/*
* 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 gobblin.writer.objectstore;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;
import java.util.Map;
import java.util.UUID;
import org.apache.avro.Schema;
import org.apache.avro.generic.GenericData;
import org.apache.avro.generic.GenericRecord;
import org.apache.commons.io.IOUtils;
import org.testng.Assert;
import org.testng.annotations.Test;
import com.google.common.collect.Iterables;
import com.google.common.collect.Maps;
import com.typesafe.config.Config;
import com.typesafe.config.ConfigFactory;
import gobblin.configuration.State;
import gobblin.configuration.WorkUnitState;
import gobblin.converter.objectstore.ObjectStoreDeleteConverter;
import gobblin.writer.objectstore.response.GetObjectResponse;
public class ObjectStoreWriterTest {
private static final String SCHEMA_STR =
"{ \"type\" : \"record\", \"name\" : \"test_schema\", \"namespace\" : \"com.gobblin.test\", "
+ "\"fields\" : [ { \"name\" : \"objectId\", \"type\" : \"string\"} ], \"doc:\" : \"\" }";
@Test
public void testDelete() throws Exception {
WorkUnitState wu = new WorkUnitState();
wu.setProp(ObjectStoreDeleteConverter.OBJECT_ID_FIELD, "objectId");
ObjectStoreClient client = new MockObjectStoreClient();
byte[] objId = client.put(IOUtils.toInputStream("test", "UTF-8"), ConfigFactory.empty());
Assert.assertEquals(IOUtils.toString(client.getObject(objId).getObjectData(), "UTF-8"), "test");
try (ObjectStoreWriter writer = new ObjectStoreWriter(client, new State());) {
ObjectStoreDeleteConverter converter = new ObjectStoreDeleteConverter();
converter.init(wu);
Schema schema = new Schema.Parser().parse(SCHEMA_STR);
GenericRecord datum = new GenericData.Record(schema);
datum.put("objectId", objId);
Iterables.getFirst(converter.convertRecord(converter.convertSchema(schema, wu), datum, wu), null);
writer.write(Iterables.getFirst(
converter.convertRecord(converter.convertSchema(schema, wu), datum, new WorkUnitState()), null));
}
try {
client.getObject(objId);
Assert.fail("should have thrown an IOException as object is already deleted");
} catch (IOException e) {
// All good exception thrown because object does not exist
}
}
private static class MockObjectStoreClient implements ObjectStoreClient {
private Map<byte[], String> store;
public MockObjectStoreClient() {
this.store = Maps.newHashMap();
}
@Override
public byte[] put(InputStream objectStream, Config putConfig) throws IOException {
byte[] objectId = UUID.randomUUID().toString().getBytes(StandardCharsets.UTF_8);
this.store.put(objectId, IOUtils.toString(objectStream, "UTF-8"));
return objectId;
}
@Override
public void delete(byte[] objectId, Config deletetConfig) throws IOException {
this.store.remove(objectId);
}
@Override
public Config getObjectProps(byte[] objectId) {
return ConfigFactory.empty();
}
@Override
public void close() throws IOException {
this.store.clear();
}
@Override
public GetObjectResponse getObject(byte[] objectId) throws IOException {
if (!this.store.containsKey(objectId)) {
throw new IOException("Object not found " + objectId);
}
return new GetObjectResponse(IOUtils.toInputStream(this.store.get(objectId), "UTF-8"), ConfigFactory.empty());
}
@Override
public void setObjectProps(byte[] objectId, Config conf) throws IOException {}
@Override
public byte[] put(InputStream objectStream, byte[] objectId, Config putConfig) throws IOException {
throw new UnsupportedOperationException();
}
}
}