HelloWorldTest.java

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 * obtain a copy of the License at
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package org.glassfish.tests.paas.helloworld;

import junit.framework.Assert;
import org.glassfish.embeddable.CommandResult;
import org.glassfish.embeddable.CommandRunner;
import org.glassfish.embeddable.Deployer;
import org.glassfish.embeddable.GlassFish;
import org.glassfish.embeddable.GlassFishProperties;
import org.glassfish.embeddable.GlassFishRuntime;
import org.junit.Test;

import java.io.BufferedReader;
import java.io.File;
import java.io.InputStreamReader;
import java.io.PrintStream;
import java.net.URL;
import java.net.URLConnection;
import java.util.List;
import java.util.ArrayList;
import java.util.regex.*;

/**
 * @author Yamini K B
 */

public class HelloWorldTest {

	@Test
	public void test() throws Exception {

		// Bootstrap GlassFish DAS in embedded mode.
		GlassFish glassfish = bootstrap();

		// Deploy the PaaS app and verify it.
		runTests(glassfish);

		// Re-deploy the PaaS app and verify it.
		String testScenarios = System.getProperty("test.scenarios");
		if (testScenarios == null
				|| "all".contains(testScenarios.toLowerCase())) {
			runTests(glassfish);
		}

		// 5. Stop the GlassFish DAS
		glassfish.dispose();
	}

	private void get(String urlStr, String result) throws Exception {
		URL url = new URL(urlStr);
		URLConnection yc = url.openConnection();
		System.out.println("\nURLConnection [" + yc + "] : ");
		BufferedReader in = new BufferedReader(new InputStreamReader(
				yc.getInputStream()));
		String line = null;
		boolean found = false;
		while ((line = in.readLine()) != null) {
			System.out.println(line);
			if (line.indexOf(result) != -1) {
				found = true;
			}
		}
		Assert.assertTrue(found);
		System.out.println("\n***** SUCCESS **** Found [" + result
				+ "] in the response.*****\n");
	}

	private void runTests(GlassFish glassfish) throws Exception {
		// 2. Deploy the PaaS application.
		File archive = new File(System.getProperty("basedir")
				+ "/target/helloworld.war");

		Assert.assertTrue(archive.exists());
		Deployer deployer = null;
		String appName = null;
		try {
			deployer = glassfish.getDeployer();
			appName = deployer.deploy(archive);

			System.err.println("Deployed [" + appName + "]");
			Assert.assertNotNull(appName);

			CommandRunner commandRunner = glassfish.getCommandRunner();
			CommandResult result = commandRunner.run("list-services");
			System.out.println("\nlist-services command output [ "
					+ result.getOutput() + "]");

			// 3. Access the app to make sure PaaS app is correctly provisioned.
			String HTTP_PORT = (System.getProperty("http.port") != null) ? System
					.getProperty("http.port") : "28080";

			List<String> ips = getLBIPAddress(glassfish);

                        //wait for instances to come up
                        //Thread.sleep(60000);

                        for (String ip:ips) {
                            get("http://" + ip + ":" + HTTP_PORT
                                        + "/helloworld/hi.jsp",
					"PaaS says Hello World!");
                        }

			// 4. Undeploy the PaaS application.
		} finally {
			if (appName != null) {
				deployer.undeploy(appName);
				System.err.println("Undeployed [" + appName + "]");
				try {
					boolean undeployClean = false;
					CommandResult commandResult = glassfish.getCommandRunner()
							.run("list-services");
					if (commandResult.getOutput().contains("Nothing to list.")) {
						undeployClean = true;
					}
					Assert.assertTrue(undeployClean);
				} catch (Exception e) {
					System.err.println("Couldn't verify whether undeploy succeeded");
				}

			}
		}

	}

	private GlassFish bootstrap() throws Exception {
		GlassFishProperties glassFishProperties = new GlassFishProperties();
		glassFishProperties.setInstanceRoot(System.getenv("S1AS_HOME")
				+ "/domains/domain1");
		glassFishProperties.setConfigFileReadOnly(false);
		GlassFish glassfish = GlassFishRuntime.bootstrap().newGlassFish(
				glassFishProperties);
		PrintStream sysout = System.out;
		glassfish.start();
		System.setOut(sysout);
		return glassfish;
	}

	private List<String> getLBIPAddress(GlassFish glassfish) {
                List<String> lbIPs = new ArrayList<String>();
		String IPAddressPattern = "(([01]?\\d*|2[0-4]\\d|25[0-5])\\."
				        + "([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\."
				        + "([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\."
				        + "([0-9]?\\d\\d?|2[0-4]\\d|25[0-5]))";
		try {
			CommandRunner commandRunner = glassfish.getCommandRunner();
			String result = commandRunner
					.run("list-services", "--type", "LOAD_BALANCER",
							"--output", "IP-ADDRESS").getOutput().toString();
			if (result.contains("Nothing to list.")) {
				result = commandRunner
						.run("list-services", "--type", "JavaEE", "--output",
								"IP-ADDRESS").getOutput().toString();

                                System.out.println("#####" + result);
				Pattern p = Pattern.compile(IPAddressPattern);
				Matcher m = p.matcher(result);
                                while (m.find()) {
                                    lbIPs.add(m.group(1));
                                }

                                System.out.println("LB IPs = " + lbIPs.toString());
			} else {
				Pattern p = Pattern.compile(IPAddressPattern);
				Matcher m = p.matcher(result);
                                while (m.find()) {
                                    lbIPs.add(m.group(1));
                                }

                                System.out.println("LB IPs = " + lbIPs.toString());
			}

		} catch (Exception e) {
			System.out.println("Regex has thrown an exception "
					+ e.getMessage());
			lbIPs.add("localhost");
		}
		return lbIPs;
	}

}