private void validateNumberReplicas(int expectedReplicas) throws IOException {
NumberReplicas numberReplicas = blockManager.countNodes(block);
assertThat(numberReplicas.liveReplicas(), is(expectedReplicas));
assertThat(numberReplicas.excessReplicas(), is(0));
assertThat(numberReplicas.corruptReplicas(), is(0));
assertThat(numberReplicas.decommissionedReplicas(), is(0));
assertThat(numberReplicas.replicasOnStaleNodes(), is(0));
BlockManagerTestUtil.updateState(blockManager);
assertThat(blockManager.getUnderReplicatedBlocksCount(), is(0L));
assertThat(blockManager.getExcessBlocksCount(), is(0L));
}
/**
* Verify that corrupt <tt>READ_ONLY_SHARED</tt> replicas aren't counted towards the corrupt
* replicas total.
*/
@Test
public void testReadOnlyReplicaCorrupt() throws Exception {
// "Corrupt" a READ_ONLY_SHARED replica by reporting it as a bad replica
client.reportBadBlocks(
new LocatedBlock[] {
new LocatedBlock(extendedBlock, new DatanodeInfo[] {readOnlyDataNode})
});
// There should now be only 1 *location* for the block as the READ_ONLY_SHARED is corrupt
waitForLocations(1);
// However, the corrupt READ_ONLY_SHARED replica should *not* affect the overall corrupt
// replicas count
NumberReplicas numberReplicas = blockManager.countNodes(block);
assertThat(numberReplicas.corruptReplicas(), is(0));
}