/*******************************************************************************
* 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.io.OutputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.xml.stream.XMLOutputFactory;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;
import org.junit.Before;
import org.junit.Test;
import com.sap.core.odata.api.edm.Edm;
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.core.commons.ContentType;
import com.sap.core.odata.core.ep.AbstractProviderTest;
import com.sap.core.odata.core.ep.aggregator.EntityInfoAggregator;
import com.sap.core.odata.core.ep.util.CircleStreamBuffer;
import com.sap.core.odata.testutil.helper.StringHelper;
import com.sap.core.odata.testutil.mock.MockFacade;
public class TombstoneProducerTest extends AbstractProviderTest {
private static final String DEFAULT_CHARSET = ContentType.CHARSET_UTF_8;
private static final String XML_VERSION = "1.0";
private XMLStreamWriter writer;
private EntityProviderWriteProperties defaultProperties;
private EntityInfoAggregator defaultEia;
private CircleStreamBuffer csb;
public TombstoneProducerTest(final StreamWriterImplType type) {
super(type);
}
@Before
public void initialize() throws Exception {
csb = new CircleStreamBuffer();
OutputStream outStream = csb.getOutputStream();
writer = XMLOutputFactory.newInstance().createXMLStreamWriter(outStream, DEFAULT_CHARSET);
defaultProperties = EntityProviderWriteProperties.serviceRoot(BASE_URI).build();
defaultEia = EntityInfoAggregator.create(MockFacade.getMockEdm().getDefaultEntityContainer().getEntitySet("Rooms"), defaultProperties.getExpandSelectTree());
}
@Test
public void oneDeletedEntryWithAllProperties() throws Exception {
//Prepare Data
List<Map<String, Object>> deletedEntries = new ArrayList<Map<String, Object>>();
Map<String, Object> data = new HashMap<String, Object>();
data.put("Id", "1");
data.put("Name", "Neu Schwanstein");
data.put("Seats", new Integer(20));
data.put("Version", new Integer(3));
deletedEntries.add(data);
//Execute producer
execute(deletedEntries);
//Verify
String xml = getXML();
assertXpathExists("/a:feed/at:deleted-entry[@ref and @when]", xml);
assertXpathEvaluatesTo("http://host:80/service/Rooms('1')", "/a:feed/at:deleted-entry/@ref", xml);
}
@Test
public void twoDeletedEntriesWithAllProperties() throws Exception {
//Prepare Data
List<Map<String, Object>> deletedEntries = new ArrayList<Map<String, Object>>();
Map<String, Object> data = new HashMap<String, Object>();
data.put("Id", "1");
data.put("Name", "Neu Schwanstein");
data.put("Seats", new Integer(20));
data.put("Version", new Integer(3));
deletedEntries.add(data);
Map<String, Object> data2 = new HashMap<String, Object>();
data2.put("Id", "2");
data2.put("Name", "Neu Schwanstein");
data2.put("Seats", new Integer(20));
data2.put("Version", new Integer(3));
deletedEntries.add(data2);
//Execute producer
execute(deletedEntries);
//Verify
String xml = getXML();
assertXpathExists("/a:feed/at:deleted-entry[@ref and @when]", xml);
assertXpathExists("/a:feed/at:deleted-entry[@ref=\"http://host:80/service/Rooms('1')\"]", xml);
assertXpathExists("/a:feed/at:deleted-entry[@ref=\"http://host:80/service/Rooms('2')\"]", xml);
}
@Test
public void oneDeletedEntryWithKeyProperties() throws Exception {
//Prepare Data
List<Map<String, Object>> deletedEntries = new ArrayList<Map<String, Object>>();
Map<String, Object> data = new HashMap<String, Object>();
data.put("Id", "1");
deletedEntries.add(data);
//Execute producer
execute(deletedEntries);
//Verify
String xml = getXML();
assertXpathExists("/a:feed/at:deleted-entry[@ref and @when]", xml);
assertXpathEvaluatesTo("http://host:80/service/Rooms('1')", "/a:feed/at:deleted-entry/@ref", xml);
}
@Test(expected = EntityProviderException.class)
public void oneDeletedEntryWithoutProperties() throws Exception {
//Prepare Data
List<Map<String, Object>> deletedEntries = new ArrayList<Map<String, Object>>();
Map<String, Object> data = new HashMap<String, Object>();
deletedEntries.add(data);
//Execute producer
execute(deletedEntries);
}
@Test
public void emptyEntryList() throws Exception {
//Prepare Data
List<Map<String, Object>> deletedEntries = new ArrayList<Map<String, Object>>();
//Execute producer
execute(deletedEntries);
//Verify
String xml = getXML();
assertXpathExists("/a:feed", xml);
assertXpathNotExists("/a:feed/at:deleted-entry[@ref and @when]", xml);
}
@Test
public void entryWithSyndicatedUpdatedMappingPresent() throws Exception {
//Prepare Data
List<Map<String, Object>> deletedEntries = new ArrayList<Map<String, Object>>();
deletedEntries.add(employeeData);
defaultEia = EntityInfoAggregator.create(MockFacade.getMockEdm().getDefaultEntityContainer().getEntitySet("Employees"), defaultProperties.getExpandSelectTree());
//Execute producer
execute(deletedEntries);
//Verify
String xml = getXML();
assertXpathExists("/a:feed/at:deleted-entry[@ref and @when]", xml);
assertXpathEvaluatesTo("http://host:80/service/Employees('1')", "/a:feed/at:deleted-entry/@ref", xml);
assertXpathEvaluatesTo("1999-01-01T00:00:00Z", "/a:feed/at:deleted-entry/@when", xml);
}
@Test
public void entryWithSyndicatedUpdatedMappingNotPresent() throws Exception {
//Prepare Data
List<Map<String, Object>> deletedEntries = new ArrayList<Map<String, Object>>();
Map<String, Object> data = new HashMap<String, Object>();
data.put("EmployeeId", "1");
deletedEntries.add(data);
defaultEia = EntityInfoAggregator.create(MockFacade.getMockEdm().getDefaultEntityContainer().getEntitySet("Employees"), defaultProperties.getExpandSelectTree());
//Execute producer
execute(deletedEntries);
//Verify
String xml = getXML();
assertXpathExists("/a:feed/at:deleted-entry[@ref and @when]", xml);
assertXpathEvaluatesTo("http://host:80/service/Employees('1')", "/a:feed/at:deleted-entry/@ref", xml);
assertXpathNotExists("/a:feed/at:deleted-entry[@when='1999-01-01T00:00:00Z']", xml);
}
@Test
public void entryWithSyndicatedUpdatedMappingNull() throws Exception {
//Prepare Data
List<Map<String, Object>> deletedEntries = new ArrayList<Map<String, Object>>();
employeeData.put("EntryDate", null);
deletedEntries.add(employeeData);
defaultEia = EntityInfoAggregator.create(MockFacade.getMockEdm().getDefaultEntityContainer().getEntitySet("Employees"), defaultProperties.getExpandSelectTree());
//Execute producer
execute(deletedEntries);
//Verify
String xml = getXML();
assertXpathExists("/a:feed/at:deleted-entry[@ref and @when]", xml);
assertXpathEvaluatesTo("http://host:80/service/Employees('1')", "/a:feed/at:deleted-entry/@ref", xml);
assertXpathNotExists("/a:feed/at:deleted-entry[@when='1999-01-01T00:00:00Z']", xml);
}
private String getXML() throws IOException {
InputStream inputStream = csb.getInputStream();
assertNotNull(inputStream);
String xml = StringHelper.inputStreamToString(inputStream);
assertNotNull(xml);
return xml;
}
void execute(final List<Map<String, Object>> deletedEntries) throws XMLStreamException, EntityProviderException {
TombstoneProducer producer = new TombstoneProducer();
writer.writeStartDocument(DEFAULT_CHARSET, XML_VERSION);
writer.writeStartElement("feed");
writer.writeDefaultNamespace(Edm.NAMESPACE_ATOM_2005);
writer.writeNamespace(TombstoneCallback.PREFIX_TOMBSTONE, TombstoneCallback.NAMESPACE_TOMBSTONE);
producer.appendTombstones(writer, defaultEia, defaultProperties, deletedEntries);
writer.writeEndDocument();
}
}