zentol commented on code in PR #22422:
URL: https://github.com/apache/flink/pull/22422#discussion_r1175054869
##########
flink-runtime/src/test/java/org/apache/flink/runtime/leaderelection/DefaultLeaderElectionServiceTest.java:
##########
@@ -130,22 +137,101 @@ void testLeaderInformationChangedAndShouldBeCorrected()
throws Exception {
}
@Test
- void testHasLeadership() throws Exception {
+ void testHasLeadershipWithLeadershipButNoGrantEventProcessed() throws
Exception {
new Context() {
{
- runTest(
- () -> {
- testingLeaderElectionDriver.isLeader();
- final UUID currentLeaderSessionId =
- leaderElectionService.getLeaderSessionID();
- assertThat(currentLeaderSessionId).isNotNull();
-
assertThat(leaderElectionService.hasLeadership(currentLeaderSessionId))
+ runTestWithManuallyTriggeredEvents(
+ executorService -> {
+ final UUID expectedSessionID = UUID.randomUUID();
+
+
testingLeaderElectionDriver.isLeader(expectedSessionID);
+
+
assertThat(leaderElectionService.hasLeadership(expectedSessionID))
+ .isFalse();
+
assertThat(leaderElectionService.hasLeadership(UUID.randomUUID()))
+ .isFalse();
+ });
+ }
+ };
+ }
+
+ @Test
+ void testHasLeadershipWithLeadershipAndGrantEventProcessed() throws
Exception {
+ new Context() {
+ {
+ runTestWithManuallyTriggeredEvents(
+ executorService -> {
+ final UUID expectedSessionID = UUID.randomUUID();
+
+
testingLeaderElectionDriver.isLeader(expectedSessionID);
+ executorService.trigger();
+
+
assertThat(leaderElectionService.hasLeadership(expectedSessionID))
.isTrue();
assertThat(leaderElectionService.hasLeadership(UUID.randomUUID()))
.isFalse();
+ });
+ }
+ };
+ }
+
+ @Test
+ void testHasLeadershipWithLeadershipLostButNoRevokeEventProcessed() throws
Exception {
+ new Context() {
+ {
+ runTestWithManuallyTriggeredEvents(
+ executorService -> {
+ final UUID expectedSessionID = UUID.randomUUID();
+
+
testingLeaderElectionDriver.isLeader(expectedSessionID);
+ executorService.trigger();
+ testingLeaderElectionDriver.notLeader();
+
+
assertThat(leaderElectionService.hasLeadership(expectedSessionID))
+ .isFalse();
Review Comment:
That makes sense; a comment would be useful.
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