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30 day Evaluation Version distributed via the Maven Jar Repository. Clover is not free. You have 30 days to evaluate it. Please visit http://www.thecortex.net/clover to obtain a licensed version of Clover | |||||||||||||||||||
Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
HiveMindTestCase.java | - | - | - | - |
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// Copyright 2004 The Apache Software Foundation
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package org.apache.hivemind.test;
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import java.net.URL;
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import java.util.ArrayList;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Locale;
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import junit.framework.AssertionFailedError;
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import junit.framework.TestCase;
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import org.apache.hivemind.ApplicationRuntimeException;
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import org.apache.hivemind.ClassResolver;
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import org.apache.hivemind.Registry;
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import org.apache.hivemind.Resource;
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import org.apache.hivemind.impl.DefaultClassResolver;
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import org.apache.hivemind.impl.RegistryBuilder;
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import org.apache.hivemind.util.URLResource;
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import org.apache.log4j.Level;
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import org.apache.log4j.LogManager;
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import org.apache.log4j.Logger;
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import org.apache.log4j.spi.LoggingEvent;
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import org.apache.oro.text.regex.Pattern;
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import org.apache.oro.text.regex.Perl5Compiler;
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import org.apache.oro.text.regex.Perl5Matcher;
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import org.easymock.MockControl;
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/**
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* Contains some support for creating HiveMind tests; this is useful enough that
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* has been moved into the main framework, to simplify creation of tests in the dependent
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* libraries.
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*
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* @author Howard Lewis Ship
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*/
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public abstract class HiveMindTestCase extends TestCase |
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{ |
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///CLOVER:OFF
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protected String _interceptedLoggerName;
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protected StoreAppender _appender;
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private static Perl5Compiler _compiler; |
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private static Perl5Matcher _matcher; |
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/** List of {@link org.easymock.MockControl}. */
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private List _controls = new ArrayList(); |
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/**
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* Returns the given file as a {@link Resource} from the classpath. Typically,
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* this is to find files in the same folder as the invoking class.
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*/
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protected Resource getResource(String file)
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{ |
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URL url = getClass().getResource(file); |
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if (url == null) |
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throw new NullPointerException("No resource named '" + file + "'."); |
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return new URLResource(url); |
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} |
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/**
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* Converts the actual list to an array and invokes
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* {@link #assertListsEqual(Object[], Object[])}.
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*/
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protected static void assertListsEqual(Object[] expected, List actual) |
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{ |
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assertListsEqual(expected, actual.toArray()); |
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} |
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/**
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* Asserts that the two arrays are equal; same length and all elements
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* equal. Checks the elements first, then the length.
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*/
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protected static void assertListsEqual(Object[] expected, Object[] actual) |
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{ |
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assertNotNull(actual); |
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int min = Math.min(expected.length, actual.length);
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for (int i = 0; i < min; i++) |
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assertEquals("list[" + i + "]", expected[i], actual[i]); |
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assertEquals("list length", expected.length, actual.length);
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} |
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/**
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* Called when code should not be reachable (because a test is expected
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* to throw an exception); throws
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* AssertionFailedError always.
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*/
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protected static void unreachable() |
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{ |
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throw new AssertionFailedError("This code should be unreachable."); |
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} |
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/**
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* Sets up a {@link StoreAppender} to intercept logging for the specified
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* logger. Captured log events can be recovered via
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* {@link #getInterceptedLogEvents()}.
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*/
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protected void interceptLogging(String loggerName) |
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{ |
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Logger logger = LogManager.getLogger(loggerName); |
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logger.removeAllAppenders(); |
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_interceptedLoggerName = loggerName; |
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_appender = new StoreAppender();
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logger.setLevel(Level.DEBUG); |
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logger.setAdditivity(false);
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logger.addAppender(_appender); |
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} |
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/**
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* Gets the list of events most recently intercepted. This resets
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* the {@link StoreAppender} (it clears its list of log events).
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*
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* @see #interceptLogging(String)
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* @see StoreAppender#getEvents()
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*/
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protected List getInterceptedLogEvents()
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{ |
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return _appender.getEvents();
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} |
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/**
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* Removes the {@link StoreAppender} that may have been setup by
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* {@link #interceptLogging(String)}.
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*/
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protected void tearDown() throws Exception |
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{ |
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if (_appender != null) |
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{ |
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_appender = null;
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Logger logger = LogManager.getLogger(_interceptedLoggerName); |
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logger.setLevel(null);
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logger.setAdditivity(true);
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logger.removeAllAppenders(); |
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} |
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} |
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/**
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* Checks that the provided substring exists in the exceptions message.
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*/
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protected void assertExceptionSubstring(Throwable ex, String substring) |
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{ |
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String message = ex.getMessage(); |
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assertNotNull(message); |
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int pos = message.indexOf(substring);
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if (pos < 0)
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throw new AssertionFailedError( |
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"Exception message (" + message + ") does not contain [" + substring + "]"); |
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} |
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/**
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* Checks that the message for an exception matches a regular expression.
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*/
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protected void assertExceptionRegexp(Throwable ex, String pattern) throws Exception |
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{ |
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String message = ex.getMessage(); |
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assertNotNull(message); |
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setupMatcher(); |
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Pattern compiled = _compiler.compile(pattern); |
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if (_matcher.contains(message, compiled))
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return;
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throw new AssertionFailedError( |
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"Exception message ("
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+ message |
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+ ") does not contain regular expression ["
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+ pattern |
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+ "].");
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} |
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/**
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* Digs down through (potentially) a stack of ApplicationRuntimeExceptions until it
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* reaches the originating exception, which is returned.
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*/
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protected Throwable findNestedException(ApplicationRuntimeException ex)
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{ |
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Throwable cause = ex.getRootCause(); |
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if (cause == null || cause == ex) |
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return ex;
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if (cause instanceof ApplicationRuntimeException) |
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return findNestedException((ApplicationRuntimeException) cause);
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return cause;
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} |
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/**
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* Checks to see if a specific event matches the name and message.
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* @param message exact message to search for
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* @param events the list of events {@link #getInterceptedLogEvents()}
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* @param index the index to check at
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*/
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private void assertLoggedMessage(String message, List events, int index) |
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{ |
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LoggingEvent e = (LoggingEvent) events.get(index); |
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assertEquals("Message", message, e.getMessage());
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} |
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/**
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* Checks the messages for all logged events for exact match against
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* the supplied list.
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*/
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protected void assertLoggedMessages(String[] messages) |
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{ |
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List events = getInterceptedLogEvents(); |
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for (int i = 0; i < messages.length; i++) |
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{ |
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assertLoggedMessage(messages[i], events, i); |
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} |
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} |
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/**
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* Asserts that some capture log event matches the given message exactly.
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*/
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protected void assertLoggedMessage(String message) |
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{ |
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assertLoggedMessage(message, getInterceptedLogEvents()); |
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} |
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/**
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* Asserts that some capture log event matches the given message exactly.
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* @param message to search for; success is finding a logged message contain the parameter as a substring
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* @param events from {@link #getInterceptedLogEvents()}
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*/
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protected void assertLoggedMessage(String message, List events) |
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{ |
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int count = events.size();
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for (int i = 0; i < count; i++) |
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{ |
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LoggingEvent e = (LoggingEvent) events.get(i); |
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String eventMessage = String.valueOf(e.getMessage()); |
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if (eventMessage.indexOf(message) >= 0)
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return;
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} |
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throw new AssertionFailedError("Could not find logged message: " + message); |
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} |
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protected void assertLoggedMessagePattern(String pattern) throws Exception |
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{ |
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assertLoggedMessagePattern(pattern, getInterceptedLogEvents()); |
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} |
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protected void assertLoggedMessagePattern(String pattern, List events) throws Exception |
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{ |
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setupMatcher(); |
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Pattern compiled = null;
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int count = events.size();
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for (int i = 0; i < count; i++) |
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{ |
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LoggingEvent e = (LoggingEvent) events.get(i); |
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String eventMessage = e.getMessage().toString(); |
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if (compiled == null) |
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compiled = _compiler.compile(pattern); |
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if (_matcher.contains(eventMessage, compiled))
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return;
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} |
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throw new AssertionFailedError("Could not find logging event: " + pattern); |
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} |
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private void setupMatcher() |
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{ |
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if (_compiler == null) |
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_compiler = new Perl5Compiler();
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if (_matcher == null) |
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_matcher = new Perl5Matcher();
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} |
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/**
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* Convienience method for invoking
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* {@link #buildFrameworkRegistry(String[])} with only a single file.
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*/
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protected Registry buildFrameworkRegistry(String file) throws Exception |
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{ |
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return buildFrameworkRegistry(new String[] { file }); |
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} |
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/**
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* Builds a minimal registry, containing only the specified files, plus
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* the master module descriptor (i.e., those visible on the classpath).
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* Files are resolved using {@link HiveMindTestCase#getResource(String)}.
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*/
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protected Registry buildFrameworkRegistry(String[] files) throws Exception |
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{ |
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ClassResolver resolver = new DefaultClassResolver();
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RegistryBuilder builder = new RegistryBuilder();
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for (int i = 0; i < files.length; i++) |
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{ |
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Resource resource = getResource(files[i]); |
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builder.processModule(resolver, resource); |
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} |
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builder.processModules(resolver); |
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return builder.constructRegistry(Locale.getDefault());
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} |
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/**
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* Builds a registry from exactly the provided resource; this registry
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* will not include the <code>hivemind</code> module.
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*/
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protected Registry buildMinimalRegistry(Resource l) throws Exception |
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{ |
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RegistryBuilder builder = new RegistryBuilder();
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builder.processModule(new DefaultClassResolver(), l);
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return builder.constructRegistry(Locale.getDefault());
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} |
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/**
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* Creates a <em>managed</em> control via
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* {@link MockControl#createStrictControl(java.lang.Class)}.
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* The created control is remembered, and will be
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* invoked by {@link #replayControls()} and
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* {@link #verifyControls()}.
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*/
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protected MockControl newControl(Class mockClass)
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{ |
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MockControl result = MockControl.createStrictControl(mockClass); |
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addControl(result); |
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return result;
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} |
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/**
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* Adds the control to the list of managed controls used by
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* {@link #replayControls()} and {@link #verifyControls()}.
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*/
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protected void addControl(MockControl control) |
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{ |
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_controls.add(control); |
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} |
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/**
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* Convienience for invoking {@link #newControl(Class)} and then
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* invoking {@link MockControl#getMock()} on the result.
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*/
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protected Object newMock(Class mockClass)
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{ |
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return newControl(mockClass).getMock();
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} |
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/**
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* Invokes {@link MockControl#replay()} on all controls
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* created by {@link #newControl(Class)}.
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*/
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protected void replayControls() |
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{ |
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Iterator i = _controls.iterator(); |
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398 |
while (i.hasNext())
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399 |
{ |
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MockControl c = (MockControl) i.next(); |
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c.replay(); |
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402 |
} |
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403 |
} |
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404 |
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405 |
/**
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406 |
* Invokes {@link org.easymock.MockControl#verify()} on all
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407 |
* controls created by {@link #newControl(Class)}.
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408 |
*/
|
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409 |
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410 |
protected void verifyControls() |
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411 |
{ |
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412 |
Iterator i = _controls.iterator(); |
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413 |
while (i.hasNext())
|
|
414 |
{ |
|
415 |
MockControl c = (MockControl) i.next(); |
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416 |
c.verify(); |
|
417 |
} |
|
418 |
} |
|
419 |
} |
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420 |
|
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