| /* |
| * 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.pig.test; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.io.IOException; |
| import java.util.Set; |
| |
| import org.apache.pig.builtin.RollupDimensions; |
| import org.apache.pig.data.DataBag; |
| import org.apache.pig.data.Tuple; |
| import org.apache.pig.data.TupleFactory; |
| import org.junit.Test; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.ImmutableSet; |
| |
| public class TestRollupDimensions { |
| |
| private static TupleFactory TF = TupleFactory.getInstance(); |
| |
| @Test |
| public void testCube() throws IOException { |
| Tuple t = TF.newTuple(ImmutableList.of("a", "b", "c")); |
| Set<Tuple> expected = ImmutableSet.of( |
| TF.newTuple(ImmutableList.of("a", "b", "c")), |
| TF.newTuple(ImmutableList.of("a", "b", "NULL")), |
| TF.newTuple(ImmutableList.of("a", "NULL", "NULL")), |
| TF.newTuple(ImmutableList.of("NULL", "NULL", "NULL")) |
| ); |
| |
| RollupDimensions rd = new RollupDimensions("NULL"); |
| DataBag bag = rd.exec(t); |
| assertEquals(bag.size(), expected.size()); |
| |
| for (Tuple tup : bag) { |
| assertTrue(expected.contains(tup)); |
| } |
| } |
| } |