-
Notifications
You must be signed in to change notification settings - Fork 1.1k
/
Copy pathWikipediaFeedAvroLambdaExampleTest.java
129 lines (108 loc) · 5.17 KB
/
WikipediaFeedAvroLambdaExampleTest.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
/*
* Copyright Confluent Inc.
*
* Licensed 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 io.confluent.examples.streams;
import io.confluent.examples.streams.avro.WikiFeed;
import io.confluent.examples.streams.kafka.EmbeddedSingleNodeKafkaCluster;
import io.confluent.kafka.serializers.AbstractKafkaSchemaSerDeConfig;
import org.apache.kafka.clients.consumer.ConsumerConfig;
import org.apache.kafka.clients.consumer.ConsumerRecords;
import org.apache.kafka.clients.consumer.KafkaConsumer;
import org.apache.kafka.clients.producer.KafkaProducer;
import org.apache.kafka.clients.producer.ProducerConfig;
import org.apache.kafka.clients.producer.ProducerRecord;
import org.apache.kafka.common.serialization.LongDeserializer;
import org.apache.kafka.common.serialization.StringDeserializer;
import org.apache.kafka.common.serialization.StringSerializer;
import org.apache.kafka.streams.KafkaStreams;
import org.apache.kafka.test.TestUtils;
import org.junit.After;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.ClassRule;
import org.junit.Test;
import java.time.Duration;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.core.IsEqual.equalTo;
public class WikipediaFeedAvroLambdaExampleTest {
@ClassRule
public static final EmbeddedSingleNodeKafkaCluster CLUSTER = new EmbeddedSingleNodeKafkaCluster(new HashMap<>());
private KafkaStreams streams;
@BeforeClass
public static void createTopics() throws InterruptedException {
CLUSTER.createTopic(WikipediaFeedAvroExample.WIKIPEDIA_FEED);
CLUSTER.createTopic(WikipediaFeedAvroExample.WIKIPEDIA_STATS);
}
@Before
public void createStreams() {
streams =
WikipediaFeedAvroLambdaExample.buildWikipediaFeed(CLUSTER.bootstrapServers(),
CLUSTER.schemaRegistryUrl(),
TestUtils.tempDirectory().getPath());
}
@After
public void stopStreams() {
streams.close();
}
@Test
public void shouldRunTheWikipediaFeedLambdaExample() {
final Properties props = new Properties();
props.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, CLUSTER.bootstrapServers());
props.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG,
StringSerializer.class);
props.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG,
io.confluent.kafka.serializers.KafkaAvroSerializer.class);
props.put(AbstractKafkaSchemaSerDeConfig.SCHEMA_REGISTRY_URL_CONFIG, CLUSTER.schemaRegistryUrl());
try (final KafkaProducer<String, WikiFeed> producer = new KafkaProducer<>(props)) {
producer.send(new ProducerRecord<>(WikipediaFeedAvroExample.WIKIPEDIA_FEED,
new WikiFeed("donna", true, "first post")));
producer.send(new ProducerRecord<>(WikipediaFeedAvroExample.WIKIPEDIA_FEED,
new WikiFeed("donna", true, "second post")));
producer.send(new ProducerRecord<>(WikipediaFeedAvroExample.WIKIPEDIA_FEED,
new WikiFeed("donna", true, "third post")));
producer.send(new ProducerRecord<>(WikipediaFeedAvroExample.WIKIPEDIA_FEED,
new WikiFeed("becca", true, "first post")));
producer.send(new ProducerRecord<>(WikipediaFeedAvroExample.WIKIPEDIA_FEED,
new WikiFeed("becca", true, "second post")));
producer.send(new ProducerRecord<>(WikipediaFeedAvroExample.WIKIPEDIA_FEED,
new WikiFeed("john", true, "first post")));
}
streams.start();
final Properties consumerProperties = new Properties();
consumerProperties.put(ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG, CLUSTER.bootstrapServers());
consumerProperties.put(ConsumerConfig.GROUP_ID_CONFIG, "wikipedia-lambda-feed-consumer");
consumerProperties.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "earliest");
final KafkaConsumer<String, Long>
consumer =
new KafkaConsumer<>(consumerProperties, new StringDeserializer(), new
LongDeserializer());
final Map<String, Long> expected = new HashMap<>();
expected.put("donna", 3L);
expected.put("becca", 2L);
expected.put("john", 1L);
final Map<String, Long> actual = new HashMap<>();
consumer.subscribe(Collections.singleton(WikipediaFeedAvroExample.WIKIPEDIA_STATS));
final long timeout = System.currentTimeMillis() + 30000L;
while(!actual.equals(expected) && System.currentTimeMillis() < timeout) {
final ConsumerRecords<String, Long> records = consumer.poll(Duration.ofSeconds(1));
records.forEach(record -> actual.put(record.key(), record.value()));
}
assertThat(actual, equalTo(expected));
}
}