/*******************************************************************************
 * Copyright 2013 SAP AG
 * 
 * Licensed 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 com.sap.core.odata.fit.ref;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;

import java.net.URI;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.junit.Test;

import com.sap.core.odata.testutil.helper.StringHelper;

/**
 * 
 * @author SAP AG
 */
public class BatchTest extends AbstractRefTest {

  @Test
  public void testSimpleBatch() throws Exception {
    String responseBody = execute("/simple.batch");
    assertFalse(responseBody.contains("<error xmlns=\"http://schemas.microsoft.com/ado/2007/08/dataservices/metadata\">"));
    assertTrue(responseBody.contains("<edmx:Edmx Version=\"1.0\""));
  }

  @Test
  public void testChangeSetBatch() throws Exception {
    String responseBody = execute("/changeset.batch");
    assertTrue(responseBody.contains("Frederic Fall MODIFIED"));
  }

  @Test
  public void testContentIdReferencing() throws Exception {
    String responseBody = execute("/batchWithContentId.batch");
    assertTrue(responseBody.contains("HTTP/1.1 201 Created"));
    assertTrue(responseBody.contains("HTTP/1.1 204 No Content"));
    assertTrue(responseBody.contains("HTTP/1.1 200 OK"));
    assertTrue(responseBody.contains("\"EmployeeName\":\"Frederic Fall MODIFIED\""));
    assertTrue(responseBody.contains("\"Age\":40"));
  }

  @Test
  public void testContentIdEchoing() throws Exception {
    String responseBody = execute("/batchWithContentId.batch");
    assertTrue(responseBody.contains("Content-Id: 1"));
    assertTrue(responseBody.contains("Content-Id: 2"));
    assertTrue(responseBody.contains("Content-Id: 3"));
    assertTrue(responseBody.contains("Content-Id: 4"));
    assertTrue(responseBody.contains("Content-Id: AAA"));
    assertTrue(responseBody.contains("Content-Id: newEmployee"));
  }

  @Test
  public void testErrorBatch() throws Exception {
    String responseBody = execute("/error.batch");
    assertTrue(responseBody.contains("HTTP/1.1 404 Not Found"));
  }

  private String execute(final String batchResource) throws Exception {
    final HttpPost post = new HttpPost(URI.create(getEndpoint().toString() + "$batch"));
    post.setHeader("Content-Type", "multipart/mixed;boundary=batch_123");

    String body = StringHelper.inputStreamToString(this.getClass().getResourceAsStream(batchResource), true);
    HttpEntity entity = new StringEntity(body);
    post.setEntity(entity);
    HttpResponse response = getHttpClient().execute(post);

    assertNotNull(response);
    assertEquals(202, response.getStatusLine().getStatusCode());

    String responseBody = StringHelper.inputStreamToString(response.getEntity().getContent(), true);
    return responseBody;
  }

}