Først til til pom.xml

<properties>
<version.org.jboss.resteasy>3.0.19.Final</version.org.jboss.resteasy>
<version.com.fasterxml.jackson>2.8.6</version.com.fasterxml.jackson>
<version.org.codehaus.jackson>1.9.13</version.org.codehaus.jackson>
</properties>

<dependencies>
<dependency>
<groupId>org.jboss.resteasy</groupId>
<artifactId>resteasy-client</artifactId>
<version>${version.org.jboss.resteasy}</version>
<scope>provided</scope>
</dependency>

<dependency>
<groupId>com.fasterxml.jackson.module</groupId>
<artifactId>jackson-module-jaxb-annotations</artifactId>
<version>${version.com.fasterxml.jackson}</version>
<scope>provided</scope>
</dependency>

<dependency>
<groupId>org.codehaus.jackson</groupId>
<artifactId>jackson-mapper-asl</artifactId>
<version>${version.org.codehaus.jackson}</version>
<scope>provided</scope>
</dependency>

<!-- TEST -->
<dependency>
<groupId>org.jboss.resteasy</groupId>
<artifactId>resteasy-jaxb-provider</artifactId>
<version>${version.org.jboss.resteasy}</version>
<scope>test</scope>
</dependency>

<dependency>
<groupId>org.jboss.resteasy</groupId>
<artifactId>resteasy-jackson-provider</artifactId>
<version>${version.org.jboss.resteasy}</version>
<scope>test</scope>
</dependency>

<dependency>
<groupId>org.jboss.logging</groupId>
<artifactId>jboss-logging</artifactId>
<version>${version.jboss-logging}</version>
<scope>test</scope>
</dependency>
</dependencies>


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package dk.convergens.todo;

import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.UnknownHostException;

import javax.json.Json;
import javax.json.JsonObjectBuilder;
import javax.ws.rs.client.Client;
import javax.ws.rs.client.ClientBuilder;
import javax.ws.rs.client.ClientRequestContext;
import javax.ws.rs.client.ClientRequestFilter;
import javax.ws.rs.client.Entity;
import javax.ws.rs.client.Invocation;
import javax.ws.rs.client.WebTarget;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.core.Response;
import javax.xml.bind.DatatypeConverter;

import org.apache.log4j.Logger;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;

import com.mongodb.BasicDBObject;

public class ToDoResourceIT {

private static Logger logger = Logger.getLogger(ToDoResourceIT.class.getName());

private Client client;
private WebTarget toDoTarget;

@Before
public void init() throws UnknownHostException {

String baseUri = "http://localhost:8080/todo";

String userName = "user";
String password = "Hemmeligt";

client = ClientBuilder.newClient();
if (userName != null) {
client.register(new BasicAuthenticator(userName, password));
}
WebTarget base = client.target(baseUri);
toDoTarget = base.path("resources").path("todos");
}

@Test
public void create() {

JsonObjectBuilder createObjectBuilder = Json.createObjectBuilder();

createObjectBuilder.add("subject", "Overskriften i denne ToDo");
createObjectBuilder.add("body", "Brødtekst i denne ToDo");

/**
 * CREATE
 */
Invocation.Builder request = toDoTarget.request(MediaType.APPLICATION_JSON);
Response response = null;
String location = null;
try {
response = request.post(Entity.json(createObjectBuilder.build()));
if (response.getStatus() != Response.Status.CREATED.getStatusCode()) {
logger.error(response.readEntity(String.class));
Assert.fail(
"Status er ikke " + Response.Status.CREATED.getStatusCode() + " men " + response.getStatus());
}
location = response.getHeaderString("Location");
} finally {
if (response != null) {
response.close();
}
}

/**
 * DELETE
 */
WebTarget target = client.target(location);
request = target.request(MediaType.APPLICATION_JSON);
response = request.delete();
if (response.getStatus() != Response.Status.OK.getStatusCode()
&& response.getStatus() != Response.Status.FORBIDDEN.getStatusCode()) {
Assert.fail("Status er ikke " + Response.Status.OK.getStatusCode() + " men " + response.getStatus());
}
if (response.getStatus() == Response.Status.FORBIDDEN.getStatusCode()) {
BasicDBObject obj = response.readEntity(BasicDBObject.class);
response.close();
logger.warn(obj.toString());
} else {
response.close();
}
}

@Test
public void update() {

JsonObjectBuilder createObjectBuilder = Json.createObjectBuilder();

createObjectBuilder.add("subject", "Overskriften i denne ToDo");
createObjectBuilder.add("body", "Brødtekst i denne ToDo");

/**
 * CREATE
 */
Invocation.Builder request = toDoTarget.request(MediaType.APPLICATION_JSON);
Response response = null;
String location = null;
try {
response = request.post(Entity.json(createObjectBuilder.build()));
if (response.getStatus() != Response.Status.CREATED.getStatusCode()) {
logger.error(response.readEntity(String.class));
Assert.fail(
"Status er ikke " + Response.Status.CREATED.getStatusCode() + " men " + response.getStatus());
}
location = response.getHeaderString("Location");
} finally {
if (response != null) {
response.close();
}
}

/**
 * UPDATE
 */
createObjectBuilder = Json.createObjectBuilder();
createObjectBuilder.add("subject", "Overskriften i denne ToDo - update");
createObjectBuilder.add("body", "Brødtekst i denne ToDo  - update");

WebTarget target = client.target(location);
request = target.request(MediaType.APPLICATION_JSON);
try {
response = request.put(Entity.json(createObjectBuilder.build()));
if (response.getStatus() != Response.Status.NO_CONTENT.getStatusCode()
&& response.getStatus() != Response.Status.FORBIDDEN.getStatusCode()) {
Assert.fail("Status er ikke " + Response.Status.NO_CONTENT.getStatusCode() + " men "
+ response.getStatus());
}
if (response.getStatus() == Response.Status.FORBIDDEN.getStatusCode()) {
logger.warn(response.readEntity(String.class));
}
} finally {
if (response != null) {
response.close();
}
}

/**
 * DELETE
 */
target = client.target(location);
request = target.request(MediaType.APPLICATION_JSON);
response = request.delete();
if (response.getStatus() != Response.Status.OK.getStatusCode()
&& response.getStatus() != Response.Status.FORBIDDEN.getStatusCode()) {
Assert.fail("Status er ikke " + Response.Status.OK.getStatusCode() + " men " + response.getStatus());
}
if (response.getStatus() == Response.Status.FORBIDDEN.getStatusCode()) {
BasicDBObject obj = response.readEntity(BasicDBObject.class);
response.close();
logger.warn(obj.toString());
} else {
response.close();
}
}

}

class BasicAuthenticator implements ClientRequestFilter {

private final String user;
private final String password;

public BasicAuthenticator(String user, String password) {
this.user = user;
this.password = password;
}

@Override
public void filter(ClientRequestContext requestContext) throws IOException {
MultivaluedMap<String, Object> headers = requestContext.getHeaders();
String basicAuthentication = getBasicAuthentication();
headers.add("Authorization", basicAuthentication);
}

private String getBasicAuthentication() {
String token = this.user + ":" + this.password;
try {
return "Basic " + DatatypeConverter.printBase64Binary(token.getBytes("UTF-8"));
} catch (UnsupportedEncodingException ex) {
throw new IllegalStateException("Cannot encode with UTF-8", ex);
}
}
}