MainTest.java

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package com.sun.jersey.samples.optimisticconcurrency;

import com.sun.jersey.api.client.Client;
import com.sun.jersey.api.client.ClientResponse;
import com.sun.jersey.api.client.WebResource;
import com.sun.jersey.core.header.MediaTypes;
import org.junit.Test;
import org.junit.Before;
import org.junit.After;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.assertEquals;
import org.glassfish.grizzly.http.server.HttpServer;

import javax.ws.rs.core.MediaType;

/**
 *
 * @author Naresh (srinivas.bhimisetty@sun.com)
 */
public class MainTest {

    private HttpServer httpServer;

    private WebResource r;    

    @Before
    public void setUp() throws Exception {
        
        //start the Grizzly web container and create the client
        httpServer = Main.startServer();

        Client c = Client.create();
        r = c.resource(Main.BASE_URI);
    }

    @After
    public void tearDown() throws Exception {       
        httpServer.stop();
    }

    /**
     * Test checks that an application.wadl file is present for the resource.
     */
    @Test
    public void testApplicationWadl() {
        String serviceWadl = r.path("application.wadl").
                accept(MediaTypes.WADL).get(String.class);
        assertTrue("Looks like the expected wadl is not generated",
                serviceWadl.length() > 0);
    }

    /**
     * Test checks that an xml content is shown for the client request to
     * resource "item".
     */
    @Test
    public void testItemResource() {
        String serviceXml = r.path("item").
                accept(MediaType.APPLICATION_XML).get(String.class);
        assertTrue("Looks like the given xml response is not the expected one",
                serviceXml.length() > 0);
    }

    /**
     * Test checks that the initial content seen in the response
     * is the same as what is expected.
     */
    @Test
    public void testItemContentResource() {
        String itemContent = r.path("item").path("content").
                accept(MediaType.TEXT_PLAIN).get(String.class);
        String expectedContentPrefix = "Today is";
        assertTrue("The response text doesn't start with the expected value",
                itemContent.startsWith(expectedContentPrefix));
    }

    /**
     * Test checks the PUT on resource item/content works,
     * and is allowed only once per content item.
     */
    @Test
    public void testOnUpdateItemContent() {
        // Create a child WebResource
        WebResource content = r.path("item").path("content");

        String putData = "All play and no REST makes me a dull boy";
        content.path("0").type(MediaType.TEXT_PLAIN)
                .put(putData);
        String contentData = content.get(String.class);
        assertEquals("Data that has been PUT is not the same as what is retrieved",
                putData, contentData);
        // check that the 409 error is seen on a duplicate update
        ClientResponse cr = content.path("0").type(MediaType.TEXT_PLAIN)
                .put(ClientResponse.class , putData);
        int responseStatus = cr.getStatus();
        assertEquals("Expected 409 HTTP error not seen", 409, responseStatus);
    }
    
}