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Diffstat (limited to 'java/systests/src/main/java/org/apache/qpid/server/logging/AbstractTestLogging.java')
-rw-r--r-- | java/systests/src/main/java/org/apache/qpid/server/logging/AbstractTestLogging.java | 320 |
1 files changed, 320 insertions, 0 deletions
diff --git a/java/systests/src/main/java/org/apache/qpid/server/logging/AbstractTestLogging.java b/java/systests/src/main/java/org/apache/qpid/server/logging/AbstractTestLogging.java new file mode 100644 index 0000000000..e7d1c8b896 --- /dev/null +++ b/java/systests/src/main/java/org/apache/qpid/server/logging/AbstractTestLogging.java @@ -0,0 +1,320 @@ +/* + * + * 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.qpid.server.logging; + +import org.apache.qpid.server.logging.subjects.AbstractTestLogSubject; +import org.apache.qpid.test.utils.QpidTestCase; +import org.apache.qpid.util.LogMonitor; + +import java.io.IOException; +import java.util.HashMap; +import java.util.Iterator; +import java.util.LinkedList; +import java.util.List; + +public class AbstractTestLogging extends QpidTestCase +{ + protected LogMonitor _monitor; + + @Override + public void setUp() throws Exception + { + super.setUp(); + _monitor = new LogMonitor(_outputFile); + } + + @Override + public void tearDown() throws Exception + { + _monitor.close(); + super.tearDown(); + } + + /** + * assert that the requested log message has not occured + * + * @param log + * + * @throws IOException + */ + public void assertLoggingNotYetOccured(String log) throws IOException + { + // Ensure the alert has not occured yet + assertEquals("Message has already occured:" + log, 0, + _monitor.findMatches(log).size()); + } + + protected void validateMessageID(String id, String log) + { + assertEquals("Incorrect message", id, getMessageID(log)); + } + + protected String getMessageID(String log) + { + String message = fromMessage(log); + + return message.substring(0, message.indexOf(" ")); + } + + /** + * Return the first channel id from the log string + * ' ch;X' if there is no channel id return -1. + * + * @param log the log string to search. + * + * @return channel id or -1 if no channel id exists. + */ + protected int getChannelID(String log) + { + int start = log.indexOf("ch:") + 3; + + // If we do a check for ] as the boundary we will get cases where log + // is presented with the bounding. If we don't match a ] then we can use + // the end of the string as the boundary. + int end = log.indexOf("]", start); + if (end == -1) + { + end = log.length(); + } + + try + { + return Integer.parseInt(log.substring(start, end)); + } + catch (Exception e) + { + return -1; + } + } + + protected String fromMessage(String log) + { + int startSubject = log.indexOf("]") + 1; + int start = log.indexOf("]", startSubject) + 1; + + // If we don't have a subject then the second indexOf will return 0 + // in which case we can use the end of the actor as the index. + if (start == 0) + { + start = startSubject; + } + + return log.substring(start).trim(); + } + + /** + * Extract the Subject from the Log Message. + * + * The subject is the second block inclosed in brackets '[ ]'. + * + * If there is no Subject or the second block of brackets '[ ]' cannot be + * identified then an empty String ("") is returned. + * + * The brackets '[ ]' are not included in the returned String. + * + * @param log The log message to process + * + * @return the Subject string or the empty string ("") if the subject can't be identified. + */ + protected String fromSubject(String log) + { + int start = log.indexOf("[") + 1; + // Take the second index + start = log.indexOf("[", start) + 1; + + // There may not be a subject so in that case return nothing. + if (start == 0) + { + return ""; + } + + int end = log.indexOf("]", start); + try + { + return log.substring(start, end); + } + catch (IndexOutOfBoundsException iobe) + { + return ""; + } + } + + /** + * Extract the actor segment from the log message. + * The Actor segment is the first section enclosed in '[ ]'. + * + * No analysis is performed to ensure that the first '[ ]' section of the + * given log is really an Actor segment. + * + * The brackets '[ ]' are not included in the returned String. + * + * @param log the Log Message + * + * @return the Actor segment or "" if unable to locate '[ ]' section + */ + protected String fromActor(String log) + { + int start = log.indexOf("[") + 1; + int end = log.indexOf("]", start); + try + { + return log.substring(start, end).trim(); + } + catch (IndexOutOfBoundsException iobe) + { + return ""; + } + } + + /** + * Return the message String from the given message section + * + * @param log the Message Section + * + * @return the Message String. + */ + protected String getMessageString(String log) + { + // Remove the Log ID from the returned String + int start = log.indexOf(":") + 1; + + return log.substring(start).trim(); + } + + /** + * Given our log message extract the connection ID: + * + * The log string will contain the connectionID identified by 'con:' + * + * So extract the value shown here by X: + * + * 'con:X(' + * + * Extract the value between the ':' and '(' and process it as an Integer + * + * If we are unable to find the right index or process the substring as an + * Integer then return -1. + * + * @param log the log String to process + * + * @return the connection ID or -1. + */ + protected int getConnectionID(String log) + { + int conIDStart = log.indexOf("con:") + 4; + int conIDEnd = log.indexOf("(", conIDStart); + try + { + return Integer.parseInt(log.substring(conIDStart, conIDEnd)); + } + catch (Exception e) + { + return -1; + } + } + + /** + * Extract the log entry from the raw log line which will contain other + * log4j formatting. + * + * This formatting may impead our testing process so extract the log message + * as we know it to be formatted. + * + * This starts with the string MESSAGE + * + * @param rawLog the raw log + * + * @return the log we are expecting to be printed without the log4j prefixes + */ + protected String getLog(String rawLog) + { + int start = rawLog.indexOf("MESSAGE"); + return rawLog.substring(start); + } + + /** + * Given a list of messages that have been pulled out of a log file + * Process the results splitting the log statements in to lists based on the + * actor's connection ID. + * + * So for each log entry extract the Connecition ID from the Actor of the log + * + * Then use that as a key to a HashMap storing the list of log messages for + * that connection. + * + * @param logMessages The list of mixed connection log messages + * + * @return Map indexed by connection id to a list of log messages just for that connection. + */ + protected HashMap<Integer, List<String>> splitResultsOnConnectionID(List<String> logMessages) + { + HashMap<Integer, List<String>> connectionSplitList = new HashMap<Integer, List<String>>(); + + for (String log : logMessages) + { + // Get the connectionID from the Actor in the Message Log. + int cID = getConnectionID(fromActor(getLog(log))); + + List<String> connectionData = connectionSplitList.get(cID); + + // Create the initial List if we don't have one already + if (connectionData == null) + { + connectionData = new LinkedList<String>(); + connectionSplitList.put(cID, connectionData); + } + + // Store the log + connectionData.add(log); + } + + return connectionSplitList; + } + + /** + * Filter the give result set by the specficifed virtualhost. + * This is done using the getSlice to identify the virtualhost (vh) in the + * log message + * + * @param results full list of logs + * @param virtualHostName the virtualhostName to filter on + * + * @return the list of messages only for that virtualhost + */ + protected List<String> filterResultsByVirtualHost(List<String> results, String virtualHostName) + { + List<String> filteredResults = new LinkedList<String>(); + Iterator<String> iterator = results.iterator(); + + while (iterator.hasNext()) + { + String log = iterator.next(); + + if (AbstractTestLogSubject.getSlice("vh", log).equals(virtualHostName)) + { + filteredResults.add(log); + } + } + + return filteredResults; + } + +} |