ZendDbgAvailabilityTest.java

/*******************************************************************************
 * Copyright (c) 2016 Rogue Wave Software, Inc.
 * 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:
 *   Rogue Wave Software, Inc. - initial API and implementation
 *******************************************************************************/
package org.eclipse.che.plugin.zdb.server;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.nio.charset.Charset;
import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.List;

import org.testng.annotations.Test;

/**
 * Class responsible for checking if PHP with Zend Debugger is installed in test environment.
 * 
 * @author Bartlomiej Laczkowski
 */
public class ZendDbgAvailabilityTest {

    private static final String NO_PHP_INSTALLED = "PHP installation could not be found in test/OS environment.";
    private static final String NO_ZEND_DEBUGGER_INSTALLED = "Zend Debugger extension for PHP is not installed.";
    private static final String TEST_ENVIRONMENT = "\nTest Environment:\n{0}\n{1}\n";
    
    @Test(groups = { "checkPHP" })
    public void checkPHP() throws Exception {
        List<String> phpInfo = new ArrayList<>();
        try {
            Process p = Runtime.getRuntime().exec(new String[] { "php", "-v" });
            try (BufferedReader reader = new BufferedReader(
                    new InputStreamReader(p.getInputStream(), Charset.defaultCharset()))) {
                String line;
                while ((line = reader.readLine()) != null) {
                    phpInfo.add(line);
                }
            }
        } catch (Exception e) {
            throw new Exception(NO_PHP_INSTALLED);
        }
        String phpVersionLine = phpInfo.get(0);
        if (!phpVersionLine.startsWith("PHP")) {
            throw new Exception(NO_PHP_INSTALLED);
        }
        String phpZendDebuggerLine = null;
        for (String currentLine : phpInfo) {
            if (currentLine.contains("Zend Debugger")) {
                phpZendDebuggerLine = currentLine;
            }
        }
        if (phpZendDebuggerLine == null) {
            throw new Exception(NO_ZEND_DEBUGGER_INSTALLED);
        }
        System.out.println(MessageFormat.format(TEST_ENVIRONMENT, phpVersionLine, phpZendDebuggerLine));
    }
}