X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Ftest%2Fjava%2Fde%2Fjuplo%2Fkafka%2Fwordcount%2Fcounter%2FTestData.java;h=4e431e15106c5071a09bd8ebb213b7d49c5719df;hb=3eb1ec997478982fffb31f09c21e756b529e474a;hp=714e5850a8a4c6e8da383d352a01fbff1af82be3;hpb=ed364e3fb4436eeb181b6eac9ff4650d3d91f21c;p=demos%2Fkafka%2Fwordcount

diff --git a/src/test/java/de/juplo/kafka/wordcount/counter/TestData.java b/src/test/java/de/juplo/kafka/wordcount/counter/TestData.java
index 714e585..4e431e1 100644
--- a/src/test/java/de/juplo/kafka/wordcount/counter/TestData.java
+++ b/src/test/java/de/juplo/kafka/wordcount/counter/TestData.java
@@ -4,6 +4,7 @@ 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;
 
@@ -85,6 +86,91 @@ class TestData
 								.containsExactlyElementsOf(counter));
 	}
 
+	static Consumer<MultiValueMap<TestOutputWord, TestOutputWordCounter>> expectedNumberOfMessagesForWordAssertion()
+	{
+		return receivedMessages -> assertExpectedNumberOfMessagesForWord(receivedMessages);
+	}
+
+	static void assertExpectedNumberOfMessagesForWord(MultiValueMap<TestOutputWord, TestOutputWordCounter> receivedMessages)
+	{
+		assertThat(countMessagesForWord(PETER_HALLO, receivedMessages));
+		assertThat(countMessagesForWord(PETER_WELT, receivedMessages));
+		assertThat(countMessagesForWord(PETER_BOÄH, receivedMessages));
+		assertThat(countMessagesForWord(KLAUS_MÜSCH, receivedMessages));
+		assertThat(countMessagesForWord(KLAUS_S, receivedMessages));
+	}
+
+	private static int countMessagesForWord(TestOutputWord word, MultiValueMap<TestOutputWord, TestOutputWordCounter> messagesForUsers)
+	{
+		return messagesForUsers.get(word).size();
+	}
+
+	static Consumer<MultiValueMap<TestOutputWord, TestOutputWordCounter>> expectedLastMessagesForWordAssertion()
+	{
+		return receivedMessages -> assertExpectedLastMessagesForWord(receivedMessages);
+	}
+
+	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[]
 	{
 			KeyValue.pair(