@Before
  public void setUp() throws Exception {
    repository = mock(IUnifiedRepository.class);

    session = mock(IPentahoSession.class);
    when(session.getName()).thenReturn("test");
    PentahoSessionHolder.setSession(session);

    userSettings =
        new HashMap<String, Serializable>() {
          {
            put(USER_SETTING_NAME_1, USER_SETTING_VALUE_1);
            put(UserSettingService.SETTING_PREFIX + COMMON_SETTING_NAME, COMMON_USER_SETTING_VALUE);
            put(USER_SETTING_NAME_2, USER_SETTING_VALUE_2);
            put(UserSettingService.SETTING_PREFIX + USER_SETTING_NAME_3, USER_SETTING_VALUE_3);
          }
        };
    globalSettings =
        new HashMap<String, Serializable>() {
          {
            put(GLOBAL_SETTING_NAME_1, GLOBAL_SETTING_VALUE_1);
            put(
                UserSettingService.SETTING_PREFIX + COMMON_SETTING_NAME,
                COMMON_GLOBAL_SETTING_VALUE);
            put(GLOBAL_SETTING_NAME_2, GLOBAL_SETTING_VALUE_2);
            put(UserSettingService.SETTING_PREFIX + GLOBAL_SETTING_NAME_3, GLOBAL_SETTING_VALUE_3);
          }
        };

    when(repository.getFileMetadata(eq(USER_FOLDER_ID))).thenReturn(userSettings);
    when(repository.getFileMetadata(eq(TENANT_FOLDER_ID))).thenReturn(globalSettings);

    final RepositoryFile tenantRepositoryFile = mock(RepositoryFile.class);
    when(tenantRepositoryFile.getId()).thenReturn(TENANT_FOLDER_ID);
    when(repository.getFile(eq(ClientRepositoryPaths.getEtcFolderPath())))
        .thenReturn(tenantRepositoryFile);

    final RepositoryFile userRepositoryFile = mock(RepositoryFile.class);
    when(userRepositoryFile.getId()).thenReturn(USER_FOLDER_ID);
    when(repository.getFile(eq(ClientRepositoryPaths.getUserHomeFolderPath(session.getName()))))
        .thenReturn(userRepositoryFile);

    securityHelper = mock(ISecurityHelper.class);
    when(securityHelper.runAsSystem(any(Callable.class)))
        .thenAnswer(
            new Answer<Object>() {
              @Override
              public Object answer(InvocationOnMock invocation) throws Throwable {
                final Callable callable = (Callable) invocation.getArguments()[0];
                if (callable != null) {
                  return callable.call();
                }
                return null;
              }
            });
    SecurityHelper.setMockInstance(securityHelper);

    userSettingService = new UserSettingService(repository);
    userSettingService.init(session);
  }
  @Test
  public void testSetGlobalUserSettingNonAdmin() throws Exception {
    final String settingName = "settingName";
    final String settingValue = "settingValue";

    when(securityHelper.isPentahoAdministrator(eq(session))).thenReturn(false);

    assertEquals(4, globalSettings.size());
    userSettingService.setGlobalUserSetting(settingName, settingValue);
    assertEquals(4, globalSettings.size());
  }
  @Test
  public void testSetGlobalUserSettingAdmin() throws Exception {
    final String settingName = "settingName";
    final String settingValue = "settingValue";

    when(securityHelper.isPentahoAdministrator(eq(session))).thenReturn(true);

    assertEquals(4, globalSettings.size());
    userSettingService.setGlobalUserSetting(settingName, settingValue);
    assertEquals(5, globalSettings.size());

    verify(repository).setFileMetadata(eq(TENANT_FOLDER_ID), anyMap());
  }