Add an end to end test: virtual keyboard opens on click of text input

chrome/browser/ui/ash/keyboard_end_to_end_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 "base/command_line.h"
+#include "base/files/file.h"
+#include "chrome/browser/ui/browser.h"
+#include "chrome/browser/ui/tabs/tab_strip_model.h"
+#include "chrome/test/base/in_process_browser_test.h"
+#include "chrome/test/base/ui_test_utils.h"
+#include "content/public/test/browser_test_utils.h"
+#include "ui/keyboard/content/keyboard_constants.h"
+#include "ui/keyboard/keyboard_controller.h"
+#include "ui/keyboard/keyboard_switches.h"
+#include "ui/keyboard/keyboard_test_util.h"
+
+namespace {
+bool IsKeyboardVisible() {
+  return keyboard::KeyboardController::GetInstance()->keyboard_visible();
+}
+}  // namespace
+
+namespace keyboard {
+
+class KeyboardEndToEndTest : public InProcessBrowserTest {
+ public:
+  KeyboardEndToEndTest() {}
+  ~KeyboardEndToEndTest() override {}
+
+  // Ensure that the virtual keyboard is enabled.
+  void SetUpCommandLine(base::CommandLine* command_line) override {
+    command_line->AppendSwitch(keyboard::switches::kEnableVirtualKeyboard);
+  }
+};
+
+IN_PROC_BROWSER_TEST_F(KeyboardEndToEndTest, OpenAndCloseOnFocusAndBlur) {
+  GURL test_url =
+      ui_test_utils::GetTestUrl(base::FilePath("chromeos/virtual_keyboard"),
+                                base::FilePath("inputs.html"));
+  ui_test_utils::NavigateToURL(browser(), test_url);
+  content::WebContents* web_contents =
+      browser()->tab_strip_model()->GetActiveWebContents();
+  ASSERT_TRUE(web_contents);
+
+  EXPECT_FALSE(IsKeyboardVisible());
+
+  ASSERT_TRUE(content::ExecuteScript(
+      web_contents, "document.getElementById('text').focus();"));
+
+  ASSERT_TRUE(keyboard::WaitUntilShown());
+  EXPECT_TRUE(IsKeyboardVisible());
+
+  ASSERT_TRUE(content::ExecuteScript(
+      web_contents, "document.getElementById('text').blur();"));
+
+  ASSERT_TRUE(keyboard::WaitUntilHidden());
+  EXPECT_FALSE(IsKeyboardVisible());
+}
+
+}  // namespace keyboard