lianetm commented on code in PR #16982:
URL: https://github.com/apache/kafka/pull/16982#discussion_r1733254682
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clients/src/test/java/org/apache/kafka/clients/consumer/KafkaConsumerTest.java:
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@@ -2481,23 +2489,31 @@ public void testCurrentLag(GroupProtocol groupProtocol)
{
consumer.seek(tp0, 50L);
consumer.poll(Duration.ofMillis(0));
// requests: list-offset, fetch
- assertEquals(2, client.inFlightRequestCount());
+ TestUtils.waitForCondition(() -> {
+ boolean hasListOffsetRequest = requestGenerated(client,
ApiKeys.LIST_OFFSETS);
+ boolean fetchRequest = requestGenerated(client, ApiKeys.FETCH);
+ return hasListOffsetRequest && fetchRequest;
+ }, "No list-offset & fetch request sent");
// no error for no end offset (so unknown lag)
assertEquals(OptionalLong.empty(), consumer.currentLag(tp0));
// poll once again, which should return the list-offset response
// and hence next call would return correct lag result
- client.respond(listOffsetsResponse(singletonMap(tp0, 90L)));
+ Optional<ClientRequest> listOffsetRequest =
client.requests().stream().filter(request ->
request.requestBuilder().apiKey().equals(ApiKeys.LIST_OFFSETS)).findFirst();
+ assertTrue(listOffsetRequest.isPresent());
+ client.respondToRequest(listOffsetRequest.get(),
listOffsetsResponse(singletonMap(tp0, 90L)));
consumer.poll(Duration.ofMillis(0));
assertEquals(OptionalLong.of(40L), consumer.currentLag(tp0));
// requests: fetch
- assertEquals(1, client.inFlightRequestCount());
+ TestUtils.waitForCondition(() -> requestGenerated(client,
ApiKeys.FETCH), "No fetch request sent");
// one successful fetch should update the log end offset and the
position
+ Optional<ClientRequest> fetchRequest =
client.requests().stream().filter(request ->
request.requestBuilder().apiKey().equals(ApiKeys.FETCH)).findFirst();
final FetchInfo fetchInfo = new FetchInfo(1L, 99L, 50L, 5);
- client.respond(fetchResponse(singletonMap(tp0, fetchInfo)));
+ assertTrue(fetchRequest.isPresent());
Review Comment:
we probably don't need this assertion given that we already checked that the
request was generated on the waitForCondition on ln 2510?
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