C0urante commented on code in PR #13426:
URL: https://github.com/apache/kafka/pull/13426#discussion_r1146367160


##########
connect/runtime/src/test/java/org/apache/kafka/connect/storage/KafkaConfigBackingStoreTest.java:
##########
@@ -889,6 +890,51 @@ public void testBackgroundUpdateTargetState() throws 
Exception {
         PowerMock.verifyAll();
     }
 
+    @Test
+    public void testSameTargetState() throws Exception {
+        // verify that we handle target state changes correctly when they come 
up through the log
+
+        expectConfigure();
+        List<ConsumerRecord<String, byte[]>> existingRecords = Arrays.asList(
+            new ConsumerRecord<>(TOPIC, 0, 0, 0L, TimestampType.CREATE_TIME, 
0, 0, CONNECTOR_CONFIG_KEYS.get(0),
+                CONFIGS_SERIALIZED.get(0), new RecordHeaders(), 
Optional.empty()),
+            new ConsumerRecord<>(TOPIC, 0, 1, 0L, TimestampType.CREATE_TIME, 
0, 0, TASK_CONFIG_KEYS.get(0),
+                CONFIGS_SERIALIZED.get(1), new RecordHeaders(), 
Optional.empty()),
+            new ConsumerRecord<>(TOPIC, 0, 2, 0L, TimestampType.CREATE_TIME, 
0, 0, TASK_CONFIG_KEYS.get(1),
+                CONFIGS_SERIALIZED.get(2), new RecordHeaders(), 
Optional.empty()),
+            new ConsumerRecord<>(TOPIC, 0, 3, 0L, TimestampType.CREATE_TIME, 
0, 0, COMMIT_TASKS_CONFIG_KEYS.get(0),
+                CONFIGS_SERIALIZED.get(3), new RecordHeaders(), 
Optional.empty()));
+        LinkedHashMap<byte[], Struct> deserialized = new LinkedHashMap<>();
+        deserialized.put(CONFIGS_SERIALIZED.get(0), 
CONNECTOR_CONFIG_STRUCTS.get(0));
+        deserialized.put(CONFIGS_SERIALIZED.get(1), 
TASK_CONFIG_STRUCTS.get(0));
+        deserialized.put(CONFIGS_SERIALIZED.get(2), 
TASK_CONFIG_STRUCTS.get(0));
+        deserialized.put(CONFIGS_SERIALIZED.get(3), 
TASKS_COMMIT_STRUCT_TWO_TASK_CONNECTOR);
+        logOffset = 5;
+
+        expectStart(existingRecords, deserialized);
+
+        // on resume update listener isn't called

Review Comment:
   Yeah, that works 👍



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