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package org.junit.internal.runners;
import java.lang.annotation.Annotation;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Collections;
import java.util.Comparator;
import java.util.Iterator;
import java.util.List;
import org.junit.runner.Description;
import org.junit.runner.Runner;
import org.junit.runner.manipulation.Filter;
import org.junit.runner.manipulation.Filterable;
import org.junit.runner.manipulation.NoTestsRemainException;
import org.junit.runner.manipulation.Sortable;
import org.junit.runner.manipulation.Sorter;
import org.junit.runner.notification.Failure;
import org.junit.runner.notification.RunNotifier;
import org.junit.runners.BlockJUnit4ClassRunner;
/**
* @deprecated Included for backwards compatibility with JUnit 4.4. Will be
* removed in the next release. Please use
* {@link BlockJUnit4ClassRunner} in place of {@link JUnit4ClassRunner}.
*
* This may disappear as soon as 1 April 2009
*/
@Deprecated
public class JUnit4ClassRunner extends Runner implements Filterable, Sortable {
private final List<Method> fTestMethods;
private TestClass fTestClass;
public JUnit4ClassRunner(Class<?> klass) throws InitializationError {
fTestClass= new TestClass(klass);
fTestMethods= getTestMethods();
validate();
}
protected List<Method> getTestMethods() {
return fTestClass.getTestMethods();
}
protected void validate() throws InitializationError {
MethodValidator methodValidator= new MethodValidator(fTestClass);
methodValidator.validateMethodsForDefaultRunner();
methodValidator.assertValid();
}
@Override
public void run(final RunNotifier notifier) {
new ClassRoadie(notifier, fTestClass, getDescription(), new Runnable() {
public void run() {
runMethods(notifier);
}
}).runProtected();
}
protected void runMethods(final RunNotifier notifier) {
for (Method method : fTestMethods)
invokeTestMethod(method, notifier);
}
@Override
public Description getDescription() {
Description spec= Description.createSuiteDescription(getName(), classAnnotations());
List<Method> testMethods= fTestMethods;
for (Method method : testMethods)
spec.addChild(methodDescription(method));
return spec;
}
protected Annotation[] classAnnotations() {
return fTestClass.getJavaClass().getAnnotations();
}
protected String getName() {
return getTestClass().getName();
}
protected Object createTest() throws Exception {
return getTestClass().getConstructor().newInstance();
}
protected void invokeTestMethod(Method method, RunNotifier notifier) {
Description description= methodDescription(method);
Object test;
try {
test= createTest();
} catch (InvocationTargetException e) {
testAborted(notifier, description, e.getCause());
return;
} catch (Exception e) {
testAborted(notifier, description, e);
return;
}
TestMethod testMethod= wrapMethod(method);
new MethodRoadie(test, testMethod, notifier, description).run();
}
private void testAborted(RunNotifier notifier, Description description,
Throwable e) {
notifier.fireTestStarted(description);
notifier.fireTestFailure(new Failure(description, e));
notifier.fireTestFinished(description);
}
protected TestMethod wrapMethod(Method method) {
return new TestMethod(method, fTestClass);
}
protected String testName(Method method) {
return method.getName();
}
protected Description methodDescription(Method method) {
return Description.createTestDescription(getTestClass().getJavaClass(), testName(method), testAnnotations(method));
}
protected Annotation[] testAnnotations(Method method) {
return method.getAnnotations();
}
public void filter(Filter filter) throws NoTestsRemainException {
for (Iterator<Method> iter= fTestMethods.iterator(); iter.hasNext();) {
Method method= iter.next();
if (!filter.shouldRun(methodDescription(method)))
iter.remove();
}
if (fTestMethods.isEmpty())
throw new NoTestsRemainException();
}
public void sort(final Sorter sorter) {
Collections.sort(fTestMethods, new Comparator<Method>() {
public int compare(Method o1, Method o2) {
return sorter.compare(methodDescription(o1), methodDescription(o2));
}
});
}
protected TestClass getTestClass() {
return fTestClass;
}
}
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