import de.juplo.kafka.wordcount.counter.TestCounter;
import de.juplo.kafka.wordcount.counter.TestWord;
-import org.apache.kafka.common.header.Header;
-import org.apache.kafka.common.header.Headers;
import org.apache.kafka.streams.KeyValue;
import org.apache.kafka.streams.state.ReadOnlyKeyValueStore;
import org.springframework.util.LinkedMultiValueMap;
import org.springframework.util.MultiValueMap;
-import java.util.Map;
-import java.util.Properties;
-import java.util.stream.Collectors;
import java.util.stream.Stream;
import static org.assertj.core.api.Assertions.assertThat;
class TestData
{
+ static final User PETER = User.of("peter");
+ static final User KLAUS = User.of("klaus");
+
static final KeyValue<TestWord, TestCounter>[] INPUT_MESSAGES = new KeyValue[]
{
new KeyValue<>(
- TestWord.of("peter","Hallo"),
- TestCounter.of("peter","Hallo",1)),
+ TestWord.of(PETER.getUser(),"Hallo"),
+ TestCounter.of(PETER.getUser(),"Hallo",1)),
new KeyValue<>(
- TestWord.of("klaus","Müsch"),
- TestCounter.of("klaus","Müsch",1)),
+ TestWord.of(KLAUS.getUser(),"Müsch"),
+ TestCounter.of(KLAUS.getUser(),"Müsch",1)),
new KeyValue<>(
- TestWord.of("peter","Welt"),
- TestCounter.of("peter","Welt",1)),
+ TestWord.of(PETER.getUser(),"Welt"),
+ TestCounter.of(PETER.getUser(),"Welt",1)),
new KeyValue<>(
- TestWord.of("klaus","Müsch"),
- TestCounter.of("klaus","Müsch",2)),
+ TestWord.of(KLAUS.getUser(),"Müsch"),
+ TestCounter.of(KLAUS.getUser(),"Müsch",2)),
new KeyValue<>(
- TestWord.of("klaus","s"),
- TestCounter.of("klaus","s",1)),
+ TestWord.of(KLAUS.getUser(),"s"),
+ TestCounter.of(KLAUS.getUser(),"s",1)),
new KeyValue<>(
- TestWord.of("peter","Boäh"),
- TestCounter.of("peter","Boäh",1)),
+ TestWord.of(PETER.getUser(),"Boäh"),
+ TestCounter.of(PETER.getUser(),"Boäh",1)),
new KeyValue<>(
- TestWord.of("peter","Welt"),
- TestCounter.of("peter","Welt",2)),
+ TestWord.of(PETER.getUser(),"Welt"),
+ TestCounter.of(PETER.getUser(),"Welt",2)),
new KeyValue<>(
- TestWord.of("peter","Boäh"),
- TestCounter.of("peter","Boäh",2)),
+ TestWord.of(PETER.getUser(),"Boäh"),
+ TestCounter.of(PETER.getUser(),"Boäh",2)),
new KeyValue<>(
- TestWord.of("klaus","s"),
- TestCounter.of("klaus","s",2)),
+ TestWord.of(KLAUS.getUser(),"s"),
+ TestCounter.of(KLAUS.getUser(),"s",2)),
new KeyValue<>(
- TestWord.of("peter","Boäh"),
- TestCounter.of("peter","Boäh",3)),
+ TestWord.of(PETER.getUser(),"Boäh"),
+ TestCounter.of(PETER.getUser(),"Boäh",3)),
new KeyValue<>(
- TestWord.of("klaus","s"),
- TestCounter.of("klaus","s",3)),
+ TestWord.of(KLAUS.getUser(),"s"),
+ TestCounter.of(KLAUS.getUser(),"s",3)),
};
static void assertExpectedMessages(MultiValueMap<User, Ranking> receivedMessages)
static void assertExpectedState(ReadOnlyKeyValueStore<User, Ranking> store)
{
- assertThat(store.get(EXPECTED_MESSAGES[9].key)).isEqualTo(EXPECTED_MESSAGES[9].value);
- assertThat(store.get(EXPECTED_MESSAGES[10].key)).isEqualTo(EXPECTED_MESSAGES[10].value);
+ assertRankingEqualsRankingFromLastMessage(PETER, store.get(PETER));
+ assertRankingEqualsRankingFromLastMessage(KLAUS, store.get(KLAUS));
+ }
+
+ static void assertExpectedNumberOfMessagesForUsers(MultiValueMap<User, Ranking> receivedMessages)
+ {
+ assertThat(countMessagesForUser(PETER, receivedMessages));
+ assertThat(countMessagesForUser(KLAUS, receivedMessages));
+ }
+
+ static int countMessagesForUser(User user, MultiValueMap<User, Ranking> messagesForUsers)
+ {
+ return messagesForUsers.get(user).size();
+ }
+
+
+ static void assertExpectedLastMessagesForUsers(MultiValueMap<User, Ranking> receivedMessages)
+ {
+ assertRankingEqualsRankingFromLastMessage(PETER, getLastMessageFor(PETER, receivedMessages));
+ assertRankingEqualsRankingFromLastMessage(KLAUS, getLastMessageFor(KLAUS, receivedMessages));
+ }
+
+ static void assertRankingEqualsRankingFromLastMessage(User user, Ranking ranking)
+ {
+ assertThat(ranking).isEqualTo(getLastMessageFor(user));
+ }
+
+ static Ranking getLastMessageFor(User user)
+ {
+ return getLastMessageFor(user, expectedMessages());
+ }
+
+ static Ranking getLastMessageFor(User user, MultiValueMap<User, Ranking> messagesForUsers)
+ {
+ return messagesForUsers
+ .get(user)
+ .stream()
+ .reduce(null, (left, right) -> right);
}
static KeyValue<User, Ranking>[] EXPECTED_MESSAGES = new KeyValue[]
{
KeyValue.pair( // 0
- User.of("peter"),
+ PETER,
Ranking.of(
Entry.of("Hallo", 1l))),
KeyValue.pair( // 1
- User.of("klaus"),
+ KLAUS,
Ranking.of(
Entry.of("Müsch", 1l))),
KeyValue.pair( // 2
- User.of("peter"),
+ PETER,
Ranking.of(
Entry.of("Hallo", 1l),
Entry.of("Welt", 1l))),
KeyValue.pair( // 3
- User.of("klaus"),
+ KLAUS,
Ranking.of(
Entry.of("Müsch", 2l))),
KeyValue.pair( // 4
- User.of("klaus"),
+ KLAUS,
Ranking.of(
Entry.of("Müsch", 2l),
Entry.of("s", 1l))),
KeyValue.pair( // 5
- User.of("peter"),
+ PETER,
Ranking.of(
Entry.of("Hallo", 1l),
Entry.of("Welt", 1l),
Entry.of("Boäh", 1l))),
KeyValue.pair( // 6
- User.of("peter"),
+ PETER,
Ranking.of(
Entry.of("Welt", 2l),
Entry.of("Hallo", 1l),
Entry.of("Boäh", 1l))),
KeyValue.pair( // 7
- User.of("peter"),
+ PETER,
Ranking.of(
Entry.of("Welt", 2l),
Entry.of("Boäh", 2l),
Entry.of("Hallo", 1l))),
KeyValue.pair( // 8
- User.of("klaus"),
+ KLAUS,
Ranking.of(
Entry.of("Müsch", 2l),
Entry.of("s", 2l))),
KeyValue.pair( // 9
- User.of("peter"),
+ PETER,
Ranking.of(
Entry.of("Boäh", 3l),
Entry.of("Welt", 2l),
Entry.of("Hallo", 1l))),
KeyValue.pair( // 10
- User.of("klaus"),
+ KLAUS,
Ranking.of(
Entry.of("s", 3l),
Entry.of("Müsch", 2l))),
.forEach(keyValue -> expectedMessages.add(keyValue.key, keyValue.value));
return expectedMessages;
}
-
- static Map<String, Object> convertToMap(Properties properties)
- {
- return properties
- .entrySet()
- .stream()
- .collect(
- Collectors.toMap(
- entry -> (String)entry.getKey(),
- entry -> entry.getValue()
- ));
- }
-
- static String parseHeader(Headers headers, String key)
- {
- Header header = headers.lastHeader(key);
- if (header == null)
- {
- return key + "=null";
- }
- else
- {
- return key + "=" + new String(header.value());
- }
- }
}
projects / demos / kafka / wordcount / blobdiff