FSImage fsImage = mock(FSImage.class);
FSEditLog log = mock(FSEditLog.class);
doReturn(log).when(fsImage).getEditLog();
FSNamesystem fsn = new FSNamesystem(fsImage, conf);
DelegationTokenSecretManager dtsm = fsn.getDelegationTokenSecretManager();
try {
dtsm.startThreads();
// get two tokens
Token<DelegationTokenIdentifier> token1 = fsn.getDelegationToken(renewer);
Token<DelegationTokenIdentifier> token2 = fsn.getDelegationToken(renewer);
DelegationTokenIdentifier ident1 = decodeIdentifier(token1);
DelegationTokenIdentifier ident2 = decodeIdentifier(token2);
// verify we got the tokens
verify(log, times(1)).logGetDelegationToken(eq(ident1), anyLong());
verify(log, times(1)).logGetDelegationToken(eq(ident2), anyLong());
// this is a little tricky because DTSM doesn't let us set scan interval
// so need to periodically sleep, then stop/start threads to force scan
// renew first token 1/2 to expire
Thread.sleep(renewInterval/2);
fsn.renewDelegationToken(token2);
verify(log, times(1)).logRenewDelegationToken(eq(ident2), anyLong());
// force scan and give it a little time to complete
dtsm.stopThreads(); dtsm.startThreads();
Thread.sleep(250);
// no token has expired yet
verify(log, times(0)).logCancelDelegationToken(eq(ident1));
verify(log, times(0)).logCancelDelegationToken(eq(ident2));
// sleep past expiration of 1st non-renewed token
Thread.sleep(renewInterval/2);
dtsm.stopThreads(); dtsm.startThreads();
Thread.sleep(250);
// non-renewed token should have implicitly been cancelled
verify(log, times(1)).logCancelDelegationToken(eq(ident1));
verify(log, times(0)).logCancelDelegationToken(eq(ident2));
// sleep past expiration of 2nd renewed token
Thread.sleep(renewInterval/2);
dtsm.stopThreads(); dtsm.startThreads();
Thread.sleep(250);
// both tokens should have been implicitly cancelled by now
verify(log, times(1)).logCancelDelegationToken(eq(ident1));
verify(log, times(1)).logCancelDelegationToken(eq(ident2));
} finally {
dtsm.stopThreads();
}
}