source: class EurekaSyncToNacosServiceImplTest {
  
      public static final String TEST_SOURCE_CLUSTER_ID;
      public static final String TEST_DEST_CLUSTER_ID;
      public static final String TEST_TASK_ID;
      @Mock
      private NacosServerHolder nacosServerHolder;
      @Mock
      private EurekaServerHolder eurekaServerHolder;
      @Mock
      private EurekaNamingService eurekaNamingService;
      @Mock
      private NamingService destNamingService;
      @Mock
      private SkyWalkerCacheServices skyWalkerCacheServices;
      @Mock
      private SpecialSyncEventBus specialSyncEventBus;
      @InjectMocks
      @Spy
      private EurekaSyncToNacosServiceImpl eurekaSyncToNacosService;
  
      @Test(expected = Exception.class)
      public void testEurekaDeleteToNacosWithException() throws Exception {
  
target:         Assert.assertFalse(eurekaSyncToNacosService.delete(null));
      }
  
  }