jpa/tests/org.eclipse.jpt.jpa.eclipselink.core.tests/src/org/eclipse/jpt/jpa/eclipselink/core/tests/internal/resource/java/EclipseLinkPrimaryKeyAnnotationTests.java

/*******************************************************************************
 * Copyright (c) 2011, 2013 Oracle. All rights reserved.
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License 2.0, which accompanies this distribution
 * and is available at https://www.eclipse.org/legal/epl-2.0/.
 * 
 * Contributors:
 *     Oracle - initial API and implementation
 ******************************************************************************/
package org.eclipse.jpt.jpa.eclipselink.core.tests.internal.resource.java;

import java.util.Iterator;
import org.eclipse.jdt.core.ICompilationUnit;
import org.eclipse.jpt.common.core.resource.java.JavaResourceType;
import org.eclipse.jpt.common.utility.internal.iterator.IteratorTools;
import org.eclipse.jpt.jpa.eclipselink.core.resource.java.EclipseLink;

@SuppressWarnings("nls")
public class EclipseLinkPrimaryKeyAnnotationTests
	extends EclipseLinkJavaResourceModelTestCase
{
	public EclipseLinkPrimaryKeyAnnotationTests(String name) {
		super(name);
	}
	
	
	private ICompilationUnit createTestTypeWithPrimaryKeyAnnotation() throws Exception {
		return this.createTestType(new DefaultAnnotationWriter() {
			@Override
			public Iterator<String> imports() {
				return IteratorTools.iterator(EclipseLink.PRIMARY_KEY);
			}
			@Override
			public void appendTypeAnnotationTo(StringBuilder sb) {
				sb.append("@PrimaryKey");
			}
		});
	}
	
	
	public void testAddRemoveAnnotation() throws Exception {
		ICompilationUnit cu = this.createTestTypeWithPrimaryKeyAnnotation();
		JavaResourceType resourceType = buildJavaResourceType(cu);
		
		assertNotNull(resourceType.getAnnotation(EclipseLink.PRIMARY_KEY));
		
		resourceType.removeAnnotation(EclipseLink.PRIMARY_KEY);
		assertNull(resourceType.getAnnotation(EclipseLink.PRIMARY_KEY));
		
		resourceType.addAnnotation(EclipseLink.PRIMARY_KEY);
		assertNotNull(resourceType.getAnnotation(EclipseLink.PRIMARY_KEY));
	}
}