[GitHub] [kafka] mjsax commented on a change in pull request #9730: MINOR: fix error message

[GitBox <gi...@apache.org>]

mjsax commented on a change in pull request #9730:
URL: https://github.com/apache/kafka/pull/9730#discussion_r543871599



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File path: streams/src/test/java/org/apache/kafka/streams/integration/EosBetaUpgradeIntegrationTest.java
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@@ -1045,8 +1045,8 @@ private void checkResultPerKey(final List<KeyValue<Long, Long>> result,
                 assertThat(getAllRecordPerKey(key, result), equalTo(getAllRecordPerKey(key, expectedResult)));
             } catch (final AssertionError error) {
                 throw new AssertionError(
-                    "expected result: " + expectedResult.stream().map(KeyValue::toString).reduce("", (kv, str) -> str.isEmpty() ? kv : str + ", " + kv) +
-                    "\nreceived records: " + result.stream().map(KeyValue::toString).reduce("", (kv, str) -> str.isEmpty() ? kv : str + ", " + kv),
+                    "expected result: " + expectedResult.stream().map(KeyValue::toString).reduce("", (str, kv) -> str.isEmpty() ? kv : str + ", " + kv) +

Review comment:
       Still a noob using the JavaStream API... Does this only use the separator if there are more than one element?




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