@SuppressWarnings("unchecked")
public void testAppendUpdatesLeaderAndTerm() throws Throwable {
runOnServer(
() -> {
serverContext.setTerm(1);
AppendRequest request =
AppendRequest.builder()
.withTerm(2)
.withLeader(members.get(1).hashCode())
.withEntries(Collections.EMPTY_LIST)
.withLogIndex(0)
.withLogTerm(0)
.withCommitIndex(0)
.withGlobalIndex(0)
.build();
AppendResponse response = state.append(request).get();
threadAssertEquals(serverContext.getTerm(), 2L);
threadAssertEquals(
serverContext.getLeader().serverAddress(), members.get(1).serverAddress());
threadAssertEquals(serverContext.getLastVotedFor(), 0);
threadAssertEquals(response.term(), 2L);
threadAssertTrue(response.succeeded());
});
}
/** Tests a membership group. */
private void testMembershipGroup(
Atomix client1, Atomix client2, Function<Atomix, DistributedMembershipGroup> factory)
throws Throwable {
DistributedMembershipGroup group1 = factory.apply(client1);
DistributedMembershipGroup group2 = factory.apply(client2);
LocalGroupMember localMember = group2.join().get();
assertEquals(group2.members().size(), 1);
group1
.join()
.thenRun(
() -> {
threadAssertEquals(group1.members().size(), 2);
threadAssertEquals(group2.members().size(), 2);
resume();
});
await(5000);
group1.onLeave(member -> resume());
localMember.leave().thenRun(this::resume);
await(5000, 2);
}