counter: 1.2.15 - Added assertion for the expected number of messages

[demos/kafka/wordcount] / src / test / java / de / juplo / kafka / wordcount / counter / TestData.java

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..c9d871a 100644 (file)
--- a/src/test/java/de/juplo/kafka/wordcount/counter/TestData.java
+++ b/src/test/java/de/juplo/kafka/wordcount/counter/TestData.java
@@ -85,6 +85,25 @@ 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();
+       }
+
        private static final KeyValue<TestOutputWord, TestOutputWordCounter>[] EXPECTED_MESSAGES = new KeyValue[]
        {
                        KeyValue.pair(