/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* JBoss, Home of Professional Open Source
* Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors
* as indicated by the @authors tag. All rights reserved.
* See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License, v. 2.1.
* This program is distributed in the hope that it will be useful, but WITHOUT A
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public License,
* v.2.1 along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
package org.hibernate.hql.testing.junit;
import java.util.ArrayList;
import java.util.List;
import org.hibernate.hql.testing.ForGrammar;
import org.hibernate.hql.testing.internal.junit.GrammarRuleStatements;
import org.hibernate.hql.testing.internal.model.GrammarRuleTestGroupDescriptor;
import org.hibernate.hql.testing.internal.model.GrammarTestDescriptor;
import org.hibernate.hql.testing.internal.parser.GrammarTestParser;
import org.junit.runner.Description;
import org.junit.runner.Runner;
import org.junit.runner.notification.RunNotifier;
import org.junit.runners.ParentRunner;
import org.junit.runners.model.InitializationError;
/**
* A JUnit test runner for executing Antlr grammar tests. The grammar test file
* must be specified using the {@link ForGrammar} annotation. Note that this
* runner supports {@code TestRule}s in the test classes but not the
* {@code @Before} and {@code @After} hooks.
*
* @author Gunnar Morling
*/
public class GrammarTestRunner extends ParentRunner<Runner> {
private final List<Runner> runners;
public GrammarTestRunner(Class<?> testClass) throws InitializationError {
super( testClass );
String grammarFileName = getGrammarFileName( testClass );
GrammarTestDescriptor grammarTest = new GrammarTestParser().getGrammarTest( testClass, grammarFileName );
runners = getRunners( testClass, grammarTest );
}
private String getGrammarFileName(Class<?> testClass) throws InitializationError {
ForGrammar forGrammar = testClass.getAnnotation( ForGrammar.class );
if ( forGrammar == null ) {
throw new InitializationError( "A grammar test file must be specified via @" + ForGrammar.class.getSimpleName() + "." );
}
return forGrammar.value();
}
private List<Runner> getRunners(Class<?> testClass, GrammarTestDescriptor grammarTest) throws InitializationError {
List<Runner> runners = new ArrayList<Runner>();
for ( GrammarRuleTestGroupDescriptor group : grammarTest.getTestGroups() ) {
runners.add( new GrammarRuleStatements( testClass, grammarTest, group ) );
}
return runners;
}
@Override
protected List<Runner> getChildren() {
return runners;
}
@Override
protected Description describeChild(Runner child) {
return child.getDescription();
}
@Override
protected void runChild(Runner child, RunNotifier notifier) {
child.run( notifier );
}
}