| /* |
| * 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.spark; |
| |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| import org.apache.pig.backend.hadoop.executionengine.spark.converter.IndexedKey; |
| import org.apache.pig.data.Tuple; |
| import org.apache.pig.data.TupleFactory; |
| import static org.junit.Assert.assertEquals; |
| |
| @RunWith(JUnit4.class) |
| public class TestIndexedKey { |
| |
| /**Case1:Compare IndexedKeys with same index value |
| * key1 key2 equal? hashCode1 hashCode2 |
| * foo null N hashCode(foo) index |
| * null foo N index hashCode(foo) |
| * foo foo Y hashCode(foo) hashCode(foo) |
| * null null Y index index |
| * (1,1) (1,1) Y hashCode((1,1)) hashCode((1,1)) |
| * (1,) (1,) Y hashCode((1,)) hashCode((1,)) |
| * (1,1) (1,2) N hashCode((1,1)) hashCode((1,2)) |
| */ |
| @Test |
| public void testIndexedKeyWithSameIndexValue() throws Exception { |
| IndexedKey a0 = new IndexedKey(new Byte("0"), "foo"); |
| IndexedKey a1 = new IndexedKey(new Byte("0"), null); |
| assertEquals(a0.equals(a1), false); |
| assertEquals(a0.hashCode()==a1.hashCode(),false); |
| |
| IndexedKey a2 = new IndexedKey(new Byte("0"), null); |
| IndexedKey a3 = new IndexedKey(new Byte("0"), "foo"); |
| assertEquals(a2.equals(a3),false); |
| assertEquals(a2.hashCode()==a3.hashCode(),false); |
| |
| IndexedKey a4 = new IndexedKey(new Byte("0"), "foo"); |
| IndexedKey a5 = new IndexedKey(new Byte("0"), "foo"); |
| assertEquals(a4.equals(a5),true); |
| assertEquals(a4.hashCode()==a5.hashCode(),true); |
| |
| IndexedKey a6 = new IndexedKey(new Byte("0"), null); |
| IndexedKey a7 = new IndexedKey(new Byte("0"), null); |
| assertEquals(a6.equals(a7),true); |
| assertEquals(a6.hashCode()==a7.hashCode(),true); |
| |
| Tuple t1 = TupleFactory.getInstance().newTuple(2); |
| t1.set(0,"1"); |
| t1.set(1,"1"); |
| Tuple t2 = TupleFactory.getInstance().newTuple(2); |
| t2.set(0,"1"); |
| t2.set(1,"1"); |
| IndexedKey a8 = new IndexedKey(new Byte("0"), t1); |
| IndexedKey a9 = new IndexedKey(new Byte("0"), t2); |
| assertEquals(a8.equals(a9),true); |
| assertEquals(a8.hashCode()==a9.hashCode(),true); |
| |
| Tuple t3 = TupleFactory.getInstance().newTuple(2); |
| t3.set(0,"1"); |
| t3.set(1,null); |
| Tuple t4 = TupleFactory.getInstance().newTuple(2); |
| t4.set(0,"1"); |
| t4.set(1,null); |
| IndexedKey a10 = new IndexedKey(new Byte("0"), t3); |
| IndexedKey a11 = new IndexedKey(new Byte("0"), t4); |
| assertEquals(a10.equals(a11),true); |
| assertEquals(a10.hashCode()==a11.hashCode(),true); |
| |
| Tuple t5 = TupleFactory.getInstance().newTuple(2); |
| t5.set(0,"1"); |
| t5.set(1,"1"); |
| Tuple t6 = TupleFactory.getInstance().newTuple(2); |
| t6.set(0,"1"); |
| t6.set(1,"2"); |
| IndexedKey a12 = new IndexedKey(new Byte("0"), t5); |
| IndexedKey a13 = new IndexedKey(new Byte("0"), t6); |
| assertEquals(a12.equals(a13),false); |
| assertEquals(a12.hashCode()==a13.hashCode(),false); |
| } |
| |
| /* |
| * Case2:Compare IndexedKeys with different index value |
| * key1 key2 equal? hashCode1 hashCode2 |
| * foo null N hashCode(foo) index2 |
| * null foo N index1 hashCode(foo) |
| * foo foo Y hashCode(foo) hashCode(foo) |
| * null null N index1 index2 |
| * (1,1) (1,1) Y hashCode((1,1)) hashCode((1,1)) |
| * (1,) (1,) N hashCode((1,)) hashCode((1,)) |
| * (1,1) (1,2) N hashCode((1,1)) hashCode((1,2)) |
| */ |
| @Test |
| public void testIndexedKeyWithDifferentIndexValue() throws Exception { |
| IndexedKey a0 = new IndexedKey(new Byte("0"), "foo"); |
| IndexedKey a1 = new IndexedKey(new Byte("1"), null); |
| assertEquals(a0.equals(a1), false); |
| assertEquals(a0.hashCode() == a1.hashCode(), false); |
| |
| IndexedKey a2 = new IndexedKey(new Byte("0"), null); |
| IndexedKey a3 = new IndexedKey(new Byte("1"), "foo"); |
| assertEquals(a2.equals(a3), false); |
| assertEquals(a2.hashCode() == a3.hashCode(), false); |
| |
| IndexedKey a4 = new IndexedKey(new Byte("0"), "foo"); |
| IndexedKey a5 = new IndexedKey(new Byte("1"), "foo"); |
| assertEquals(a4.equals(a5), true); |
| assertEquals(a4.hashCode() == a5.hashCode(), true); |
| |
| IndexedKey a6 = new IndexedKey(new Byte("0"), null); |
| IndexedKey a7 = new IndexedKey(new Byte("1"), null); |
| assertEquals(a6.equals(a7), false); |
| assertEquals(a6.hashCode() == a7.hashCode(), false); |
| |
| Tuple t1 = TupleFactory.getInstance().newTuple(2); |
| t1.set(0, "1"); |
| t1.set(1, "1"); |
| Tuple t2 = TupleFactory.getInstance().newTuple(2); |
| t2.set(0, "1"); |
| t2.set(1, "1"); |
| IndexedKey a8 = new IndexedKey(new Byte("0"), t1); |
| IndexedKey a9 = new IndexedKey(new Byte("1"), t2); |
| assertEquals(a8.equals(a9), true); |
| assertEquals(a8.hashCode() == a9.hashCode(), true); |
| |
| Tuple t3 = TupleFactory.getInstance().newTuple(2); |
| t3.set(0, "1"); |
| t3.set(1, null); |
| Tuple t4 = TupleFactory.getInstance().newTuple(2); |
| t4.set(0, "1"); |
| t4.set(1, null); |
| IndexedKey a10 = new IndexedKey(new Byte("0"), t3); |
| IndexedKey a11 = new IndexedKey(new Byte("1"), t4); |
| assertEquals(a10.equals(a11), false); |
| assertEquals(a10.hashCode() == a11.hashCode(), true); //hashcode of a10 and a11 are equal but they are not equal |
| |
| Tuple t5 = TupleFactory.getInstance().newTuple(2); |
| t5.set(0, "1"); |
| t5.set(1, "1"); |
| Tuple t6 = TupleFactory.getInstance().newTuple(2); |
| t6.set(0, "1"); |
| t6.set(1, "2"); |
| IndexedKey a12 = new IndexedKey(new Byte("0"), t5); |
| IndexedKey a13 = new IndexedKey(new Byte("1"), t6); |
| assertEquals(a12.equals(a13), false); |
| assertEquals(a12.hashCode() == a13.hashCode(), false); |
| } |
| } |