counter: Fixed a bug in the logic of the assertions for the expected state

- Each combination of a user and a word is a uniq key.
- Since the ordering is only guaranteed for messages, with the same key,
  no expectations can be made according the ordering of messages with
  different keys!

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 d30c5c7..ae18246 100644 (file)
--- a/src/test/java/de/juplo/kafka/wordcount/counter/TestData.java
+++ b/src/test/java/de/juplo/kafka/wordcount/counter/TestData.java
@@ -28,47 +28,59 @@ class TestData
 
        static void assertExpectedResult(List<Message> receivedMessages)
        {
-               MultiValueMap<String, Message> received = new LinkedMultiValueMap<>();
-
-               receivedMessages.forEach(message -> received.add(message.getKey().getUsername(), message));
-
-               assertThat(received).hasSize(2);
-               assertThat(received.get("klaus")).containsExactly(klaus1, klaus2, klaus3, klaus4, klaus5);
-               assertThat(received.get("peter")).containsExactly(peter1, peter2, peter3, peter4, peter5, peter6);
+               assertThat(receivedMessages).hasSize(11);
+               assertThat(receivedMessages).containsSubsequence(
+                               expectedMessages[0]); // Hallo
+               assertThat(receivedMessages).containsSubsequence(
+                               expectedMessages[1],
+                               expectedMessages[3]); // Müsch
+               assertThat(receivedMessages).containsSubsequence(
+                               expectedMessages[2],
+                               expectedMessages[6]);
+               assertThat(receivedMessages).containsSubsequence(
+                               expectedMessages[4],
+                               expectedMessages[8],
+                               expectedMessages[10]); // s
+               assertThat(receivedMessages).containsSubsequence(
+                               expectedMessages[5],
+                               expectedMessages[7],
+                               expectedMessages[9]); // Boäh
        }
 
-       static Message peter1 = Message.of(
-                       Key.of("peter", "Hallo"),
-                       "1");
-       static Message peter2 = Message.of(
-                       Key.of("peter", "Welt"),
-                       "1");
-       static Message peter3 = Message.of(
-                       Key.of("peter", "Boäh"),
-                       "1");
-       static Message peter4 = Message.of(
-                       Key.of("peter", "Welt"),
-                       "2");
-       static Message peter5 = Message.of(
-                       Key.of("peter", "Boäh"),
-                       "2");
-       static Message peter6 = Message.of(
-                       Key.of("peter", "Boäh"),
-                       "3");
-
-       static Message klaus1 = Message.of(
-                       Key.of("klaus", "Müsch"),
-                       "1");
-       static Message klaus2 = Message.of(
-                       Key.of("klaus", "Müsch"),
-                       "2");
-       static Message klaus3 = Message.of(
-                       Key.of("klaus", "s"),
-                       "1");
-       static Message klaus4 = Message.of(
-                       Key.of("klaus", "s"),
-                       "2");
-       static Message klaus5 = Message.of(
-                       Key.of("klaus", "s"),
-                       "3");
+       static Message[] expectedMessages =
+       {
+                       Message.of(
+                                       Key.of("peter", "Hallo"),
+                                       "1"),
+                       Message.of(
+                                       Key.of("klaus", "Müsch"),
+                                       "1"),
+                       Message.of(
+                                       Key.of("peter", "Welt"),
+                                       "1"),
+                       Message.of(
+                                       Key.of("klaus", "Müsch"),
+                                       "2"),
+                       Message.of(
+                                       Key.of("klaus", "s"),
+                                       "1"),
+                       Message.of(
+                                       Key.of("peter", "Boäh"),
+                                       "1"),
+                       Message.of(
+                                       Key.of("peter", "Welt"),
+                                       "2"),
+                       Message.of(
+                                       Key.of("peter", "Boäh"),
+                                       "2"),
+                       Message.of(
+                                       Key.of("klaus", "s"),
+                                       "2"),
+                       Message.of(
+                                       Key.of("peter", "Boäh"),
+                                       "3"),
+                       Message.of(
+                                       Key.of("klaus", "s"),
+                                       "3"),
+       };
 }