Source code
package org.junit.runner;
import junit.runner.Version;
import org.junit.internal.JUnitSystem;
import org.junit.internal.RealSystem;
import org.junit.internal.TextListener;
import org.junit.internal.runners.JUnit38ClassRunner;
import org.junit.runner.notification.RunListener;
import org.junit.runner.notification.RunNotifier;
/**
* <code>JUnitCore</code> is a facade for running tests. It supports running JUnit 4 tests,
* JUnit 3.8.x tests, and mixtures. To run tests from the command line, run
* <code>java org.junit.runner.JUnitCore TestClass1 TestClass2 ...</code>.
* For one-shot test runs, use the static method {@link #runClasses(Class[])}.
* If you want to add special listeners,
* create an instance of {@link org.junit.runner.JUnitCore} first and use it to run the tests.
*
* @see org.junit.runner.Result
* @see org.junit.runner.notification.RunListener
* @see org.junit.runner.Request
* @since 4.0
*/
public class JUnitCore {
private final RunNotifier fNotifier = new RunNotifier();
/**
* Run the tests contained in the classes named in the <code>args</code>.
* If all tests run successfully, exit with a status of 0. Otherwise exit with a status of 1.
* Write feedback while tests are running and write
* stack traces for all failed tests after the tests all complete.
*
* @param args names of classes in which to find tests to run
*/
public static void main(String... args) {
Result result = new JUnitCore().runMain(new RealSystem(), args);
System.exit(result.wasSuccessful() ? 0 : 1);
}
/**
* Run the tests contained in <code>classes</code>. Write feedback while the tests
* are running and write stack traces for all failed tests after all tests complete. This is
* similar to {@link #main(String[])}, but intended to be used programmatically.
*
* @param classes Classes in which to find tests
* @return a {@link Result} describing the details of the test run and the failed tests.
*/
public static Result runClasses(Class<?>... classes) {
return runClasses(defaultComputer(), classes);
}
/**
* Run the tests contained in <code>classes</code>. Write feedback while the tests
* are running and write stack traces for all failed tests after all tests complete. This is
* similar to {@link #main(String[])}, but intended to be used programmatically.
*
* @param computer Helps construct Runners from classes
* @param classes Classes in which to find tests
* @return a {@link Result} describing the details of the test run and the failed tests.
*/
public static Result runClasses(Computer computer, Class<?>... classes) {
return new JUnitCore().run(computer, classes);
}
/**
* @param system
* @param args from main()
*/
Result runMain(JUnitSystem system, String... args) {
system.out().println("JUnit version " + Version.id());
JUnitCommandLineParseResult jUnitCommandLineParseResult = JUnitCommandLineParseResult.parse(args);
RunListener listener = new TextListener(system);
addListener(listener);
return run(jUnitCommandLineParseResult.createRequest(defaultComputer()));
}
/**
* @return the version number of this release
*/
public String getVersion() {
return Version.id();
}
/**
* Run all the tests in <code>classes</code>.
*
* @param classes the classes containing tests
* @return a {@link Result} describing the details of the test run and the failed tests.
*/
public Result run(Class<?>... classes) {
return run(defaultComputer(), classes);
}
/**
* Run all the tests in <code>classes</code>.
*
* @param computer Helps construct Runners from classes
* @param classes the classes containing tests
* @return a {@link Result} describing the details of the test run and the failed tests.
*/
public Result run(Computer computer, Class<?>... classes) {
return run(Request.classes(computer, classes));
}
/**
* Run all the tests contained in <code>request</code>.
*
* @param request the request describing tests
* @return a {@link Result} describing the details of the test run and the failed tests.
*/
public Result run(Request request) {
return run(request.getRunner());
}
/**
* Run all the tests contained in JUnit 3.8.x <code>test</code>. Here for backward compatibility.
*
* @param test the old-style test
* @return a {@link Result} describing the details of the test run and the failed tests.
*/
public Result run(junit.framework.Test test) {
return run(new JUnit38ClassRunner(test));
}
/**
* Do not use. Testing purposes only.
*/
public Result run(Runner runner) {
Result result = new Result();
RunListener listener = result.createListener();
fNotifier.addFirstListener(listener);
try {
fNotifier.fireTestRunStarted(runner.getDescription());
runner.run(fNotifier);
fNotifier.fireTestRunFinished(result);
} finally {
removeListener(listener);
}
return result;
}
/**
* Add a listener to be notified as the tests run.
*
* @param listener the listener to add
* @see org.junit.runner.notification.RunListener
*/
public void addListener(RunListener listener) {
fNotifier.addListener(listener);
}
/**
* Remove a listener.
*
* @param listener the listener to remove
*/
public void removeListener(RunListener listener) {
fNotifier.removeListener(listener);
}
static Computer defaultComputer() {
return new Computer();
}
}