Github user mushketyk commented on a diff in the pull request:
https://github.com/apache/flink/pull/2564#discussion_r81245767
--- Diff:
flink-test-utils-parent/flink-test-utils/src/main/java/org/apache/flink/test/util/TestBaseUtils.java
---
@@ -480,7 +480,8 @@ protected static File asFile(String path) {
}
}
- assertEquals("Wrong number of elements result",
expectedStrings.length, resultStrings.length);
+ assertEquals(String.format("Wrong number of elements result.
Expected: %s. Result: %s.", Arrays.toString(expectedStrings),
Arrays.toString(resultStrings)),
--- End diff --
The issue here is that it compares lengths of objects and therefore JUnit
only prints compared numbers (say 2 and 0) and not content of arrays.
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