rkhachatryan commented on code in PR #20313:
URL: https://github.com/apache/flink/pull/20313#discussion_r927001242
##########
flink-runtime/src/test/java/org/apache/flink/runtime/state/SharedStateRegistryTest.java:
##########
@@ -182,20 +194,113 @@ public void testRegisterChangelogStateBackendHandles()
throws InterruptedExcepti
}
@Test
- public void testUnregisterUnusedState() {
+ public void testUnregisterUnusedSavepointState() {
SharedStateRegistry sharedStateRegistry = new
SharedStateRegistryImpl();
TestingStreamStateHandle handle = new TestingStreamStateHandle();
- sharedStateRegistry.registerReference(new
SharedStateRegistryKey("first"), handle, 1L);
- sharedStateRegistry.registerReference(new
SharedStateRegistryKey("first"), handle, 2L);
- sharedStateRegistry.registerReference(new
SharedStateRegistryKey("first"), handle, 3L);
+
+ registerInitialCheckpoint(
+ sharedStateRegistry,
+ RESTORED_STATE_ID,
+ CheckpointProperties.forSavepoint(false,
SavepointFormatType.NATIVE));
+
+ sharedStateRegistry.registerReference(
+ new SharedStateRegistryKey(RESTORED_STATE_ID), handle, 2L);
+ sharedStateRegistry.registerReference(
+ new SharedStateRegistryKey(RESTORED_STATE_ID), handle, 3L);
+ sharedStateRegistry.registerReference(
+ new SharedStateRegistryKey("new-state"), new
TestingStreamStateHandle(), 4L);
+
+ assertEquals(
+ "Only the initial checkpoint should be retained because its
state is in use",
+ singleton(1L),
+ sharedStateRegistry.unregisterUnusedState(3));
+ assertTrue(
+ "The initial checkpoint state is unused so it could be
discarded",
+ sharedStateRegistry.unregisterUnusedState(4).isEmpty());
Review Comment:
Right, added `testUnregisterNonInitialCheckpoint` test.
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