chia7712 commented on code in PR #16532:
URL: https://github.com/apache/kafka/pull/16532#discussion_r1667176539
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clients/src/test/java/org/apache/kafka/clients/consumer/internals/FetcherTest.java:
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@@ -3665,6 +3670,52 @@ public void
testWhenFetchResponseReturnsALeaderShipChangeErrorAndNewLeaderInform
// Validate subscription is still valid & fetch-able for tp1.
assertTrue(subscriptions.isFetchable(tp1));
}
+
+ @Test
+ public void testFetcherDontCacheAnyData() {
Review Comment:
This part is good but it's gone too far. Maybe we can create a
`FetchResponse` and then test the method `responseData`?
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