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org/junit/internal/runners/ErrorReportingRunner.java
package org.junit.internal.runners;

import java.lang.reflect.InvocationTargetException;
import java.util.Arrays;
import java.util.List;

import org.junit.runner.Description;
import org.junit.runner.Runner;
import org.junit.runner.notification.Failure;
import org.junit.runner.notification.RunNotifier;
import org.junit.runners.model.InitializationError;

public class ErrorReportingRunner extends Runner {
  private final List<Throwable> fCauses;

  private final Class<?> fTestClass;

  public ErrorReportingRunner(Class<?> testClass, Throwable cause) {
    fTestClass= testClass;
    fCauses= getCauses(cause);
  }

  @Override
  public Description getDescription() {
    Description description= Description.createSuiteDescription(fTestClass);
    for (Throwable each : fCauses)
      description.addChild(describeCause(each));
    return description;
  }

  @Override
  public void run(RunNotifier notifier) {
    for (Throwable each : fCauses)
      runCause(each, notifier);
  }

  @SuppressWarnings("deprecation")
  private List<Throwable> getCauses(Throwable cause) {
    if (cause instanceof InvocationTargetException)
      return getCauses(cause.getCause());
    if (cause instanceof InitializationError)
      return ((InitializationErrorcause).getCauses();
    if (cause instanceof org.junit.internal.runners.InitializationError)
      return ((org.junit.internal.runners.InitializationErrorcause)
          .getCauses();
    return Arrays.asList(cause);
  }

  private Description describeCause(Throwable child) {
    return Description.createTestDescription(fTestClass,
        "initializationError");
  }

  private void runCause(Throwable child, RunNotifier notifier) {
    Description description= describeCause(child);
    notifier.fireTestStarted(description);
    notifier.fireTestFailure(new Failure(description, child));
    notifier.fireTestFinished(description);
  }
}