| /* |
| * 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.beam.sdk.transforms; |
| |
| import static org.apache.beam.sdk.testing.CombineFnTester.testCombineFn; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotEquals; |
| |
| import org.apache.beam.sdk.coders.BigEndianIntegerCoder; |
| import org.apache.beam.sdk.coders.BigEndianLongCoder; |
| import org.apache.beam.sdk.coders.CoderRegistry; |
| import org.apache.beam.sdk.coders.DoubleCoder; |
| import org.apache.beam.sdk.coders.VarIntCoder; |
| import org.apache.beam.sdk.coders.VarLongCoder; |
| import org.apache.beam.vendor.guava.v20_0.com.google.common.collect.Lists; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Tests for Sum. */ |
| @RunWith(JUnit4.class) |
| public class SumTest { |
| private static final CoderRegistry STANDARD_REGISTRY = CoderRegistry.createDefault(); |
| |
| @Test |
| public void testSumGetNames() { |
| assertEquals("Combine.globally(SumInteger)", Sum.integersGlobally().getName()); |
| assertEquals("Combine.globally(SumDouble)", Sum.doublesGlobally().getName()); |
| assertEquals("Combine.globally(SumLong)", Sum.longsGlobally().getName()); |
| assertEquals("Combine.perKey(SumInteger)", Sum.integersPerKey().getName()); |
| assertEquals("Combine.perKey(SumDouble)", Sum.doublesPerKey().getName()); |
| assertEquals("Combine.perKey(SumLong)", Sum.longsPerKey().getName()); |
| } |
| |
| @Test |
| public void testSumIntegerFn() { |
| testCombineFn(Sum.ofIntegers(), Lists.newArrayList(1, 2, 3, 4), 10); |
| } |
| |
| @Test |
| public void testSumLongFn() { |
| testCombineFn(Sum.ofLongs(), Lists.newArrayList(1L, 2L, 3L, 4L), 10L); |
| } |
| |
| @Test |
| public void testSumDoubleFn() { |
| testCombineFn(Sum.ofDoubles(), Lists.newArrayList(1.0, 2.0, 3.0, 4.0), 10.0); |
| } |
| |
| @Test |
| public void testGetAccumulatorCoderEquals() { |
| Combine.BinaryCombineIntegerFn sumIntegerFn = Sum.ofIntegers(); |
| assertEquals( |
| sumIntegerFn.getAccumulatorCoder(STANDARD_REGISTRY, VarIntCoder.of()), |
| sumIntegerFn.getAccumulatorCoder(STANDARD_REGISTRY, VarIntCoder.of())); |
| assertNotEquals( |
| sumIntegerFn.getAccumulatorCoder(STANDARD_REGISTRY, VarIntCoder.of()), |
| sumIntegerFn.getAccumulatorCoder(STANDARD_REGISTRY, BigEndianIntegerCoder.of())); |
| |
| Combine.BinaryCombineLongFn sumLongFn = Sum.ofLongs(); |
| assertEquals( |
| sumLongFn.getAccumulatorCoder(STANDARD_REGISTRY, VarLongCoder.of()), |
| sumLongFn.getAccumulatorCoder(STANDARD_REGISTRY, VarLongCoder.of())); |
| assertNotEquals( |
| sumLongFn.getAccumulatorCoder(STANDARD_REGISTRY, VarLongCoder.of()), |
| sumLongFn.getAccumulatorCoder(STANDARD_REGISTRY, BigEndianLongCoder.of())); |
| |
| Combine.BinaryCombineDoubleFn sumDoubleFn = Sum.ofDoubles(); |
| assertEquals( |
| sumDoubleFn.getAccumulatorCoder(STANDARD_REGISTRY, DoubleCoder.of()), |
| sumDoubleFn.getAccumulatorCoder(STANDARD_REGISTRY, DoubleCoder.of())); |
| } |
| } |