LoginManagerTest with exchangable base (prototype).

chrome/browser/chromeos/login/login_manager_test.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_LOGIN_LOGIN_MANAGER_TEST_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_LOGIN_MANAGER_TEST_H_
 
 #include "chrome/browser/chromeos/login/mock_login_utils.h"
 #include "chrome/browser/chromeos/login/test/js_checker.h"
 #include "chrome/test/base/in_process_browser_test.h"
+#include "chrome/browser/chromeos/login/login_display_host_impl.h"
+#include "base/prefs/scoped_user_pref_update.h"
+#include "chrome/browser/browser_process.h"
+#include "chrome/browser/chrome_notification_types.h"
+#include "chrome/browser/chromeos/login/existing_user_controller.h"
+#include "chrome/browser/chromeos/login/user_manager.h"
+#include "chrome/browser/chromeos/login/webui_login_view.h"
+#include "chrome/common/chrome_switches.h"
+#include "chromeos/chromeos_switches.h"
+#include "content/public/browser/notification_service.h"
+#include "content/public/browser/web_contents.h"
+#include "content/public/test/browser_test_utils.h"
+#include "content/public/test/test_utils.h"
+#include "testing/gtest/include/gtest/gtest.h"
 
 namespace content {
 class WebContents;
 }  // namespace content
 
 namespace chromeos {
 
 // Base class for Chrome OS out-of-box/login WebUI tests.
 // If no special configuration is done launches out-of-box WebUI.
 // To launch login UI use PRE_* test that will register user(s) and mark
 // out-of-box as completed.
 // Guarantees that WebUI has been initialized by waiting for
 // NOTIFICATION_LOGIN_OR_LOCK_WEBUI_VISIBLE notification.
-class LoginManagerTest : public InProcessBrowserTest {
+template <typename Base>
+class LoginManagerTestProxy : public Base {
  public:
-  explicit LoginManagerTest(bool should_launch_browser);
+  explicit LoginManagerTestProxy(bool should_launch_browser)
+    : should_launch_browser_(should_launch_browser),
+      web_contents_(NULL) {
+    Base::set_exit_when_last_browser_closes(false);
+  }
 
   // Overriden from InProcessBrowserTest.
-  virtual void CleanUpOnMainThread() OVERRIDE;
-  virtual void SetUpCommandLine(base::CommandLine* command_line) OVERRIDE;
-  virtual void SetUpInProcessBrowserTestFixture() OVERRIDE;
-  virtual void SetUpOnMainThread() OVERRIDE;
+  virtual void CleanUpOnMainThread() OVERRIDE {
+    if (LoginDisplayHostImpl::default_host())
+      LoginDisplayHostImpl::default_host()->Finalize();
+    base::MessageLoop::current()->RunUntilIdle();
+    Base::CleanUpOnMainThread();
+  }
+
+  virtual void SetUpCommandLine(base::CommandLine* command_line) OVERRIDE {
+    Base::SetUpCommandLine(command_line);
+    command_line->AppendSwitch(chromeos::switches::kLoginManager);
+    command_line->AppendSwitch(chromeos::switches::kForceLoginManagerInTests);
+    command_line->AppendSwitch(::switches::kMultiProfiles);
+  }
+
+  virtual void SetUpInProcessBrowserTestFixture() OVERRIDE {
+    Base::SetUpInProcessBrowserTestFixture();
+    mock_login_utils_ = new testing::NiceMock<MockLoginUtils>();
+    mock_login_utils_->DelegateToFake();
+    mock_login_utils_->GetFakeLoginUtils()->set_should_launch_browser(
+        should_launch_browser_);
+    LoginUtils::Set(mock_login_utils_);
+  }
+
+  virtual void SetUpOnMainThread() OVERRIDE {
+    Base::SetUpOnMainThread();
+    content::WindowedNotificationObserver(
+        chrome::NOTIFICATION_LOGIN_OR_LOCK_WEBUI_VISIBLE,
+        content::NotificationService::AllSources()).Wait();
+    InitializeWebContents();
+  }
 
   // Registers user with given |username| on device.
   // Should be called in PRE_* test.
   // TODO(dzhioev): add ability to register users without PRE_* test.
-  void RegisterUser(const std::string& username);
+  void RegisterUser(const std::string& username) {
+    ListPrefUpdate users_pref(g_browser_process->local_state(), "LoggedInUsers");
+    users_pref->AppendIfNotPresent(new base::StringValue(username));
+  }
 
   // Set expected credentials for next login attempt.
   void SetExpectedCredentials(const std::string& username,
-                              const std::string& password);
+                              const std::string& password) {
+    login_utils().GetFakeLoginUtils()->SetExpectedCredentials(username, password);
+  }
 
   // Tries to login with |username| and |password|. Returns false if attempt
   // has failed.
-  bool TryToLogin(const std::string& username, const std::string& password);
+  bool TryToLogin(const std::string& username, const std::string& password) {
+    if (!AddUserTosession(username, password))
+      return false;
+    if (const User* active_user = UserManager::Get()->GetActiveUser())
+      return active_user->email() == username;
+    return false;
+  }
 
   // Tries to add user to session with |username| and |password|. Returns false
   // if attempt has failed. this function does the same as TryToLogin but
   // doesn't check that new user become active user.
   bool AddUserTosession(const std::string& username,
-                        const std::string& password);
+                        const std::string& password) {
+    ExistingUserController* controller =
+        ExistingUserController::current_controller();
+    if (!controller) {
+      ADD_FAILURE();
+      return false;
+    }
+    controller->Login(UserContext(username, password, std::string()));
+    content::WindowedNotificationObserver(
+        chrome::NOTIFICATION_SESSION_STARTED,
+        content::NotificationService::AllSources()).Wait();
+    const UserList& logged_users = UserManager::Get()->GetLoggedInUsers();
+    for (UserList::const_iterator it = logged_users.begin();
+         it != logged_users.end(); ++it) {
+      if ((*it)->email() == username)
+        return true;
+    }
+    return false;
+  }
 
   // Login user with |username|. User should be registered using RegisterUser().
-  void LoginUser(const std::string& username);
+  void LoginUser(const std::string& username) {
+    SetExpectedCredentials(username, "password");
+    EXPECT_TRUE(TryToLogin(username, "password"));
+  }
 
   // Add user with |username| to session.
-  void AddUser(const std::string& username);
+  void AddUser(const std::string& username) {
+    SetExpectedCredentials(username, "password");
+    EXPECT_TRUE(AddUserTosession(username, "password"));
+  }
 
   // Executes given JS |expression| in |web_contents_| and checks
   // that it is true.
-  void JSExpect(const std::string& expression);
+  void JSExpect(const std::string& expression) {
+    js_checker_.ExpectTrue(expression);
+  }
 
   MockLoginUtils& login_utils() { return *mock_login_utils_; }
 
   content::WebContents* web_contents() { return web_contents_; }
 
  private:
-  void InitializeWebContents();
+  void InitializeWebContents() {
+    LoginDisplayHost* host = LoginDisplayHostImpl::default_host();
+    EXPECT_TRUE(host != NULL);
+
+    content::WebContents* web_contents =
+        host->GetWebUILoginView()->GetWebContents();
+    EXPECT_TRUE(web_contents != NULL);
+    set_web_contents(web_contents);
+    js_checker_.set_web_contents(web_contents);
+  }
 
   void set_web_contents(content::WebContents* web_contents) {
     web_contents_ = web_contents;
   }
 
   MockLoginUtils* mock_login_utils_;
   bool should_launch_browser_;
   content::WebContents* web_contents_;
   test::JSChecker js_checker_;
 
-  DISALLOW_COPY_AND_ASSIGN(LoginManagerTest);
+  DISALLOW_COPY_AND_ASSIGN(LoginManagerTestProxy);
 };
 
+typedef LoginManagerTestProxy<InProcessBrowserTest> LoginManagerTest;
+typedef LoginManagerTestProxy<WebUIBrowserTest> LoginManagerWebUITest;
+
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_LOGIN_MANAGER_TEST_H_