use of org.apache.hadoop.hdfs.server.namenode.ha.HAState in project hadoop by apache.
the class TestFSNamesystem method testReplQueuesActiveAfterStartupSafemode.
@Test
public void testReplQueuesActiveAfterStartupSafemode() throws IOException, InterruptedException {
Configuration conf = new Configuration();
FSEditLog fsEditLog = Mockito.mock(FSEditLog.class);
FSImage fsImage = Mockito.mock(FSImage.class);
Mockito.when(fsImage.getEditLog()).thenReturn(fsEditLog);
FSNamesystem fsNamesystem = new FSNamesystem(conf, fsImage);
FSNamesystem fsn = Mockito.spy(fsNamesystem);
BlockManager bm = fsn.getBlockManager();
Whitebox.setInternalState(bm, "namesystem", fsn);
//Make shouldPopulaeReplQueues return true
HAContext haContext = Mockito.mock(HAContext.class);
HAState haState = Mockito.mock(HAState.class);
Mockito.when(haContext.getState()).thenReturn(haState);
Mockito.when(haState.shouldPopulateReplQueues()).thenReturn(true);
Mockito.when(fsn.getHAContext()).thenReturn(haContext);
//Make NameNode.getNameNodeMetrics() not return null
NameNode.initMetrics(conf, NamenodeRole.NAMENODE);
fsn.enterSafeMode(false);
assertTrue("FSNamesystem didn't enter safemode", fsn.isInSafeMode());
assertTrue("Replication queues were being populated during very first " + "safemode", !bm.isPopulatingReplQueues());
fsn.leaveSafeMode(false);
assertTrue("FSNamesystem didn't leave safemode", !fsn.isInSafeMode());
assertTrue("Replication queues weren't being populated even after leaving " + "safemode", bm.isPopulatingReplQueues());
fsn.enterSafeMode(false);
assertTrue("FSNamesystem didn't enter safemode", fsn.isInSafeMode());
assertTrue("Replication queues weren't being populated after entering " + "safemode 2nd time", bm.isPopulatingReplQueues());
}
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