X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Ftest%2Fjava%2Fde%2Fjuplo%2Fkafka%2Fwordcount%2Fcounter%2FTestData.java;h=b5c6c46fcdda396cba69e4e2c20aaf4c4427e434;hb=237133719b1d06d542302fb948d9cf3aff80a8a4;hp=c9d871ac962dcdbe73082ea064e68b5a3b30caed;hpb=1127988a1b631aa9e0c0107c1a3ed9f99edd188b;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 c9d871a..b5c6c46 100644
--- a/src/test/java/de/juplo/kafka/wordcount/counter/TestData.java
+++ b/src/test/java/de/juplo/kafka/wordcount/counter/TestData.java
@@ -104,6 +104,42 @@ class TestData
 		return messagesForUsers.get(word).size();
 	}
 
+	static Consumer<MultiValueMap<TestOutputWord, TestOutputWordCounter>> expectedLastMessagesForWordAssertion()
+	{
+		return receivedMessages -> assertExpectedLastMessagesForWord(receivedMessages);
+	}
+
+	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,
+			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(