/*
* Copyright 2014 the original author or authors.
*
* 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 org.springframework.xd.analytics.metrics.integration;
import static org.hamcrest.Matchers.equalTo;
import static org.junit.Assert.assertThat;
import java.util.Arrays;
import java.util.Map;
import org.junit.Before;
import org.junit.Test;
import org.springframework.integration.support.MessageBuilder;
import org.springframework.messaging.Message;
import org.springframework.messaging.support.GenericMessage;
import org.springframework.xd.analytics.metrics.core.FieldValueCounterRepository;
import org.springframework.xd.analytics.metrics.memory.InMemoryFieldValueCounterRepository;
import org.springframework.xd.tuple.Tuple;
import org.springframework.xd.tuple.TupleBuilder;
public class FieldValueCounterHandlerTests {
private FieldValueCounterRepository repo = new InMemoryFieldValueCounterRepository();
private final String mentionsFieldValueCounterName = "tweetMentionsCounter";
@Before
public void init() {
repo = new InMemoryFieldValueCounterRepository();
}
@Test
public void messageCountTest() {
FieldValueCounterHandler handler = new FieldValueCounterHandler(repo, mentionsFieldValueCounterName, "mentions");
Tuple tuple = TupleBuilder.tuple().of("mentions", Arrays.asList(new String[] { "markp", "markf", "jurgen" }));
Message<Tuple> message = MessageBuilder.withPayload(tuple).build();
handler.process(message);
Map<String, Double> counts = repo.findOne(mentionsFieldValueCounterName).getFieldValueCount();
assertThat(counts.get("markp"), equalTo(1.0));
assertThat(counts.get("markf"), equalTo(1.0));
assertThat(counts.get("jurgen"), equalTo(1.0));
tuple = TupleBuilder.tuple().of("mentions", Arrays.asList(new String[] { "markp", "jon", "jurgen" }));
message = MessageBuilder.withPayload(tuple).build();
handler.process(message);
counts = repo.findOne(mentionsFieldValueCounterName).getFieldValueCount();
assertThat(counts.get("markp"), equalTo(2.0));
assertThat(counts.get("jon"), equalTo(1.0));
assertThat(counts.get("jurgen"), equalTo(2.0));
SimpleTweet tweet = new SimpleTweet("joe", "say hello to @markp and @jon and @jurgen");
Message<SimpleTweet> msg = MessageBuilder.withPayload(tweet).build();
handler.process(msg);
counts = repo.findOne(mentionsFieldValueCounterName).getFieldValueCount();
assertThat(counts.get("markp"), equalTo(3.0));
assertThat(counts.get("jon"), equalTo(2.0));
assertThat(counts.get("jurgen"), equalTo(3.0));
}
@Test
public void acceptsJson() {
String json = "{\"mentions\":[\"markp\",\"markf\",\"jurgen\"]}";
FieldValueCounterHandler handler = new FieldValueCounterHandler(repo, mentionsFieldValueCounterName, "mentions");
handler.process(new GenericMessage<String>(json));
Map<String, Double> counts = repo.findOne(mentionsFieldValueCounterName).getFieldValueCount();
assertThat(counts.get("markp"), equalTo(1.0));
assertThat(counts.get("markf"), equalTo(1.0));
assertThat(counts.get("jurgen"), equalTo(1.0));
}
@Test
public void handlesTweetHashtags() throws Exception {
String tweet = "{\"created_at\":\"Tue Aug 27 18:17:06 +0000 2013\",\"id\":100000,\"text\":\"whocares\",\"retweet_count\":0,"
+
"\"entities\":{\"hashtags\":[{\"text\":\"hello\",\"indices\":[23,41]},{\"text\":\"there\",\"indices\":[45,50]}],\"symbols\":[],"
+
"\"urls\":[],\"user_mentions\":[]},"
+
"\"favorited\":false,\"retweeted\":false,\"possibly_sensitive\":false,\"filter_level\":\"medium\",\"lang\":\"bg\"}";
FieldValueCounterHandler handler = new FieldValueCounterHandler(repo, "hashtags", "entities.hashtags.text");
handler.process(new GenericMessage<String>(tweet));
Map<String, Double> counts = repo.findOne("hashtags").getFieldValueCount();
assertThat(counts.get("hello"), equalTo(1.0));
}
}