sashapolo commented on code in PR #853:
URL: https://github.com/apache/ignite-3/pull/853#discussion_r889170943
##########
modules/cluster-management/src/integrationTest/java/org/apache/ignite/internal/cluster/management/raft/ItCmgRaftServiceTest.java:
##########
@@ -471,4 +468,31 @@ void testClusterStateValidation() {
)
);
}
+
+ /**
+ * Tests that {@link JoinRequestCommand} and {@link JoinReadyCommand} are
idempotent.
+ */
+ @Test
+ void testJoinCommandsIdempotence() {
+ ClusterState state = new ClusterState(
+ List.of("foo"),
+ List.of("bar"),
+ IgniteProductVersion.CURRENT_VERSION,
+ new ClusterTag("cluster")
+ );
+
+ assertThat(cluster.get(0).raftService.initClusterState(state),
willCompleteSuccessfully());
+
+ CmgRaftService service = cluster.get(1).raftService;
+
+ assertThat(service.startJoinCluster(state.clusterTag()),
willCompleteSuccessfully());
+
+ assertThat(service.startJoinCluster(state.clusterTag()),
willCompleteSuccessfully());
+
+ assertThat(service.completeJoinCluster(), willCompleteSuccessfully());
+
+ assertThat(service.completeJoinCluster(), willCompleteSuccessfully());
+
+ assertThat(service.completeJoinCluster(), willCompleteSuccessfully());
+ }
Review Comment:
I don't know, it shouldn't happen in a normal case scenario...
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