/*******************************************************************************
 * Copyright (c) 2006, 2008 Oracle. All rights reserved.
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0, which accompanies this distribution
 * and is available at http://www.eclipse.org/legal/epl-v10.html.
 * 
 * Contributors:
 *     Oracle - initial API and implementation
 ******************************************************************************/
package org.eclipse.jpt.core.tests.internal;

import java.io.File;
import junit.framework.Test;
import junit.framework.TestSuite;
import org.eclipse.jpt.core.tests.internal.context.JptCoreContextModelTests;
import org.eclipse.jpt.core.tests.internal.model.JptCoreModelTests;
import org.eclipse.jpt.core.tests.internal.projects.TestJpaProject;
import org.eclipse.jpt.core.tests.internal.resource.JptCoreResourceModelTests;
import org.eclipse.jpt.core.tests.internal.utility.jdt.JptCoreUtilityJdtTests;

/**
 * Runs MOST JPT Core Tests. Currently we do not have a jpa.jar checked into cvs. 
 * As a result we cannot run any tests that depend on that jar during the nightly build.
 * In our development environments we should run JptAllCoreTests (NOT this suite)
 * until jpa.jar is checked into CVS.
 */
@SuppressWarnings("nls")
public class JptCoreTests {
	private static final String JPA_JAR_PROPERTY = TestJpaProject.JPA_JAR_NAME_SYSTEM_PROPERTY;

	public static Test suite() {
		return suite(false);
	}
	
	// TODO delete parameter all
	public static Test suite(boolean all) {
		String quantity = all ? "All" : "Most";
		TestSuite suite = new TestSuite(quantity + " JPT Core Tests");

		if(jpaJarPropertyExists() && jpaJarFileExists()) {
			suite.addTest(JptCoreUtilityJdtTests.suite(all));
			suite.addTest(JptCoreModelTests.suite(all));
			suite.addTest(JptCoreResourceModelTests.suite(all));
			suite.addTest(JptCoreContextModelTests.suite(all));
		}
		else {
			String message = ( ! jpaJarPropertyExists()) ?
				"missing Java system property: \"" + JPA_JAR_PROPERTY + "\"" :
				"missing JPA jar file: \"" + getJpaJarProperty() + "\"";
			suite.addTest(TestSuite.warning(message));
		}
		return suite;
	}
	
	public static boolean jpaJarPropertyExists() {
		String jpaJarName = getJpaJarProperty();
		return jpaJarName != null;
	}
	
	public static boolean jpaJarFileExists() {
		File file = new File(getJpaJarProperty());
		return file.exists();
	}
	
	public static String getJpaJarProperty() {
		return System.getProperty(JPA_JAR_PROPERTY);
	}
	
	private JptCoreTests() {
		super();
		throw new UnsupportedOperationException();
	}

}