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* 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.Arrays;
import java.util.List;
import org.apache.beam.examples.cookbook.FilterExamples.FilterSingleMonthDataFn;
import org.apache.beam.examples.cookbook.FilterExamples.ProjectionFn;
import org.apache.beam.sdk.transforms.DoFnTester;
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 FilterExamples}. */
@RunWith(JUnit4.class)
public class FilterExamplesTest {
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);
static final TableRow[] ROWS_ARRAY = new TableRow[] {
row1, row2, row3
};
static final List<TableRow> ROWS = Arrays.asList(ROWS_ARRAY);
private static final TableRow outRow1 = new TableRow()
.set("year", 2014).set("month", 6)
.set("day", 21).set("mean_temp", 85.3);
private static final TableRow outRow2 = new TableRow()
.set("year", 2014).set("month", 7)
.set("day", 20).set("mean_temp", 75.4);
private static final TableRow outRow3 = new TableRow()
.set("year", 2014).set("month", 6)
.set("day", 18).set("mean_temp", 45.3);
private static final TableRow[] PROJROWS_ARRAY = new TableRow[] {
outRow1, outRow2, outRow3
};
@Test
public void testProjectionFn() throws Exception {
DoFnTester<TableRow, TableRow> projectionFn =
DoFnTester.of(new ProjectionFn());
List<TableRow> results = projectionFn.processBundle(ROWS_ARRAY);
Assert.assertThat(results, CoreMatchers.hasItem(outRow1));
Assert.assertThat(results, CoreMatchers.hasItem(outRow2));
Assert.assertThat(results, CoreMatchers.hasItem(outRow3));
}
@Test
public void testFilterSingleMonthDataFn() throws Exception {
DoFnTester<TableRow, TableRow> filterSingleMonthDataFn =
DoFnTester.of(new FilterSingleMonthDataFn(7));
List<TableRow> results = filterSingleMonthDataFn.processBundle(PROJROWS_ARRAY);
Assert.assertThat(results, CoreMatchers.hasItem(outRow2));
}
}