/** Test conversion of LocatedBlock to BlockLocation */
@Test
public void testLocatedBlocks2Locations() {
DatanodeInfo d = DFSTestUtil.getLocalDatanodeInfo();
DatanodeInfo[] ds = new DatanodeInfo[1];
ds[0] = d;
// ok
ExtendedBlock b1 = new ExtendedBlock("bpid", 1, 1, 1);
LocatedBlock l1 = new LocatedBlock(b1, ds, 0, false);
// corrupt
ExtendedBlock b2 = new ExtendedBlock("bpid", 2, 1, 1);
LocatedBlock l2 = new LocatedBlock(b2, ds, 0, true);
List<LocatedBlock> ls = Arrays.asList(l1, l2);
LocatedBlocks lbs = new LocatedBlocks(10, false, ls, l2, true);
BlockLocation[] bs = DFSUtil.locatedBlocks2Locations(lbs);
assertTrue("expected 2 blocks but got " + bs.length, bs.length == 2);
int corruptCount = 0;
for (BlockLocation b : bs) {
if (b.isCorrupt()) {
corruptCount++;
}
}
assertTrue("expected 1 corrupt files but got " + corruptCount, corruptCount == 1);
// test an empty location
bs = DFSUtil.locatedBlocks2Locations(new LocatedBlocks());
assertEquals(0, bs.length);
}
