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* Licensed to the Apache Software Foundation (ASF) under one
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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,
* 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.
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package org.apache.beam.examples.complete.game;
import java.io.Serializable;
import java.util.Arrays;
import java.util.List;
import org.apache.beam.examples.complete.game.UserScore.ExtractAndSumScore;
import org.apache.beam.examples.complete.game.UserScore.GameActionInfo;
import org.apache.beam.examples.complete.game.UserScore.ParseEventFn;
import org.apache.beam.sdk.coders.StringUtf8Coder;
import org.apache.beam.sdk.testing.PAssert;
import org.apache.beam.sdk.testing.TestPipeline;
import org.apache.beam.sdk.testing.ValidatesRunner;
import org.apache.beam.sdk.transforms.Create;
import org.apache.beam.sdk.transforms.DoFnTester;
import org.apache.beam.sdk.transforms.MapElements;
import org.apache.beam.sdk.transforms.ParDo;
import org.apache.beam.sdk.values.KV;
import org.apache.beam.sdk.values.PCollection;
import org.apache.beam.sdk.values.TypeDescriptors;
import org.junit.Assert;
import org.junit.Rule;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/**
* Tests of UserScore.
*/
@RunWith(JUnit4.class)
public class UserScoreTest implements Serializable {
static final String[] GAME_EVENTS_ARRAY = new String[] {
"user0_MagentaKangaroo,MagentaKangaroo,3,1447955630000,2015-11-19 09:53:53.444",
"user13_ApricotQuokka,ApricotQuokka,15,1447955630000,2015-11-19 09:53:53.444",
"user6_AmberNumbat,AmberNumbat,11,1447955630000,2015-11-19 09:53:53.444",
"user7_AlmondWallaby,AlmondWallaby,15,1447955630000,2015-11-19 09:53:53.444",
"user7_AndroidGreenKookaburra,AndroidGreenKookaburra,12,1447955630000,2015-11-19 09:53:53.444",
"user6_AliceBlueDingo,AliceBlueDingo,4,xxxxxxx,2015-11-19 09:53:53.444",
"user7_AndroidGreenKookaburra,AndroidGreenKookaburra,11,1447955630000,2015-11-19 09:53:53.444",
"THIS IS A PARSE ERROR,2015-11-19 09:53:53.444",
"user19_BisqueBilby,BisqueBilby,6,1447955630000,2015-11-19 09:53:53.444",
"user19_BisqueBilby,BisqueBilby,8,1447955630000,2015-11-19 09:53:53.444"
};
static final String[] GAME_EVENTS_ARRAY2 = new String[] {
"user6_AliceBlueDingo,AliceBlueDingo,4,xxxxxxx,2015-11-19 09:53:53.444",
"THIS IS A PARSE ERROR,2015-11-19 09:53:53.444",
"user13_BisqueBilby,BisqueBilby,xxx,1447955630000,2015-11-19 09:53:53.444"
};
static final List<String> GAME_EVENTS = Arrays.asList(GAME_EVENTS_ARRAY);
static final List<String> GAME_EVENTS2 = Arrays.asList(GAME_EVENTS_ARRAY2);
static final List<KV<String, Integer>> USER_SUMS = Arrays.asList(
KV.of("user0_MagentaKangaroo", 3), KV.of("user13_ApricotQuokka", 15),
KV.of("user6_AmberNumbat", 11), KV.of("user7_AlmondWallaby", 15),
KV.of("user7_AndroidGreenKookaburra", 23),
KV.of("user19_BisqueBilby", 14));
static final List<KV<String, Integer>> TEAM_SUMS = Arrays.asList(
KV.of("MagentaKangaroo", 3), KV.of("ApricotQuokka", 15),
KV.of("AmberNumbat", 11), KV.of("AlmondWallaby", 15),
KV.of("AndroidGreenKookaburra", 23),
KV.of("BisqueBilby", 14));
@Rule
public TestPipeline p = TestPipeline.create();
/** Test the {@link ParseEventFn} {@link org.apache.beam.sdk.transforms.DoFn}. */
@Test
public void testParseEventFn() throws Exception {
DoFnTester<String, GameActionInfo> parseEventFn =
DoFnTester.of(new ParseEventFn());
List<GameActionInfo> results = parseEventFn.processBundle(GAME_EVENTS_ARRAY);
Assert.assertEquals(results.size(), 8);
Assert.assertEquals(results.get(0).getUser(), "user0_MagentaKangaroo");
Assert.assertEquals(results.get(0).getTeam(), "MagentaKangaroo");
Assert.assertEquals(results.get(0).getScore(), new Integer(3));
}
/** Tests ExtractAndSumScore("user"). */
@Test
@Category(ValidatesRunner.class)
public void testUserScoreSums() throws Exception {
PCollection<String> input = p.apply(Create.of(GAME_EVENTS).withCoder(StringUtf8Coder.of()));
PCollection<KV<String, Integer>> output = input
.apply(ParDo.of(new ParseEventFn()))
// Extract and sum username/score pairs from the event data.
.apply("ExtractUserScore", new ExtractAndSumScore("user"));
// Check the user score sums.
PAssert.that(output).containsInAnyOrder(USER_SUMS);
p.run().waitUntilFinish();
}
/** Tests ExtractAndSumScore("team"). */
@Test
@Category(ValidatesRunner.class)
public void testTeamScoreSums() throws Exception {
PCollection<String> input = p.apply(Create.of(GAME_EVENTS).withCoder(StringUtf8Coder.of()));
PCollection<KV<String, Integer>> output = input
.apply(ParDo.of(new ParseEventFn()))
// Extract and sum teamname/score pairs from the event data.
.apply("ExtractTeamScore", new ExtractAndSumScore("team"));
// Check the team score sums.
PAssert.that(output).containsInAnyOrder(TEAM_SUMS);
p.run().waitUntilFinish();
}
/** Test that bad input data is dropped appropriately. */
@Test
@Category(ValidatesRunner.class)
public void testUserScoresBadInput() throws Exception {
PCollection<String> input = p.apply(Create.of(GAME_EVENTS2).withCoder(StringUtf8Coder.of()));
PCollection<KV<String, Integer>> extract = input
.apply(ParDo.of(new ParseEventFn()))
.apply(
MapElements
.into(TypeDescriptors.kvs(TypeDescriptors.strings(), TypeDescriptors.integers()))
.via((GameActionInfo gInfo) -> KV.of(gInfo.getUser(), gInfo.getScore())));
PAssert.that(extract).empty();
p.run().waitUntilFinish();
}
}