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package org.junit.runner.notification;
import org.junit.internal.AssumptionViolatedException;
import org.junit.runner.Description;
import org.junit.runner.Result;
/**
* <p>If you need to respond to the events during a test run, extend <code>RunListener</code>
* and override the appropriate methods. If a listener throws an exception while processing a
* test event, it will be removed for the remainder of the test run.</p>
*
* <p>For example, suppose you have a <code>Cowbell</code>
* class that you want to make a noise whenever a test fails. You could write:
* <pre>
* public class RingingListener extends RunListener {
* public void testFailure(Failure failure) {
* Cowbell.ring();
* }
* }
* </pre>
* </p>
*
* <p>To invoke your listener, you need to run your tests through <code>JUnitCore</code>.
* <pre>
* public void main(String... args) {
* JUnitCore core= new JUnitCore();
* core.addListener(new RingingListener());
* core.run(MyTestClass.class);
* }
* </pre>
* </p>
* @see org.junit.runner.JUnitCore
*/
public class RunListener {
/**
* Called before any tests have been run.
* @param description describes the tests to be run
*/
public void testRunStarted(Description description) throws Exception {
}
/**
* Called when all tests have finished
* @param result the summary of the test run, including all the tests that failed
*/
public void testRunFinished(Result result) throws Exception {
}
/**
* Called when an atomic test is about to be started.
* @param description the description of the test that is about to be run
* (generally a class and method name)
*/
public void testStarted(Description description) throws Exception {
}
/**
* Called when an atomic test has finished, whether the test succeeds or fails.
* @param description the description of the test that just ran
*/
public void testFinished(Description description) throws Exception {
}
/**
* Called when an atomic test fails.
* @param failure describes the test that failed and the exception that was thrown
*/
public void testFailure(Failure failure) throws Exception {
}
/**
* Called when an atomic test flags that it assumes a condition that is
* false
*
* @param failure
* describes the test that failed and the
* {@link AssumptionViolatedException} that was thrown
*/
public void testAssumptionFailure(Failure failure) {
}
/**
* Called when a test will not be run, generally because a test method is annotated
* with {@link org.junit.Ignore}.
*
* @param description describes the test that will not be run
*/
public void testIgnored(Description description) throws Exception {
}
}
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