Add interactive UI test for Select-to-Speak

chrome/browser/chromeos/accessibility/select_to_speak_browsertest.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 "ash/common/system/tray/system_tray.h"
+#include "ash/shell.h"
+#include "base/strings/pattern.h"
+#include "chrome/browser/chromeos/accessibility/accessibility_manager.h"
+#include "chrome/browser/chromeos/accessibility/speech_monitor.h"
+#include "chrome/test/base/in_process_browser_test.h"
+#include "chrome/test/base/ui_test_utils.h"
+#include "content/public/browser/notification_details.h"
+#include "content/public/browser/notification_service.h"
+#include "extensions/browser/notification_types.h"
+#include "ui/events/test/event_generator.h"
+#include "url/url_constants.h"
+
+namespace chromeos {
+
+class SelectToSpeakTest : public InProcessBrowserTest {
+ protected:
+  SelectToSpeakTest() {}
+  ~SelectToSpeakTest() override {}
+
+  void SetUpOnMainThread() override {
+    InProcessBrowserTest::SetUpOnMainThread();
+
+    ASSERT_FALSE(AccessibilityManager::Get()->IsSelectToSpeakEnabled());
+
+    content::WindowedNotificationObserver extension_load_waiter(
+        extensions::NOTIFICATION_EXTENSION_HOST_DID_STOP_FIRST_LOAD,
+        content::NotificationService::AllSources());
+    AccessibilityManager::Get()->SetSelectToSpeakEnabled(true);
+    extension_load_waiter.Wait();
+
+    aura::Window* root_window =
+        ash::Shell::GetInstance()->GetPrimaryRootWindow();
+    generator_.reset(new ui::test::EventGenerator(root_window));
+
+    ui_test_utils::NavigateToURL(browser(), GURL(url::kAboutBlankURL));
+  }
+
+  SpeechMonitor speech_monitor_;
+  std::unique_ptr<ui::test::EventGenerator> generator_;
+
+  DISALLOW_COPY_AND_ASSIGN(SelectToSpeakTest);
+};
+
+IN_PROC_BROWSER_TEST_F(SelectToSpeakTest, SpeakStatusTray) {
+  ash::SystemTray* tray = ash::Shell::GetInstance()->GetPrimarySystemTray();
+  gfx::Rect tray_bounds = tray->GetBoundsInScreen();
+
+  // Hold down Search and click a few pixels into the status tray bounds.
+  generator_->PressKey(ui::VKEY_LWIN, 0 /* flags */);
+  generator_->MoveMouseTo(tray_bounds.x() + 8, tray_bounds.y() + 8);
+  generator_->PressLeftButton();
+  generator_->ReleaseLeftButton();
+  generator_->ReleaseKey(ui::VKEY_LWIN, 0 /* flags */);
+
+  EXPECT_TRUE(
+      base::MatchPattern(speech_monitor_.GetNextUtterance(), "Status tray*"));
+}
+
+}  // namespace chromeos