ProcessTest.java

/** (C) Copyright 2011-2014 Chiral Behaviors, All Rights Reserved
 * 
 * Licensed 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.
 */
package com.hellblazer.process;

import java.io.File;
import java.util.HashMap;
import java.util.Map;

import junit.framework.TestCase;

/**
 * 
 * @author hhildebrand
 * 
 */
abstract public class ProcessTest extends TestCase {
    static File javaBin = getJavaExecutable();

    private static File getJavaExecutable() {
        String pathSeparator = System.getProperty("file.separator");
        String javaBin = System.getProperty("java.home");
        if (javaBin.endsWith(pathSeparator)) {
            javaBin += "bin";
        } else {
            javaBin += pathSeparator + "bin";
        }
        javaBin += pathSeparator;
        String os = System.getProperty("os.name").toLowerCase();
        return new File(os.indexOf("win") >= 0 ? javaBin + "java.exe"
                                              : javaBin + "java");
    }

    protected void setupJavaClasspath(JavaProcess process) {

        // Force the Java classpath to be local directory. Otherwise,
        // in certain environments we might inherit an existing classpath, which
        // breaks the test. For example, this might happen when running the test
        // within an IDE or CI server.

        Map<String, String> env = new HashMap<>();
        env.put("CLASSPATH", "./");
        process.setEnvironment(env);
    }
}