| /* |
| * 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.apache.beam.sdk.transforms.display.DisplayDataMatchers.hasDisplayItem; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.junit.Assert.assertEquals; |
| |
| import org.apache.beam.sdk.transforms.display.DisplayData; |
| import org.apache.beam.vendor.guava.v26_0_jre.com.google.common.collect.Lists; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Tests for Max. */ |
| @RunWith(JUnit4.class) |
| public class MaxTest { |
| @Test |
| public void testMaxGetNames() { |
| assertEquals("Combine.globally(MaxInteger)", Max.integersGlobally().getName()); |
| assertEquals("Combine.globally(MaxDouble)", Max.doublesGlobally().getName()); |
| assertEquals("Combine.globally(MaxLong)", Max.longsGlobally().getName()); |
| assertEquals("Combine.perKey(MaxInteger)", Max.integersPerKey().getName()); |
| assertEquals("Combine.perKey(MaxDouble)", Max.doublesPerKey().getName()); |
| assertEquals("Combine.perKey(MaxLong)", Max.longsPerKey().getName()); |
| } |
| |
| @Test |
| public void testMaxIntegerFn() { |
| testCombineFn(Max.ofIntegers(), Lists.newArrayList(1, 2, 3, 4), 4); |
| } |
| |
| @Test |
| public void testMaxLongFn() { |
| testCombineFn(Max.ofLongs(), Lists.newArrayList(1L, 2L, 3L, 4L), 4L); |
| } |
| |
| @Test |
| public void testMaxDoubleFn() { |
| testCombineFn(Max.ofDoubles(), Lists.newArrayList(1.0, 2.0, 3.0, 4.0), 4.0); |
| } |
| |
| @Test |
| public void testDisplayData() { |
| Top.Natural<Integer> comparer = new Top.Natural<>(); |
| |
| Combine.Globally<Integer, Integer> max = Max.globally(comparer); |
| assertThat(DisplayData.from(max), hasDisplayItem("comparer", comparer.getClass())); |
| } |
| } |