Implemented WebRTC-AppRTC integration test.

This test will require a special gclient solution (implemented here:
https://codereview.chromium.org/25857002/) which will download the latest
apprtc code and the google appengine SDK. Then, it will launch a local
appengine instance and verify we can get an AppRTC call up on that by
connecting with two browser tabs.

This provides a hermetic integration test for WebRTC-AppRTC which should
be quite stable - it doesn't involve any connections to external servers.

BUG=303021
R=xians@chromium.org

Review URL: https://codereview.chromium.org/25652003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@228053 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 139 insertions, 0 deletions

diff --git a/chrome/browser/media/chrome_webrtc_apprtc_browsertest.cc b/chrome/browser/media/chrome_webrtc_apprtc_browsertest.cc
new file mode 100644
index 0000000..b86d2baf
--- /dev/null
+++ b/chrome/browser/media/chrome_webrtc_apprtc_browsertest.cc
@@ -0,0 +1,139 @@
+// 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/command_line.h"
+#include "base/path_service.h"
+#include "base/process/launch.h"
+#include "base/rand_util.h"
+#include "base/strings/stringprintf.h"
+#include "chrome/browser/browser_process.h"
+#include "chrome/browser/media/webrtc_browsertest_base.h"
+#include "chrome/browser/media/webrtc_browsertest_common.h"
+#include "chrome/browser/ui/browser.h"
+#include "chrome/browser/ui/browser_tabstrip.h"
+#include "chrome/browser/ui/tabs/tab_strip_model.h"
+#include "chrome/common/chrome_switches.h"
+#include "chrome/test/base/ui_test_utils.h"
+#include "chrome/test/ui/ui_test.h"
+#include "content/public/test/browser_test_utils.h"
+#include "net/test/python_utils.h"
+
+
+// You need this solution to run this test. The solution will download appengine
+// and the apprtc code for you.
+const char kAdviseOnGclientSolution[] =
+    "You need to add this solution to your .gclient to run this test:\n"
+    "{\n"
+    "  \"name\"        : \"webrtc.DEPS\",\n"
+    "  \"url\"         : \"svn://svn.chromium.org/chrome/trunk/deps/"
+    "third_party/webrtc/webrtc.DEPS\",\n"
+    "}";
+const char kTitlePageOfAppEngineAdminPage[] = "Instances";
+
+
+// WebRTC-AppRTC integration test. Requires a real webcam and microphone
+// on the running system. This test is not meant to run in the main browser
+// test suite since normal tester machines do not have webcams.
+//
+// This test will bring up a AppRTC instance on localhost and verify that the
+// call gets up when connecting to the same room from two tabs in a browser.
+class WebrtcApprtcBrowserTest : public WebRtcTestBase {
+ public:
+  virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
+    EXPECT_FALSE(command_line->HasSwitch(
+        switches::kUseFakeDeviceForMediaStream));
+    EXPECT_FALSE(command_line->HasSwitch(
+        switches::kUseFakeUIForMediaStream));
+
+    // The video playback will not work without a GPU, so force its use here.
+    command_line->AppendSwitch(switches::kUseGpuInTests);
+  }
+
+ protected:
+  bool LaunchApprtcInstanceOnLocalhost() {
+    base::FilePath appengine_dev_appserver =
+        GetSourceDir().Append(
+            FILE_PATH_LITERAL("../google_appengine/dev_appserver.py"));
+    if (!base::PathExists(appengine_dev_appserver)) {
+      LOG(ERROR) << "Missing appengine sdk at " <<
+          appengine_dev_appserver.value() << ". " << kAdviseOnGclientSolution;
+      return false;
+    }
+
+    base::FilePath apprtc_dir =
+        GetSourceDir().Append(
+            FILE_PATH_LITERAL("third_party/webrtc_apprtc/apprtc"));
+    if (!base::PathExists(apprtc_dir)) {
+      LOG(ERROR) << "Missing AppRTC code at " <<
+          apprtc_dir.value() << ". " << kAdviseOnGclientSolution;
+      return false;
+    }
+
+    CommandLine command_line(CommandLine::NO_PROGRAM);
+    EXPECT_TRUE(GetPythonCommand(&command_line));
+
+    command_line.AppendArgPath(appengine_dev_appserver);
+    command_line.AppendArgPath(apprtc_dir);
+    command_line.AppendArg("--port=9999");
+    command_line.AppendArg("--admin_port=9998");
+
+    LOG(INFO) << "Running " << command_line.GetCommandLineString();
+    return base::LaunchProcess(command_line, base::LaunchOptions(),
+                               &dev_appserver_);
+  }
+
+  bool LocalApprtcInstanceIsUp() {
+    // Load the admin page and see if we manage to load it right.
+    ui_test_utils::NavigateToURL(browser(), GURL("localhost:9998"));
+    content::WebContents* tab_contents =
+        browser()->tab_strip_model()->GetActiveWebContents();
+    std::string javascript =
+        "window.domAutomationController.send(document.title)";
+    std::string result;
+    if (!content::ExecuteScriptAndExtractString(tab_contents, javascript,
+                                                &result))
+      return false;
+
+    return result == kTitlePageOfAppEngineAdminPage;
+  }
+
+  bool StopApprtcInstance() {
+    return base::KillProcess(dev_appserver_, 0, false);
+  }
+
+  bool WaitForCallToComeUp(content::WebContents* tab_contents) {
+    // Apprtc will set remoteVideo.style.opacity to 1 when the call comes up.
+    std::string javascript =
+        "window.domAutomationController.send(remoteVideo.style.opacity)";
+    return PollingWaitUntil(javascript, "1", tab_contents);
+  }
+
+  base::FilePath GetSourceDir() {
+    base::FilePath source_dir;
+    PathService::Get(base::DIR_SOURCE_ROOT, &source_dir);
+    return source_dir;
+  }
+
+ private:
+  base::ProcessHandle dev_appserver_;
+};
+
+IN_PROC_BROWSER_TEST_F(WebrtcApprtcBrowserTest, MANUAL_WorksOnApprtc) {
+  ASSERT_TRUE(LaunchApprtcInstanceOnLocalhost());
+  while (!LocalApprtcInstanceIsUp())
+    LOG(INFO) << "Waiting for AppRTC to come up...";
+
+  GURL room_url = GURL(base::StringPrintf("localhost:9999?r=room_%d",
+                                          base::RandInt(0, 65536)));
+
+  chrome::AddBlankTabAt(browser(), -1, true);
+  content::WebContents* left_tab = OpenPageAndAcceptUserMedia(room_url);
+  chrome::AddBlankTabAt(browser(), -1, true);
+  content::WebContents* right_tab = OpenPageAndAcceptUserMedia(room_url);
+
+  ASSERT_TRUE(WaitForCallToComeUp(left_tab));
+  ASSERT_TRUE(WaitForCallToComeUp(right_tab));
+
+  ASSERT_TRUE(StopApprtcInstance());
+}