steal_video_capturer(true);
extension_manager.OnNegotiatedCapabilities(&client_stub_, "cap1");
extension_manager.OnCreateVideoEncoder(scoped_ptr<VideoEncoder>());
EXPECT_TRUE(extension1_.has_wrapped_video_encoder());
EXPECT_FALSE(extension1_.has_wrapped_video_capturer());
EXPECT_TRUE(extension2_.has_wrapped_video_encoder());
EXPECT_FALSE(extension2_.has_wrapped_video_capturer());
EXPECT_FALSE(extension3_.was_instantiated());
}
// Verifies that only extensions which report that they modify the video
// pipeline actually get called to modify it.
TEST_F(HostExtensionSessionManagerTest, RespectModifiesVideoPipeline) {
HostExtensionSessionManager extension_manager(extensions_,
&client_session_control_);
// Set up the second extension to request to modify the video pipeline.
extension2_.set_steal_video_capturer(true);
extension_manager.OnNegotiatedCapabilities(&client_stub_, "cap1");
extension_manager.OnCreateVideoCapturer(
scoped_ptr<webrtc::DesktopCapturer>());
extension_manager.OnCreateVideoEncoder(scoped_ptr<VideoEncoder>());
EXPECT_FALSE(extension1_.has_wrapped_video_encoder());
EXPECT_FALSE(extension1_.has_wrapped_video_capturer());
EXPECT_TRUE(extension2_.has_wrapped_video_encoder());
EXPECT_TRUE(extension2_.has_wrapped_video_capturer());
EXPECT_FALSE(extension3_.was_instantiated());
}
// Verifies that if an extension reports that they modify the video pipeline
// then ResetVideoPipeline() is called on the ClientSessionControl interface.
TEST_F(HostExtensionSessionManagerTest, CallsResetVideoPipeline) {
HostExtensionSessionManager extension_manager(extensions_,
&client_session_control_);
EXPECT_CALL(client_session_control_, ResetVideoPipeline());
// Set up only the first extension to request to modify the video pipeline.
extension1_.set_steal_video_capturer(true);
extension_manager.OnNegotiatedCapabilities(&client_stub_, "cap1");
}
} // namespace remoting
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