/*******************************************************************************
 * Copyright (c) 2012-2016 Codenvy, S.A.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * <p/>
 * Contributors:
 * Codenvy, S.A. - initial API and implementation
 *******************************************************************************/
package org.everrest.core.impl.integration;

import org.everrest.core.impl.BaseTest;
import org.everrest.core.impl.ContainerResponse;
import org.junit.Test;

import javax.ws.rs.GET;
import javax.ws.rs.HEAD;
import javax.ws.rs.Path;
import javax.ws.rs.core.Application;
import java.util.Set;

import static com.google.common.collect.Sets.newHashSet;
import static org.junit.Assert.assertEquals;

/**
 * @author Dmytro Katayev
 */
public class HEADMethodTest extends BaseTest {

    @Path("/a")
    public static class Resource_with_HEAD_method {
        @GET
        public String get() {
            return "GET resource";
        }

        @HEAD
        public String head() {
            return "HEAD resource";
        }
    }

    @Path("/b")
    public static class Resource_without_HEAD_method {
        @GET
        public String get() {
            return "GET resource";
        }
    }

    @Test
    public void whenHEADMethodIsAvailableUseIt() throws Exception {
        processor.addApplication(new Application() {
            @Override
            public Set<Object> getSingletons() {
                return newHashSet(new Resource_with_HEAD_method());
            }
        });

        ContainerResponse response = launcher.service("HEAD", "/a", "", null, null, null);

        assertEquals(200, response.getStatus());
        assertEquals("HEAD resource", response.getResponse().getEntity());
    }

    @Test
    public void whenHEADMethodIsNotThenUseGETMethod() throws Exception {
        processor.addApplication(new Application() {
            @Override
            public Set<Object> getSingletons() {
                return newHashSet(new Resource_without_HEAD_method());
            }
        });

        ContainerResponse response = launcher.service("HEAD", "/b", "", null, null, null);

        assertEquals(200, response.getStatus());
        assertEquals("GET resource", response.getResponse().getEntity());
    }
}