package org.jboss.resteasy.test.response;

import javax.ws.rs.client.Client;
import javax.ws.rs.client.ClientBuilder;
import javax.ws.rs.client.Invocation.Builder;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;

import org.jboss.arquillian.container.test.api.Deployment;
import org.jboss.arquillian.container.test.api.RunAsClient;
import org.jboss.arquillian.junit.Arquillian;
import org.jboss.resteasy.test.response.resource.SimpleResource;
import org.jboss.resteasy.utils.PortProviderUtil;
import org.jboss.resteasy.utils.TestUtil;
import org.jboss.shrinkwrap.api.Archive;
import org.jboss.shrinkwrap.api.spec.WebArchive;
import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.runner.RunWith;

/**
 * @tpSubChapter Parameters
 * @tpChapter Integration tests
 * @tpTestCaseDetails HEAD requests always return non-null Content-Length
 * @tpInfo RESTEASY-1365
 * @tpSince RESTEasy 3.0.19
 * @author Ivo Studensky
 */
@RunWith(Arquillian.class)
@RunAsClient
public class HeadContentLengthTest {

    static Client client;

    @Deployment
    public static Archive<?> deploy() throws Exception {
        WebArchive war = TestUtil.prepareArchive(HeadContentLengthTest.class.getSimpleName());
        return TestUtil.finishContainerPrepare(war, null, SimpleResource.class);
    }

    @BeforeClass
    public static void init() {
        client = ClientBuilder.newClient();
    }

    @AfterClass
    public static void after() throws Exception {
        client.close();
    }

    private String generateURL(String path) {
        return PortProviderUtil.generateURL(path, HeadContentLengthTest.class.getSimpleName());
    }

    /**
     * @tpTestDetails HEAD requests always return non-null Content-Length
     * @tpSince RESTEasy 3.0.19
     */
    @Test
    public void testHeadContentLength() {
        Builder builder = client.target(generateURL("/simpleresource")).request();
        builder.accept(MediaType.TEXT_PLAIN_TYPE);

        Response getResponse = builder.get();
        String responseBody = getResponse.readEntity(String.class);
        Assert.assertEquals("The response body doesn't match the expected", "hello", responseBody);
        int getResponseLength = getResponse.getLength();
        Assert.assertEquals("The response length doesn't match the expected", 5, getResponseLength);

        Response headResponse = builder.head();
        int headResponseLength = headResponse.getLength();
        Assert.assertEquals("The response length from GET and HEAD request doesn't match", getResponseLength,
                headResponseLength);
    }

}
