chrome/browser/chromeos/login/lock/screen_locker_tester.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/chromeos/login/lock/screen_locker_tester.h"
   6
   7 #include <string>
   8
   9 #include "base/strings/string_util.h"
  10 #include "base/strings/stringprintf.h"
  11 #include "base/strings/utf_string_conversions.h"
  12 #include "base/values.h"
  13 #include "chrome/browser/chromeos/login/lock/screen_locker.h"
  14 #include "chrome/browser/chromeos/login/lock/webui_screen_locker.h"
  15 #include "chromeos/login/auth/auth_status_consumer.h"
  16 #include "chromeos/login/auth/fake_extended_authenticator.h"
  17 #include "chromeos/login/auth/stub_authenticator.h"
  18 #include "content/public/browser/render_frame_host.h"
  19 #include "content/public/browser/render_view_host.h"
  20 #include "content/public/browser/web_contents.h"
  21 #include "content/public/browser/web_ui.h"
  22 #include "content/public/test/test_utils.h"
  23 #include "testing/gtest/include/gtest/gtest.h"
  24 #include "ui/views/controls/button/button.h"
  25 #include "ui/views/controls/label.h"
  26 #include "ui/views/controls/textfield/textfield.h"
  27 #include "ui/views/widget/root_view.h"
  28
  29 using content::WebContents;
  30
  31 namespace {
  32
  33 // This class is used to observe state of the global ScreenLocker instance,
  34 // which can go away as a result of a successful authentication. As such,
  35 // it needs to directly reference the global ScreenLocker.
  36 class LoginAttemptObserver : public chromeos::AuthStatusConsumer {
  37  public:
  38   LoginAttemptObserver();
  39   ~LoginAttemptObserver() override;
  40
  41   void WaitForAttempt();
  42
  43   // Overridden from AuthStatusConsumer:
  44   void OnAuthFailure(const chromeos::AuthFailure& error) override {
  45     LoginAttempted();
  46   }
  47
  48   void OnAuthSuccess(const chromeos::UserContext& credentials) override {
  49     LoginAttempted();
  50   }
  51
  52  private:
  53   void LoginAttempted();
  54
  55   bool login_attempted_;
  56   bool waiting_;
  57
  58   DISALLOW_COPY_AND_ASSIGN(LoginAttemptObserver);
  59 };
  60
  61 LoginAttemptObserver::LoginAttemptObserver()
  62     : chromeos::AuthStatusConsumer(), login_attempted_(false), waiting_(false) {
  63   chromeos::ScreenLocker::default_screen_locker()->SetLoginStatusConsumer(this);
  64 }
  65
  66 LoginAttemptObserver::~LoginAttemptObserver() {
  67   chromeos::ScreenLocker* global_locker =
  68       chromeos::ScreenLocker::default_screen_locker();
  69   if (global_locker)
  70     global_locker->SetLoginStatusConsumer(NULL);
  71 }
  72
  73 void LoginAttemptObserver::WaitForAttempt() {
  74   if (!login_attempted_) {
  75     waiting_ = true;
  76     content::RunMessageLoop();
  77     waiting_ = false;
  78   }
  79   ASSERT_TRUE(login_attempted_);
  80 }
  81
  82 void LoginAttemptObserver::LoginAttempted() {
  83   login_attempted_ = true;
  84   if (waiting_)
  85     base::MessageLoopForUI::current()->Quit();
  86 }
  87
  88 }  // anyonymous namespace
  89
  90 namespace chromeos {
  91
  92 namespace test {
  93
  94 class WebUIScreenLockerTester : public ScreenLockerTester {
  95  public:
  96   // ScreenLockerTester overrides:
  97   void SetPassword(const std::string& password) override;
  98   std::string GetPassword() override;
  99   void EnterPassword(const std::string& password) override;
 100   void EmulateWindowManagerReady() override;
 101   views::Widget* GetWidget() const override;
 102   views::Widget* GetChildWidget() const override;
 103
 104  private:
 105   friend class chromeos::ScreenLocker;
 106
 107   WebUIScreenLockerTester() {}
 108
 109   content::RenderViewHost* RenderViewHost() const;
 110
 111   // Returns the ScreenLockerWebUI object.
 112   WebUIScreenLocker* webui_screen_locker() const;
 113
 114   // Returns the WebUI object from the screen locker.
 115   content::WebUI* webui() const;
 116
 117   DISALLOW_COPY_AND_ASSIGN(WebUIScreenLockerTester);
 118 };
 119
 120 void WebUIScreenLockerTester::SetPassword(const std::string& password) {
 121   webui()->GetWebContents()->GetMainFrame()->ExecuteJavaScriptForTests(
 122       base::ASCIIToUTF16(base::StringPrintf(
 123           "$('pod-row').pods[0].passwordElement.value = '%s';",
 124           password.c_str())));
 125 }
 126
 127 std::string WebUIScreenLockerTester::GetPassword() {
 128   std::string result;
 129   scoped_ptr<base::Value> v = content::ExecuteScriptAndGetValue(
 130       RenderViewHost()->GetMainFrame(),
 131       "$('pod-row').pods[0].passwordElement.value;");
 132   CHECK(v->GetAsString(&result));
 133   return result;
 134 }
 135
 136 void WebUIScreenLockerTester::EnterPassword(const std::string& password) {
 137   bool result;
 138   SetPassword(password);
 139
 140   // Verify password is set.
 141   ASSERT_EQ(password, GetPassword());
 142
 143   // Verify that "reauth" warning is hidden.
 144   scoped_ptr<base::Value> v = content::ExecuteScriptAndGetValue(
 145       RenderViewHost()->GetMainFrame(),
 146       "window.getComputedStyle("
 147       "    $('pod-row').pods[0].querySelector('.reauth-hint-container'))"
 148       "        .display == 'none'");
 149   ASSERT_TRUE(v->GetAsBoolean(&result));
 150   ASSERT_TRUE(result);
 151
 152   // Attempt to sign in.
 153   LoginAttemptObserver login;
 154   v = content::ExecuteScriptAndGetValue(
 155       RenderViewHost()->GetMainFrame(),
 156       "$('pod-row').pods[0].activate();");
 157   ASSERT_TRUE(v->GetAsBoolean(&result));
 158   ASSERT_TRUE(result);
 159
 160   // Wait for login attempt.
 161   login.WaitForAttempt();
 162 }
 163
 164 void WebUIScreenLockerTester::EmulateWindowManagerReady() {
 165 }
 166
 167 views::Widget* WebUIScreenLockerTester::GetWidget() const {
 168   return webui_screen_locker()->lock_window_;
 169 }
 170
 171 views::Widget* WebUIScreenLockerTester::GetChildWidget() const {
 172   return webui_screen_locker()->lock_window_;
 173 }
 174
 175 content::RenderViewHost* WebUIScreenLockerTester::RenderViewHost() const {
 176   return webui()->GetWebContents()->GetRenderViewHost();
 177 }
 178
 179 WebUIScreenLocker* WebUIScreenLockerTester::webui_screen_locker() const {
 180   DCHECK(ScreenLocker::screen_locker_);
 181   return static_cast<WebUIScreenLocker*>(
 182       ScreenLocker::screen_locker_->delegate_.get());
 183 }
 184
 185 content::WebUI* WebUIScreenLockerTester::webui() const {
 186   DCHECK(webui_screen_locker()->webui_ready_);
 187   content::WebUI* webui = webui_screen_locker()->GetWebUI();
 188   DCHECK(webui);
 189   return webui;
 190 }
 191
 192 ScreenLockerTester::ScreenLockerTester() {
 193 }
 194
 195 ScreenLockerTester::~ScreenLockerTester() {
 196 }
 197
 198 bool ScreenLockerTester::IsLocked() {
 199   return ScreenLocker::screen_locker_ &&
 200       ScreenLocker::screen_locker_->locked_;
 201 }
 202
 203 void ScreenLockerTester::InjectStubUserContext(
 204     const UserContext& user_context) {
 205   DCHECK(ScreenLocker::screen_locker_);
 206   ScreenLocker::screen_locker_->SetAuthenticator(
 207       new StubAuthenticator(ScreenLocker::screen_locker_, user_context));
 208   ScreenLocker::screen_locker_->extended_authenticator_ =
 209       new FakeExtendedAuthenticator(ScreenLocker::screen_locker_, user_context);
 210 }
 211
 212 }  // namespace test
 213
 214 test::ScreenLockerTester* ScreenLocker::GetTester() {
 215   return new test::WebUIScreenLockerTester();
 216 }
 217
 218 }  // namespace chromeos