1 files changed, 158 insertions, 0 deletions
diff --git a/src/main/java/org/junit/internal/runners/JUnit38ClassRunner.java b/src/main/java/org/junit/internal/runners/JUnit38ClassRunner.java
new file mode 100644
index 0000000..0028d0c
--- /dev/null
+++ b/src/main/java/org/junit/internal/runners/JUnit38ClassRunner.java
@@ -0,0 +1,158 @@
+package org.junit.internal.runners;
+
+import junit.extensions.TestDecorator;
+import junit.framework.AssertionFailedError;
+import junit.framework.Test;
+import junit.framework.TestCase;
+import junit.framework.TestListener;
+import junit.framework.TestResult;
+import junit.framework.TestSuite;
+import org.junit.runner.Describable;
+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;
+
+public class JUnit38ClassRunner extends Runner implements Filterable, Sortable {
+	private final class OldTestClassAdaptingListener implements
+			TestListener {
+		private final RunNotifier fNotifier;
+
+		private OldTestClassAdaptingListener(RunNotifier notifier) {
+			fNotifier= notifier;
+		}
+
+		public void endTest(Test test) {
+			fNotifier.fireTestFinished(asDescription(test));
+		}
+
+		public void startTest(Test test) {
+			fNotifier.fireTestStarted(asDescription(test));
+		}
+
+		// Implement junit.framework.TestListener
+		public void addError(Test test, Throwable t) {
+			Failure failure= new Failure(asDescription(test), t);
+			fNotifier.fireTestFailure(failure);
+		}
+
+		private Description asDescription(Test test) {
+			if (test instanceof Describable) {
+				Describable facade= (Describable) test;
+				return facade.getDescription();
+			}
+			return Description.createTestDescription(getEffectiveClass(test), getName(test));
+		}
+
+		private Class<? extends Test> getEffectiveClass(Test test) {
+			return test.getClass();
+		}
+
+		private String getName(Test test) {
+			if (test instanceof TestCase)
+				return ((TestCase) test).getName();
+			else
+				return test.toString();
+		}
+
+		public void addFailure(Test test, AssertionFailedError t) {
+			addError(test, t);
+		}
+	}
+
+	private Test fTest;
+	
+	public JUnit38ClassRunner(Class<?> klass) {
+		this(new TestSuite(klass.asSubclass(TestCase.class)));
+	}
+
+	public JUnit38ClassRunner(Test test) {
+		super();
+		setTest(test);
+	}
+
+	@Override
+	public void run(RunNotifier notifier) {
+		TestResult result= new TestResult();
+		result.addListener(createAdaptingListener(notifier));
+		getTest().run(result);
+	}
+
+	public TestListener createAdaptingListener(final RunNotifier notifier) {
+		return new OldTestClassAdaptingListener(notifier);
+	}
+	
+	@Override
+	public Description getDescription() {
+		return makeDescription(getTest());
+	}
+
+	private static Description makeDescription(Test test) {
+		if (test instanceof TestCase) {
+			TestCase tc= (TestCase) test;
+			return Description.createTestDescription(tc.getClass(), tc.getName());
+		} else if (test instanceof TestSuite) {
+			TestSuite ts= (TestSuite) test;
+			String name= ts.getName() == null ? createSuiteDescription(ts) : ts.getName();
+			Description description= Description.createSuiteDescription(name);
+			int n= ts.testCount();
+			for (int i= 0; i < n; i++) {
+				Description made= makeDescription(ts.testAt(i));
+				description.addChild(made);
+			}
+			return description;
+		} else if (test instanceof Describable) {
+			Describable adapter= (Describable) test;
+			return adapter.getDescription();
+		} else if (test instanceof TestDecorator) {
+			TestDecorator decorator= (TestDecorator) test;
+			return makeDescription(decorator.getTest());
+		} else {
+			// This is the best we can do in this case
+			return Description.createSuiteDescription(test.getClass());
+		}
+	}
+
+	private static String createSuiteDescription(TestSuite ts) {
+		int count= ts.countTestCases();
+		String example = count == 0 ? "" : String.format(" [example: %s]", ts.testAt(0));
+		return String.format("TestSuite with %s tests%s", count, example);
+	}
+
+	public void filter(Filter filter) throws NoTestsRemainException {
+		if (getTest() instanceof Filterable) {
+			Filterable adapter= (Filterable) getTest();
+			adapter.filter(filter);
+		} else if (getTest() instanceof TestSuite) {
+			TestSuite suite= (TestSuite) getTest();
+			TestSuite filtered= new TestSuite(suite.getName());
+			int n= suite.testCount();
+			for (int i= 0; i < n; i++) {
+				Test test= suite.testAt(i);
+				if (filter.shouldRun(makeDescription(test)))
+					filtered.addTest(test);
+			}
+			setTest(filtered);
+		}
+	}
+
+	public void sort(Sorter sorter) {
+		if (getTest() instanceof Sortable) {
+			Sortable adapter= (Sortable) getTest();
+			adapter.sort(sorter);
+		}
+	}
+
+	private void setTest(Test test) {
+		fTest = test;
+	}
+
+	private Test getTest() {
+		return fTest;
+	}
+}