Github user anmolnar commented on a diff in the pull request: https://github.com/apache/zookeeper/pull/433#discussion_r157001258 --- Diff: src/java/test/org/apache/zookeeper/server/quorum/QuorumPeerMainTest.java --- @@ -335,6 +336,100 @@ public void testHighestZxidJoinLate() throws Exception { output[0], 2); } + /** + * This test validates that if a quorum member determines that it is leader without the support of the rest of the + * quorum (the other members do not believe it to be the leader) it will stop attempting to lead and become a follower. + * + * @throws IOException + * @throws InterruptedException + */ + @Test + public void testElectionFraud() throws IOException, InterruptedException { + // capture QuorumPeer logging + Layout layout = Logger.getRootLogger().getAppender("CONSOLE").getLayout(); + ByteArrayOutputStream os = new ByteArrayOutputStream(); + WriterAppender appender = new WriterAppender(layout, os); + appender.setThreshold(Level.INFO); + Logger qlogger = Logger.getLogger(QuorumPeer.class); + qlogger.addAppender(appender); + + int numServers = 3; --- End diff -- Please use the global field.
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