| /******************************************************************************* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF 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.apache.olingo.odata2.core.ep.producer; |
| |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.net.URI; |
| import java.net.URISyntaxException; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.apache.olingo.odata2.api.ODataCallback; |
| import org.apache.olingo.odata2.api.edm.EdmEntitySet; |
| import org.apache.olingo.odata2.api.ep.EntityProviderException; |
| import org.apache.olingo.odata2.api.ep.EntityProviderWriteProperties; |
| import org.apache.olingo.odata2.api.ep.callback.TombstoneCallback; |
| import org.apache.olingo.odata2.api.processor.ODataResponse; |
| import org.apache.olingo.odata2.core.ep.JsonEntityProvider; |
| import org.apache.olingo.odata2.testutil.fit.BaseTest; |
| import org.apache.olingo.odata2.testutil.helper.StringHelper; |
| import org.apache.olingo.odata2.testutil.mock.MockFacade; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import com.google.gson.Gson; |
| |
| public class JsonFeedWithDeltaLinkProducerTest extends BaseTest { |
| |
| protected static final String BASE_URI = "http://host:80/service/"; |
| protected static final EntityProviderWriteProperties DEFAULT_PROPERTIES = |
| EntityProviderWriteProperties.serviceRoot(URI.create(BASE_URI)).build(); |
| |
| private ArrayList<Map<String, Object>> deletedRoomData; |
| private ArrayList<Map<String, Object>> roomsData; |
| |
| private Gson gson = new Gson(); |
| |
| private void initializeRoomData() { |
| Map<String, Object> roomData1 = new HashMap<String, Object>(); |
| roomData1.put("Id", "1"); |
| roomData1.put("Seats", 123); |
| roomData1.put("Version", 1); |
| Map<String, Object> roomData2 = new HashMap<String, Object>(); |
| roomData2.put("Id", "2"); |
| roomData2.put("Seats", 66); |
| roomData2.put("Version", 2); |
| |
| roomsData = new ArrayList<Map<String, Object>>(); |
| roomsData.add(roomData1); |
| roomsData.add(roomData2); |
| } |
| |
| private void initializeDeletedRoomData() { |
| deletedRoomData = new ArrayList<Map<String, Object>>(); |
| for (int i = roomsData.size() + 1; i <= roomsData.size() + 1 + 2; i++) { |
| 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)); |
| deletedRoomData.add(tmp); |
| } |
| } |
| |
| @Before |
| public void before() { |
| initializeRoomData(); |
| initializeDeletedRoomData(); |
| } |
| |
| @Test |
| public void deltaLink() throws Exception { |
| final EdmEntitySet entitySet = MockFacade.getMockEdm().getDefaultEntityContainer().getEntitySet("Rooms"); |
| |
| TombstoneCallback tombstoneCallback = |
| new TombstoneCallbackImpl(null, BASE_URI + "Rooms?!deltatoken=1234"); |
| |
| final String json = writeRoomData(entitySet, tombstoneCallback); |
| |
| assertTrue("Delta Link missing or wrong!", json |
| .contains("__delta\":\"http://host:80/service/Rooms?!deltatoken=1234")); |
| } |
| |
| @Test |
| public void deletedEntries() throws Exception { |
| final EdmEntitySet entitySet = MockFacade.getMockEdm().getDefaultEntityContainer().getEntitySet("Rooms"); |
| |
| TombstoneCallback tombstoneCallback = |
| new TombstoneCallbackImpl(deletedRoomData, null); |
| |
| final String json = writeRoomData(entitySet, tombstoneCallback); |
| |
| assertDeletedEntries(json); |
| assertTrue("Somthing wrong with closing brakets after deleted entries!", json.endsWith("}]}}")); |
| } |
| |
| @Test |
| public void deletedEntriesEmpty() throws Exception { |
| final EdmEntitySet entitySet = MockFacade.getMockEdm().getDefaultEntityContainer().getEntitySet("Rooms"); |
| |
| deletedRoomData.clear(); |
| |
| TombstoneCallback tombstoneCallback = |
| new TombstoneCallbackImpl(deletedRoomData, null); |
| |
| final String json = writeRoomData(entitySet, tombstoneCallback); |
| |
| assertTrue("Something wrong with empty deletedRoomData list!", json.contains("nr_Building\"}}}]}}")); |
| } |
| |
| @Test |
| public void deletedEntriesWithNoPreviousData() throws Exception { |
| final EdmEntitySet entitySet = MockFacade.getMockEdm().getDefaultEntityContainer().getEntitySet("Rooms"); |
| |
| TombstoneCallback tombstoneCallback = |
| new TombstoneCallbackImpl(deletedRoomData, null); |
| |
| roomsData.clear(); |
| |
| final String json = writeRoomData(entitySet, tombstoneCallback); |
| |
| assertFalse("Something wrong with empty RoomData list in combination with deleted entries!", |
| json.contains("[,")); |
| } |
| |
| @Test |
| public void deletedEntriesAndDeltaLink() throws Exception { |
| final EdmEntitySet entitySet = MockFacade.getMockEdm().getDefaultEntityContainer().getEntitySet("Rooms"); |
| |
| TombstoneCallback tombstoneCallback = |
| new TombstoneCallbackImpl(deletedRoomData, BASE_URI + "Rooms?!deltatoken=1234"); |
| |
| final String json = writeRoomData(entitySet, tombstoneCallback); |
| |
| assertTrue("Delta Link missing or wrong!", json |
| .contains("__delta\":\"http://host:80/service/Rooms?!deltatoken=1234")); |
| assertDeletedEntries(json); |
| |
| assertTrue("Somthing wrong with closing brakets after deleted entries!", json.contains("}],\"__delta")); |
| |
| } |
| |
| private void assertDeletedEntries(final String json) { |
| assertTrue("Somthing wrong with @odata.context!", json |
| .contains("{\"@odata.context\":\"$metadata#Rooms/$deletedEntity\",\"")); |
| assertTrue( |
| "Somthing wrong with deleted entry!", |
| json.contains("{\"@odata.context\":\"$metadata#Rooms/$deletedEntity\",\"id\":\"http://" |
| + "host:80/service/Rooms('3')\"}")); |
| assertTrue( |
| "Somthing wrong with deleted entry!", |
| json.contains("{\"@odata.context\":\"$metadata#Rooms/$deletedEntity\",\"id\":\"http://" |
| + "host:80/service/Rooms('4')\"}")); |
| assertTrue( |
| "Somthing wrong with deleted entry!", |
| json.contains("{\"@odata.context\":\"$metadata#Rooms/$deletedEntity\",\"id\":\"http://" |
| + "host:80/service/Rooms('5')\"}")); |
| } |
| |
| private String writeRoomData(final EdmEntitySet entitySet, final TombstoneCallback tombstoneCallback) |
| throws URISyntaxException, EntityProviderException, IOException { |
| Map<String, ODataCallback> callbacks = new HashMap<String, ODataCallback>(); |
| callbacks.put(TombstoneCallback.CALLBACK_KEY_TOMBSTONE, tombstoneCallback); |
| |
| EntityProviderWriteProperties properties = |
| EntityProviderWriteProperties.serviceRoot(new URI(BASE_URI)).callbacks(callbacks).build(); |
| |
| final ODataResponse response = new JsonEntityProvider().writeFeed(entitySet, roomsData, |
| properties); |
| assertNotNull(response); |
| assertNotNull(response.getEntity()); |
| assertNull("EntitypProvider must not set content header", response.getContentHeader()); |
| |
| final String json = StringHelper.inputStreamToString((InputStream) response.getEntity()); |
| assertNotNull(json); |
| |
| validate(json); |
| |
| return json; |
| } |
| |
| private void validate(final String json) { |
| Object obj = gson.fromJson(json, Object.class); |
| assertNotNull(obj); |
| } |
| |
| } |