@Test(timeout = 30000)
public void testInfo() {
HMaster master = TEST_UTIL.getHBaseCluster().getMaster();
MetricsMasterWrapperImpl info = new MetricsMasterWrapperImpl(master);
assertEquals(master.getSplitPlanCount(), info.getSplitPlanCount(), 0);
assertEquals(master.getMergePlanCount(), info.getMergePlanCount(), 0);
assertEquals(master.getAverageLoad(), info.getAverageLoad(), 0);
assertEquals(master.getClusterId(), info.getClusterId());
assertEquals(master.getMasterActiveTime(), info.getActiveTime());
assertEquals(master.getMasterStartTime(), info.getStartTime());
assertEquals(master.getMasterCoprocessors().length, info.getCoprocessors().length);
assertEquals(
master.getServerManager().getOnlineServersList().size(), info.getNumRegionServers());
assertEquals(5, info.getNumRegionServers());
String zkServers = info.getZookeeperQuorum();
assertEquals(zkServers.split(",").length, TEST_UTIL.getZkCluster().getZooKeeperServerNum());
final int index = 3;
LOG.info("Stopping " + TEST_UTIL.getMiniHBaseCluster().getRegionServer(index));
TEST_UTIL.getMiniHBaseCluster().stopRegionServer(index, false);
TEST_UTIL.getMiniHBaseCluster().waitOnRegionServer(index);
// We stopped the regionserver but could take a while for the master to notice it so hang here
// until it does... then move forward to see if metrics wrapper notices.
while (TEST_UTIL.getHBaseCluster().getMaster().getServerManager().getOnlineServers().size()
!= 4) {
Threads.sleep(10);
}
assertEquals(4, info.getNumRegionServers());
assertEquals(1, info.getNumDeadRegionServers());
assertEquals(1, info.getNumWALFiles());
}