/*
 * Licensed to DuraSpace under one or more contributor license agreements.
 * See the NOTICE file distributed with this work for additional information
 * regarding copyright ownership.
 *
 * DuraSpace licenses this file to you under the Apache License,
 * Version 2.0 (the "License"); you may not use this file except in
 * compliance with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.fcrepo.http.commons.exceptionhandlers;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;

import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.Response;

import org.junit.Before;
import org.junit.Test;

import java.util.stream.Stream;

/**
 * <p>WebApplicationExceptionMapperTest class.</p>
 *
 * @author lsitu
 * @author awoods
 */
public class WebApplicationExceptionMapperTest {

    private WebApplicationExceptionMapper testObj;

    @Before
    public void setUp() {
        testObj = new WebApplicationExceptionMapper();
    }

    @Test
    public void testToResponse() {
        final WebApplicationException input = new WebApplicationException();
        final Response actual = testObj.toResponse(input);
        assertEquals(input.getResponse().getStatus(), actual.getStatus());
    }

    /**
     * Insures that the WebApplicationExceptionMapper does not provide an entity body to 204, 205, or 304 responses.
     * Entity bodies on other responses are mapped appropriately.
     */
    @Test
    public void testNoEntityBody() {
        Stream.of(204, 205, 304).forEach(status -> {
                    final WebApplicationException input = new WebApplicationException("Error message", status);
                    final Response actual = testObj.toResponse(input);
                    assertNull("Responses with a " + status + " status code MUST NOT carry an entity body.",
                            actual.getEntity());
                }
        );

        final WebApplicationException input = new WebApplicationException("Error message", 500);
        final Response actual = testObj.toResponse(input);
        assertEquals("Error message", actual.getEntity());
    }
}