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Posted to dev@kafka.apache.org by Guozhang Wang <wa...@gmail.com> on 2015/07/14 04:49:20 UTC

Re: Review Request 35615: Patch for KAFKA-1782

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/35615/#review91575
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Some general comments:

1. Regarding the @Before and @After annotations, one suggestion from the JIRA was that we remove any annotations other than "@Test" itself but use scalatest features (for example, http://doc.scalatest.org/2.2.4/#org.scalatest.BeforeAndAfter) instead. Now I cannot remember a strong motiviation for this move, so I feel it may be also OK as you chose to use the junit tags anyways.
2. Regarding org.junit.Assert and org.scalatest.Assertions in imports, if we decide to be junit-heavy instead of scalatest-heavy for our unit tests, we should then use the former for most of the time and only the latter for intercept[..] since it is not supported in the fomer. There seems a few places where both of them are used for fail / assert, etc.


core/src/test/scala/integration/kafka/api/ConsumerTest.scala (line 33)
<https://reviews.apache.org/r/35615/#comment145012>

    Seems this import is not used inside the class?



core/src/test/scala/integration/kafka/api/ProducerFailureHandlingTest.scala (line 22)
<https://reviews.apache.org/r/35615/#comment145015>

    Seems this import is not used as well. BTW I have another general comment regarding this issue.



core/src/test/scala/integration/kafka/api/ProducerFailureHandlingTest.scala (lines 263 - 266)
<https://reviews.apache.org/r/35615/#comment145013>

    Is this intentional, as we already import org.junit.Assert._?



core/src/test/scala/integration/kafka/api/ProducerFailureHandlingTest.scala (lines 289 - 294)
<https://reviews.apache.org/r/35615/#comment145014>

    Same as above.



core/src/test/scala/integration/kafka/api/ProducerSendTest.scala (line 34)
<https://reviews.apache.org/r/35615/#comment145016>

    Sometimes we use org.scalatest.Assertions.fail() and sometimes we use org.junit.Assert.fail(); it would better that we are consistent in one of them, and personally I recommend following the org.junit package since it is more general.



core/src/test/scala/unit/kafka/admin/AdminTest.scala (lines 29 - 30)
<https://reviews.apache.org/r/35615/#comment145017>

    Since we already imported Assert._ we do not need to import the other Assertions._ for this class.



core/src/test/scala/unit/kafka/network/SocketServerTest.scala (line 35)
<https://reviews.apache.org/r/35615/#comment145026>

    Shall we import import org.junit.{After, Before, Test} instead of org.scalatest.junit.JUnitSuite?



core/src/test/scala/unit/kafka/producer/ProducerTest.scala (lines 26 - 34)
<https://reviews.apache.org/r/35615/#comment145027>

    Could you group the imports of org.*, java.*, kafka.*, etc together? Same for some other places.



core/src/test/scala/unit/kafka/producer/ProducerTest.scala (line 118)
<https://reviews.apache.org/r/35615/#comment145028>

    I think we can just use org.junit.Assert.fail here.



core/src/test/scala/unit/kafka/producer/ProducerTest.scala (line 131)
<https://reviews.apache.org/r/35615/#comment145029>

    same above.



core/src/test/scala/unit/kafka/producer/ProducerTest.scala (line 144)
<https://reviews.apache.org/r/35615/#comment145030>

    same above.



core/src/test/scala/unit/kafka/producer/ProducerTest.scala (line 203)
<https://reviews.apache.org/r/35615/#comment145031>

    same above.



core/src/test/scala/unit/kafka/producer/ProducerTest.scala (line 263)
<https://reviews.apache.org/r/35615/#comment145032>

    same above



core/src/test/scala/unit/kafka/producer/ProducerTest.scala (line 297)
<https://reviews.apache.org/r/35615/#comment145033>

    same above



core/src/test/scala/unit/kafka/producer/ProducerTest.scala (line 311)
<https://reviews.apache.org/r/35615/#comment145034>

    same above


- Guozhang Wang


On June 18, 2015, 6:53 p.m., Alexander Pakulov wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/35615/
> -----------------------------------------------------------
> 
> (Updated June 18, 2015, 6:53 p.m.)
> 
> 
> Review request for kafka.
> 
> 
> Bugs: KAFKA-1782
>     https://issues.apache.org/jira/browse/KAFKA-1782
> 
> 
> Repository: kafka
> 
> 
> Description
> -------
> 
> KAFKA-1782; Junit3 Misusage
> 
> 
> Diffs
> -----
> 
>   core/src/test/scala/integration/kafka/api/ConsumerBounceTest.scala f56096b826bdbf760411a54ba067a6a83eca8a10 
>   core/src/test/scala/integration/kafka/api/ConsumerTest.scala 17b17b9b1520c7cc2e2ba96cdb1f9ff06e47bcad 
>   core/src/test/scala/integration/kafka/api/IntegrationTestHarness.scala 07b1ff47bfc3cd3f948c9533c8dc977fa36d996f 
>   core/src/test/scala/integration/kafka/api/ProducerBounceTest.scala ce70a0a449883723a9b59ea48da34ba30b3f6daf 
>   core/src/test/scala/integration/kafka/api/ProducerCompressionTest.scala 83de81cb3f79a6966dd5ef462733d8a22cd6d467 
>   core/src/test/scala/integration/kafka/api/ProducerFailureHandlingTest.scala ee94011894b46864614b97bbd2a98375a7d3f20b 
>   core/src/test/scala/integration/kafka/api/ProducerSendTest.scala 9ce4bd5ee130ce3cb252b2883a3fd3c9acd742a5 
>   core/src/test/scala/unit/kafka/KafkaConfigTest.scala 4764c8976022dfaaebd7ef1cd4ddca55a3ed8a89 
>   core/src/test/scala/unit/kafka/admin/AddPartitionsTest.scala df5c6ba20f01e497ce896af790cbab40369f1776 
>   core/src/test/scala/unit/kafka/admin/AdminTest.scala efb2f8e79b3faef78722774b951fea828cd50374 
>   core/src/test/scala/unit/kafka/admin/DeleteConsumerGroupTest.scala 1913ad6d3e6eb29a0c939c4f59f6b688c8c925fa 
>   core/src/test/scala/unit/kafka/admin/DeleteTopicTest.scala fa8ce259a2832ab86f9dda8c1d409b2c42d43ae9 
>   core/src/test/scala/unit/kafka/admin/TopicCommandTest.scala c7136f20972614ac47aa57ab13e3c94ef775a4b7 
>   core/src/test/scala/unit/kafka/api/ApiUtilsTest.scala 255442526d94157b7a0b5a92e1d6a900aacb7536 
>   core/src/test/scala/unit/kafka/api/RequestResponseSerializationTest.scala 5717165f2344823fabe8f7cfafae4bb8af2d949a 
>   core/src/test/scala/unit/kafka/cluster/BrokerEndPointTest.scala abe511fc1458bfb5a93c152aed81a827cc24ce68 
>   core/src/test/scala/unit/kafka/common/ConfigTest.scala 0aca9385bff093b4cb52e42291c9c1d58d9600de 
>   core/src/test/scala/unit/kafka/common/TopicTest.scala 79532c89c41572ba953c4dc3319a05354927e961 
>   core/src/test/scala/unit/kafka/consumer/ConsumerIteratorTest.scala db5302ff02851f9f1a59419b1e071286bff0e142 
>   core/src/test/scala/unit/kafka/consumer/PartitionAssignorTest.scala adf08010597b7c6ed72eddf93962497c3209e10f 
>   core/src/test/scala/unit/kafka/consumer/TopicFilterTest.scala 4f124af5c3e946045a78ad1519c37372a72c8985 
>   core/src/test/scala/unit/kafka/consumer/ZookeeperConsumerConnectorTest.scala 359b0f5d14f82d14ee423cde271bb35b7034766d 
>   core/src/test/scala/unit/kafka/coordinator/ConsumerGroupMetadataTest.scala b69c993a3fa49f7f01dd28e13ce465c2a89eeba5 
>   core/src/test/scala/unit/kafka/coordinator/CoordinatorMetadataTest.scala 08854c5e6ec249368206298b2ac2623df18f266a 
>   core/src/test/scala/unit/kafka/coordinator/PartitionAssignorTest.scala 887cee5a582b5737ba838920399bb9b24bf22382 
>   core/src/test/scala/unit/kafka/integration/AutoOffsetResetTest.scala 139dc9a104c024e35fd9bc5ac9333e6bd208b571 
>   core/src/test/scala/unit/kafka/integration/FetcherTest.scala facebd8f81c67f26f41a96bce343227bc9b55893 
>   core/src/test/scala/unit/kafka/integration/KafkaServerTestHarness.scala 87c631573aa1e0275d6618c4ac3b33e76fa6abd3 
>   core/src/test/scala/unit/kafka/integration/MinIsrConfigTest.scala a2c97134d85c637256440b5eb42f594d50f0cfe4 
>   core/src/test/scala/unit/kafka/integration/PrimitiveApiTest.scala 6a758a7db71bdc4794b1e5f264f8ca6d410ff2ba 
>   core/src/test/scala/unit/kafka/integration/ProducerConsumerTestHarness.scala 4614a922e739098dbb0ff560d831e26045e32023 
>   core/src/test/scala/unit/kafka/integration/RollingBounceTest.scala 12d0733f5edf436315f884bc193da533d9d4a4ee 
>   core/src/test/scala/unit/kafka/integration/TopicMetadataTest.scala 995b05901491bb0dbf0df210d44bd1d7f66fdc82 
>   core/src/test/scala/unit/kafka/integration/UncleanLeaderElectionTest.scala e4bf2df48dd59a251b646b7f96d63ec4b924fc0b 
>   core/src/test/scala/unit/kafka/javaapi/consumer/ZookeeperConsumerConnectorTest.scala 74c761dec7afc98667032bdec8359a9aa7c2ecc2 
>   core/src/test/scala/unit/kafka/javaapi/message/BaseMessageSetTestCases.scala 726399e3c7a4157223b5037ff2a03da51236e876 
>   core/src/test/scala/unit/kafka/javaapi/message/ByteBufferMessageSetTest.scala 383fcef02994fde07e669651e522b9e5ee239dd8 
>   core/src/test/scala/unit/kafka/log/CleanerTest.scala 8b8249a35322a60ca94cb385a6cad25943dd1cc9 
>   core/src/test/scala/unit/kafka/log/FileMessageSetTest.scala cec1caecc51507ae339ebf8f3b8a028b12a1a056 
>   core/src/test/scala/unit/kafka/log/LogCleanerIntegrationTest.scala 471ddff9bff1bdfa277c071e59e5c6b749b9c74f 
>   core/src/test/scala/unit/kafka/log/LogConfigTest.scala 3fd5a53f9b0edc0a7a169a185cd3041ea1ae7658 
>   core/src/test/scala/unit/kafka/log/LogManagerTest.scala 01dfbc4f8d21f6905327cd4ed6c61d657adc0143 
>   core/src/test/scala/unit/kafka/log/LogSegmentTest.scala 03fb3512c4a4450eac83d4cd4b0919baeaa22942 
>   core/src/test/scala/unit/kafka/log/LogTest.scala 8e095d652851f05365e1d3bbe3e9e1c3345b7a40 
>   core/src/test/scala/unit/kafka/log/OffsetIndexTest.scala 9213a5d9e95d0a5f3009b2cf50baa99765e4cfef 
>   core/src/test/scala/unit/kafka/log/OffsetMapTest.scala 12ce39e665afd4cb1d8aa8d7d4d7df18b219a141 
>   core/src/test/scala/unit/kafka/log4j/KafkaLog4jAppenderTest.scala 41366a14590d318fced0e83d6921d8035fa882da 
>   core/src/test/scala/unit/kafka/message/BaseMessageSetTestCases.scala dd8847f5f709a0a7b2e7037d5beda9a0dfc054d6 
>   core/src/test/scala/unit/kafka/message/ByteBufferMessageSetTest.scala 07bc317bcd40cf40fbff1cbd5039672508f293d9 
>   core/src/test/scala/unit/kafka/message/MessageCompressionTest.scala 76987d4fa68fd39cf0ce6bc47b05eb32b17bbedb 
>   core/src/test/scala/unit/kafka/message/MessageTest.scala 11c0f817ca06e4a53bce1009ad6a36aa007cf93a 
>   core/src/test/scala/unit/kafka/message/MessageWriterTest.scala b08a3432ad1ae49372e4b6cea9b247f6be2889da 
>   core/src/test/scala/unit/kafka/metrics/KafkaTimerTest.scala 7df74050f99567395d4d01c1600ca77cd917652e 
>   core/src/test/scala/unit/kafka/metrics/MetricsTest.scala b42101b85fa4aa6a2249e7b04ec0f61e51c81c3f 
>   core/src/test/scala/unit/kafka/network/SocketServerTest.scala 7dc2fad542ea553ee888543dd215eb41ea57d509 
>   core/src/test/scala/unit/kafka/producer/AsyncProducerTest.scala be4bb878dc49f05caf55b36e9218ed19b1c56253 
>   core/src/test/scala/unit/kafka/producer/ProducerTest.scala 4d2536b462c030f4f269bad024847839e63337c2 
>   core/src/test/scala/unit/kafka/producer/SyncProducerTest.scala 8c3fb7a393db019a29b284b26670f63c25d6a4c6 
>   core/src/test/scala/unit/kafka/server/AdvertiseBrokerTest.scala e899b023b3153542f481b82e92b258e4595b23dc 
>   core/src/test/scala/unit/kafka/server/DelayedOperationTest.scala f3ab3f4ff8eb1aa6b2ab87ba75f72eceb6649620 
>   core/src/test/scala/unit/kafka/server/DynamicConfigChangeTest.scala 7877f6ca1845c2edbf96d4a9783a07a552db8f07 
>   core/src/test/scala/unit/kafka/server/HighwatermarkPersistenceTest.scala 60cd8249e6ec03349e20bb0a7226ea9cd66e6b17 
>   core/src/test/scala/unit/kafka/server/ISRExpirationTest.scala 90529faf11dca65c3ef6bcb27ad72557bc36f939 
>   core/src/test/scala/unit/kafka/server/KafkaConfigConfigDefTest.scala c487f361949b2ca2b6d1b5e2c7fb9ba83c8e53c1 
>   core/src/test/scala/unit/kafka/server/KafkaConfigTest.scala 2428dbd7197a58cf4cad42ef82b385dab3a2b15e 
>   core/src/test/scala/unit/kafka/server/LeaderElectionTest.scala f1977d850a5bf1125260949101fa3485b29bd4e6 
>   core/src/test/scala/unit/kafka/server/LogOffsetTest.scala e57c1dec2dee4b9a64ffe5906d12676fd877319b 
>   core/src/test/scala/unit/kafka/server/LogRecoveryTest.scala 7688f26fe42c4481fe2da7a1d50459805be0ebc1 
>   core/src/test/scala/unit/kafka/server/OffsetCommitTest.scala 528525b719ec916e16f8b3ae3715bec4b5dcc47d 
>   core/src/test/scala/unit/kafka/server/ReplicaFetchTest.scala a3a03db88c4c3b2949c4ff7f26f2f00498884b18 
>   core/src/test/scala/unit/kafka/server/ReplicaManagerTest.scala 00d59337a99ac135e8689bd1ecd928f7b1423d79 
>   core/src/test/scala/unit/kafka/server/ServerGenerateBrokerIdTest.scala 12269cde06aab953dcd898821a8afaa5c4290e77 
>   core/src/test/scala/unit/kafka/server/ServerShutdownTest.scala 95534e36c29023565fedf6bf0fe537ef270c2420 
>   core/src/test/scala/unit/kafka/server/ServerStartupTest.scala 60e10b3d5adda152a01425d98d45ca373a63bebd 
>   core/src/test/scala/unit/kafka/server/SimpleFetchTest.scala 09a0961f73969aca3b054ed3ff6b181a6500364a 
>   core/src/test/scala/unit/kafka/utils/ByteBoundedBlockingQueueTest.scala fd8cf7bf04c5f8e6166f1e3dd5ab369b478c02ee 
>   core/src/test/scala/unit/kafka/utils/CommandLineUtilsTest.scala 6380b6e623e7a6fcaf7b44473291075a0aa010a8 
>   core/src/test/scala/unit/kafka/utils/IteratorTemplateTest.scala fbd245cad0afab146354fdcc76193d784e1997d9 
>   core/src/test/scala/unit/kafka/utils/JsonTest.scala 93550e8f24071f88eb1ea5b41373efee27e4b8b7 
>   core/src/test/scala/unit/kafka/utils/ReplicationUtilsTest.scala c96c0ffd958d63c09880d436b2e5ae96f51ead36 
>   core/src/test/scala/unit/kafka/utils/SchedulerTest.scala cfea63b88e2590cbd7a1e7cb2c8cacf054bd5568 
>   core/src/test/scala/unit/kafka/utils/TestUtils.scala 17e9fe4c159a29033fe9a287db6ced2fdc3fa9d1 
>   core/src/test/scala/unit/kafka/utils/timer/TimerTaskListTest.scala 052aecdc32ae14afe6aabf942ed7c0028ed9f979 
>   core/src/test/scala/unit/kafka/utils/timer/TimerTest.scala 8507592d1f374248cc7f56ef786544562ca8ad9c 
>   core/src/test/scala/unit/kafka/zk/ZKEphemeralTest.scala 2be161985657293e83a3fd4d3d15faa30e9a119e 
>   core/src/test/scala/unit/kafka/zk/ZKPathTest.scala d3e44c62e272b01edd51553270e7d667e55f6e44 
>   core/src/test/scala/unit/kafka/zk/ZooKeeperTestHarness.scala 1f4d10d25ab3b907689ead7701d2c868ba703952 
> 
> Diff: https://reviews.apache.org/r/35615/diff/
> 
> 
> Testing
> -------
> 
> 
> Thanks,
> 
> Alexander Pakulov
> 
>


Re: Review Request 35615: Patch for KAFKA-1782

Posted by Alexander Pakulov <a....@gmail.com>.

> On July 14, 2015, 2:49 a.m., Guozhang Wang wrote:
> > Some general comments:
> > 
> > 1. Regarding the @Before and @After annotations, one suggestion from the JIRA was that we remove any annotations other than "@Test" itself but use scalatest features (for example, http://doc.scalatest.org/2.2.4/#org.scalatest.BeforeAndAfter) instead. Now I cannot remember a strong motiviation for this move, so I feel it may be also OK as you chose to use the junit tags anyways.
> > 2. Regarding org.junit.Assert and org.scalatest.Assertions in imports, if we decide to be junit-heavy instead of scalatest-heavy for our unit tests, we should then use the former for most of the time and only the latter for intercept[..] since it is not supported in the fomer. There seems a few places where both of them are used for fail / assert, etc.

1. We could only use BeforeAndAfter for classes that aren't going to extended, because this trair isn't stackable.
I'll go ahead and try BeforeAndAfter each and report back with results.

2. Totally agree to keep code using only one.


> On July 14, 2015, 2:49 a.m., Guozhang Wang wrote:
> > core/src/test/scala/integration/kafka/api/ConsumerTest.scala, line 33
> > <https://reviews.apache.org/r/35615/diff/2/?file=987171#file987171line33>
> >
> >     Seems this import is not used inside the class?

I've found what was the root cause of this import I've accidentaly removed JUnit3Suite in KafkaServerTestHarness instead of replacing it with JUnitSuite. I'm going to remove unnecessary imports


> On July 14, 2015, 2:49 a.m., Guozhang Wang wrote:
> > core/src/test/scala/integration/kafka/api/ProducerSendTest.scala, line 34
> > <https://reviews.apache.org/r/35615/diff/2/?file=987176#file987176line34>
> >
> >     Sometimes we use org.scalatest.Assertions.fail() and sometimes we use org.junit.Assert.fail(); it would better that we are consistent in one of them, and personally I recommend following the org.junit package since it is more general.

Fixed to use org.junit.* only


- Alexander


-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/35615/#review91575
-----------------------------------------------------------


On July 15, 2015, 11:58 p.m., Alexander Pakulov wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/35615/
> -----------------------------------------------------------
> 
> (Updated July 15, 2015, 11:58 p.m.)
> 
> 
> Review request for kafka.
> 
> 
> Bugs: KAFKA-1782
>     https://issues.apache.org/jira/browse/KAFKA-1782
> 
> 
> Repository: kafka
> 
> 
> Description
> -------
> 
> Merge branch 'trunk' into KAFKA-1782
> 
> 
> Merge branch 'trunk' into KAFKA-1782
> 
> 
> KAFKA-1782; Cleanups
> 
> 
> KAFKA-1782; Cleanups
> 
> 
> Diffs
> -----
> 
>   core/src/test/scala/integration/kafka/api/ConsumerBounceTest.scala b0750faa43dfe21a9226335020b4b5dac6cf65bf 
>   core/src/test/scala/integration/kafka/api/ConsumerTest.scala 92ffb91b5e039dc0d4cd0e072ca46db32f280cf9 
>   core/src/test/scala/integration/kafka/api/IntegrationTestHarness.scala afcc349342d44f42e19ca730dbd074c338638a64 
>   core/src/test/scala/integration/kafka/api/ProducerBounceTest.scala ce70a0a449883723a9b59ea48da34ba30b3f6daf 
>   core/src/test/scala/integration/kafka/api/ProducerCompressionTest.scala 83de81cb3f79a6966dd5ef462733d8a22cd6d467 
>   core/src/test/scala/integration/kafka/api/ProducerFailureHandlingTest.scala ee94011894b46864614b97bbd2a98375a7d3f20b 
>   core/src/test/scala/integration/kafka/api/ProducerSendTest.scala 9ce4bd5ee130ce3cb252b2883a3fd3c9acd742a5 
>   core/src/test/scala/unit/kafka/KafkaConfigTest.scala 4764c8976022dfaaebd7ef1cd4ddca55a3ed8a89 
>   core/src/test/scala/unit/kafka/admin/AddPartitionsTest.scala df5c6ba20f01e497ce896af790cbab40369f1776 
>   core/src/test/scala/unit/kafka/admin/AdminTest.scala 252ac813c8df1780c2dc5fa9e698fb43bb6d5cf8 
>   core/src/test/scala/unit/kafka/admin/DeleteConsumerGroupTest.scala 1913ad6d3e6eb29a0c939c4f59f6b688c8c925fa 
>   core/src/test/scala/unit/kafka/admin/DeleteTopicTest.scala fa8ce259a2832ab86f9dda8c1d409b2c42d43ae9 
>   core/src/test/scala/unit/kafka/admin/TopicCommandTest.scala dcd69881445c29765f66a7d21d2d18437f4df428 
>   core/src/test/scala/unit/kafka/api/ApiUtilsTest.scala 255442526d94157b7a0b5a92e1d6a900aacb7536 
>   core/src/test/scala/unit/kafka/api/RequestResponseSerializationTest.scala 5717165f2344823fabe8f7cfafae4bb8af2d949a 
>   core/src/test/scala/unit/kafka/cluster/BrokerEndPointTest.scala abe511fc1458bfb5a93c152aed81a827cc24ce68 
>   core/src/test/scala/unit/kafka/common/ConfigTest.scala 0aca9385bff093b4cb52e42291c9c1d58d9600de 
>   core/src/test/scala/unit/kafka/common/TopicTest.scala 79532c89c41572ba953c4dc3319a05354927e961 
>   core/src/test/scala/unit/kafka/consumer/ConsumerIteratorTest.scala db5302ff02851f9f1a59419b1e071286bff0e142 
>   core/src/test/scala/unit/kafka/consumer/PartitionAssignorTest.scala adf08010597b7c6ed72eddf93962497c3209e10f 
>   core/src/test/scala/unit/kafka/consumer/TopicFilterTest.scala 4b326d090c9486c812afb2603e94d77a2459d04c 
>   core/src/test/scala/unit/kafka/consumer/ZookeeperConsumerConnectorTest.scala 359b0f5d14f82d14ee423cde271bb35b7034766d 
>   core/src/test/scala/unit/kafka/coordinator/ConsumerCoordinatorResponseTest.scala 87a5330e716b9cedc9544229e29f42be7150c8fb 
>   core/src/test/scala/unit/kafka/coordinator/ConsumerGroupMetadataTest.scala b69c993a3fa49f7f01dd28e13ce465c2a89eeba5 
>   core/src/test/scala/unit/kafka/coordinator/CoordinatorMetadataTest.scala 2cbf6e251adbfd3fb174d08138a13215c1914566 
>   core/src/test/scala/unit/kafka/coordinator/PartitionAssignorTest.scala 887cee5a582b5737ba838920399bb9b24bf22382 
>   core/src/test/scala/unit/kafka/integration/AutoOffsetResetTest.scala 139dc9a104c024e35fd9bc5ac9333e6bd208b571 
>   core/src/test/scala/unit/kafka/integration/FetcherTest.scala facebd8f81c67f26f41a96bce343227bc9b55893 
>   core/src/test/scala/unit/kafka/integration/KafkaServerTestHarness.scala 87c631573aa1e0275d6618c4ac3b33e76fa6abd3 
>   core/src/test/scala/unit/kafka/integration/MinIsrConfigTest.scala a2c97134d85c637256440b5eb42f594d50f0cfe4 
>   core/src/test/scala/unit/kafka/integration/PrimitiveApiTest.scala 6a758a7db71bdc4794b1e5f264f8ca6d410ff2ba 
>   core/src/test/scala/unit/kafka/integration/ProducerConsumerTestHarness.scala 4614a922e739098dbb0ff560d831e26045e32023 
>   core/src/test/scala/unit/kafka/integration/RollingBounceTest.scala 12d0733f5edf436315f884bc193da533d9d4a4ee 
>   core/src/test/scala/unit/kafka/integration/TopicMetadataTest.scala 5b6c9d60d29436036f8287da6bad332c1a3a6ec9 
>   core/src/test/scala/unit/kafka/integration/UncleanLeaderElectionTest.scala e4bf2df48dd59a251b646b7f96d63ec4b924fc0b 
>   core/src/test/scala/unit/kafka/javaapi/consumer/ZookeeperConsumerConnectorTest.scala 74c761dec7afc98667032bdec8359a9aa7c2ecc2 
>   core/src/test/scala/unit/kafka/javaapi/message/BaseMessageSetTestCases.scala 726399e3c7a4157223b5037ff2a03da51236e876 
>   core/src/test/scala/unit/kafka/javaapi/message/ByteBufferMessageSetTest.scala 383fcef02994fde07e669651e522b9e5ee239dd8 
>   core/src/test/scala/unit/kafka/log/CleanerTest.scala 0e2a6a1e8e6d0bc6bed90cdc5bd3cb8e490ed364 
>   core/src/test/scala/unit/kafka/log/FileMessageSetTest.scala 02cf66882f4065f3ab8449650b0bd1b0e7525d38 
>   core/src/test/scala/unit/kafka/log/LogCleanerIntegrationTest.scala 381e9aa6fe611887cd144b4731f9ac351d12bbf1 
>   core/src/test/scala/unit/kafka/log/LogConfigTest.scala 19dcb47f3f406b8d6c3668297450ab6b534e4471 
>   core/src/test/scala/unit/kafka/log/LogManagerTest.scala a13f2bef8ee8c3d42192c9a60df092023e4d2ff9 
>   core/src/test/scala/unit/kafka/log/LogSegmentTest.scala abcd1f07444c6ef1e42bb6db2d92e3aa84e1042e 
>   core/src/test/scala/unit/kafka/log/LogTest.scala 9e26190d99537b227e2119cb01040739b03cb74c 
>   core/src/test/scala/unit/kafka/log/OffsetIndexTest.scala 9213a5d9e95d0a5f3009b2cf50baa99765e4cfef 
>   core/src/test/scala/unit/kafka/log/OffsetMapTest.scala 12ce39e665afd4cb1d8aa8d7d4d7df18b219a141 
>   core/src/test/scala/unit/kafka/message/BaseMessageSetTestCases.scala dd8847f5f709a0a7b2e7037d5beda9a0dfc054d6 
>   core/src/test/scala/unit/kafka/message/ByteBufferMessageSetTest.scala 07bc317bcd40cf40fbff1cbd5039672508f293d9 
>   core/src/test/scala/unit/kafka/message/MessageCompressionTest.scala 76987d4fa68fd39cf0ce6bc47b05eb32b17bbedb 
>   core/src/test/scala/unit/kafka/message/MessageTest.scala 11c0f817ca06e4a53bce1009ad6a36aa007cf93a 
>   core/src/test/scala/unit/kafka/message/MessageWriterTest.scala b08a3432ad1ae49372e4b6cea9b247f6be2889da 
>   core/src/test/scala/unit/kafka/metrics/KafkaTimerTest.scala 7df74050f99567395d4d01c1600ca77cd917652e 
>   core/src/test/scala/unit/kafka/metrics/MetricsTest.scala b42101b85fa4aa6a2249e7b04ec0f61e51c81c3f 
>   core/src/test/scala/unit/kafka/network/SocketServerTest.scala 7dc2fad542ea553ee888543dd215eb41ea57d509 
>   core/src/test/scala/unit/kafka/producer/AsyncProducerTest.scala be4bb878dc49f05caf55b36e9218ed19b1c56253 
>   core/src/test/scala/unit/kafka/producer/ProducerTest.scala 4d2536b462c030f4f269bad024847839e63337c2 
>   core/src/test/scala/unit/kafka/producer/SyncProducerTest.scala 8c3fb7a393db019a29b284b26670f63c25d6a4c6 
>   core/src/test/scala/unit/kafka/server/AdvertiseBrokerTest.scala e899b023b3153542f481b82e92b258e4595b23dc 
>   core/src/test/scala/unit/kafka/server/DelayedOperationTest.scala f3ab3f4ff8eb1aa6b2ab87ba75f72eceb6649620 
>   core/src/test/scala/unit/kafka/server/DynamicConfigChangeTest.scala 8a871cfaf6a534acd1def06a5ac95b5c985b024c 
>   core/src/test/scala/unit/kafka/server/HighwatermarkPersistenceTest.scala 60cd8249e6ec03349e20bb0a7226ea9cd66e6b17 
>   core/src/test/scala/unit/kafka/server/ISRExpirationTest.scala 90529faf11dca65c3ef6bcb27ad72557bc36f939 
>   core/src/test/scala/unit/kafka/server/KafkaConfigConfigDefTest.scala 98a5b042a710d3c1064b0379db1d152efc9eabee 
>   core/src/test/scala/unit/kafka/server/KafkaConfigTest.scala d3544526b66ce1f146f6986401299da9ebe49cd4 
>   core/src/test/scala/unit/kafka/server/LeaderElectionTest.scala f1977d850a5bf1125260949101fa3485b29bd4e6 
>   core/src/test/scala/unit/kafka/server/LogOffsetTest.scala e57c1dec2dee4b9a64ffe5906d12676fd877319b 
>   core/src/test/scala/unit/kafka/server/LogRecoveryTest.scala 7688f26fe42c4481fe2da7a1d50459805be0ebc1 
>   core/src/test/scala/unit/kafka/server/OffsetCommitTest.scala 39a68526c8b8569e5ed10d61cbba804c9444e252 
>   core/src/test/scala/unit/kafka/server/ReplicaFetchTest.scala a3a03db88c4c3b2949c4ff7f26f2f00498884b18 
>   core/src/test/scala/unit/kafka/server/ReplicaManagerTest.scala 00d59337a99ac135e8689bd1ecd928f7b1423d79 
>   core/src/test/scala/unit/kafka/server/ServerGenerateBrokerIdTest.scala 12269cde06aab953dcd898821a8afaa5c4290e77 
>   core/src/test/scala/unit/kafka/server/ServerShutdownTest.scala 95534e36c29023565fedf6bf0fe537ef270c2420 
>   core/src/test/scala/unit/kafka/server/ServerStartupTest.scala 60e10b3d5adda152a01425d98d45ca373a63bebd 
>   core/src/test/scala/unit/kafka/server/SimpleFetchTest.scala 09a0961f73969aca3b054ed3ff6b181a6500364a 
>   core/src/test/scala/unit/kafka/utils/ByteBoundedBlockingQueueTest.scala fd8cf7bf04c5f8e6166f1e3dd5ab369b478c02ee 
>   core/src/test/scala/unit/kafka/utils/CommandLineUtilsTest.scala 6380b6e623e7a6fcaf7b44473291075a0aa010a8 
>   core/src/test/scala/unit/kafka/utils/IteratorTemplateTest.scala fbd245cad0afab146354fdcc76193d784e1997d9 
>   core/src/test/scala/unit/kafka/utils/JsonTest.scala 93550e8f24071f88eb1ea5b41373efee27e4b8b7 
>   core/src/test/scala/unit/kafka/utils/ReplicationUtilsTest.scala b9de8d677a46e1bf37ae0bd4ca0f8b1bfac8d437 
>   core/src/test/scala/unit/kafka/utils/SchedulerTest.scala cfea63b88e2590cbd7a1e7cb2c8cacf054bd5568 
>   core/src/test/scala/unit/kafka/utils/TestUtils.scala 17e9fe4c159a29033fe9a287db6ced2fdc3fa9d1 
>   core/src/test/scala/unit/kafka/utils/timer/TimerTaskListTest.scala 052aecdc32ae14afe6aabf942ed7c0028ed9f979 
>   core/src/test/scala/unit/kafka/utils/timer/TimerTest.scala 8507592d1f374248cc7f56ef786544562ca8ad9c 
>   core/src/test/scala/unit/kafka/zk/ZKEphemeralTest.scala 2be161985657293e83a3fd4d3d15faa30e9a119e 
>   core/src/test/scala/unit/kafka/zk/ZKPathTest.scala d3e44c62e272b01edd51553270e7d667e55f6e44 
>   core/src/test/scala/unit/kafka/zk/ZooKeeperTestHarness.scala 1f4d10d25ab3b907689ead7701d2c868ba703952 
> 
> Diff: https://reviews.apache.org/r/35615/diff/
> 
> 
> Testing
> -------
> 
> 
> Thanks,
> 
> Alexander Pakulov
> 
>