[Presentation API] (5th) (1-UA) integrate controller and receiver side for 1-UA messaging

chrome/browser/media/router/browser_presentation_connection_proxy_unittest.cc

+// Copyright 2017 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 "chrome/browser/media/router/browser_presentation_connection_proxy.h"
+
+#include "base/run_loop.h"
+#include "base/test/mock_callback.h"
+#include "chrome/browser/media/router/media_source.h"
+#include "chrome/browser/media/router/media_source_helper.h"
+#include "chrome/browser/media/router/mock_media_router.h"
+#include "content/public/test/test_browser_thread_bundle.h"
+#include "testing/gmock/include/gmock/gmock.h"
+
+using ::testing::_;
+
+namespace media_router {
+
+constexpr char kMediaRouteId[] = "MockRouteId";
+
+class MockPresentationConnectionProxy
+    : public NON_EXPORTED_BASE(blink::mojom::PresentationConnection) {
+ public:
+  void OnMessage(blink::mojom::ConnectionMessagePtr message,
+                 const OnMessageCallback& on_message_callback) override {
+    OnMessageRaw(message.get(), on_message_callback);
+  }
+
+  MOCK_METHOD2(OnMessageRaw,
+               void(const blink::mojom::ConnectionMessage*,
+                    const OnMessageCallback&));
+  MOCK_METHOD1(DidChangeState,
+               void(content::PresentationConnectionState state));
+};
+
+class BrowserPresentationConnectionProxyTest : public ::testing::Test {
+ public:
+  BrowserPresentationConnectionProxyTest() = default;
+
+  void SetUp() override {
+    mock_controller_connection_proxy_ =
+        base::MakeUnique<MockPresentationConnectionProxy>();
+    blink::mojom::PresentationConnectionPtr controller_connection_ptr;
+    mojo::Binding<blink::mojom::PresentationConnection> binding(
+        mock_controller_connection_proxy_.get(),
+        mojo::MakeRequest(&controller_connection_ptr));
+    EXPECT_CALL(
+        *mock_controller_connection_proxy_,
+        DidChangeState(content::PRESENTATION_CONNECTION_STATE_CONNECTED));
+
+    blink::mojom::PresentationConnectionPtr receiver_connection_ptr;
+
+    base::RunLoop run_loop;
+    browser_connection_proxy_ =
+        base::MakeUnique<BrowserPresentationConnectionProxy>(
+            &mock_router_, "MockRouteId",
+            mojo::MakeRequest(&receiver_connection_ptr),
+            std::move(controller_connection_ptr));
+    run_loop.RunUntilIdle();
+  }
+
+  void TearDown() override {
+    browser_connection_proxy_.reset();
+    mock_controller_connection_proxy_.reset();
+  }
+
+  BrowserPresentationConnectionProxy* browser_connection_proxy() {
+    return browser_connection_proxy_.get();
+  }
+
+  MockMediaRouter* mock_router() { return &mock_router_; }
+
+ private:
+  std::unique_ptr<MockPresentationConnectionProxy>
+      mock_controller_connection_proxy_;
+  std::unique_ptr<BrowserPresentationConnectionProxy> browser_connection_proxy_;
+  MockMediaRouter mock_router_;
+  content::TestBrowserThreadBundle thread_bundle_;
+};
+
+TEST_F(BrowserPresentationConnectionProxyTest, TestOnMessageTextMessage) {
+  std::string message = "test message";
+  blink::mojom::ConnectionMessagePtr session_message =
+      blink::mojom::ConnectionMessage::New();
+  session_message->type = blink::mojom::PresentationMessageType::TEXT;
+  session_message->message = message;
+
+  base::MockCallback<base::Callback<void(bool)>> mock_on_message_callback;
+  EXPECT_CALL(*mock_router(), SendRouteMessage(kMediaRouteId, message, _));
+
+  browser_connection_proxy()->OnMessage(std::move(session_message),
+                                        mock_on_message_callback.Get());
+}
+
+TEST_F(BrowserPresentationConnectionProxyTest, TestOnMessageBinaryMessage) {
+  std::vector<uint8_t> expected_data;
+  expected_data.push_back(42);
+  expected_data.push_back(36);
+
+  blink::mojom::ConnectionMessagePtr session_message =
+      blink::mojom::ConnectionMessage::New();
+  session_message->type = blink::mojom::PresentationMessageType::BINARY;
+  session_message->data = expected_data;
+
+  base::MockCallback<base::Callback<void(bool)>> mock_on_message_callback;
+  EXPECT_CALL(*mock_router(), SendRouteBinaryMessageInternal(_, _, _))
+      .WillOnce(::testing::Invoke([this, &expected_data](
+          const MediaRoute::Id& route_id, std::vector<uint8_t>* data,
+          const BrowserPresentationConnectionProxy::OnMessageCallback&
+              callback) { EXPECT_EQ(expected_data, *data); }));
+
+  browser_connection_proxy()->OnMessage(std::move(session_message),
+                                        mock_on_message_callback.Get());
+}
+
+}  // namespace media_router