@Test
public void shouldReturnParameters_onGet() {
// Given
final int capacity = 1 + Randoms.randomInt(50);
final long tokenDelayMillis = 10 + Randoms.randomInt(5000);
rateLimiter = new RateLimiter(capacity, tokenDelayMillis);
// When
final int returnedCapacity = rateLimiter.getBucketCapacity();
final long returnedTokenDelayMillis = rateLimiter.getTokenReplacementDelayMillis();
// Then
assertEquals(capacity, returnedCapacity);
assertEquals(tokenDelayMillis, returnedTokenDelayMillis);
}
@Test
public void shouldNotCreateRateLimiter_withNegativeDelay() {
// Given
final int capacity = 1 + Randoms.randomInt(50);
final long tokenDelayMillis = -1 - Randoms.randomInt(5000);
// When
IllegalArgumentException actualException = null;
try {
new RateLimiter(capacity, tokenDelayMillis);
} catch (final IllegalArgumentException e) {
actualException = e;
}
// Then
assertNotNull(actualException);
}
@Test
public void shouldNotApplyFlowControl_onStatusSubresourceRequest() throws Exception {
// Given
setUpRequestPath("http://www.example.com/status/" + Randoms.randomString());
// When
flowControlledRequestFilter.filter(mockContainerRequestContext);
// Then
verifyZeroInteractions(mockrestAdapterStartLatch, mockRateLimiter);
}
@Test
public void shouldNotSetParameters_withZeroCapacity() {
// Given
rateLimiter = new RateLimiter(10, 1000);
final int capacity = 0;
final long tokenDelayMillis = 10 + Randoms.randomInt(5000);
// When
IllegalArgumentException actualException = null;
try {
rateLimiter.setParameters(capacity, tokenDelayMillis);
} catch (final IllegalArgumentException e) {
actualException = e;
}
// Then
assertNotNull(actualException);
}