@Test public void testCleanUpTokenReferral() throws Exception { Configuration conf = new Configuration(); conf.set(MRJobConfig.MAPREDUCE_JOB_CREDENTIALS_BINARY, "foo"); TokenCache.cleanUpTokenReferral(conf); assertNull(conf.get(MRJobConfig.MAPREDUCE_JOB_CREDENTIALS_BINARY)); }
TokenCache.cleanUpTokenReferral(conf);
TokenCache.cleanUpTokenReferral(conf);
TokenCache.cleanUpTokenReferral(conf);