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* distributed with this work for additional information
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* 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,
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package org.apache.beam.examples.cookbook;
import com.google.api.services.bigquery.model.TableRow;
import com.google.common.collect.ImmutableList;
import java.util.List;
import org.apache.beam.examples.cookbook.MaxPerKeyExamples.ExtractTempFn;
import org.apache.beam.examples.cookbook.MaxPerKeyExamples.FormatMaxesFn;
import org.apache.beam.sdk.transforms.DoFnTester;
import org.apache.beam.sdk.values.KV;
import org.hamcrest.CoreMatchers;
import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Unit tests for {@link MaxPerKeyExamples}. */
@RunWith(JUnit4.class)
public class MaxPerKeyExamplesTest {
private static final TableRow row1 = new TableRow()
.set("month", "6").set("day", "21")
.set("year", "2014").set("mean_temp", "85.3")
.set("tornado", true);
private static final TableRow row2 = new TableRow()
.set("month", "7").set("day", "20")
.set("year", "2014").set("mean_temp", "75.4")
.set("tornado", false);
private static final TableRow row3 = new TableRow()
.set("month", "6").set("day", "18")
.set("year", "2014").set("mean_temp", "45.3")
.set("tornado", true);
private static final List<TableRow> TEST_ROWS = ImmutableList.of(row1, row2, row3);
private static final KV<Integer, Double> kv1 = KV.of(6, 85.3);
private static final KV<Integer, Double> kv2 = KV.of(6, 45.3);
private static final KV<Integer, Double> kv3 = KV.of(7, 75.4);
private static final List<KV<Integer, Double>> TEST_KVS = ImmutableList.of(kv1, kv2, kv3);
private static final TableRow resultRow1 = new TableRow()
.set("month", 6)
.set("max_mean_temp", 85.3);
private static final TableRow resultRow2 = new TableRow()
.set("month", 7)
.set("max_mean_temp", 75.4);
@Test
public void testExtractTempFn() throws Exception {
DoFnTester<TableRow, KV<Integer, Double>> extractTempFn =
DoFnTester.of(new ExtractTempFn());
List<KV<Integer, Double>> results = extractTempFn.processBundle(TEST_ROWS);
Assert.assertThat(results, CoreMatchers.hasItem(kv1));
Assert.assertThat(results, CoreMatchers.hasItem(kv2));
Assert.assertThat(results, CoreMatchers.hasItem(kv3));
}
@Test
public void testFormatMaxesFn() throws Exception {
DoFnTester<KV<Integer, Double>, TableRow> formatMaxesFnFn =
DoFnTester.of(new FormatMaxesFn());
List<TableRow> results = formatMaxesFnFn.processBundle(TEST_KVS);
Assert.assertThat(results, CoreMatchers.hasItem(resultRow1));
Assert.assertThat(results, CoreMatchers.hasItem(resultRow2));
}
}