/*******************************************************************************
* 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.basic;
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.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStreamWriter;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.ArrayList;
import java.util.List;
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.api.ODataService;
import com.sap.core.odata.api.batch.BatchHandler;
import com.sap.core.odata.api.batch.BatchRequestPart;
import com.sap.core.odata.api.batch.BatchResponsePart;
import com.sap.core.odata.api.commons.HttpStatusCodes;
import com.sap.core.odata.api.edm.Edm;
import com.sap.core.odata.api.edm.provider.EdmProvider;
import com.sap.core.odata.api.ep.EntityProvider;
import com.sap.core.odata.api.ep.EntityProviderBatchProperties;
import com.sap.core.odata.api.exception.ODataException;
import com.sap.core.odata.api.processor.ODataRequest;
import com.sap.core.odata.api.processor.ODataResponse;
import com.sap.core.odata.api.processor.ODataSingleProcessor;
import com.sap.core.odata.api.uri.info.GetSimplePropertyUriInfo;
import com.sap.core.odata.api.uri.info.PutMergePatchUriInfo;
import com.sap.core.odata.core.PathInfoImpl;
import com.sap.core.odata.core.ep.util.CircleStreamBuffer;
import com.sap.core.odata.core.ep.util.FormatJson;
import com.sap.core.odata.core.ep.util.JsonStreamWriter;
import com.sap.core.odata.core.processor.ODataSingleProcessorService;
import com.sap.core.odata.testutil.helper.StringHelper;
import com.sap.core.odata.testutil.mock.MockFacade;
/**
* @author SAP AG
*/
public class BasicBatchTest extends AbstractBasicTest {
private static final String LF = "\n";
private static final String REG_EX_BOUNDARY = "(([a-zA-Z0-9_\\-\\.'\\+]{1,70})|\"([a-zA-Z0-9_\\-\\.'\\+\\s\\(\\),/:=\\?]{1,69}[a-zA-Z0-9_\\-\\.'\\+\\(\\),/:=\\?])\")";
private static final String REG_EX = "multipart/mixed;\\s*boundary=" + REG_EX_BOUNDARY + "\\s*";
private static final String REQUEST_PAYLOAD =
"--batch_98c1-8b13-36bb" + LF
+ "Content-Type: application/http" + LF
+ "Content-Transfer-Encoding: binary" + LF
+ "Content-Id: mimeHeaderContentId1" + LF
+ LF
+ "GET Employees('1')/EmployeeName HTTP/1.1" + LF
+ "Host: localhost:19000" + LF
+ "Accept: application/atomsvc+xml;q=0.8, application/json;odata=verbose;q=0.5, */*;q=0.1" + LF
+ "Accept-Language: en" + LF
+ "MaxDataServiceVersion: 2.0" + LF
+ "Content-Id: requestHeaderContentId1" + LF
+ LF
+ LF
+ "--batch_98c1-8b13-36bb" + LF
+ "Content-Type: multipart/mixed; boundary=changeset_f980-1cb6-94dd" + LF
+ LF
+ "--changeset_f980-1cb6-94dd" + LF
+ "Content-Type: application/http" + LF
+ "Content-Transfer-Encoding: binary" + LF
+ "Content-Id: mimeHeaderContentId2" + LF
+ LF
+ "PUT Employees('1')/EmployeeName HTTP/1.1" + LF
+ "Host: localhost:19000" + LF
+ "Content-Type: application/json;odata=verbose" + LF
+ "MaxDataServiceVersion: 2.0" + LF
+ "Content-Id: requestHeaderContentId2" + LF
+ LF
+ "{\"EmployeeName\":\"Walter Winter MODIFIED\"}" + LF
+ LF
+ "--changeset_f980-1cb6-94dd--" + LF
+ LF
+ "--batch_98c1-8b13-36bb--";
@Test
public void testBatch() throws Exception {
final HttpPost post = new HttpPost(URI.create(getEndpoint().toString() + "$batch"));
post.setHeader("Content-Type", "multipart/mixed;boundary=batch_98c1-8b13-36bb");
HttpEntity entity = new StringEntity(REQUEST_PAYLOAD);
post.setEntity(entity);
HttpResponse response = getHttpClient().execute(post);
assertNotNull(response);
assertEquals(202, response.getStatusLine().getStatusCode());
assertEquals("HTTP/1.1", response.getProtocolVersion().toString());
assertTrue(response.containsHeader("Content-Length"));
assertTrue(response.containsHeader("Content-Type"));
assertTrue(response.containsHeader("DataServiceVersion"));
assertTrue(response.getEntity().getContentType().getValue().matches(REG_EX));
assertNotNull(response.getEntity().getContent());
String body = StringHelper.inputStreamToString(response.getEntity().getContent());
assertTrue(body.contains("Content-Id: mimeHeaderContentId1"));
assertTrue(body.contains("Content-Id: requestHeaderContentId1"));
assertTrue(body.contains("Content-Id: mimeHeaderContentId2"));
assertTrue(body.contains("Content-Id: requestHeaderContentId2"));
}
static class TestSingleProc extends ODataSingleProcessor {
@Override
public ODataResponse executeBatch(final BatchHandler handler, final String requestContentType, final InputStream content) {
assertFalse(getContext().isInBatchMode());
ODataResponse batchResponse;
List<BatchResponsePart> batchResponseParts = new ArrayList<BatchResponsePart>();
PathInfoImpl pathInfo = new PathInfoImpl();
try {
pathInfo.setServiceRoot(new URI("http://localhost:19000/odata"));
EntityProviderBatchProperties batchProperties = EntityProviderBatchProperties.init().pathInfo(pathInfo).build();
List<BatchRequestPart> batchParts = EntityProvider.parseBatchRequest(requestContentType, content, batchProperties);
for (BatchRequestPart batchPart : batchParts) {
batchResponseParts.add(handler.handleBatchPart(batchPart));
}
batchResponse = EntityProvider.writeBatchResponse(batchResponseParts);
} catch (URISyntaxException e) {
throw new RuntimeException(e);
} catch (ODataException e) {
throw new RuntimeException(e);
}
return batchResponse;
}
@Override
public BatchResponsePart executeChangeSet(final BatchHandler handler, final List<ODataRequest> requests) throws ODataException {
assertTrue(getContext().isInBatchMode());
List<ODataResponse> responses = new ArrayList<ODataResponse>();
for (ODataRequest request : requests) {
ODataResponse response = handler.handleRequest(request);
if (response.getStatus().getStatusCode() >= HttpStatusCodes.BAD_REQUEST.getStatusCode()) {
// Rollback
List<ODataResponse> errorResponses = new ArrayList<ODataResponse>(1);
errorResponses.add(response);
return BatchResponsePart.responses(errorResponses).changeSet(false).build();
}
responses.add(response);
}
return BatchResponsePart.responses(responses).changeSet(true).build();
}
@Override
public ODataResponse readEntitySimpleProperty(final GetSimplePropertyUriInfo uriInfo, final String contentType) throws ODataException {
assertTrue(getContext().isInBatchMode());
CircleStreamBuffer buffer = new CircleStreamBuffer();
BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(buffer.getOutputStream()));
JsonStreamWriter jsonStreamWriter = new JsonStreamWriter(writer);
try {
jsonStreamWriter.beginObject()
.name(FormatJson.D)
.beginObject()
.namedStringValue("EmployeeName", "Walter Winter")
.endObject()
.endObject();
writer.flush();
buffer.closeWrite();
} catch (IOException e) {
buffer.close();
throw new RuntimeException(e);
}
ODataResponse oDataResponse = ODataResponse.entity(buffer.getInputStream()).status(HttpStatusCodes.OK).contentHeader("application/json").build();
return oDataResponse;
}
@Override
public ODataResponse updateEntitySimpleProperty(final PutMergePatchUriInfo uriInfo, final InputStream content, final String requestContentType, final String contentType) throws ODataException {
assertTrue(getContext().isInBatchMode());
ODataResponse oDataResponse = ODataResponse.status(HttpStatusCodes.NO_CONTENT).build();
return oDataResponse;
}
}
@Override
protected ODataSingleProcessor createProcessor() throws ODataException {
return new TestSingleProc();
}
@Override
protected ODataService createService() throws ODataException {
final EdmProvider provider = createEdmProvider();
final ODataSingleProcessor processor = createProcessor();
return new ODataSingleProcessorService(provider, processor) {
Edm edm = MockFacade.getMockEdm();
@Override
public Edm getEntityDataModel() throws ODataException {
return edm;
}
};
}
}