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/**
 * 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
 * <p/>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p/>
 * 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.
 */

package com.cloudera.itest

public class JUnitUtils {
  final private static String DETECT_ERRORS = "totalErrorsDetected";
  final private static String DETECT_FAILS = "totalFailsDetected";
  final private static String RESULTS_DIR = "com.cloudera.itest.JUnitUtils.results.dir";

  /**
   * A bulk executor of JUnit test clases capable of producing XML testresults
   * and forking a VM.
   *
   * @param testClasses an array of JUnit test classes to be executed in a forked VM
   * @return true if ALL the tests passed and false in any other case 
   */
  static boolean executeTests(Class... testClasses) {
    def ant = new AntBuilder()
    def res = ant.junit (printsummary:'yes', fork:'yes', forkmode:'once', 
                         errorproperty: DETECT_ERRORS, failureproperty: DETECT_FAILS) {
          System.getProperties().each { k, v ->
            sysproperty(key: k, value: v)
          }
          classpath {
             System.getProperty('java.class.path').
                    split(System.getProperty('path.separator',':')).each {
               pathelement(location: it);
             }
          }
          testClasses.each {
            test(name: it.getName(), todir: System.getProperty(RESULTS_DIR, '.'));
          }
          formatter(type:'xml');
    }
    return !(ant.project.getProperty(DETECT_FAILS) == "true" ||
             ant.project.getProperty(DETECT_ERRORS) == "true");
  }
}