src/chrome/browser/chromeos/login/crash_restore_browsertest.cc

   1 // Copyright 2013 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 <string>
   6 #include <vector>
   7
   8 #include "base/command_line.h"
   9 #include "base/memory/ref_counted.h"
  10 #include "base/run_loop.h"
  11 #include "chrome/browser/chromeos/login/session/user_session_manager.h"
  12 #include "chrome/test/base/in_process_browser_test.h"
  13 #include "chromeos/chromeos_switches.h"
  14 #include "chromeos/dbus/cryptohome_client.h"
  15 #include "chromeos/dbus/fake_dbus_thread_manager.h"
  16 #include "chromeos/dbus/fake_session_manager_client.h"
  17 #include "chromeos/dbus/session_manager_client.h"
  18 #include "components/user_manager/user.h"
  19 #include "components/user_manager/user_manager.h"
  20 #include "content/public/test/test_utils.h"
  21 #include "testing/gmock/include/gmock/gmock.h"
  22 #include "third_party/cros_system_api/dbus/service_constants.h"
  23
  24 namespace chromeos {
  25
  26 namespace {
  27
  28 const char kUserId1[] = "user1@example.com";
  29 const char kUserId2[] = "user2@example.com";
  30 const char kUserId3[] = "user3@example.com";
  31
  32 }  // namespace
  33
  34 class CrashRestoreSimpleTest : public InProcessBrowserTest {
  35  protected:
  36   CrashRestoreSimpleTest() {}
  37
  38   virtual ~CrashRestoreSimpleTest() {}
  39
  40   virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
  41     command_line->AppendSwitchASCII(switches::kLoginUser, kUserId1);
  42     command_line->AppendSwitchASCII(
  43         switches::kLoginProfile,
  44         CryptohomeClient::GetStubSanitizedUsername(kUserId1));
  45   }
  46
  47   virtual void SetUpInProcessBrowserTestFixture() OVERRIDE {
  48     // Redirect session_manager DBus calls to FakeSessionManagerClient.
  49     FakeDBusThreadManager* dbus_thread_manager = new FakeDBusThreadManager;
  50     dbus_thread_manager->SetFakeClients();
  51     session_manager_client_ = new FakeSessionManagerClient;
  52     dbus_thread_manager->SetSessionManagerClient(
  53         scoped_ptr<SessionManagerClient>(session_manager_client_));
  54     DBusThreadManager::SetInstanceForTesting(dbus_thread_manager);
  55     session_manager_client_->StartSession(kUserId1);
  56   }
  57
  58   FakeSessionManagerClient* session_manager_client_;
  59 };
  60
  61 IN_PROC_BROWSER_TEST_F(CrashRestoreSimpleTest, RestoreSessionForOneUser) {
  62   user_manager::UserManager* user_manager = user_manager::UserManager::Get();
  63   user_manager::User* user = user_manager->GetActiveUser();
  64   ASSERT_TRUE(user);
  65   EXPECT_EQ(kUserId1, user->email());
  66   EXPECT_EQ(CryptohomeClient::GetStubSanitizedUsername(kUserId1),
  67             user->username_hash());
  68   EXPECT_EQ(1UL, user_manager->GetLoggedInUsers().size());
  69 }
  70
  71 // Observer that keeps track of user sessions restore event.
  72 class UserSessionRestoreObserver : public UserSessionStateObserver {
  73  public:
  74   UserSessionRestoreObserver()
  75       : running_loop_(false),
  76         user_sessions_restored_(
  77             UserSessionManager::GetInstance()->UserSessionsRestored()) {
  78     if (!user_sessions_restored_)
  79       UserSessionManager::GetInstance()->AddSessionStateObserver(this);
  80   }
  81   virtual ~UserSessionRestoreObserver() {}
  82
  83   virtual void PendingUserSessionsRestoreFinished() OVERRIDE {
  84     user_sessions_restored_ = true;
  85     UserSessionManager::GetInstance()->RemoveSessionStateObserver(this);
  86     if (!running_loop_)
  87       return;
  88
  89     message_loop_runner_->Quit();
  90     running_loop_ = false;
  91   }
  92
  93   // Wait until the user sessions are restored. If that happened between the
  94   // construction of this object and this call or even before it was created
  95   // then it returns immediately.
  96   void Wait() {
  97     if (user_sessions_restored_)
  98       return;
  99
 100     running_loop_ = true;
 101     message_loop_runner_ = new content::MessageLoopRunner();
 102     message_loop_runner_->Run();
 103   }
 104
 105  private:
 106   bool running_loop_;
 107   bool user_sessions_restored_;
 108   scoped_refptr<content::MessageLoopRunner> message_loop_runner_;
 109
 110   DISALLOW_COPY_AND_ASSIGN(UserSessionRestoreObserver);
 111 };
 112
 113 class CrashRestoreComplexTest : public CrashRestoreSimpleTest {
 114  protected:
 115   CrashRestoreComplexTest() {}
 116   virtual ~CrashRestoreComplexTest() {}
 117
 118   virtual void SetUpInProcessBrowserTestFixture() OVERRIDE {
 119     CrashRestoreSimpleTest::SetUpInProcessBrowserTestFixture();
 120     session_manager_client_->StartSession(kUserId2);
 121     session_manager_client_->StartSession(kUserId3);
 122   }
 123 };
 124
 125 IN_PROC_BROWSER_TEST_F(CrashRestoreComplexTest, RestoreSessionForThreeUsers) {
 126   {
 127     UserSessionRestoreObserver restore_observer;
 128     restore_observer.Wait();
 129   }
 130
 131   DCHECK(UserSessionManager::GetInstance()->UserSessionsRestored());
 132
 133   // User that is last in the user sessions map becomes active. This behavior
 134   // will become better defined once each user gets a separate user desktop.
 135   user_manager::UserManager* user_manager = user_manager::UserManager::Get();
 136   user_manager::User* user = user_manager->GetActiveUser();
 137   ASSERT_TRUE(user);
 138   EXPECT_EQ(kUserId3, user->email());
 139   EXPECT_EQ(CryptohomeClient::GetStubSanitizedUsername(kUserId3),
 140             user->username_hash());
 141   const user_manager::UserList& users = user_manager->GetLoggedInUsers();
 142   ASSERT_EQ(3UL, users.size());
 143
 144   // User that becomes active moves to the beginning of the list.
 145   EXPECT_EQ(kUserId3, users[0]->email());
 146   EXPECT_EQ(CryptohomeClient::GetStubSanitizedUsername(kUserId3),
 147             users[0]->username_hash());
 148   EXPECT_EQ(kUserId2, users[1]->email());
 149   EXPECT_EQ(CryptohomeClient::GetStubSanitizedUsername(kUserId2),
 150             users[1]->username_hash());
 151   EXPECT_EQ(kUserId1, users[2]->email());
 152   EXPECT_EQ(CryptohomeClient::GetStubSanitizedUsername(kUserId1),
 153             users[2]->username_hash());
 154 }
 155
 156 }  // namespace chromeos