Examples of org.junit.runner.Description

org.junit.runner.Description
A Description describes a test which is to be run or has been run. Descriptions can be atomic (a single test) or compound (containing children tests). Descriptions are used to provide feedback about the tests that are about to run (for example, the tree view visible in many IDEs) or tests that have been run (for example, the failures view).
Descriptions are implemented as a single class rather than a Composite because they are entirely informational. They contain no logic aside from counting their tests.
In the past, we used the raw {@link junit.framework.TestCase}s and {@link junit.framework.TestSuite}s to display the tree of tests. This was no longer viable in JUnit 4 because atomic tests no longer have a superclass below {@link Object}. We needed a way to pass a class and name together. Description emerged from this. @see org.junit.runner.Request @see org.junit.runner.Runner @since 4.0

    notifier.fireTestFinished(description);
  }


  @Override
  public Description getDescription() {
    Description spec= Description.createSuiteDescription(getName());
    List<Method> testMethods= fTestMethods;
    for (Method method : testMethods)
        spec.addChild(methodDescription(method));
    return spec;
  }

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  }


  @Test
  public void plansNamedCorrectly() throws Exception {
    Runner runner= Request.aClass(FibonacciTest.class).getRunner();
    Description description= runner.getDescription();
    assertEquals("[0]", description.getChildren().get(0).getDisplayName());
  }

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    run= false;    
    JUnitCore core= new JUnitCore();
    Result result= core.run(ErrorInBeforeClass.class);
    assertFalse(run);
    assertEquals(1, result.getFailureCount());
    Description description= result.getFailures().get(0).getDescription();
    assertEquals(ErrorInBeforeClass.class.getName(), description.getDisplayName());
  }

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  @Test
  public void failedConstructionIsTestFailure() {
    Result result= JUnitCore.runClasses(CantConstruct.class);
    Failure failure= result.getFailures().get(0);
    Description expected= Description.createTestDescription(CantConstruct.class, "foo");
    Assert.assertEquals(expected, failure.getDescription());
  }

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  @Test public void eliminateUnnecessaryTreeBranches() throws Exception {
    Runner runner = Request.aClass(OneTwoSuite.class).filterWith(
        Description.createTestDescription(TestOne.class, "a"))
        .getRunner();
    Description description = runner.getDescription();
    assertEquals(1, description.getChildren().size());
  }

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    assertEquals(childless.hashCode(), anotherChildless.hashCode());
    assertFalse(childless.hashCode() == namedB.hashCode());
  }
  
  private Description descriptionWithTwoKids(String first, String second) {
    Description twoKids = Description.createSuiteDescription("a");
    twoKids.addChild(Description.createTestDescription(getClass(), first));
    twoKids.addChild(Description.createTestDescription(getClass(), second));
    return twoKids;
  }

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        KdcServer methodKdcServer = null;


        // Don't run the test if the @Ignored annotation is used
        if ( method.getAnnotation( Ignore.class ) != null )
        {
            Description description = describeChild( method );
            notifier.fireTestIgnored( description );
            return;
        }


        // Get the applyLdifs for each level
        Description suiteDescription = null;


        Description classDescription = getDescription();
        Description methodDescription = describeChild( method );


        // Before running any test, check to see if we must create a class DS
        // Get the LdapServerBuilder, if any
        CreateLdapServer methodLdapServerBuilder = methodDescription.getAnnotation( CreateLdapServer.class );
        CreateKdcServer methodKdcServerBuilder = methodDescription.getAnnotation( CreateKdcServer.class );


        // Ok, ready to run the test
        try
        {
            DirectoryService directoryService = null;

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            return runs.isEmpty() ? null : new Suite( null, runs ) {};
        }


        private boolean hasChildren( Runner runner )
        {
            Description description = runner.getDescription();
            Collection children = description == null ? null : description.getChildren();
            return children != null && !children.isEmpty();
        }

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    {
        String name = extractClassName( description );
        if ( name == null || isInsaneJunitNullString( name ) )
        {
            // This can happen upon early failures (class instantiation error etc)
            Description subDescription = description.getChildren().get( 0 );
            if ( subDescription != null )
            {
                name = extractClassName( subDescription );
            }
            if ( name == null )

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    {
        JUnit4Reflector reflector = new JUnit4Reflector();
        final Method testSomething2 =
            ReflectionUtils.getMethod( IgnoreWithDescription.class, "testSomething2", EMPTY_CLASS_ARRAY );
        final Annotation[] annotations = testSomething2.getAnnotations();
        Description desc =
            Description.createTestDescription( IgnoreWithDescription.class, "testSomething2", annotations );
        Ignore annotatedIgnore = reflector.getAnnotatedIgnore( desc );
        Assert.assertEquals( reason, annotatedIgnore.value() );
    }

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