How to display a name/label for each Parameterized Junit test in Eclipse [closed]
public class PolySuite extends Suite {

  // //////////////////////////////
  // Public helper interfaces

  /**
   * Annotation for a method which returns a {@link Configuration}
   * to be injected into the test class constructor
   */
  @Retention(RetentionPolicy.RUNTIME)
  @Target(ElementType.METHOD)
  public static @interface Config {
  }

  public static interface Configuration {
    int size();
    Object getTestValue(int index);
    String getTestName(int index);
  }

  // //////////////////////////////
  // Fields

  private final List<Runner> runners;

  // //////////////////////////////
  // Constructor

  /**
   * Only called reflectively. Do not use programmatically.
   * @param c the test class
   * @throws Throwable if something bad happens
   */
  public PolySuite(Class<?> c) throws Throwable {
    super(c, Collections.<Runner>emptyList());
    TestClass testClass = getTestClass();
    Class<?> jTestClass = testClass.getJavaClass();
    Configuration configuration = getConfiguration(testClass);
    List<Runner> runners = new ArrayList<Runner>();
    for (int i = 0, size = configuration.size(); i < size; i++) {
      SingleRunner runner = new SingleRunner(jTestClass, configuration.getTestValue(i), configuration.getTestName(i));
      runners.add(runner);
    }
    this.runners = runners;
  }

  // //////////////////////////////
  // Overrides

  @Override
  protected List<Runner> getChildren() {
    return runners;
  }

  // //////////////////////////////
  // Private

  private Configuration getConfiguration(TestClass testClass) throws Throwable {
    return (Configuration) getConfigMethod(testClass).invokeExplosively(null);
  }

  private FrameworkMethod getConfigMethod(TestClass testClass) {
    List<FrameworkMethod> methods = testClass.getAnnotatedMethods(Config.class);
    if (methods.isEmpty()) {
      throw new IllegalStateException("@" + Config.class.getSimpleName() + " method not found");
    }
    if (methods.size() > 1) {
      throw new IllegalStateException("Too many @" + Config.class.getSimpleName() + " methods");
    }
    FrameworkMethod method = methods.get(0);
    int modifiers = method.getMethod().getModifiers();
    if (!(Modifier.isStatic(modifiers) && Modifier.isPublic(modifiers))) {
      throw new IllegalStateException("@" + Config.class.getSimpleName() + " method "" + method.getName() + "" must be public static");
    }
    return method;
  }

  // //////////////////////////////
  // Helper classes

  private static class SingleRunner extends BlockJUnit4ClassRunner {

    private final Object testVal;
    private final String testName;

    SingleRunner(Class<?> testClass, Object testVal, String testName) throws InitializationError {
      super(testClass);
      this.testVal = testVal;
      this.testName = testName;
    }

    @Override
    protected Object createTest() throws Exception {
      return getTestClass().getOnlyConstructor().newInstance(testVal);
    }

    @Override
    protected String getName() {
      return testName;
    }

    @Override
    protected String testName(FrameworkMethod method) {
      return testName + ": " + method.getName();
    }

    @Override
    protected void validateConstructor(List<Throwable> errors) {
      validateOnlyOneConstructor(errors);
    }

    @Override
    protected Statement classBlock(RunNotifier notifier) {
      return childrenInvoker(notifier);
    }
  }
}

@RunWith(PolySuite.class)
public class PolySuiteExample {

  // //////////////////////////////
  // Fixture

  @Config
  public static Configuration getConfig() {
    return new Configuration() {
      @Override
      public int size() {
        return 10;
      }

      @Override
      public Integer getTestValue(int index) {
        return index * 2;
      }

      @Override
      public String getTestName(int index) {
        return "test" + index;
      }
    };
  }

  // //////////////////////////////
  // Fields

  private final int testVal;

  // //////////////////////////////
  // Constructor

  public PolySuiteExample(int testVal) {
    this.testVal = testVal;
  }

  // //////////////////////////////
  // Test

  @Ignore
  @Test
  public void odd() {
    assertFalse(testVal % 2 == 0);
  }

  @Test
  public void even() {
    assertTrue(testVal % 2 == 0);
  }

}

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
import org.junit.Assert;
import org.junit.internal.runners.ClassRoadie;
import org.junit.internal.runners.CompositeRunner;
import org.junit.internal.runners.InitializationError;
import org.junit.internal.runners.JUnit4ClassRunner;
import org.junit.internal.runners.MethodValidator;
import org.junit.internal.runners.TestClass;
import org.junit.runner.notification.RunNotifier;

public class LabelledParameterized extends CompositeRunner {
static class TestClassRunnerForParameters extends JUnit4ClassRunner {
    private final Object[] fParameters;

    private final String fParameterFirstValue;

    private final Constructor<?> fConstructor;

    TestClassRunnerForParameters(TestClass testClass, Object[] parameters, int i) throws InitializationError {
        super(testClass.getJavaClass()); // todo
        fParameters = parameters;
        if (parameters != null) {
            fParameterFirstValue = Arrays.asList(parameters).toString();
        } else {
            fParameterFirstValue = String.valueOf(i);
        }
        fConstructor = getOnlyConstructor();
    }

    @Override
    protected Object createTest() throws Exception {
        return fConstructor.newInstance(fParameters);
    }

    @Override
    protected String getName() {
        return String.format("%s", fParameterFirstValue);
    }

    @Override
    protected String testName(final Method method) {
        return String.format("%s%s", method.getName(), fParameterFirstValue);
    }

    private Constructor<?> getOnlyConstructor() {
        Constructor<?>[] constructors = getTestClass().getJavaClass().getConstructors();
        Assert.assertEquals(1, constructors.length);
        return constructors[0];
    }

    @Override
    protected void validate() throws InitializationError {
        // do nothing: validated before.
    }

    @Override
    public void run(RunNotifier notifier) {
        runMethods(notifier);
    }
}

@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.METHOD)
public static @interface Parameters {
}

private final TestClass fTestClass;

public LabelledParameterized(Class<?> klass) throws Exception {
    super(klass.getName());
    fTestClass = new TestClass(klass);

    MethodValidator methodValidator = new MethodValidator(fTestClass);
    methodValidator.validateStaticMethods();
    methodValidator.validateInstanceMethods();
    methodValidator.assertValid();

    int i = 0;
    for (final Object each : getParametersList()) {
        if (each instanceof Object[])
            add(new TestClassRunnerForParameters(fTestClass, (Object[]) each, i++));
        else
            throw new Exception(String.format("%s.%s() must return a Collection of arrays.", fTestClass.getName(), getParametersMethod().getName()));
    }
}

@Override
public void run(final RunNotifier notifier) {
    new ClassRoadie(notifier, fTestClass, getDescription(), new Runnable() {
        public void run() {
            runChildren(notifier);
        }
    }).runProtected();
}

private Collection<?> getParametersList() throws IllegalAccessException, InvocationTargetException, Exception {
    return (Collection<?>) getParametersMethod().invoke(null);
}

private Method getParametersMethod() throws Exception {
    List<Method> methods = fTestClass.getAnnotatedMethods(Parameters.class);
    for (Method each : methods) {
        int modifiers = each.getModifiers();
        if (Modifier.isStatic(modifiers) && Modifier.isPublic(modifiers))
            return each;
    }

    throw new Exception("No public static parameters method on class " + getName());
}

public static Collection<Object[]> eachOne(Object... params) {
    List<Object[]> results = new ArrayList<Object[]>();
    for (Object param : params)
        results.add(new Object[] { param });
    return results;
}
}

@Parameters(name="namestring")

@RunWith(Parameterized.class)
static public class FibonacciTest {
    @Parameters(name= "{index}: fib({0})={1}")
    public static Iterable<Object[]> data() {
        return Arrays.asList(new Object[][] { { 0, 0 }, { 1, 1 }, { 2, 1 },
                { 3, 2 }, { 4, 3 }, { 5, 5 }, { 6, 8 } });
    }

    private final int fInput;
    private final int fExpected;

    public FibonacciTest(int input, int expected) {
        fInput= input;
        fExpected= expected;
    }

    @Test
    public void test() {
        assertEquals(fExpected, fib(fInput));
    }

    private int fib(int x) {
        return 0;
    }
}

@Test
public void name() {
	Assert.assertEquals("", inboundFileName);
}

private <T> void assertThat(final T actual, final Matcher<T> expected) {
    Assert.assertThat(editThisToDisplaySomethingForYourDatum, actual, expected);
}

public ExampleTest(final String testLabel, final int one, final int two) {
    this.testLabel = testLabel;
    // ...
}

@Parameters
public static Collection<Object[]> data() {
    return asList(new Object[][]{
        {"first test", 3, 4},
        {"second test", 5, 6}
    });
}