chrome/browser/sync/backup_rollback_controller_unittest.cc

   1 // Copyright 2014 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/sync/backup_rollback_controller.h"
   6
   7 #include "base/command_line.h"
   8 #include "base/location.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "base/run_loop.h"
  11 #include "base/single_thread_task_runner.h"
  12 #include "components/sync_driver/signin_manager_wrapper.h"
  13 #include "components/sync_driver/sync_driver_switches.h"
  14 #include "components/sync_driver/sync_prefs.h"
  15 #include "testing/gmock/include/gmock/gmock.h"
  16 #include "testing/gtest/include/gtest/gtest.h"
  17
  18 using ::testing::Return;
  19
  20 namespace {
  21
  22 #if defined(ENABLE_PRE_SYNC_BACKUP)
  23
  24 class MockSigninManagerWrapper : public SigninManagerWrapper {
  25  public:
  26   MockSigninManagerWrapper() : SigninManagerWrapper(NULL) {}
  27
  28   MOCK_CONST_METHOD0(GetEffectiveUsername, std::string());
  29 };
  30
  31 class FakeSyncPrefs : public sync_driver::SyncPrefs {
  32  public:
  33   FakeSyncPrefs() : rollback_tries_left_(0) {}
  34
  35   int GetRemainingRollbackTries() const override {
  36     return rollback_tries_left_;
  37   }
  38
  39   void SetRemainingRollbackTries(int v) override { rollback_tries_left_ = v; }
  40
  41  private:
  42   int rollback_tries_left_;
  43 };
  44
  45 class BackupRollbackControllerTest : public testing::Test {
  46  public:
  47   void ControllerCallback(bool start_backup) {
  48     if (start_backup)
  49       backup_started_ = true;
  50     else
  51       rollback_started_ = true;
  52   }
  53
  54  protected:
  55   void SetUp() override {
  56     backup_started_ = false;
  57     rollback_started_ = false;
  58
  59     EXPECT_CALL(signin_wrapper_, GetEffectiveUsername())
  60         .WillRepeatedly(Return(""));
  61
  62     controller_.reset(new browser_sync::BackupRollbackController(
  63         &fake_prefs_, &signin_wrapper_,
  64         base::Bind(&BackupRollbackControllerTest::ControllerCallback,
  65                    base::Unretained(this), true),
  66         base::Bind(&BackupRollbackControllerTest::ControllerCallback,
  67                    base::Unretained(this), false)));
  68   }
  69
  70   void PumpLoop() {
  71     base::RunLoop run_loop;
  72     loop_.task_runner()->PostTask(FROM_HERE, run_loop.QuitClosure());
  73     run_loop.Run();
  74   }
  75
  76   MockSigninManagerWrapper signin_wrapper_;
  77   FakeSyncPrefs fake_prefs_;
  78   scoped_ptr<browser_sync::BackupRollbackController> controller_;
  79   bool backup_started_;
  80   bool rollback_started_;
  81   base::MessageLoop loop_;
  82 };
  83
  84 TEST_F(BackupRollbackControllerTest, StartBackup) {
  85   EXPECT_TRUE(controller_->StartBackup());
  86   PumpLoop();
  87   EXPECT_TRUE(backup_started_);
  88 }
  89
  90 TEST_F(BackupRollbackControllerTest, NoBackupIfDisabled) {
  91   base::CommandLine::ForCurrentProcess()->AppendSwitch(
  92       switches::kSyncDisableBackup);
  93
  94   base::RunLoop run_loop;
  95   EXPECT_FALSE(controller_->StartBackup());
  96   loop_.task_runner()->PostTask(FROM_HERE, run_loop.QuitClosure());
  97   run_loop.Run();
  98   EXPECT_FALSE(backup_started_);
  99 }
 100
 101 TEST_F(BackupRollbackControllerTest, StartRollback) {
 102   fake_prefs_.SetRemainingRollbackTries(1);
 103
 104   EXPECT_TRUE(controller_->StartRollback());
 105   PumpLoop();
 106   EXPECT_TRUE(rollback_started_);
 107   EXPECT_EQ(0, fake_prefs_.GetRemainingRollbackTries());
 108 }
 109
 110 TEST_F(BackupRollbackControllerTest, NoRollbackIfOutOfTries) {
 111   fake_prefs_.SetRemainingRollbackTries(0);
 112
 113   EXPECT_FALSE(controller_->StartRollback());
 114   PumpLoop();
 115   EXPECT_FALSE(rollback_started_);
 116 }
 117
 118 TEST_F(BackupRollbackControllerTest, NoRollbackIfUserSignedIn) {
 119   fake_prefs_.SetRemainingRollbackTries(1);
 120   EXPECT_CALL(signin_wrapper_, GetEffectiveUsername())
 121       .Times(1)
 122       .WillOnce(Return("test"));
 123   EXPECT_FALSE(controller_->StartRollback());
 124   EXPECT_EQ(0, fake_prefs_.GetRemainingRollbackTries());
 125
 126   PumpLoop();
 127   EXPECT_FALSE(backup_started_);
 128   EXPECT_FALSE(rollback_started_);
 129 }
 130
 131 TEST_F(BackupRollbackControllerTest, NoRollbackIfDisabled) {
 132   fake_prefs_.SetRemainingRollbackTries(1);
 133
 134   base::CommandLine::ForCurrentProcess()->AppendSwitch(
 135       switches::kSyncDisableRollback);
 136   EXPECT_FALSE(controller_->StartRollback());
 137   EXPECT_EQ(0, fake_prefs_.GetRemainingRollbackTries());
 138
 139   PumpLoop();
 140   EXPECT_FALSE(rollback_started_);
 141 }
 142
 143 #endif
 144
 145 }  // anonymous namespace
 146