@Test
  public void testParseNameServices() throws Exception {
    Map<String, String> hdfsSiteConfigMap =
      new HashMap<>();
    hdfsSiteConfigMap.put("dfs.nameservices", "serviceOne");

    // verify that a dfs.internal.nameservices parsing falls back to dfs.nameservices
    String[] result = BlueprintConfigurationProcessor.parseNameServices(hdfsSiteConfigMap);

    assertNotNull("Resulting array was null",
      result);
    assertEquals("Incorrect array size",
      1, result.length);
    assertEquals("Incorrect value for returned name service",
      "serviceOne", result[0]);

    hdfsSiteConfigMap.put("dfs.internal.nameservices", "serviceTwo");

    // verify that a single service is parsed correctly
    result = BlueprintConfigurationProcessor.parseNameServices(hdfsSiteConfigMap);

    assertNotNull("Resulting array was null",
      result);
    assertEquals("Incorrect array size",
      1, result.length);
    assertEquals("Incorrect value for returned name service",
      "serviceTwo", result[0]);

    // verify that multiple services are parsed correctly
    hdfsSiteConfigMap.put("dfs.internal.nameservices", " serviceTwo, serviceThree, serviceFour");

    String[] resultTwo = BlueprintConfigurationProcessor.parseNameServices(hdfsSiteConfigMap);

    assertNotNull("Resulting array was null",
      resultTwo);
    assertEquals("Incorrect array size",
      3, resultTwo.length);
    assertEquals("Incorrect value for returned name service",
      "serviceTwo", resultTwo[0]);
    assertEquals("Incorrect value for returned name service",
      "serviceThree", resultTwo[1]);
    assertEquals("Incorrect value for returned name service",
      "serviceFour", resultTwo[2]);
  }
There is no support currently for deploying a fully Kerberized
cluster with Blueprints.  This test verifies the current treatment
of Kerberos-related properties in a Blueprint export.

@throws Exception
ambari-server/src/test/java/org/apache/ambari/server/controller/internal/BlueprintConfigurationProcessorTest.java