/*******************************************************************************
* Copyright 2017 Capital One Services, LLC and Bitwise, Inc.
* 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 hydrograph.engine.cascading.filters;
import cascading.operation.Filter;
import cascading.pipe.Each;
import cascading.pipe.Pipe;
import cascading.tuple.Fields;
import cascading.tuple.Tuple;
import com.hotels.plunger.Bucket;
import com.hotels.plunger.Data;
import com.hotels.plunger.DataBuilder;
import com.hotels.plunger.Plunger;
import hydrograph.engine.cascading.filters.JoinGetUnmatchedRecordsFilter;
import org.junit.Test;
import java.util.List;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotEquals;
public class JoinGetUnmatchedRecordsFilterTest {
@Test
public void itShouldRemoveAllMatchedRecords() {
Filter filter = new JoinGetUnmatchedRecordsFilter();
Plunger plunger = new Plunger();
Data data = new DataBuilder(new Fields("id", "name", "id1", "name1")).addTuple(1, "abc", null, null)
.addTuple(1, "pqr", 1, "mum").addTuple(null, null, 3, "walker").build();
Pipe words = plunger.newNamedPipe("records", data);
Pipe pipesToTest = new Each(words, filter);
Bucket bucket = plunger.newBucket(new Fields("id", "name", "id1", "name1"), pipesToTest);
List<Tuple> actual = bucket.result().asTupleList();
assertEquals(new Tuple(1, "abc", null, null), actual.get(0));
assertNotEquals(new Tuple(1, "pqr", 1, "mum"), actual.get(1));
assertEquals(new Tuple(null, null, 3, "walker"), actual.get(1));
}
}