src/chrome/browser/ui/ash/session_state_delegate_chromeos_unittest.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 "chrome/browser/ui/ash/session_state_delegate_chromeos.h"
   6
   7 #include <string>
   8 #include <vector>
   9
  10 #include "chrome/browser/chromeos/login/fake_user_manager.h"
  11 #include "chrome/test/base/testing_profile_manager.h"
  12 #include "testing/gtest/include/gtest/gtest.h"
  13
  14
  15 class SessionStateDelegateChromeOSTest : public testing::Test {
  16  protected:
  17   SessionStateDelegateChromeOSTest() : user_manager_(NULL) {
  18   }
  19
  20   virtual ~SessionStateDelegateChromeOSTest() {
  21   }
  22
  23   virtual void SetUp() OVERRIDE {
  24     // Initialize the UserManager singleton to a fresh FakeUserManager instance.
  25     user_manager_ = new chromeos::FakeUserManager;
  26     user_manager_enabler_.reset(
  27         new chromeos::ScopedUserManagerEnabler(user_manager_));
  28
  29     // Create our SessionStateDelegate to experiment with.
  30     session_state_delegate_.reset(new SessionStateDelegateChromeos());
  31     testing::Test::SetUp();
  32   }
  33
  34   virtual void TearDown() OVERRIDE {
  35     testing::Test::TearDown();
  36     session_state_delegate_.reset();
  37     user_manager_enabler_.reset();
  38     user_manager_ = NULL;
  39   }
  40
  41   // Add and log in a user to the session.
  42   void UserAddedToSession(std::string user) {
  43     user_manager()->AddUser(user);
  44     user_manager()->LoginUser(user);
  45   }
  46
  47   // Get the active user.
  48   const std::string& GetActiveUser() {
  49     return chromeos::UserManager::Get()->GetActiveUser()->email();
  50   }
  51
  52   chromeos::FakeUserManager* user_manager() { return user_manager_; }
  53   SessionStateDelegateChromeos* session_state_delegate() {
  54     return session_state_delegate_.get();
  55   }
  56
  57  private:
  58   scoped_ptr<chromeos::ScopedUserManagerEnabler> user_manager_enabler_;
  59   scoped_ptr<SessionStateDelegateChromeos> session_state_delegate_;
  60
  61   // Not owned.
  62   chromeos::FakeUserManager* user_manager_;
  63
  64   DISALLOW_COPY_AND_ASSIGN(SessionStateDelegateChromeOSTest);
  65 };
  66
  67 // Make sure that cycling one user does not cause any harm.
  68 TEST_F(SessionStateDelegateChromeOSTest, CyclingOneUser) {
  69   UserAddedToSession("firstuser@test.com");
  70
  71   EXPECT_EQ("firstuser@test.com", GetActiveUser());
  72   session_state_delegate()->CycleActiveUser(
  73       ash::SessionStateDelegate::CYCLE_TO_NEXT_USER);
  74   EXPECT_EQ("firstuser@test.com", GetActiveUser());
  75   session_state_delegate()->CycleActiveUser(
  76       ash::SessionStateDelegate::CYCLE_TO_PREVIOUS_USER);
  77   EXPECT_EQ("firstuser@test.com", GetActiveUser());
  78 }
  79
  80 // Cycle three users forwards and backwards to see that it works.
  81 TEST_F(SessionStateDelegateChromeOSTest, CyclingThreeUsers) {
  82   UserAddedToSession("firstuser@test.com");
  83   UserAddedToSession("seconduser@test.com");
  84   UserAddedToSession("thirduser@test.com");
  85   const ash::SessionStateDelegate::CycleUser forward =
  86       ash::SessionStateDelegate::CYCLE_TO_NEXT_USER;
  87
  88   // Cycle forward.
  89   EXPECT_EQ("firstuser@test.com", GetActiveUser());
  90   session_state_delegate()->CycleActiveUser(forward);
  91   EXPECT_EQ("seconduser@test.com", GetActiveUser());
  92   session_state_delegate()->CycleActiveUser(forward);
  93   EXPECT_EQ("thirduser@test.com", GetActiveUser());
  94   session_state_delegate()->CycleActiveUser(forward);
  95   EXPECT_EQ("firstuser@test.com", GetActiveUser());
  96
  97   // Cycle backwards.
  98   const ash::SessionStateDelegate::CycleUser backward =
  99       ash::SessionStateDelegate::CYCLE_TO_PREVIOUS_USER;
 100   session_state_delegate()->CycleActiveUser(backward);
 101   EXPECT_EQ("thirduser@test.com", GetActiveUser());
 102   session_state_delegate()->CycleActiveUser(backward);
 103   EXPECT_EQ("seconduser@test.com", GetActiveUser());
 104   session_state_delegate()->CycleActiveUser(backward);
 105   EXPECT_EQ("firstuser@test.com", GetActiveUser());
 106 }