[GitHub] [kafka] akhileshchg commented on a diff in pull request #12108: KAFKA-13862: Support Append/Subtract multiple config values in KRaft mode

[GitBox <gi...@apache.org>]

akhileshchg commented on code in PR #12108:
URL: https://github.com/apache/kafka/pull/12108#discussion_r865146433


##########
core/src/test/scala/integration/kafka/api/PlaintextAdminIntegrationTest.scala:
##########
@@ -1751,13 +1777,32 @@ class PlaintextAdminIntegrationTest extends BaseAdminIntegrationTest {
       new AlterConfigOp(new ConfigEntry(LogConfig.CleanupPolicyProp, LogConfig.Compact + "," + LogConfig.Delete), AlterConfigOp.OpType.SUBTRACT)
     ).asJavaCollection
 
-    alterResult = client.incrementalAlterConfigs(Map(
+    alterConfigs = Map(
       topic1Resource -> topic1AlterConfigs,
       topic2Resource -> topic2AlterConfigs
-    ).asJava)
+    )
+    alterResult = client.incrementalAlterConfigs(alterConfigs.asJava)
     assertEquals(Set(topic1Resource, topic2Resource).asJava, alterResult.values.keySet)
     alterResult.all.get
 
+    if (isKRaftTest()) {

Review Comment:
   I think this can be a util function:
   ```
   TestUtils.waitForMetadataPropagation(brokers, condition: KRaftMetadataCache => Boolean): Unit = {
     assertTrue(isKRaftTest())
     TestUtils.waitUntilTrue(() => {
       brokers.forall { broker => condition(broker.metadataCache.asInstanceOf[KRaftMetadataCache])
     }, "Metadata is not propgated to all brokers")
   }
   ```
   
   and we can call it as:
   ```
   TestUtils.waitForMetadataPropagation(brokers, metadataCache => {
     // validation logic.
   })
   ```



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