| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache license, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the license for the specific language governing permissions and |
| * limitations under the license. |
| */ |
| package org.apache.logging.log4j.core.async; |
| |
| import org.apache.logging.log4j.Level; |
| import org.apache.logging.log4j.categories.AsyncLoggers; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| import static org.junit.Assert.*; |
| |
| /** |
| * Tests the DiscardingAsyncQueueFullPolicy class.. |
| */ |
| @Category(AsyncLoggers.class) |
| public class DiscardingAsyncQueueFullPolicyTest { |
| |
| private static long currentThreadId() { |
| return Thread.currentThread().getId(); |
| } |
| |
| private static long otherThreadId() { |
| return -1; |
| } |
| |
| @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 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)); |
| } |
| } |
| |
| @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 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 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 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 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)); |
| } |
| } |