How to use

TestUserGroupInformation$DummyLoginConfiguration

in

org.apache.hadoop.security

/** configure ugi */
@BeforeClass
public static void setup() {
 javax.security.auth.login.Configuration.setConfiguration(
   new DummyLoginConfiguration());
 // doesn't matter what it is, but getGroups needs it set...
 // use HADOOP_HOME environment variable to prevent interfering with logic
 // that finds winutils.exe
 String home = System.getenv("HADOOP_HOME");
 System.setProperty("hadoop.home.dir", (home != null ? home : "."));
 // fake the realm is kerberos is enabled
 System.setProperty("java.security.krb5.kdc", "");
 System.setProperty("java.security.krb5.realm", "DEFAULT.REALM");
}

/** configure ugi */
@BeforeClass
public static void setup() {
 javax.security.auth.login.Configuration.setConfiguration(
   new DummyLoginConfiguration());
 // doesn't matter what it is, but getGroups needs it set...
 // use HADOOP_HOME environment variable to prevent interfering with logic
 // that finds winutils.exe
 String home = System.getenv("HADOOP_HOME");
 System.setProperty("hadoop.home.dir", (home != null ? home : "."));
 // fake the realm is kerberos is enabled
 System.setProperty("java.security.krb5.kdc", "");
 System.setProperty("java.security.krb5.realm", "DEFAULT.REALM");
}