morozov commented on code in PR #3794:
URL: https://github.com/apache/flink-cdc/pull/3794#discussion_r1881205315
##########
flink-cdc-connect/flink-cdc-source-connectors/flink-connector-mysql-cdc/src/test/java/org/apache/flink/cdc/connectors/mysql/source/assigners/state/PendingSplitsStateSerializerTest.java:
##########
@@ -102,6 +104,22 @@ public void testRepeatedSerializationCache() throws
Exception {
assertSame(ser1, ser3);
}
+ @Test
+ public void testOutputIsFinallyCleared() throws Exception {
+ final PendingSplitsStateSerializer serializer =
+ new
PendingSplitsStateSerializer(MySqlSplitSerializer.INSTANCE);
+
+ final byte[] ser1 = serializer.serialize(state);
+ state.serializedFormCache = null;
+
+ PendingSplitsState unsupportedState = new
UnsupportedPendingSplitsState();
+
+ assertThrows(IOException.class, () ->
serializer.serialize(unsupportedState));
+
+ final byte[] ser2 = serializer.serialize(state);
+ assertEquals(ser1.length, ser2.length);
Review Comment:
For some reason, they aren't the same regardless of the fix.
UPD: you're right. They are equal, they just need to be compared as arrays,
not objects.
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