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/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   ~CrashRestoreSimpleTest() override {}
  39
  40   void SetUpCommandLine(base::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   void SetUpInProcessBrowserTestFixture() override {
  48     // Redirect session_manager DBus calls to FakeSessionManagerClient.
  49     session_manager_client_ = new FakeSessionManagerClient;
  50     chromeos::DBusThreadManager::GetSetterForTesting()->SetSessionManagerClient(
  51         scoped_ptr<SessionManagerClient>(session_manager_client_));
  52     session_manager_client_->StartSession(kUserId1);
  53   }
  54
  55   FakeSessionManagerClient* session_manager_client_;
  56 };
  57
  58 IN_PROC_BROWSER_TEST_F(CrashRestoreSimpleTest, RestoreSessionForOneUser) {
  59   user_manager::UserManager* user_manager = user_manager::UserManager::Get();
  60   user_manager::User* user = user_manager->GetActiveUser();
  61   ASSERT_TRUE(user);
  62   EXPECT_EQ(kUserId1, user->email());
  63   EXPECT_EQ(CryptohomeClient::GetStubSanitizedUsername(kUserId1),
  64             user->username_hash());
  65   EXPECT_EQ(1UL, user_manager->GetLoggedInUsers().size());
  66 }
  67
  68 // Observer that keeps track of user sessions restore event.
  69 class UserSessionRestoreObserver : public UserSessionStateObserver {
  70  public:
  71   UserSessionRestoreObserver()
  72       : running_loop_(false),
  73         user_sessions_restored_(
  74             UserSessionManager::GetInstance()->UserSessionsRestored()) {
  75     if (!user_sessions_restored_)
  76       UserSessionManager::GetInstance()->AddSessionStateObserver(this);
  77   }
  78   ~UserSessionRestoreObserver() override {}
  79
  80   void PendingUserSessionsRestoreFinished() override {
  81     user_sessions_restored_ = true;
  82     UserSessionManager::GetInstance()->RemoveSessionStateObserver(this);
  83     if (!running_loop_)
  84       return;
  85
  86     message_loop_runner_->Quit();
  87     running_loop_ = false;
  88   }
  89
  90   // Wait until the user sessions are restored. If that happened between the
  91   // construction of this object and this call or even before it was created
  92   // then it returns immediately.
  93   void Wait() {
  94     if (user_sessions_restored_)
  95       return;
  96
  97     running_loop_ = true;
  98     message_loop_runner_ = new content::MessageLoopRunner();
  99     message_loop_runner_->Run();
 100   }
 101
 102  private:
 103   bool running_loop_;
 104   bool user_sessions_restored_;
 105   scoped_refptr<content::MessageLoopRunner> message_loop_runner_;
 106
 107   DISALLOW_COPY_AND_ASSIGN(UserSessionRestoreObserver);
 108 };
 109
 110 class CrashRestoreComplexTest : public CrashRestoreSimpleTest {
 111  protected:
 112   CrashRestoreComplexTest() {}
 113   ~CrashRestoreComplexTest() override {}
 114
 115   void SetUpInProcessBrowserTestFixture() override {
 116     CrashRestoreSimpleTest::SetUpInProcessBrowserTestFixture();
 117     session_manager_client_->StartSession(kUserId2);
 118     session_manager_client_->StartSession(kUserId3);
 119   }
 120 };
 121
 122 IN_PROC_BROWSER_TEST_F(CrashRestoreComplexTest, RestoreSessionForThreeUsers) {
 123   {
 124     UserSessionRestoreObserver restore_observer;
 125     restore_observer.Wait();
 126   }
 127
 128   DCHECK(UserSessionManager::GetInstance()->UserSessionsRestored());
 129
 130   // User that is last in the user sessions map becomes active. This behavior
 131   // will become better defined once each user gets a separate user desktop.
 132   user_manager::UserManager* user_manager = user_manager::UserManager::Get();
 133   user_manager::User* user = user_manager->GetActiveUser();
 134   ASSERT_TRUE(user);
 135   EXPECT_EQ(kUserId3, user->email());
 136   EXPECT_EQ(CryptohomeClient::GetStubSanitizedUsername(kUserId3),
 137             user->username_hash());
 138   const user_manager::UserList& users = user_manager->GetLoggedInUsers();
 139   ASSERT_EQ(3UL, users.size());
 140
 141   // User that becomes active moves to the beginning of the list.
 142   EXPECT_EQ(kUserId3, users[0]->email());
 143   EXPECT_EQ(CryptohomeClient::GetStubSanitizedUsername(kUserId3),
 144             users[0]->username_hash());
 145   EXPECT_EQ(kUserId2, users[1]->email());
 146   EXPECT_EQ(CryptohomeClient::GetStubSanitizedUsername(kUserId2),
 147             users[1]->username_hash());
 148   EXPECT_EQ(kUserId1, users[2]->email());
 149   EXPECT_EQ(CryptohomeClient::GetStubSanitizedUsername(kUserId1),
 150             users[2]->username_hash());
 151 }
 152
 153 }  // namespace chromeos