odata2-lib/odata-core/src/test/java/org/apache/olingo/odata2/core/ep/ProducerConsumerIntegrationTest.java

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package org.apache.olingo.odata2.core.ep;

import static org.junit.Assert.assertEquals;

import java.io.InputStream;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.HashMap;
import java.util.Map;

import org.apache.olingo.odata2.api.edm.EdmEntitySet;
import org.apache.olingo.odata2.api.ep.EntityProvider;
import org.apache.olingo.odata2.api.ep.EntityProviderException;
import org.apache.olingo.odata2.api.ep.EntityProviderReadProperties;
import org.apache.olingo.odata2.api.ep.EntityProviderWriteProperties;
import org.apache.olingo.odata2.api.ep.entry.ODataEntry;
import org.apache.olingo.odata2.api.processor.ODataResponse;
import org.apache.olingo.odata2.testutil.mock.MockFacade;
import org.junit.Test;

public class ProducerConsumerIntegrationTest {
  protected static final URI BASE_URI;

  static {
    try {
      BASE_URI = new URI("http://host:80/service/");
    } catch (URISyntaxException e) {
      throw new RuntimeException(e);
    }
  }
  private static final EntityProviderReadProperties DEFAULT_READ_PROPERTIES = EntityProviderReadProperties.init()
      .build();
  private static final EntityProviderWriteProperties DEFAULT_WRITE_PROPERTIES = EntityProviderWriteProperties
      .serviceRoot(
          BASE_URI).build();
  private static final String XML = "application/xml";
  private static final String JSON = "application/json";

  @Test
  public void produceRoomAndThenConsumeIt() throws Exception {
    EdmEntitySet roomSet = MockFacade.getMockEdm().getDefaultEntityContainer().getEntitySet("Rooms");
    Map<String, Object> localRoomData = new HashMap<String, Object>();
    localRoomData.put("Id", "1");
    localRoomData.put("Name", "Neu \n Schwanstein蝴蝶");

    Map<String, Object> properties = execute(localRoomData, roomSet, XML);
    assertEquals("1", properties.get("Id"));
    assertEquals("Neu \n Schwanstein蝴蝶", properties.get("Name"));

    Map<String, Object> properties2 = execute(localRoomData, roomSet, JSON);
    assertEquals("1", properties2.get("Id"));
    assertEquals("Neu \n Schwanstein蝴蝶", properties2.get("Name"));
  }

  private Map<String, Object> execute(final Map<String, Object> localRoomData, final EdmEntitySet roomSet,
      final String contentType)
      throws EntityProviderException {
    ODataResponse response = EntityProvider.writeEntry(contentType, roomSet, localRoomData, DEFAULT_WRITE_PROPERTIES);
    InputStream content = (InputStream) response.getEntity();

    ODataEntry entry = EntityProvider.readEntry(contentType, roomSet, content, DEFAULT_READ_PROPERTIES);
    Map<String, Object> properties = entry.getProperties();
    return properties;
  }

}