package de.juplo.kafka.wordcount.counter;
+import de.juplo.kafka.wordcount.splitter.TestInputUser;
import de.juplo.kafka.wordcount.splitter.TestInputWord;
import de.juplo.kafka.wordcount.top10.TestOutputWord;
import de.juplo.kafka.wordcount.top10.TestOutputWordCounter;
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.function.Consumer;
import java.util.stream.Stream;
import static org.assertj.core.api.Assertions.assertThat;
static final TestOutputWord KLAUS_MÜSCH = TestOutputWord.of(KLAUS, WORD_MÜSCH);
static final TestOutputWord KLAUS_S = TestOutputWord.of(KLAUS, WORD_S);
- private static final KeyValue<String, TestInputWord>[] INPUT_MESSAGES = new KeyValue[]
+ private static final KeyValue<TestInputUser, TestInputWord>[] INPUT_MESSAGES = new KeyValue[]
{
- new KeyValue<>(
- PETER,
+ KeyValue.pair(
+ TestInputUser.of(PETER),
TestInputWord.of(PETER, WORD_HALLO)),
- new KeyValue<>(
- KLAUS,
+ KeyValue.pair(
+ TestInputUser.of(KLAUS),
TestInputWord.of(KLAUS, WORD_MÜSCH)),
- new KeyValue<>(
- PETER,
+ KeyValue.pair(
+ TestInputUser.of(PETER),
TestInputWord.of(PETER, WORD_WELT)),
- new KeyValue<>(
- KLAUS,
+ KeyValue.pair(
+ TestInputUser.of(KLAUS),
TestInputWord.of(KLAUS, WORD_MÜSCH)),
- new KeyValue<>(
- KLAUS,
+ KeyValue.pair(
+ TestInputUser.of(KLAUS),
TestInputWord.of(KLAUS, WORD_S)),
- new KeyValue<>(
- PETER,
+ KeyValue.pair(
+ TestInputUser.of(PETER),
TestInputWord.of(PETER, WORD_BOÄH)),
- new KeyValue<>(
- PETER,
+ KeyValue.pair(
+ TestInputUser.of(PETER),
TestInputWord.of(PETER, WORD_WELT)),
- new KeyValue<>(
- PETER,
+ KeyValue.pair(
+ TestInputUser.of(PETER),
TestInputWord.of(PETER, WORD_BOÄH)),
- new KeyValue<>(
- KLAUS,
+ KeyValue.pair(
+ TestInputUser.of(KLAUS),
TestInputWord.of(KLAUS, WORD_S)),
- new KeyValue<>(
- PETER,
+ KeyValue.pair(
+ TestInputUser.of(PETER),
TestInputWord.of(PETER, WORD_BOÄH)),
- new KeyValue<>(
- KLAUS,
+ KeyValue.pair(
+ TestInputUser.of(KLAUS),
TestInputWord.of(KLAUS, WORD_S)),
};
- static Stream<KeyValue<String, TestInputWord>> getInputMessages()
+ static Stream<KeyValue<TestInputUser, TestInputWord>> getInputMessages()
{
return Stream.of(TestData.INPUT_MESSAGES);
}
- static Consumer<MultiValueMap<TestOutputWord, TestOutputWordCounter>> expectedMessagesAssertion()
- {
- return receivedMessages -> assertExpectedMessages(receivedMessages);
- }
-
static void assertExpectedMessages(MultiValueMap<TestOutputWord, TestOutputWordCounter> receivedMessages)
{
expectedMessages().forEach(
.containsExactlyElementsOf(counter));
}
- static Consumer<MultiValueMap<TestOutputWord, TestOutputWordCounter>> expectedNumberOfMessagesForWordAssertion()
- {
- return receivedMessages -> assertExpectedNumberOfMessagesForWord(receivedMessages);
- }
-
static void assertExpectedNumberOfMessagesForWord(MultiValueMap<TestOutputWord, TestOutputWordCounter> receivedMessages)
{
assertThat(countMessagesForWord(PETER_HALLO, receivedMessages));
private static int countMessagesForWord(TestOutputWord word, MultiValueMap<TestOutputWord, TestOutputWordCounter> messagesForUsers)
{
- return messagesForUsers.get(word).size();
+ return messagesForUsers.get(word) == null
+ ? 0
+ : messagesForUsers.get(word).size();
+ }
+
+ static void assertExpectedState(ReadOnlyKeyValueStore<Word, Long> store)
+ {
+ assertWordCountEqualsWordCountFromLastMessage(PETER_HALLO, store.get(wordOf(PETER_HALLO)));
+ assertWordCountEqualsWordCountFromLastMessage(PETER_WELT, store.get(wordOf(PETER_WELT)));
+ assertWordCountEqualsWordCountFromLastMessage(PETER_BOÄH, store.get(wordOf(PETER_BOÄH)));
+ assertWordCountEqualsWordCountFromLastMessage(KLAUS_MÜSCH, store.get(wordOf(KLAUS_MÜSCH)));
+ assertWordCountEqualsWordCountFromLastMessage(KLAUS_S, store.get(wordOf(KLAUS_S)));
+ }
+
+ private static Word wordOf(TestOutputWord testOutputWord)
+ {
+ Word word = new Word();
+
+ word.setUser(testOutputWord.getUser());
+ word.setWord(testOutputWord.getWord());
+
+ return word;
+ }
+
+ static void assertExpectedLastMessagesForWord(MultiValueMap<TestOutputWord, TestOutputWordCounter> receivedMessages)
+ {
+ assertWordCountEqualsWordCountFromLastMessage(PETER_HALLO, getLastMessageFor(PETER_HALLO, receivedMessages));
+ assertWordCountEqualsWordCountFromLastMessage(PETER_WELT, getLastMessageFor(PETER_WELT, receivedMessages));
+ assertWordCountEqualsWordCountFromLastMessage(PETER_BOÄH, getLastMessageFor(PETER_BOÄH, receivedMessages));
+ assertWordCountEqualsWordCountFromLastMessage(KLAUS_MÜSCH, getLastMessageFor(KLAUS_MÜSCH, receivedMessages));
+ assertWordCountEqualsWordCountFromLastMessage(KLAUS_S, getLastMessageFor(KLAUS_S, receivedMessages));
+ }
+
+ private static void assertWordCountEqualsWordCountFromLastMessage(
+ TestOutputWord word,
+ Long counter)
+ {
+ TestOutputWordCounter testOutputWordCounter = TestOutputWordCounter.of(
+ word.getUser(),
+ word.getWord(),
+ counter);
+ assertWordCountEqualsWordCountFromLastMessage(word, testOutputWordCounter);
+ }
+
+ private static void assertWordCountEqualsWordCountFromLastMessage(
+ TestOutputWord word,
+ TestOutputWordCounter counter)
+ {
+ assertThat(counter).isEqualTo(getLastMessageFor(word));
+ }
+
+ private static TestOutputWordCounter getLastMessageFor(TestOutputWord word)
+ {
+ return getLastMessageFor(word, expectedMessages());
+ }
+
+ private static TestOutputWordCounter getLastMessageFor(
+ TestOutputWord user,
+ MultiValueMap<TestOutputWord, TestOutputWordCounter> messagesForWord)
+ {
+ return messagesForWord
+ .get(user)
+ .stream()
+ .reduce(null, (left, right) -> right);
}
private static final KeyValue<TestOutputWord, TestOutputWordCounter>[] EXPECTED_MESSAGES = new KeyValue[]