package org.apache.maven.surefire.common.junit4;
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
import java.lang.annotation.Annotation;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import org.apache.maven.surefire.util.SurefireReflectionException;
import org.junit.Ignore;
import org.junit.runner.Description;
import org.junit.runner.Request;
import static org.apache.maven.surefire.util.ReflectionUtils.tryGetMethod;
import static org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray;
/**
* JUnit4 reflection helper
*
*/
public final class JUnit4Reflector
{
private static final Class[] PARAMS = { Class.class };
private static final Class[] IGNORE_PARAMS = { Ignore.class };
private static final Class[] PARAMS_WITH_ANNOTATIONS = { String.class, Annotation[].class };
private JUnit4Reflector()
{
throw new IllegalStateException( "not instantiable constructor" );
}
public static Ignore getAnnotatedIgnore( Description d )
{
Method getAnnotation = tryGetMethod( d.getClass(), "getAnnotation", PARAMS );
return getAnnotation == null ? null : (Ignore) invokeMethodWithArray( d, getAnnotation, IGNORE_PARAMS );
}
public static String getAnnotatedIgnoreValue( Description description )
{
final Ignore ignore = getAnnotatedIgnore( description );
return ignore != null ? ignore.value() : null;
}
public static Request createRequest( Class<?>... classes )
{
try
{
return (Request) Request.class.getDeclaredMethod( "classes", Class[].class )// Since of JUnit 4.5
.invoke( null, new Object[]{ classes } );
}
catch ( NoSuchMethodException e )
{
return Request.classes( null, classes ); // Since of JUnit 4.0
}
catch ( InvocationTargetException e )
{
throw new SurefireReflectionException( e.getCause() );
}
catch ( IllegalAccessException e )
{
// probably JUnit 5.x
throw new SurefireReflectionException( e );
}
}
public static Description createDescription( String description )
{
try
{
return Description.createSuiteDescription( description );
}
catch ( NoSuchMethodError e )
{
Method method = tryGetMethod( Description.class, "createSuiteDescription", PARAMS_WITH_ANNOTATIONS );
// may throw exception probably with JUnit 5.x
return (Description) invokeMethodWithArray( null, method, description, new Annotation[0] );
}
}
public static Description createDescription( String description, Annotation... annotations )
{
Method method = tryGetMethod( Description.class, "createSuiteDescription", PARAMS_WITH_ANNOTATIONS );
return method == null
? Description.createSuiteDescription( description )
: (Description) invokeMethodWithArray( null, method, description, annotations );
}
public static Ignore createIgnored( String value )
{
return new IgnoredWithUserError( value );
}
private static class IgnoredWithUserError
implements Annotation, Ignore
{
private final String value;
public IgnoredWithUserError( String value )
{
this.value = value;
}
public IgnoredWithUserError()
{
this( "" );
}
@Override
public String value()
{
return value;
}
@Override
public Class<? extends Annotation> annotationType()
{
return Ignore.class;
}
@Override
public int hashCode()
{
return value == null ? 0 : value.hashCode();
}
@Override
public boolean equals( Object obj )
{
return obj instanceof Annotation && obj instanceof Ignore && equalValue( ( Ignore ) obj );
}
@Override
public String toString()
{
return String.format( "%s(%s)", Ignore.class, value );
}
private boolean equalValue( Ignore ignore )
{
if ( ignore == null )
{
return false;
}
else
{
String val = ignore.value();
return val == null ? value == null : val.equals( value );
}
}
}
}