Componentize LoginManagerTest.

chrome/browser/chromeos/login/login_manager_test_helper.h

Index: chrome/browser/chromeos/login/login_manager_test_helper.h
diff --git a/chrome/browser/chromeos/login/login_manager_test_helper.h b/chrome/browser/chromeos/login/login_manager_test_helper.h
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+++ b/chrome/browser/chromeos/login/login_manager_test_helper.h
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+// Copyright 2014 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_HELPER_H_
+#define CHROME_BROWSER_CHROMEOS_LOGIN_LOGIN_MANAGER_TEST_HELPER_H_
+
+#include <string>
+
+#include "base/compiler_specific.h"
+#include "base/macros.h"
+#include "chrome/browser/chromeos/login/mock_login_utils.h"
+
+namespace chromeos {
+
+// Helper class for Chrome OS multi-user browser tests. Provides mock login
+// utils. Tests may subclass LoginManagerTest or use this helper directly.
+// If no special configuration is done launches out-of-box WebUI.
+// To launch login UI use a 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 LoginManagerTestHelper {
+ public:
+  LoginManagerTestHelper();
+  ~LoginManagerTestHelper();
+
+  // Adds flags for LoginManager and multi-profiles.
+  void SetUpCommandLine(base::CommandLine* command_line);
+
+  // Creates the mock login utils.
+  void SetUpLoginUtils(bool should_launch_browser);
+
+  // Waits for NOTIFICATION_LOGIN_OR_LOCK_WEBUI_VISIBLE.
+  void WaitForLoginWebUI();
+
+  void CloseLoginWebUI();
+
+  // 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);
+
+  // Sets expected credentials for next login attempt.
+  void SetExpectedCredentials(const std::string& username,
+                              const std::string& password);
+
+  // Tries to log in with |username| and |password|. Returns false if attempt
+  // has failed.
+  bool TryToLogIn(const std::string& username, const std::string& password);
+
+  // 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 the new user became the active user.
+  bool AddUserToSession(const std::string& username,
+                        const std::string& password);
+
+  // Logs in user with |username|. User should be registered with
+  // RegisterUser().
+  void LogInUser(const std::string& username);
+
+  // Adds user with |username| to session.
+  void AddUser(const std::string& username);
+
+  MockLoginUtils& mock_login_utils() { return *mock_login_utils_; }
+
+ private:
+  MockLoginUtils* mock_login_utils_;
+  bool web_ui_visible_;
+
+  DISALLOW_COPY_AND_ASSIGN(LoginManagerTestHelper);
+};
+
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_LOGIN_MANAGER_TEST_HELPER_H_