Potential helios solo / testing usage.

HeliosSoloTesting.java

package com.spotify.wiggum;

import com.google.common.net.HostAndPort;

import com.spotify.helios.testing.TemporaryJob;
import com.spotify.helios.testing.TemporaryJobs;

import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;

import static org.junit.Assert.assertEquals;

public class ServiceIT {

  private final HeliosDeployment deployment = HeliosSoloDeployment.fromEnv().build();
  
  @Rule
  public TemporaryJobs temporaryJobs = TemporaryJobs.create(deployment.client());

  private final HttpClient client = new DefaultHttpClient();

  private TemporaryJob temporaryJob;

  @Before
  public void setup() {
    // Deploy the wiggum image created during the last build.The wiggum container will be listening
    // on a dynamically allocated port. 4229 is the port wiggum listens on in the container.
    temporaryJob = temporaryJobs.job()
        .imageFromBuild()
        .port("wiggum", 4229)
        .deploy();
  }
  
  @AfterClass
  public void teardown() {
    deployment.close()
  }

  @Test
  public void testPing() throws Exception {    
    // send a request to a /ping endpoint using the host and dynamically
    // allocated port of the job
    HostAndPort port = temporaryJob.address("wiggum");
    String pingUri = String.format("http://%s:%d/ping",
                                   port.getHostText(),
                                   port.getPort());

    HttpResponse response = client.execute(new HttpGet(pingUri));

    assertEquals("ping failed", 200, response.getStatusLine().getStatusCode());
  }