src/chrome/browser/chromeos/extensions/virtual_keyboard_browsertest.cc

   1 /*
   2  * Copyright 2013 The Chromium Authors. All rights reserved.
   3  * Use of this source code is governed by a BSD-style license that can be
   4  * found in the LICENSE file.
   5  */
   6
   7 #include <vector>
   8
   9 #include "ash/shell.h"
  10 #include "base/command_line.h"
  11 #include "chrome/browser/ui/browser.h"
  12 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  13 #include "chrome/test/base/in_process_browser_test.h"
  14 #include "chrome/test/base/ui_test_utils.h"
  15 #include "content/public/browser/render_view_host.h"
  16 #include "content/public/browser/render_widget_host_iterator.h"
  17 #include "content/public/browser/site_instance.h"
  18 #include "content/public/browser/web_contents.h"
  19 #include "content/public/test/browser_test_utils.h"
  20 #include "ui/aura/client/aura_constants.h"
  21 #include "ui/base/ime/input_method.h"
  22 #include "ui/keyboard/keyboard_controller.h"
  23 #include "ui/keyboard/keyboard_switches.h"
  24
  25 namespace {
  26
  27 const base::FilePath kWebuiTestDir =
  28     base::FilePath(FILE_PATH_LITERAL("webui"));
  29
  30 const base::FilePath kVirtualKeyboardTestDir =
  31     base::FilePath(FILE_PATH_LITERAL("chromeos/virtual_keyboard"));
  32
  33 const base::FilePath kMockController =
  34     base::FilePath(FILE_PATH_LITERAL("mock_controller.js"));
  35
  36 const base::FilePath kMockTimer =
  37     base::FilePath(FILE_PATH_LITERAL("mock_timer.js"));
  38
  39 const base::FilePath kBaseKeyboardTestFramework =
  40     base::FilePath(FILE_PATH_LITERAL("virtual_keyboard_test_base.js"));
  41
  42 }  // namespace
  43
  44 class VirtualKeyboardBrowserTest : public InProcessBrowserTest {
  45  public:
  46
  47   // Ensure that the virtual keyboard is enabled.
  48   virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
  49     command_line->AppendSwitch(
  50         keyboard::switches::kEnableVirtualKeyboard);
  51   }
  52
  53   // Injects javascript in |file| into the keyboard page and runs test methods.
  54   void RunTest(const base::FilePath& file) {
  55     ui_test_utils::NavigateToURL(browser(), GURL("chrome://keyboard"));
  56
  57     content::WebContents* web_contents =
  58         browser()->tab_strip_model()->GetActiveWebContents();
  59     ASSERT_TRUE(web_contents);
  60
  61     // Inject testing scripts.
  62     InjectJavascript(kWebuiTestDir, kMockController);
  63     InjectJavascript(kWebuiTestDir, kMockTimer);
  64     InjectJavascript(kVirtualKeyboardTestDir, kBaseKeyboardTestFramework);
  65     InjectJavascript(kVirtualKeyboardTestDir, file);
  66
  67     ASSERT_TRUE(content::ExecuteScript(web_contents, utf8_content_));
  68
  69     // Inject DOM-automation test harness and run tests.
  70     std::vector<int> resource_ids;
  71     EXPECT_TRUE(ExecuteWebUIResourceTest(web_contents, resource_ids));
  72   }
  73
  74   void showVirtualKeyboard() {
  75     aura::Window *window = ash::Shell::GetPrimaryRootWindow();
  76     ui::InputMethod* input_method = window->GetProperty(
  77         aura::client::kRootWindowInputMethodKey);
  78     ASSERT_TRUE(input_method);
  79     input_method->ShowImeIfNeeded();
  80   }
  81
  82   content::RenderViewHost* GetKeyboardRenderViewHost() {
  83     showVirtualKeyboard();
  84     std::string kVirtualKeyboardURL =
  85         "chrome-extension://mppnpdlheglhdfmldimlhpnegondlapf/";
  86     scoped_ptr<content::RenderWidgetHostIterator> widgets(
  87         content::RenderWidgetHost::GetRenderWidgetHosts());
  88     while (content::RenderWidgetHost* widget = widgets->GetNextHost()) {
  89       if (widget->IsRenderView()) {
  90         content::RenderViewHost* view = content::RenderViewHost::From(widget);
  91         std::string url = view->GetSiteInstance()->GetSiteURL().spec();
  92         if (url == kVirtualKeyboardURL) {
  93           content::WebContents* wc =
  94               content::WebContents::FromRenderViewHost(view);
  95           // Waits for Polymer to load.
  96           content::WaitForLoadStop(wc);
  97           return view;
  98         }
  99       }
 100     }
 101     return NULL;
 102   }
 103
 104  private:
 105
 106   // Injects javascript into the keyboard page.  The test |file| is in
 107   // directory |dir| relative to the root testing directory.
 108   void InjectJavascript(const base::FilePath& dir,
 109                         const base::FilePath& file) {
 110     base::FilePath path = ui_test_utils::GetTestFilePath(dir, file);
 111     std::string library_content;
 112     ASSERT_TRUE(base::ReadFileToString(path, &library_content))
 113         << path.value();
 114     utf8_content_.append(library_content);
 115     utf8_content_.append(";\n");
 116   }
 117
 118   std::string utf8_content_;
 119 };
 120
 121 IN_PROC_BROWSER_TEST_F(VirtualKeyboardBrowserTest, AttributesTest) {
 122   RunTest(base::FilePath(FILE_PATH_LITERAL("attributes_test.js")));
 123 }
 124
 125 IN_PROC_BROWSER_TEST_F(VirtualKeyboardBrowserTest, TypingTest) {
 126   RunTest(base::FilePath(FILE_PATH_LITERAL("typing_test.js")));
 127 }
 128
 129 IN_PROC_BROWSER_TEST_F(VirtualKeyboardBrowserTest, ControlKeysTest) {
 130   RunTest(base::FilePath(FILE_PATH_LITERAL("control_keys_test.js")));
 131 }
 132
 133 IN_PROC_BROWSER_TEST_F(VirtualKeyboardBrowserTest, HideKeyboardKeyTest) {
 134   RunTest(base::FilePath(FILE_PATH_LITERAL("hide_keyboard_key_test.js")));
 135 }
 136
 137 IN_PROC_BROWSER_TEST_F(VirtualKeyboardBrowserTest, KeysetTransitionTest) {
 138   RunTest(base::FilePath(FILE_PATH_LITERAL("keyset_transition_test.js")));
 139 }
 140
 141 IN_PROC_BROWSER_TEST_F(VirtualKeyboardBrowserTest, IsKeyboardLoaded) {
 142   content::RenderViewHost* keyboard_rvh = GetKeyboardRenderViewHost();
 143   ASSERT_TRUE(keyboard_rvh);
 144   bool loaded = false;
 145   std::string script = "!!chrome.virtualKeyboardPrivate";
 146   EXPECT_TRUE(content::ExecuteScriptAndExtractBool(
 147       keyboard_rvh,
 148       "window.domAutomationController.send(" + script + ");",
 149       &loaded));
 150   // Catches the regression in crbug.com/308653.
 151   ASSERT_TRUE(loaded);
 152 }
 153
 154 IN_PROC_BROWSER_TEST_F(VirtualKeyboardBrowserTest, EndToEndTest) {
 155   // Get the virtual keyboard's render view host.
 156   content::RenderViewHost* keyboard_rvh = GetKeyboardRenderViewHost();
 157   ASSERT_TRUE(keyboard_rvh);
 158
 159   // Get the test page's render view host.
 160   content::RenderViewHost* browser_rvh = browser()->tab_strip_model()->
 161       GetActiveWebContents()->GetRenderViewHost();
 162   ASSERT_TRUE(browser_rvh);
 163
 164   // Set up the test page.
 165   GURL url = ui_test_utils::GetTestUrl(
 166       base::FilePath(),
 167       base::FilePath(FILE_PATH_LITERAL(
 168           "chromeos/virtual_keyboard/end_to_end_test.html")));
 169   ui_test_utils::NavigateToURL(browser(), url);
 170
 171   // Press 'a' on keyboard.
 172   base::FilePath path = ui_test_utils::GetTestFilePath(
 173       kVirtualKeyboardTestDir,
 174       base::FilePath(FILE_PATH_LITERAL("end_to_end_test.js")));
 175   std::string script;
 176   ASSERT_TRUE(base::ReadFileToString(path, &script));
 177   EXPECT_TRUE(content::ExecuteScript(keyboard_rvh, script));
 178   // Verify 'a' appeared on test page.
 179   bool success = false;
 180   EXPECT_TRUE(content::ExecuteScriptAndExtractBool(
 181       browser_rvh,
 182       "success ? verifyInput('a') : waitForInput('a');",
 183       &success));
 184   ASSERT_TRUE(success);
 185 }
 186
 187 // TODO(kevers|rsadam|bshe):  Add UI tests for remaining virtual keyboard
 188 // functionality.