@Test
  public void testShouldGetEndPointForNovaAndARegionNameForEssex() throws OpenStackException {

    OpenStackRegionImpl openStackRegion = new OpenStackRegionImpl();
    Client client = mock(Client.class);
    openStackRegion.setClient(client);
    SystemPropertiesProvider systemPropertiesProvider = mock(SystemPropertiesProvider.class);
    openStackRegion.setSystemPropertiesProvider(systemPropertiesProvider);

    String regionName = "RegionOne";
    String token = "123123232";
    String responseError =
        "{\n"
            + "    \"error\": {\n"
            + "        \"message\": \"The action you have requested has not been implemented.\",\n"
            + "        \"code\": 501,\n"
            + "        \"title\": null\n"
            + "    }\n"
            + "}";

    String url = "http://domain.com/v2.0/tokens/" + token + "/endpoints";
    String urlEssex = "http://domain.com/v2.0/tokens";

    WebTarget webResource = mock(WebTarget.class);
    WebTarget webResourceEssex = mock(WebTarget.class);
    Invocation.Builder builder = mock(Invocation.Builder.class);
    Invocation.Builder builderEssex = mock(Invocation.Builder.class);

    Response clientResponse = mock(Response.class);
    Response clientResponseEssex = mock(Response.class);

    // when
    when(systemPropertiesProvider.getProperty(SystemPropertiesProvider.KEYSTONE_URL))
        .thenReturn("http://domain.com/v2.0/");
    when(client.target(url)).thenReturn(webResource);
    when(webResource.request(MediaType.APPLICATION_JSON)).thenReturn(builder);
    when(builder.get()).thenReturn(clientResponse);
    when(clientResponse.getStatus()).thenReturn(501);
    when(clientResponse.readEntity(String.class)).thenReturn(responseError);

    when(client.target(urlEssex)).thenReturn(webResourceEssex);
    when(webResourceEssex.request(MediaType.APPLICATION_JSON)).thenReturn(builderEssex);
    when(builderEssex.accept(MediaType.APPLICATION_JSON)).thenReturn(builderEssex);
    when(builderEssex.header("Content-type", MediaType.APPLICATION_JSON)).thenReturn(builderEssex);
    when(builderEssex.post(Entity.entity(anyString(), MediaType.APPLICATION_JSON)))
        .thenReturn(clientResponseEssex);
    when(clientResponseEssex.getStatus()).thenReturn(200);
    when(clientResponseEssex.readEntity(String.class)).thenReturn(RESPONSE_ESSEX);

    String resultURL = openStackRegion.getNovaEndPoint(regionName, token);
    // then
    assertNotNull(resultURL);
    assertEquals("http://130.206.80.63:8774/v2/", resultURL);
  }
  @Test
  public void testShouldGetEndPointsForNovaAndARegionNameUsingCache() throws OpenStackException {
    // given

    String regionName = "RegionOne";
    String token = "123123232";

    RegionCache regionCache = new RegionCache();
    regionCache.putUrl("RegionOne", "compute", "http://130.206.80.58:8774/v2/12321312312312321");

    // when

    String resultURL = openStackRegion.getNovaEndPoint(regionName, token);
    // then
    assertNotNull(resultURL);
    assertEquals("http://130.206.80.58:8774/v2/", resultURL);
  }
  @Test
  public void testShouldGetEndPointsForNovaAndARegionName() throws OpenStackException {
    // given

    String regionName = "RegionOne";
    String token = "123123232";
    String responseJSON =
        "{\"endpoints_links\": [], \"endpoints\": [{\"name\": \"nova\", \"adminURL\": \"http://130.206.80.63:8774/v2/67c979f51c5b4e89b85c1f876bdffe31\", \"region\": \"RegionTestbed\", \"internalURL\": \"http://130.206.80.63:8774/v2/67c979f51c5b4e89b85c1f876bdffe31\", \"type\": \"compute\", \"id\": \"34bb28b56ce4434f8fc2b85ca16bbda6\", \"publicURL\": \"http://130.206.80.63:8774/v2/67c979f51c5b4e89b85c1f876bdffe31\"}, {\"name\": \"quantum\", \"adminURL\": \"http://130.206.80.63:8774/v2/67c979f51c5b4e89b85c1f876bdffe31\", \"region\": \"RegionTestbed\", \"internalURL\": \"http://130.206.80.63:8774/v2/67c979f51c5b4e89b85c1f876bdffe31\", \"type\": \"network\", \"id\": \"06fe0f86353441cdb5b0664fe5abf0ca\", \"publicURL\": \"http://130.206.80.63:8774/v2/67c979f51c5b4e89b85c1f876bdffe31\"}, {\"name\": \"nova\", \"adminURL\": \"http://130.206.80.58:8774/v2/67c979f51c5b4e89b85c1f876bdffe31\", \"region\": \"RegionOne\", \"internalURL\": \"http://130.206.80.58:8774/v2/67c979f51c5b4e89b85c1f876bdffe31\", \"type\": \"compute\", \"id\": \"0a3419563dcd4e02b8cd8c865a3bc2ed\", \"publicURL\": \"http://130.206.80.58:8774/v2/67c979f51c5b4e89b85c1f876bdffe31\"}, {\"name\": \"quantum\", \"adminURL\": \"http://130.206.80.58:9696/\", \"region\": \"RegionOne\", \"internalURL\": \"http://130.206.80.58:9696/\", \"type\": \"network\", \"id\": \"49d2f93d15904ff091f45b7752001057\", \"publicURL\": \"http://130.206.80.58:9696/\"}, {\"name\": \"glance\", \"adminURL\": \"http://130.206.80.58:9292/v2\", \"region\": \"RegionOne\", \"internalURL\": \"http://130.206.80.58:9292/v2\", \"type\": \"image\", \"id\": \"24b9ab9c337b4ee38548a8f2e73d291b\", \"publicURL\": \"http://130.206.80.58:9292/v2\"}, {\"name\": \"cinder\", \"adminURL\": \"http://130.206.80.58:8776/v1/67c979f51c5b4e89b85c1f876bdffe31\", \"region\": \"RegionOne\", \"internalURL\": \"http://130.206.80.58:8776/v1/67c979f51c5b4e89b85c1f876bdffe31\", \"type\": \"volume\", \"id\": \"4fd6f49485cc443d91d4e8b12b0518c5\", \"publicURL\": \"http://130.206.80.58:8776/v1/67c979f51c5b4e89b85c1f876bdffe31\"}, {\"name\": \"ec2\", \"adminURL\": \"http://130.206.80.58:8773/services/Admin\", \"region\": \"RegionOne\", \"internalURL\": \"http://130.206.80.58:8773/services/Cloud\", \"type\": \"ec2\", \"id\": \"0ca7cd26fad842e0b06a29f2c627fa43\", \"publicURL\": \"http://130.206.80.58:8773/services/Cloud\"}, {\"name\": \"keystone\", \"adminURL\": \"http://130.206.80.58:35357/v2.0\", \"region\": \"RegionOne\", \"internalURL\": \"http://130.206.80.58:5000/v2.0\", \"type\": \"identity\", \"id\": \"43c29c831357416c87f9068d95c73eca\", \"publicURL\": \"http://130.206.80.58:5000/v2.0\"}]}";

    // when
    when(systemPropertiesProvider.getProperty(SystemPropertiesProvider.KEYSTONE_URL))
        .thenReturn("http://domain.com/v2.0/");
    when(builder.get()).thenReturn(clientResponse);
    when(clientResponse.getStatus()).thenReturn(200);
    when(clientResponse.readEntity(String.class)).thenReturn(responseJSON);

    String resultURL = openStackRegion.getNovaEndPoint(regionName, token);
    // then
    assertNotNull(resultURL);
    assertEquals("http://130.206.80.58:8774/v2/", resultURL);
  }