IgnacioAcunaF commented on a change in pull request #10858:
URL: https://github.com/apache/kafka/pull/10858#discussion_r657481603
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File path: core/src/test/scala/unit/kafka/admin/ConsumerGroupServiceTest.scala
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@@ -62,6 +62,92 @@ class ConsumerGroupServiceTest {
verify(admin, times(1)).listOffsets(offsetsArgMatcher, any())
}
+ @Test
+ def testAdminRequestsForDescribeNegativeOffsets(): Unit = {
+ val args = Array("--bootstrap-server", "localhost:9092", "--group", group,
"--describe", "--offsets")
+ val groupService = consumerGroupService(args)
+
+ val testTopicPartition0 = new TopicPartition("testTopic1", 0);
+ val testTopicPartition1 = new TopicPartition("testTopic1", 1);
+ val testTopicPartition2 = new TopicPartition("testTopic1", 2);
+ val testTopicPartition3 = new TopicPartition("testTopic2", 0);
+ val testTopicPartition4 = new TopicPartition("testTopic2", 1);
+ val testTopicPartition5 = new TopicPartition("testTopic2", 2);
+
+ val offsets = Map(
+ //testTopicPartition0 -> there is no offset information for an asssigned
topic partition
+ testTopicPartition1 -> new OffsetAndMetadata(100), // regular
information for a assigned partition
+ testTopicPartition2 -> null, //there is a null value for an asssigned
topic partition
+ // testTopicPartition3 -> there is no offset information for an
unasssigned topic partition
+ testTopicPartition4 -> new OffsetAndMetadata(100), // regular
information for a unassigned partition
+ testTopicPartition5 -> null, //there is a null value for an unasssigned
topic partition
+ ).asJava
+
+ val resultInfo = new ListOffsetsResult.ListOffsetsResultInfo(100,
System.currentTimeMillis, Optional.of(1))
+ val endOffsets = Map(
+ testTopicPartition0 -> KafkaFuture.completedFuture(resultInfo),
+ testTopicPartition1 -> KafkaFuture.completedFuture(resultInfo),
+ testTopicPartition2 -> KafkaFuture.completedFuture(resultInfo),
+ testTopicPartition3 -> KafkaFuture.completedFuture(resultInfo),
+ testTopicPartition4 -> KafkaFuture.completedFuture(resultInfo),
+ testTopicPartition5 -> KafkaFuture.completedFuture(resultInfo),
+ )
+ val assignedTopicPartitions = Set(testTopicPartition0,
testTopicPartition1, testTopicPartition2 )
+ val unassignedTopicPartitions = offsets.asScala.filterNot { case (tp, _)
=> assignedTopicPartitions.contains(tp) }.toMap.keySet
+
+ def describeGroupsResult(groupState: ConsumerGroupState):
DescribeConsumerGroupsResult = {
+ val member1 = new MemberDescription("member1", Optional.of("instance1"),
"client1", "host1", new MemberAssignment(assignedTopicPartitions.asJava))
+ val description = new ConsumerGroupDescription(group,
+ true,
+ Collections.singleton(member1),
+ classOf[RangeAssignor].getName,
+ groupState,
+ new Node(1, "localhost", 9092))
+ new DescribeConsumerGroupsResult(Collections.singletonMap(group,
KafkaFuture.completedFuture(description)))
+ }
+
+ def offsetsArgMatcherAssignedTopics: util.Map[TopicPartition, OffsetSpec]
= {
+ val expectedOffsets = endOffsets.filter{ case (tp, _) =>
assignedTopicPartitions.contains(tp) }.keySet.map(tp => tp ->
OffsetSpec.latest).toMap
+ ArgumentMatchers.argThat[util.Map[TopicPartition, OffsetSpec]] { map =>
+ map.keySet.asScala == expectedOffsets.keySet &&
map.values.asScala.forall(_.isInstanceOf[OffsetSpec.LatestSpec])
+ }
+ }
+ def offsetsArgMatcherUnassignedTopics: util.Map[TopicPartition,
OffsetSpec] = {
+ val expectedOffsets = offsets.asScala.filter{ case (tp, _) =>
unassignedTopicPartitions.contains(tp) }.keySet.map(tp => tp ->
OffsetSpec.latest).toMap
+ ArgumentMatchers.argThat[util.Map[TopicPartition, OffsetSpec]] { map =>
+ map.keySet.asScala == expectedOffsets.keySet &&
map.values.asScala.forall(_.isInstanceOf[OffsetSpec.LatestSpec])
+ }
+ }
+
when(admin.describeConsumerGroups(ArgumentMatchers.eq(Collections.singletonList(group)),
any()))
+ .thenReturn(describeGroupsResult(ConsumerGroupState.STABLE))
+ when(admin.listConsumerGroupOffsets(ArgumentMatchers.eq(group), any()))
+ .thenReturn(AdminClientTestUtils.listConsumerGroupOffsetsResult(offsets))
+ doAnswer(_ => new
ListOffsetsResult(endOffsets.asJava)).when(admin).listOffsets(offsetsArgMatcherAssignedTopics,
any())
+ doAnswer(_ => new
ListOffsetsResult(endOffsets.asJava)).when(admin).listOffsets(offsetsArgMatcherUnassignedTopics,
any())
Review comment:
In fact that was my first approach, but defining a
when(...).thenReturn(...) for two differentes ArgMatcher for the same method
throw an Null Pointer Error at Mockito. Used the doAnswer as a workaround.
But taking into account tha previous comment, I am working on a single
when(...).thenReturn(...), so it wouldn't be a problem anymore
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