[Chromecast] Adds Browser test for media playback

chromecast/browser/test/chromecast_shell_browser_test.cc

 // 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 "base/macros.h"
+#include "base/strings/string_split.h"
+#include "base/strings/utf_string_conversions.h"
 #include "chromecast/browser/test/chromecast_browser_test.h"
+#include "content/public/test/browser_test_utils.h"
+#include "media/base/test_data_util.h"
 #include "url/gurl.h"
 #include "url/url_constants.h"
 
 namespace chromecast {
 namespace shell {
+namespace {
+const char kEnded[] = "ENDED";
+const char kError[] = "ERROR";
+const char kFailed[] = "FAILED";
+}
 
 class ChromecastShellBrowserTest : public ChromecastBrowserTest {
  public:
   ChromecastShellBrowserTest() : url_(url::kAboutBlankURL) {}
 
   void SetUpOnMainThread() override {
     CreateBrowser();
     NavigateToURL(web_contents(), url_);
   }
 
+  void PlayVideo(const std::string& media_file) {
+    PlayMedia("video", media_file);
+  }
+
  private:
   const GURL url_;
 
+  void PlayMedia(const std::string& tag,
+                 const std::string& media_file) {
+    base::StringPairs query_params;
+    query_params.push_back(std::make_pair(tag, media_file));
+    RunMediaTestPage("player.html", query_params, kEnded);
+  }
+
+  void RunMediaTestPage(const std::string& html_page,
+                        const base::StringPairs& query_params,
+                        const std::string& expected_title) {
+    std::string query = media::GetURLQueryString(query_params);
+    GURL gurl = content::GetFileUrlWithQuery(
+        media::GetTestDataFilePath(html_page),
+        query);
+
+    std::string final_title = RunTest(gurl, expected_title);
+    EXPECT_EQ(expected_title, final_title);
+  }
+
+  std::string RunTest(const GURL& gurl,
+                      const std::string& expected_title) {
+    content::TitleWatcher title_watcher(web_contents(),
+                                        base::ASCIIToUTF16(expected_title));
+    title_watcher.AlsoWaitForTitle(base::ASCIIToUTF16(kEnded));
+    title_watcher.AlsoWaitForTitle(base::ASCIIToUTF16(kError));
+    title_watcher.AlsoWaitForTitle(base::ASCIIToUTF16(kFailed));
+
+    NavigateToURL(web_contents(), gurl);
+    base::string16 result = title_watcher.WaitAndGetTitle();
+    return base::UTF16ToASCII(result);
+  }
+
   DISALLOW_COPY_AND_ASSIGN(ChromecastShellBrowserTest);
 };
 
 IN_PROC_BROWSER_TEST_F(ChromecastShellBrowserTest, EmptyTest) {
   // Run an entire browser lifecycle to ensure nothing breaks.
   // TODO(gunsch): Remove this test case once there are actual assertions to
   // test in a ChromecastBrowserTest instance.
   EXPECT_TRUE(true);
 }
 
+IN_PROC_BROWSER_TEST_F(ChromecastShellBrowserTest, MediaPlayback) {
+  PlayVideo("bear.mp4");
+}
+
 }  // namespace shell
 }  // namespace chromecast