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* 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,
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* See the License for the specific language governing permissions and
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*/
package org.apache.beam.examples.cookbook;
import com.google.api.services.bigquery.model.TableRow;
import java.util.List;
import org.apache.beam.examples.cookbook.BigQueryTornadoes.ExtractTornadoesFn;
import org.apache.beam.examples.cookbook.BigQueryTornadoes.FormatCountsFn;
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;
/**
* Test case for {@link BigQueryTornadoes}.
*/
@RunWith(JUnit4.class)
public class BigQueryTornadoesTest {
@Test
public void testExtractTornadoes() throws Exception {
TableRow row = new TableRow()
.set("month", "6")
.set("tornado", true);
DoFnTester<TableRow, Integer> extractWordsFn =
DoFnTester.of(new ExtractTornadoesFn());
Assert.assertThat(extractWordsFn.processBundle(row),
CoreMatchers.hasItems(6));
}
@Test
public void testNoTornadoes() throws Exception {
TableRow row = new TableRow()
.set("month", 6)
.set("tornado", false);
DoFnTester<TableRow, Integer> extractWordsFn =
DoFnTester.of(new ExtractTornadoesFn());
Assert.assertTrue(extractWordsFn.processBundle(row).isEmpty());
}
@Test
@SuppressWarnings({"rawtypes", "unchecked"})
public void testFormatCounts() throws Exception {
DoFnTester<KV<Integer, Long>, TableRow> formatCountsFn =
DoFnTester.of(new FormatCountsFn());
KV empty[] = {};
List<TableRow> results = formatCountsFn.processBundle(empty);
Assert.assertTrue(results.size() == 0);
KV input[] = { KV.of(3, 0L),
KV.of(4, Long.MAX_VALUE),
KV.of(5, Long.MIN_VALUE) };
results = formatCountsFn.processBundle(input);
Assert.assertEquals(results.size(), 3);
Assert.assertEquals(results.get(0).get("month"), 3);
Assert.assertEquals(results.get(0).get("tornado_count"), 0L);
Assert.assertEquals(results.get(1).get("month"), 4);
Assert.assertEquals(results.get(1).get("tornado_count"), Long.MAX_VALUE);
Assert.assertEquals(results.get(2).get("month"), 5);
Assert.assertEquals(results.get(2).get("tornado_count"), Long.MIN_VALUE);
}
}