package org.junit.tests.junit3compatibility;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertNotNull;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import junit.extensions.TestDecorator;
import junit.framework.JUnit4TestAdapter;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.junit.Assert;
import org.junit.Test;
import org.junit.internal.runners.JUnit38ClassRunner;
import org.junit.runner.Description;
import org.junit.runner.JUnitCore;
import org.junit.runner.Result;
import org.junit.runner.notification.Failure;
import org.junit.runner.notification.RunListener;
import org.junit.runner.manipulation.Filter;
import org.junit.runner.manipulation.NoTestsRemainException;
public class JUnit38ClassRunnerTest {
public static class MyTest extends TestCase {
public void testA() {
}
}
@Test
public void plansDecoratorCorrectly() {
JUnit38ClassRunner runner = new JUnit38ClassRunner(new TestDecorator(new TestSuite(MyTest.class)));
assertEquals(1, runner.testCount());
}
public static class AnnotatedTest {
@Test
public void foo() {
Assert.fail();
}
}
@Test
public void canUnadaptAnAdapter() {
JUnit38ClassRunner runner = new JUnit38ClassRunner(new JUnit4TestAdapter(AnnotatedTest.class));
Result result = new JUnitCore().run(runner);
Failure failure = result.getFailures().get(0);
assertEquals(Description.createTestDescription(AnnotatedTest.class, "foo"), failure.getDescription());
}
static int count;
static public class OneTest extends TestCase {
public void testOne() {
}
}
@Test
public void testListener() throws Exception {
JUnitCore runner = new JUnitCore();
RunListener listener = new RunListener() {
@Override
public void testStarted(Description description) {
assertEquals(Description.createTestDescription(OneTest.class, "testOne"),
description);
count++;
}
};
runner.addListener(listener);
count = 0;
Result result = runner.run(OneTest.class);
assertEquals(1, count);
assertEquals(1, result.getRunCount());
}
public static class ClassWithInvalidMethod extends TestCase {
@SuppressWarnings("unused")
private void testInvalid() {
}
}
@Test
public void invalidTestMethodReportedCorrectly() {
Result result = JUnitCore.runClasses(ClassWithInvalidMethod.class);
Failure failure = result.getFailures().get(0);
assertEquals("warning", failure.getDescription().getMethodName());
assertEquals("junit.framework.TestSuite$1", failure.getDescription().getClassName());
}
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.METHOD)
public static @interface MyAnnotation {
}
public static class JUnit3ClassWithAnnotatedMethod extends TestCase {
@MyAnnotation
public void testAnnotated() {
}
public void testNotAnnotated() {
}
}
public static class DerivedAnnotatedMethod extends JUnit3ClassWithAnnotatedMethod {
}
@Test
public void getDescriptionWithAnnotation() {
JUnit38ClassRunner runner = new JUnit38ClassRunner(JUnit3ClassWithAnnotatedMethod.class);
assertAnnotationFiltering(runner);
}
@Test
public void getDescriptionWithAnnotationInSuper() {
JUnit38ClassRunner runner = new JUnit38ClassRunner(DerivedAnnotatedMethod.class);
assertAnnotationFiltering(runner);
}
private void assertAnnotationFiltering(JUnit38ClassRunner runner) {
Description d = runner.getDescription();
assertEquals(2, d.testCount());
for (Description methodDesc : d.getChildren()) {
if (methodDesc.getMethodName().equals("testAnnotated")) {
assertNotNull(methodDesc.getAnnotation(MyAnnotation.class));
} else {
assertNull(methodDesc.getAnnotation(MyAnnotation.class));
}
}
}
public static class RejectAllTestsFilter extends Filter {
@Override
public boolean shouldRun(Description description) {
return description.isSuite();
}
@Override
public String describe() {
return "filter all";
}
}
/**
* Test that NoTestsRemainException is thrown when all methods have been filtered.
*/
@Test(expected = NoTestsRemainException.class)
public void filterNoTestsRemain() throws NoTestsRemainException {
JUnit38ClassRunner runner = new JUnit38ClassRunner(OneTest.class);
runner.filter(new RejectAllTestsFilter());
}
}