src/chrome/browser/chrome_elf_init_unittest_win.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/chrome_elf_init_win.h"
   6
   7 #include "base/basictypes.h"
   8 #include "base/strings/string16.h"
   9 #include "base/strings/utf_string_conversions.h"
  10 #include "base/test/test_reg_util_win.h"
  11 #include "chrome/common/chrome_version_info.h"
  12 #include "chrome_elf/blacklist/blacklist.h"
  13 #include "testing/gtest/include/gtest/gtest.h"
  14
  15 class ChromeBlacklistTrialTest : public testing::Test {
  16  protected:
  17   ChromeBlacklistTrialTest() :
  18       blacklist_registry_key_(HKEY_CURRENT_USER,
  19                               blacklist::kRegistryBeaconPath,
  20                               KEY_QUERY_VALUE | KEY_SET_VALUE) {}
  21
  22   virtual void SetUp() OVERRIDE {
  23     testing::Test::SetUp();
  24
  25     registry_util::RegistryOverrideManager override_manager;
  26     override_manager.OverrideRegistry(HKEY_CURRENT_USER,
  27                                       L"browser_blacklist_test");
  28
  29
  30   }
  31
  32   DWORD GetBlacklistState() {
  33     DWORD blacklist_state = blacklist::BLACKLIST_STATE_MAX;
  34     blacklist_registry_key_.ReadValueDW(blacklist::kBeaconState,
  35                                         &blacklist_state);
  36
  37     return blacklist_state;
  38   }
  39
  40   base::string16 GetBlacklistVersion() {
  41     base::string16 blacklist_version;
  42     blacklist_registry_key_.ReadValue(blacklist::kBeaconVersion,
  43                                       &blacklist_version);
  44
  45     return blacklist_version;
  46   }
  47
  48   base::win::RegKey blacklist_registry_key_;
  49
  50  private:
  51   DISALLOW_COPY_AND_ASSIGN(ChromeBlacklistTrialTest);
  52 };
  53
  54
  55 // Ensure that the default trial deletes any existing blacklist beacons.
  56 TEST_F(ChromeBlacklistTrialTest, DefaultRun) {
  57   // Set some dummy values as beacons.
  58   blacklist_registry_key_.WriteValue(blacklist::kBeaconState,
  59                                      blacklist::BLACKLIST_ENABLED);
  60   blacklist_registry_key_.WriteValue(blacklist::kBeaconVersion, L"Data");
  61
  62   // This setup code should result in the default group, which should remove
  63   // all the beacon values.
  64   InitializeChromeElf();
  65
  66   // Ensure that invalid values are returned to indicate that the
  67   // beacon values are gone.
  68   ASSERT_EQ(blacklist::BLACKLIST_STATE_MAX, GetBlacklistState());
  69   ASSERT_EQ(base::string16(), GetBlacklistVersion());
  70 }
  71
  72 TEST_F(ChromeBlacklistTrialTest, VerifyFirstRun) {
  73   BrowserBlacklistBeaconSetup();
  74
  75   // Verify the state is properly set after the first run.
  76   ASSERT_EQ(blacklist::BLACKLIST_ENABLED, GetBlacklistState());
  77
  78   chrome::VersionInfo version_info;
  79   base::string16 version(base::UTF8ToUTF16(version_info.Version()));
  80   ASSERT_EQ(version, GetBlacklistVersion());
  81 }
  82
  83 TEST_F(ChromeBlacklistTrialTest, SetupFailed) {
  84   // Set the registry to indicate that the blacklist setup is running,
  85   // which means it failed to run correctly last time.
  86   blacklist_registry_key_.WriteValue(blacklist::kBeaconState,
  87                                      blacklist::BLACKLIST_SETUP_RUNNING);
  88
  89    BrowserBlacklistBeaconSetup();
  90
  91   // Since the blacklist setup failed, it should now be disabled.
  92   ASSERT_EQ(blacklist::BLACKLIST_DISABLED, GetBlacklistState());
  93 }
  94
  95 TEST_F(ChromeBlacklistTrialTest, VersionChanged) {
  96   // Mark the blacklist as disabled for an older version, so it should
  97   // get enabled for this new version.
  98   blacklist_registry_key_.WriteValue(blacklist::kBeaconVersion,
  99                                      L"old_version");
 100   blacklist_registry_key_.WriteValue(blacklist::kBeaconState,
 101                                      blacklist::BLACKLIST_DISABLED);
 102
 103   BrowserBlacklistBeaconSetup();
 104
 105   // The beacon should now be marked as enabled for the current version.
 106   ASSERT_EQ(blacklist::BLACKLIST_ENABLED, GetBlacklistState());
 107
 108   chrome::VersionInfo version_info;
 109   base::string16 expected_version(base::UTF8ToUTF16(version_info.Version()));
 110   ASSERT_EQ(expected_version, GetBlacklistVersion());
 111 }