/*******************************************************************************
* 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.core.ep.producer;
import static org.custommonkey.xmlunit.XMLAssert.assertXpathEvaluatesTo;
import static org.custommonkey.xmlunit.XMLAssert.assertXpathExists;
import static org.custommonkey.xmlunit.XMLAssert.assertXpathNotExists;
import static org.junit.Assert.assertNotNull;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
import org.junit.Test;
import com.sap.core.odata.api.ODataCallback;
import com.sap.core.odata.api.edm.EdmEntitySet;
import com.sap.core.odata.api.ep.EntityProvider;
import com.sap.core.odata.api.ep.EntityProviderException;
import com.sap.core.odata.api.ep.EntityProviderWriteProperties;
import com.sap.core.odata.api.ep.callback.TombstoneCallback;
import com.sap.core.odata.api.processor.ODataResponse;
import com.sap.core.odata.core.ep.AbstractProviderTest;
import com.sap.core.odata.testutil.helper.StringHelper;
import com.sap.core.odata.testutil.mock.MockFacade;
public class XmlFeedWithTombstonesProducerTest extends AbstractProviderTest {
public XmlFeedWithTombstonesProducerTest(final StreamWriterImplType type) {
super(type);
}
private ArrayList<Map<String, Object>> deletedRoomsData;
private Map<String, ODataCallback> callbacks;
@Test
public void testOneElementDeletedEntry() throws Exception {
initializeRoomData(2);
initializeCallbacks();
EntityProviderWriteProperties properties = EntityProviderWriteProperties.serviceRoot(BASE_URI).callbacks(callbacks).build();
EdmEntitySet entitySet = MockFacade.getMockEdm().getDefaultEntityContainer().getEntitySet("Rooms");
String xmlString = execute(properties, entitySet);
assertXpathExists("/a:feed/at:deleted-entry", xmlString);
assertXpathEvaluatesTo("http://host:80/service/Rooms('2')", "/a:feed/at:deleted-entry/@ref", xmlString);
}
@Test
public void testTwoElementsDeletedEntry() throws Exception {
initializeRoomData(4);
initializeCallbacks();
EntityProviderWriteProperties properties = EntityProviderWriteProperties.serviceRoot(BASE_URI).callbacks(callbacks).build();
EdmEntitySet entitySet = MockFacade.getMockEdm().getDefaultEntityContainer().getEntitySet("Rooms");
String xmlString = execute(properties, entitySet);
assertXpathExists("/a:feed/at:deleted-entry", xmlString);
assertXpathEvaluatesTo("2", "count(/a:feed/at:deleted-entry)", xmlString);
}
@Test
public void nullAsCallbackResult() throws Exception {
initializeRoomData(2);
TombstoneCallback tombstoneCallback = new TombstoneCallbackImpl(null, null);
callbacks = new HashMap<String, ODataCallback>();
callbacks.put(TombstoneCallback.CALLBACK_KEY_TOMBSTONE, tombstoneCallback);
EntityProviderWriteProperties properties = EntityProviderWriteProperties.serviceRoot(BASE_URI).callbacks(callbacks).build();
EdmEntitySet entitySet = MockFacade.getMockEdm().getDefaultEntityContainer().getEntitySet("Rooms");
String xmlString = execute(properties, entitySet);
assertXpathNotExists("/a:feed/at:deleted-entry", xmlString);
}
@Test
public void deltaLinkPresent() throws Exception {
initializeRoomData(2);
initializeDeletedRoomData();
TombstoneCallback tombstoneCallback = new TombstoneCallbackImpl(deletedRoomsData, BASE_URI.toASCIIString() + "Rooms?!deltatoken=1234");
callbacks = new HashMap<String, ODataCallback>();
callbacks.put(TombstoneCallback.CALLBACK_KEY_TOMBSTONE, tombstoneCallback);
EntityProviderWriteProperties properties = EntityProviderWriteProperties.serviceRoot(BASE_URI).callbacks(callbacks).build();
EdmEntitySet entitySet = MockFacade.getMockEdm().getDefaultEntityContainer().getEntitySet("Rooms");
String xmlString = execute(properties, entitySet);
assertXpathExists("/a:feed/at:deleted-entry", xmlString);
assertXpathExists("/a:feed/a:link[@rel=\"delta\" and @href=\"" + BASE_URI.toASCIIString() + "Rooms?!deltatoken=1234" + "\"]", xmlString);
}
@Test
public void deltaLinkAndDataNull() throws Exception {
initializeRoomData(2);
initializeDeletedRoomData();
TombstoneCallback tombstoneCallback = new TombstoneCallbackImpl(null, null);
callbacks = new HashMap<String, ODataCallback>();
callbacks.put(TombstoneCallback.CALLBACK_KEY_TOMBSTONE, tombstoneCallback);
EntityProviderWriteProperties properties = EntityProviderWriteProperties.serviceRoot(BASE_URI).callbacks(callbacks).build();
EdmEntitySet entitySet = MockFacade.getMockEdm().getDefaultEntityContainer().getEntitySet("Rooms");
String xmlString = execute(properties, entitySet);
assertXpathNotExists("/a:feed/at:deleted-entry", xmlString);
assertXpathNotExists("/a:feed/a:link[@rel=\"http://odata.org/delta\" and @href]", xmlString);
}
private String execute(final EntityProviderWriteProperties properties, final EdmEntitySet entitySet) throws EntityProviderException, IOException {
ODataResponse response = EntityProvider.writeFeed("application/atom+xml", entitySet, roomsData, properties);
assertNotNull(response);
String xmlString = StringHelper.inputStreamToString((InputStream) response.getEntity());
return xmlString;
}
@Test
public void testNoElementDeletedEntry() throws Exception {
initializeRoomData(1);
initializeCallbacks();
EntityProviderWriteProperties properties = EntityProviderWriteProperties.serviceRoot(BASE_URI).callbacks(callbacks).build();
EdmEntitySet entitySet = MockFacade.getMockEdm().getDefaultEntityContainer().getEntitySet("Rooms");
String xmlString = execute(properties, entitySet);
assertXpathNotExists("/a:feed/at:deleted-entry", xmlString);
}
private void initializeDeletedRoomData() {
deletedRoomsData = new ArrayList<Map<String, Object>>();
for (int i = 2; i <= roomsData.size(); i = i + 2) {
HashMap<String, Object> tmp = new HashMap<String, Object>();
tmp.put("Id", "" + i);
tmp.put("Name", "Neu Schwanstein" + i);
tmp.put("Seats", new Integer(20));
tmp.put("Version", new Integer(3));
deletedRoomsData.add(tmp);
}
}
private void initializeCallbacks() {
initializeDeletedRoomData();
TombstoneCallback tombstoneCallback = new TombstoneCallbackImpl(deletedRoomsData, null);
callbacks = new HashMap<String, ODataCallback>();
callbacks.put(TombstoneCallback.CALLBACK_KEY_TOMBSTONE, tombstoneCallback);
}
}