@Test(expected = NullPointerException.class) public void testConstructorDisallowsNullThresholdLevel() { new DiscardingAsyncQueueFullPolicy(null); }
@Test public void testThresholdLevelIsConstructorValue() { assertSame(Level.ALL, new DiscardingAsyncQueueFullPolicy(Level.ALL).getThresholdLevel()); assertSame(Level.OFF, new DiscardingAsyncQueueFullPolicy(Level.OFF).getThresholdLevel()); assertSame(Level.INFO, new DiscardingAsyncQueueFullPolicy(Level.INFO).getThresholdLevel()); }
@Test public void testGetRouteSynchronousIfCurrentThreadQueueFullAndLevelMoreSpecificThanThreshold() throws Exception { final DiscardingAsyncQueueFullPolicy router = new DiscardingAsyncQueueFullPolicy(Level.WARN); for (final Level level : new Level[] {Level.ERROR, Level.FATAL, Level.OFF}) { assertEquals(level.name(), EventRoute.SYNCHRONOUS, router.getRoute(currentThreadId(), level)); } }
@Test public void testGetRouteEnqueueIfOtherThreadQueueFullAndLevelMoreSpecificThanThreshold() throws Exception { final DiscardingAsyncQueueFullPolicy router = new DiscardingAsyncQueueFullPolicy(Level.WARN); for (final Level level : new Level[] {Level.ERROR, Level.FATAL, Level.OFF}) { assertEquals(level.name(), EventRoute.ENQUEUE, router.getRoute(otherThreadId(), level)); } }
@Test public void testGetRouteDiscardsIfQueueFullAndLevelEqualOrLessSpecificThanThreshold() throws Exception { final DiscardingAsyncQueueFullPolicy router = new DiscardingAsyncQueueFullPolicy(Level.WARN); for (final Level level : new Level[] {Level.WARN, Level.INFO, Level.DEBUG, Level.TRACE, Level.ALL}) { assertEquals(level.name(), EventRoute.DISCARD, router.getRoute(currentThreadId(), level)); assertEquals(level.name(), EventRoute.DISCARD, router.getRoute(otherThreadId(), level)); } }
@Test public void testGetDiscardCount() throws Exception { final DiscardingAsyncQueueFullPolicy router = new DiscardingAsyncQueueFullPolicy(Level.INFO); assertEquals("initially", 0, DiscardingAsyncQueueFullPolicy.getDiscardCount(router)); assertEquals(EventRoute.DISCARD, router.getRoute(-1L, Level.INFO)); assertEquals("increase", 1, DiscardingAsyncQueueFullPolicy.getDiscardCount(router)); assertEquals(EventRoute.DISCARD, router.getRoute(-1L, Level.INFO)); assertEquals("increase", 2, DiscardingAsyncQueueFullPolicy.getDiscardCount(router)); assertEquals(EventRoute.DISCARD, router.getRoute(-1L, Level.INFO)); assertEquals("increase", 3, DiscardingAsyncQueueFullPolicy.getDiscardCount(router)); } }
@Test public void testGetRouteEnqueuesIfThresholdCapacityReachedButLevelMoreSpecificThanThreshold() throws Exception { final DiscardingAsyncQueueFullPolicy router = new DiscardingAsyncQueueFullPolicy(Level.WARN); for (final Level level : new Level[] {Level.ERROR, Level.FATAL, Level.OFF}) { assertEquals(level.name(), EventRoute.SYNCHRONOUS, router.getRoute(currentThreadId(), level)); assertEquals(level.name(), EventRoute.ENQUEUE, router.getRoute(otherThreadId(), level)); assertEquals(level.name(), EventRoute.SYNCHRONOUS, router.getRoute(currentThreadId(), level)); assertEquals(level.name(), EventRoute.ENQUEUE, router.getRoute(otherThreadId(), level)); } }
@Test public void testGetRouteDiscardsIfThresholdCapacityReachedAndLevelEqualOrLessSpecificThanThreshold() throws Exception { final DiscardingAsyncQueueFullPolicy router = new DiscardingAsyncQueueFullPolicy(Level.WARN); for (final Level level : new Level[] {Level.WARN, Level.INFO, Level.DEBUG, Level.TRACE, Level.ALL}) { assertEquals(level.name(), EventRoute.DISCARD, router.getRoute(currentThreadId(), level)); assertEquals(level.name(), EventRoute.DISCARD, router.getRoute(otherThreadId(), level)); assertEquals(level.name(), EventRoute.DISCARD, router.getRoute(currentThreadId(), level)); assertEquals(level.name(), EventRoute.DISCARD, router.getRoute(otherThreadId(), level)); } }
private static AsyncQueueFullPolicy createDiscardingAsyncQueueFullPolicy() { final PropertiesUtil util = PropertiesUtil.getProperties(); final String level = util.getStringProperty(PROPERTY_NAME_DISCARDING_THRESHOLD_LEVEL, Level.INFO.name()); final Level thresholdLevel = Level.toLevel(level, Level.INFO); LOGGER.debug("Creating custom DiscardingAsyncQueueFullPolicy(discardThreshold:{})", thresholdLevel); return new DiscardingAsyncQueueFullPolicy(thresholdLevel); } }