chia7712 commented on code in PR #15877:
URL: https://github.com/apache/kafka/pull/15877#discussion_r1591714910
##########
clients/src/test/java/org/apache/kafka/clients/MetadataTest.java:
##########
@@ -1323,7 +1323,7 @@ public void
testConcurrentUpdateAndFetchForSnapshotAndCluster() throws Interrupt
} else { // Thread to read metadata snapshot, once its updated
try {
if (!atleastMetadataUpdatedOnceLatch.await(5,
TimeUnit.MINUTES)) {
Review Comment:
How about using `assertDoesNotThrow`? For example:
```java
assertTrue(assertDoesNotThrow(() ->
atleastMetadataUpdatedOnceLatch.await(5, TimeUnit.MINUTES)),
"Test had to wait more than 5 minutes, something
went wrong.");
```
##########
clients/src/test/java/org/apache/kafka/clients/MetadataTest.java:
##########
@@ -1335,7 +1335,7 @@ public void
testConcurrentUpdateAndFetchForSnapshotAndCluster() throws Interrupt
});
}
if (!allThreadsDoneLatch.await(5, TimeUnit.MINUTES)) {
Review Comment:
How about using `assertTrue`?
```java
assertTrue(allThreadsDoneLatch.await(5, TimeUnit.MINUTES), "Test had to wait
more than 5 minutes, something went wrong.");
```
##########
clients/src/test/java/org/apache/kafka/common/header/internals/RecordHeadersTest.java:
##########
@@ -220,9 +220,7 @@ public void
shouldThrowNpeWhenAddingCollectionWithNullHeader() {
private int getCount(Headers headers) {
int count = 0;
- Iterator<Header> headerIterator = headers.iterator();
- while (headerIterator.hasNext()) {
- headerIterator.next();
+ for (Header ignore : headers) {
Review Comment:
How about using `toArray`? for example: `headers.toArray().length`
##########
clients/src/test/java/org/apache/kafka/test/Microbenchmarks.java:
##########
@@ -78,34 +78,30 @@ public static void main(String[] args) throws Exception {
final Time time = Time.SYSTEM;
final AtomicBoolean done = new AtomicBoolean(false);
final Object lock = new Object();
Review Comment:
Maybe we should just delete this old class ...
##########
clients/src/test/java/org/apache/kafka/clients/consumer/internals/ConsumerNetworkThreadTest.java:
##########
@@ -106,10 +103,9 @@ public void setup() {
commitRequestManager =
testBuilder.commitRequestManager.orElseThrow(IllegalStateException::new);
offsetsRequestManager = testBuilder.offsetsRequestManager;
coordinatorRequestManager =
testBuilder.coordinatorRequestManager.orElseThrow(IllegalStateException::new);
- heartbeatRequestManager =
testBuilder.heartbeatRequestManager.orElseThrow(IllegalStateException::new);
- memberhipsManager =
testBuilder.membershipManager.orElseThrow(IllegalStateException::new);
+ HeartbeatRequestManager heartbeatRequestManager =
testBuilder.heartbeatRequestManager.orElseThrow(IllegalStateException::new);
Review Comment:
The variables `heartbeatRequestManager` and `membershipManager` are unused.
Are they used to test the existence of `heartbeatRequestManager` and
`membershipManager`? If so, could we rewrite them by `assertTrue`? For example:
`assertTrue(testBuilder.heartbeatRequestManager.isPresent());`
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