Github user mushketyk commented on a diff in the pull request:
https://github.com/apache/flink/pull/2564#discussion_r91618485
--- Diff:
flink-test-utils-parent/flink-test-utils/src/main/java/org/apache/flink/test/util/TestBaseUtils.java
---
@@ -480,16 +480,22 @@ protected static File asFile(String path) {
resultStrings[i] = (val == null) ? "null" :
val.toString();
}
}
-
- assertEquals("Wrong number of elements result",
expectedStrings.length, resultStrings.length);
+
+ //
+ String msg = String.format(
+ "Different elements in arrays. Expected %d elements:
%s. Actual %d elements: %s",
+ expectedStrings.length,
Arrays.toString(expectedStrings),
+ resultStrings.length, Arrays.toString(resultStrings));
+
+ assertEquals(msg, expectedStrings.length, resultStrings.length);
if (sort) {
Arrays.sort(expectedStrings);
Arrays.sort(resultStrings);
}
for (int i = 0; i < expectedStrings.length; i++) {
- assertEquals(expectedStrings[i], resultStrings[i]);
+ assertEquals(msg, expectedStrings[i], resultStrings[i]);
--- End diff --
I think it will give more context just as in the comparing lengths case.
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