counter: 1.2.15 - DRY for test-data
[demos/kafka/wordcount] / src / test / java / de / juplo / kafka / wordcount / counter / TestData.java
index 5dc8bc2..714e585 100644 (file)
@@ -1,14 +1,13 @@
 package de.juplo.kafka.wordcount.counter;
 
-import org.apache.kafka.common.header.Header;
-import org.apache.kafka.common.header.Headers;
+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.springframework.util.LinkedMultiValueMap;
 import org.springframework.util.MultiValueMap;
 
-import java.util.Map;
-import java.util.Properties;
-import java.util.stream.Collectors;
+import java.util.function.Consumer;
 import java.util.stream.Stream;
 
 import static org.assertj.core.api.Assertions.assertThat;
@@ -16,22 +15,69 @@ import static org.assertj.core.api.Assertions.assertThat;
 
 class TestData
 {
-       static final Word[] INPUT_MESSAGES = new Word[]
+       static final String PETER = "peter";
+       static final String KLAUS = "klaus";
+
+       static final String WORD_HALLO = "Hallo";
+       static final String WORD_MÜSCH = "Müsch";
+       static final String WORD_WELT = "Welt";
+       static final String WORD_S = "s";
+       static final String WORD_BOÄH = "Boäh";
+
+       static final TestOutputWord PETER_HALLO = TestOutputWord.of(PETER, WORD_HALLO);
+       static final TestOutputWord PETER_WELT = TestOutputWord.of(PETER, WORD_WELT);
+       static final TestOutputWord PETER_BOÄH = TestOutputWord.of(PETER, WORD_BOÄH);
+       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[]
        {
-                       Word.of("peter","Hallo"),
-                       Word.of("klaus","Müsch"),
-                       Word.of("peter","Welt"),
-                       Word.of("klaus","Müsch"),
-                       Word.of("klaus","s"),
-                       Word.of("peter","Boäh"),
-                       Word.of("peter","Welt"),
-                       Word.of("peter","Boäh"),
-                       Word.of("klaus","s"),
-                       Word.of("peter","Boäh"),
-                       Word.of("klaus","s"),
+                       new KeyValue<>(
+                                       PETER,
+                                       TestInputWord.of(PETER, WORD_HALLO)),
+                       new KeyValue<>(
+                                       KLAUS,
+                                       TestInputWord.of(KLAUS, WORD_MÜSCH)),
+                       new KeyValue<>(
+                                       PETER,
+                                       TestInputWord.of(PETER, WORD_WELT)),
+                       new KeyValue<>(
+                                       KLAUS,
+                                       TestInputWord.of(KLAUS, WORD_MÜSCH)),
+                       new KeyValue<>(
+                                       KLAUS,
+                                       TestInputWord.of(KLAUS, WORD_S)),
+                       new KeyValue<>(
+                                       PETER,
+                                       TestInputWord.of(PETER, WORD_BOÄH)),
+                       new KeyValue<>(
+                                       PETER,
+                                       TestInputWord.of(PETER, WORD_WELT)),
+                       new KeyValue<>(
+                                       PETER,
+                                       TestInputWord.of(PETER, WORD_BOÄH)),
+                       new KeyValue<>(
+                                       KLAUS,
+                                       TestInputWord.of(KLAUS, WORD_S)),
+                       new KeyValue<>(
+                                       PETER,
+                                       TestInputWord.of(PETER, WORD_BOÄH)),
+                       new KeyValue<>(
+                                       KLAUS,
+                                       TestInputWord.of(KLAUS, WORD_S)),
        };
 
-       static void assertExpectedMessages(MultiValueMap<Word, WordCounter> receivedMessages)
+       static Stream<KeyValue<String, 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(
                                (word, counter) ->
@@ -39,74 +85,49 @@ class TestData
                                                                .containsExactlyElementsOf(counter));
        }
 
-       static final KeyValue<Word, WordCounter>[] EXPECTED_MESSAGES = new KeyValue[]
+       private static final KeyValue<TestOutputWord, TestOutputWordCounter>[] EXPECTED_MESSAGES = new KeyValue[]
        {
                        KeyValue.pair(
-                                       Word.of("peter","Hallo"),
-                                       WordCounter.of("peter","Hallo",1)),
+                                       PETER_HALLO,
+                                       TestOutputWordCounter.of(PETER, WORD_HALLO,1)),
                        KeyValue.pair(
-                                       Word.of("klaus","Müsch"),
-                                       WordCounter.of("klaus","Müsch",1)),
+                                       KLAUS_MÜSCH,
+                                       TestOutputWordCounter.of(KLAUS, WORD_MÜSCH,1)),
                        KeyValue.pair(
-                                       Word.of("peter","Welt"),
-                                       WordCounter.of("peter","Welt",1)),
+                                       PETER_WELT,
+                                       TestOutputWordCounter.of(PETER, WORD_WELT,1)),
                        KeyValue.pair(
-                                       Word.of("klaus","Müsch"),
-                                       WordCounter.of("klaus","Müsch",2)),
+                                       KLAUS_MÜSCH,
+                                       TestOutputWordCounter.of(KLAUS, WORD_MÜSCH,2)),
                        KeyValue.pair(
-                                       Word.of("klaus","s"),
-                                       WordCounter.of("klaus","s",1)),
+                                       KLAUS_S,
+                                       TestOutputWordCounter.of(KLAUS, WORD_S,1)),
                        KeyValue.pair(
-                                       Word.of("peter","Boäh"),
-                                       WordCounter.of("peter","Boäh",1)),
+                                       PETER_BOÄH,
+                                       TestOutputWordCounter.of(PETER, WORD_BOÄH,1)),
                        KeyValue.pair(
-                                       Word.of("peter","Welt"),
-                                       WordCounter.of("peter","Welt",2)),
+                                       PETER_WELT,
+                                       TestOutputWordCounter.of(PETER, WORD_WELT,2)),
                        KeyValue.pair(
-                                       Word.of("peter","Boäh"),
-                                       WordCounter.of("peter","Boäh",2)),
+                                       PETER_BOÄH,
+                                       TestOutputWordCounter.of(PETER, WORD_BOÄH,2)),
                        KeyValue.pair(
-                                       Word.of("klaus","s"),
-                                       WordCounter.of("klaus","s",2)),
+                                       KLAUS_S,
+                                       TestOutputWordCounter.of(KLAUS, WORD_S,2)),
                        KeyValue.pair(
-                                       Word.of("peter","Boäh"),
-                                       WordCounter.of("peter","Boäh",3)),
+                                       PETER_BOÄH,
+                                       TestOutputWordCounter.of(PETER, WORD_BOÄH,3)),
                        KeyValue.pair(
-                                       Word.of("klaus","s"),
-                                       WordCounter.of("klaus","s",3)),
+                                       KLAUS_S,
+                                       TestOutputWordCounter.of(KLAUS, WORD_S,3)),
        };
 
-       static MultiValueMap<Word, WordCounter> expectedMessages()
+       static MultiValueMap<TestOutputWord, TestOutputWordCounter> expectedMessages()
        {
-               MultiValueMap<Word, WordCounter> expectedMessages = new LinkedMultiValueMap<>();
+               MultiValueMap<TestOutputWord, TestOutputWordCounter> expectedMessages = new LinkedMultiValueMap<>();
                Stream
                                .of(EXPECTED_MESSAGES)
                                .forEach(keyValue -> expectedMessages.add(keyValue.key, keyValue.value));
                return expectedMessages;
        }
-
-       static Map<String, Object> convertToMap(Properties properties)
-       {
-               return properties
-                               .entrySet()
-                               .stream()
-                               .collect(
-                                               Collectors.toMap(
-                                                               entry -> (String)entry.getKey(),
-                                                               entry -> entry.getValue()
-                                               ));
-       }
-
-       static String parseHeader(Headers headers, String key)
-       {
-               Header header = headers.lastHeader(key);
-               if (header == null)
-               {
-                       return key + "=null";
-               }
-               else
-               {
-                       return key + "=" + new String(header.value());
-               }
-       }
 }