import Ġcom . sales force . kafka . test . junit 5 . Shared Kafka Test Resource Ċ import Ġorg . apache . kafka . clients . Common Client Configs Ċ import Ġorg . apache . kafka . clients . consumer . Consumer Config Ċ import Ġorg . apache . kafka . clients . producer . Producer Record Ċ import Ġorg . apache . kafka . clients . producer . Record Metadata Ċ import Ġorg . apache . kafka . common . serialization . String Serializer Ċ import Ġorg . junit . jupiter . api . Assertions . assertEquals Ċ import Ġorg . junit . jupiter . api . Before All Ċ import Ġorg . junit . jupiter . api . Test Ċ import Ġorg . junit . jupiter . api . extension . Register Extension Ċ import Ġjava . util .* Ċ Ċ class ĠRecord Service Test Ġ{ ĊĊ ĉ comp anion Ġobject Ġ{ Ċĉ ĉ @ Jvm Field Ċĉ ĉ @ Register Extension Ċĉ ĉ val Ġkafka Ġ= ĠShared Kafka Test Resource () Ċĉ ĉ var Ġproduced Records Ġ: ĠList < Record Metadata > Ġ= Ġempty List () ĊĊĉ ĉ val Ġrecord Service : ĠRecord Service Ġby Ġlazy Ġ{ Ċĉĉ ĉ val Ġproperties Ġ= ĠProperties () Ċĉĉ ĉ properties . setProperty ( Common Client Configs . BOOT STR AP _ SERVER S _ CONFIG , Ġkafka . kafka Connect String ) Ċĉĉ ĉ Record Service ( properties ) Ċĉ ĉ } ĊĊĉ ĉ const Ġval ĠTOP IC Ġ= Ġ" test 1 " ĊĊĉ ĉ @ Jvm Static Ċĉ ĉ @ Before All Ċĉ ĉ fun Ġcreate Records () Ġ{ Ċĉĉ ĉ kafka . kafka TestUtils . create Topic ( TOPIC , Ġ 2 , Ġ 1 ) Ċĉĉ ĉ pro duced Records Ġ= Ċĉĉĉ ĉ kafka . kafka TestUtils . get Kafka Producer ( String Serializer :: class . java , ĠString Serializer :: class . java ) Ċĉĉĉĉ ĉ . use Ġ{ Ġproducer Ġ-> Ċĉĉĉĉĉ ĉ val Ġfutures Ġ= Ġ( 0 .. 1 0 ). map Ġ{ Ġi Ġ-> Ċĉĉĉĉĉĉ ĉ val Ġr Ġ= Ġproducer . send ( Producer Record ( TOPIC , Ġ" Key Ġ$ i ", Ġ" Message Ġ$ i ")) Ċĉĉĉĉĉĉ ĉ Thread . sleep ( 1 0 0 ) Ċĉĉĉĉĉĉ ĉ r Ċĉĉĉĉĉ ĉ } Ċĉĉĉĉĉ ĉ producer . flush () Ċĉĉĉĉĉ ĉ futures . map Ġ{ Ġit . get () Ġ} Ċĉĉĉĉ ĉ } Ċĉ ĉ } Ċ ĉ } ĊĊ ĉ @ Test Ċ ĉ fun Ġget Records When All () Ġ{ Ċĉ ĉ val Ġrecords Ġ= Ġrecord Service . get Records ( TOPIC , Ġnull , Ġnull ) ĊĊĉ ĉ assertEquals ( pro duced Records . size , Ġrecords . size ) Ċ ĉ } ĊĊ ĉ @ Test Ċ ĉ fun Ġget Records When Begin Offset () Ġ{ Ċĉ ĉ val Ġrecords Ġ= Ġrecord Service . get Records ( TOPIC , Ġ 5 , Ġnull ) ĊĊĉ ĉ val Ġexpected Records Ġ= Ġproduced Records . filter Ġ{ Ġit . offset () Ġ>= 5 Ġ} Ċĉ ĉ assertEquals ( expected Records . size , Ġrecords . size ) Ċ ĉ } ĊĊ ĉ @ Test Ċ ĉ fun Ġget Records When Begin Timestamp () Ġ{ Ċĉ ĉ val Ġbegin Offset Ġ= Ġproduced Records [ 5 ]. offset () Ċĉ ĉ val Ġrecords Ġ= Ġrecord Service . get Records ( TOPIC , Ġnull , Ġbegin Offset ) ĊĊĉ ĉ val Ġexpected Records Ġ= Ġproduced Records . filter Ġ{ Ġit . timestamp () Ġ>= begin Offset Ġ} Ċĉ ĉ assertEquals ( expected Records . size , Ġrecords . size ) Ċ ĉ } Ċ } Ċ