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HBASE-4052 Use same TestMasterRestartAfterDisablingTable in branch and TRUNK 

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1147357 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Zhihong Yu 2011-07-16 02:30:56 +00:00
parent 72c89e6f3c
commit 3b0a7528c9
1 changed files with 13 additions and 68 deletions
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81
src/test/java/org/apache/hadoop/hbase/master/TestMasterRestartAfterDisablingTable.java
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@ -20,12 +20,10 @@
package org.apache.hadoop.hbase.master;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;
import java.io.IOException;
import java.util.List;
import java.util.NavigableSet;
import java.util.Set;
import java.util.TreeSet;
import org.apache.commons.logging.Log;
@ -35,9 +33,7 @@ import org.apache.hadoop.hbase.HBaseConfiguration;
import org.apache.hadoop.hbase.HBaseTestingUtility;
import org.apache.hadoop.hbase.HRegionInfo;
import org.apache.hadoop.hbase.MiniHBaseCluster;
import org.apache.hadoop.hbase.NotServingRegionException;
import org.apache.hadoop.hbase.client.HTable;
import org.apache.hadoop.hbase.client.Scan;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.util.JVMClusterUtil.MasterThread;
import org.apache.hadoop.hbase.util.JVMClusterUtil.RegionServerThread;
@ -48,7 +44,7 @@ import org.junit.Test;
public class TestMasterRestartAfterDisablingTable {
private static final Log LOG = LogFactory.getLog(TestRollingRestart.class);
private static final Log LOG = LogFactory.getLog(TestMasterRestartAfterDisablingTable.class);
@Test
public void testForCheckingIfEnableAndDisableWorksFineAfterSwitch()
@ -57,8 +53,6 @@ public class TestMasterRestartAfterDisablingTable {
final int NUM_RS = 1;
final int NUM_REGIONS_TO_CREATE = 4;
int expectedNumRS = 1;
// Start the cluster
log("Starting cluster");
Configuration conf = HBaseConfiguration.create();
@ -69,8 +63,7 @@ public class TestMasterRestartAfterDisablingTable {
MiniHBaseCluster cluster = TEST_UTIL.getHBaseCluster();
log("Waiting for active/ready master");
cluster.waitForActiveAndReadyMaster();
ZooKeeperWatcher zkw = new ZooKeeperWatcher(conf, "testmasterRestart",
null);
ZooKeeperWatcher zkw = new ZooKeeperWatcher(conf, "testmasterRestart", null);
HMaster master = cluster.getMaster();
// Create a table with regions
@ -85,11 +78,12 @@ public class TestMasterRestartAfterDisablingTable {
blockUntilNoRIT(zkw, master);
log("Disabling table\n");
TEST_UTIL.getHBaseAdmin().disableTable(table);
NavigableSet<String> regions = getAllOnlineRegions(cluster);
assertEquals("The number of regions for the table tableRestart should be 0 and only" +
"the catalog tables should be present.", 2, regions.size());
assertEquals(
"The number of regions for the table tableRestart should be 0 and only"
+ "the catalog tables should be present.", 2, regions.size());
List<MasterThread> masterThreads = cluster.getMasterThreads();
MasterThread activeMaster = null;
if (masterThreads.get(0).getMaster().isActiveMaster()) {
@ -100,22 +94,17 @@ public class TestMasterRestartAfterDisablingTable {
activeMaster.getMaster().stop(
"stopping the active master so that the backup can become active");
cluster.hbaseCluster.waitOnMaster(activeMaster);
cluster.waitForActiveAndReadyMaster();
log("Enabling table\n");
TEST_UTIL.getHBaseAdmin().enableTable(table);
log("Waiting for no more RIT\n");
blockUntilNoRIT(zkw, master);
log("Verifying there are " + numRegions + " assigned on cluster\n");
try {
Scan s = new Scan();
ht.getScanner(s);
} catch (NotServingRegionException e) {
fail("NotServingRegionException should not be thrown after enabling the table. Hence failing"
+ "the test case");
}
regions = getAllOnlineRegions(cluster);
assertRegionsAssigned(cluster, regions);
assertEquals("All the regions are not onlined.",expectedNumRS, cluster.getRegionServerThreads().size());
assertEquals(
"The assigned regions were not onlined after master switch except for the catalog tables.",
6, regions.size());
}
private void log(String msg) {
@ -128,52 +117,8 @@ public class TestMasterRestartAfterDisablingTable {
master.assignmentManager.waitUntilNoRegionsInTransition(60000);
}
private void assertRegionsAssigned(MiniHBaseCluster cluster,
Set<String> expectedRegions) throws IOException {
int numFound = 0;
for (RegionServerThread rst : cluster.getLiveRegionServerThreads()) {
numFound += rst.getRegionServer().getNumberOfOnlineRegions();
}
if (expectedRegions.size() > numFound) {
log("Expected to find " + expectedRegions.size() + " but only found"
+ " " + numFound);
NavigableSet<String> foundRegions = getAllOnlineRegions(cluster);
for (String region : expectedRegions) {
if (!foundRegions.contains(region)) {
log("Missing region: " + region);
}
}
assertEquals(expectedRegions.size(), numFound);
} else if (expectedRegions.size() < numFound) {
int doubled = numFound - expectedRegions.size();
log("Expected to find " + expectedRegions.size() + " but found" + " "
+ numFound + " (" + doubled + " double assignments?)");
NavigableSet<String> doubleRegions = getDoubleAssignedRegions(cluster);
for (String region : doubleRegions) {
log("Region is double assigned: " + region);
}
assertEquals(expectedRegions.size(), numFound);
} else {
log("Success! Found expected number of " + numFound + " regions");
}
}
private NavigableSet<String> getDoubleAssignedRegions(MiniHBaseCluster cluster)
throws IOException {
NavigableSet<String> online = new TreeSet<String>();
NavigableSet<String> doubled = new TreeSet<String>();
for (RegionServerThread rst : cluster.getLiveRegionServerThreads()) {
for (HRegionInfo region : rst.getRegionServer().getOnlineRegions()) {
if (!online.add(region.getRegionNameAsString())) {
doubled.add(region.getRegionNameAsString());
}
}
}
return doubled;
}
private NavigableSet<String> getAllOnlineRegions(MiniHBaseCluster cluster)
throws IOException {
throws IOException {
NavigableSet<String> online = new TreeSet<String>();
for (RegionServerThread rst : cluster.getLiveRegionServerThreads()) {
for (HRegionInfo region : rst.getRegionServer().getOnlineRegions()) {