@Test
public void startReturnDifferentInstances() {
FixedBackOff backOff = new FixedBackOff(100L, 1);
BackOffExecution execution = backOff.start();
BackOffExecution execution2 = backOff.start();
assertEquals(100l, execution.nextBackOff());
assertEquals(100l, execution2.nextBackOff());
assertEquals(BackOffExecution.STOP, execution.nextBackOff());
assertEquals(BackOffExecution.STOP, execution2.nextBackOff());
}
@Test
public void maxAttemptsReached() {
FixedBackOff backOff = new FixedBackOff(200L, 2);
BackOffExecution execution = backOff.start();
assertEquals(200l, execution.nextBackOff());
assertEquals(200l, execution.nextBackOff());
assertEquals(BackOffExecution.STOP, execution.nextBackOff());
}
@Test
public void defaultInstance() {
FixedBackOff backOff = new FixedBackOff();
BackOffExecution execution = backOff.start();
for (int i = 0; i < 100; i++) {
assertEquals(FixedBackOff.DEFAULT_INTERVAL, execution.nextBackOff());
}
}
@Test
public void liveUpdate() {
FixedBackOff backOff = new FixedBackOff(100L, 1);
BackOffExecution execution = backOff.start();
assertEquals(100l, execution.nextBackOff());
backOff.setInterval(200l);
backOff.setMaxAttempts(2);
assertEquals(200l, execution.nextBackOff());
assertEquals(BackOffExecution.STOP, execution.nextBackOff());
}
@Test
public void toStringContent() {
FixedBackOff backOff = new FixedBackOff(200L, 10);
BackOffExecution execution = backOff.start();
assertEquals(
"FixedBackOff{interval=200, currentAttempts=0, maxAttempts=10}", execution.toString());
execution.nextBackOff();
assertEquals(
"FixedBackOff{interval=200, currentAttempts=1, maxAttempts=10}", execution.toString());
execution.nextBackOff();
assertEquals(
"FixedBackOff{interval=200, currentAttempts=2, maxAttempts=10}", execution.toString());
}
@Test
public void noAttemptAtAll() {
FixedBackOff backOff = new FixedBackOff(100L, 0L);
BackOffExecution execution = backOff.start();
assertEquals(BackOffExecution.STOP, execution.nextBackOff());
}