| /* |
| * 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.cassandra.utils; |
| |
| import static org.junit.Assert.*; |
| |
| import java.util.ArrayDeque; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Queue; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.cassandra.utils.NoSpamLogger.Level; |
| import org.apache.cassandra.utils.NoSpamLogger.NoSpamLogStatement; |
| import org.junit.Before; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| import org.slf4j.Logger; |
| import org.slf4j.helpers.SubstituteLogger; |
| |
| |
| public class NoSpamLoggerTest |
| { |
| Map<Level, Queue<Pair<String, Object[]>>> logged = new HashMap<>(); |
| |
| Logger mock = new SubstituteLogger(null) |
| { |
| |
| @Override |
| public void info(String statement, Object... args) |
| { |
| logged.get(Level.INFO).offer(Pair.create(statement, args)); |
| } |
| |
| @Override |
| public void warn(String statement, Object... args) |
| { |
| logged.get(Level.WARN).offer(Pair.create(statement, args)); |
| } |
| |
| @Override |
| public void error(String statement, Object... args) |
| { |
| logged.get(Level.ERROR).offer(Pair.create(statement, args)); |
| } |
| |
| @Override |
| public int hashCode() |
| { |
| return 42;//It's a valid hash code |
| } |
| |
| @Override |
| public boolean equals(Object o) |
| { |
| return this == o; |
| } |
| }; |
| |
| |
| static final String statement = "swizzle{}"; |
| static final String param = ""; |
| static long now; |
| |
| @BeforeClass |
| public static void setUpClass() throws Exception |
| { |
| NoSpamLogger.CLOCK = new NoSpamLogger.Clock() |
| { |
| @Override |
| public long nanoTime() |
| { |
| return now; |
| } |
| }; |
| } |
| |
| @Before |
| public void setUp() throws Exception |
| { |
| logged.put(Level.INFO, new ArrayDeque<Pair<String, Object[]>>()); |
| logged.put(Level.WARN, new ArrayDeque<Pair<String, Object[]>>()); |
| logged.put(Level.ERROR, new ArrayDeque<Pair<String, Object[]>>()); |
| NoSpamLogger.clearWrappedLoggersForTest(); |
| } |
| |
| @Test |
| public void testNoSpamLogger() throws Exception |
| { |
| testLevel(Level.INFO); |
| testLevel(Level.WARN); |
| testLevel(Level.ERROR); |
| } |
| |
| private void testLevel(Level l) throws Exception |
| { |
| setUp(); |
| now = 5; |
| |
| assertTrue(NoSpamLogger.log( mock, l, 5, TimeUnit.NANOSECONDS, statement, param)); |
| |
| assertEquals(1, logged.get(l).size()); |
| |
| assertFalse(NoSpamLogger.log( mock, l, 5, TimeUnit.NANOSECONDS, statement, param)); |
| |
| assertEquals(1, logged.get(l).size()); |
| |
| now += 5; |
| |
| assertTrue(NoSpamLogger.log( mock, l, 5, TimeUnit.NANOSECONDS, statement, param)); |
| |
| assertEquals(2, logged.get(l).size()); |
| |
| assertTrue(NoSpamLogger.log( mock, l, "key", 5, TimeUnit.NANOSECONDS, statement, param)); |
| |
| assertEquals(3, logged.get(l).size()); |
| |
| assertFalse(NoSpamLogger.log( mock, l, "key", 5, TimeUnit.NANOSECONDS, statement, param)); |
| |
| assertEquals(3, logged.get(l).size()); |
| } |
| |
| private void assertLoggedSizes(int info, int warn, int error) |
| { |
| assertEquals(info, logged.get(Level.INFO).size()); |
| assertEquals(warn, logged.get(Level.WARN).size()); |
| assertEquals(error, logged.get(Level.ERROR).size()); |
| } |
| |
| @Test |
| public void testNoSpamLoggerDirect() throws Exception |
| { |
| now = 5; |
| NoSpamLogger logger = NoSpamLogger.getLogger( mock, 5, TimeUnit.NANOSECONDS); |
| |
| assertTrue(logger.info(statement, param)); |
| assertFalse(logger.info(statement, param)); |
| assertFalse(logger.warn(statement, param)); |
| assertFalse(logger.error(statement, param)); |
| |
| assertLoggedSizes(1, 0, 0); |
| |
| NoSpamLogStatement statement = logger.getStatement("swizzle2{}", 10, TimeUnit.NANOSECONDS); |
| assertFalse(statement.warn(param)); |
| //now is 5 so it won't log |
| assertLoggedSizes(1, 0, 0); |
| |
| now = 10; |
| assertTrue(statement.warn(param)); |
| assertLoggedSizes(1, 1, 0); |
| |
| } |
| |
| @Test |
| public void testNoSpamLoggerStatementDirect() throws Exception |
| { |
| NoSpamLogger.NoSpamLogStatement nospam = NoSpamLogger.getStatement( mock, statement, 5, TimeUnit.NANOSECONDS); |
| |
| now = 5; |
| |
| assertTrue(nospam.info(statement, param)); |
| assertFalse(nospam.info(statement, param)); |
| assertFalse(nospam.warn(statement, param)); |
| assertFalse(nospam.error(statement, param)); |
| |
| assertLoggedSizes(1, 0, 0); |
| } |
| |
| private void checkMock(Level l) |
| { |
| Pair<String, Object[]> p = logged.get(l).poll(); |
| assertNotNull(p); |
| assertEquals(statement, p.left); |
| Object objs[] = p.right; |
| assertEquals(1, objs.length); |
| assertEquals(param, objs[0]); |
| assertTrue(logged.get(l).isEmpty()); |
| } |
| |
| /* |
| * Make sure that what is passed to the underlying logger is the correct set of objects |
| */ |
| @Test |
| public void testLoggedResult() throws Exception |
| { |
| now = 5; |
| |
| assertTrue(NoSpamLogger.log( mock, Level.INFO, 5, TimeUnit.NANOSECONDS, statement, param)); |
| checkMock(Level.INFO); |
| |
| now = 10; |
| |
| assertTrue(NoSpamLogger.log( mock, Level.WARN, 5, TimeUnit.NANOSECONDS, statement, param)); |
| checkMock(Level.WARN); |
| |
| now = 15; |
| |
| assertTrue(NoSpamLogger.log( mock, Level.ERROR, 5, TimeUnit.NANOSECONDS, statement, param)); |
| checkMock(Level.ERROR); |
| |
| now = 20; |
| |
| NoSpamLogger logger = NoSpamLogger.getLogger(mock, 5, TimeUnit.NANOSECONDS); |
| |
| assertTrue(logger.info(statement, param)); |
| checkMock(Level.INFO); |
| |
| now = 25; |
| |
| assertTrue(logger.warn(statement, param)); |
| checkMock(Level.WARN); |
| |
| now = 30; |
| |
| assertTrue(logger.error(statement, param)); |
| checkMock(Level.ERROR); |
| |
| NoSpamLogger.NoSpamLogStatement nospamStatement = logger.getStatement(statement); |
| |
| now = 35; |
| |
| assertTrue(nospamStatement.info(param)); |
| checkMock(Level.INFO); |
| |
| now = 40; |
| |
| assertTrue(nospamStatement.warn(param)); |
| checkMock(Level.WARN); |
| |
| now = 45; |
| |
| assertTrue(nospamStatement.error(param)); |
| checkMock(Level.ERROR); |
| } |
| } |