@Test
public void createTableTest() throws IOException, InterruptedException {
String testName = "createTableTest";
String nsName = prefix + "_" + testName;
LOG.info(testName);
HTableDescriptor desc = new HTableDescriptor(TableName.valueOf(nsName + ":my_table"));
HColumnDescriptor colDesc = new HColumnDescriptor("my_cf");
desc.addFamily(colDesc);
try {
admin.createTable(desc);
fail("Expected no namespace exists exception");
} catch (NamespaceNotFoundException ex) {
}
// create table and in new namespace
admin.createNamespace(NamespaceDescriptor.create(nsName).build());
admin.createTable(desc);
TEST_UTIL.waitTableAvailable(desc.getTableName().getName(), 10000);
FileSystem fs = FileSystem.get(TEST_UTIL.getConfiguration());
assertTrue(
fs.exists(
new Path(
master.getMasterFileSystem().getRootDir(),
new Path(
HConstants.BASE_NAMESPACE_DIR,
new Path(nsName, desc.getTableName().getQualifierAsString())))));
assertEquals(1, admin.listTables().length);
// verify non-empty namespace can't be removed
try {
admin.deleteNamespace(nsName);
fail("Expected non-empty namespace constraint exception");
} catch (Exception ex) {
LOG.info("Caught expected exception: " + ex);
}
// sanity check try to write and read from table
Table table = TEST_UTIL.getConnection().getTable(desc.getTableName());
Put p = new Put(Bytes.toBytes("row1"));
p.add(Bytes.toBytes("my_cf"), Bytes.toBytes("my_col"), Bytes.toBytes("value1"));
table.put(p);
// flush and read from disk to make sure directory changes are working
admin.flush(desc.getTableName());
Get g = new Get(Bytes.toBytes("row1"));
assertTrue(table.exists(g));
// normal case of removing namespace
TEST_UTIL.deleteTable(desc.getTableName());
admin.deleteNamespace(nsName);
}
@Override
void perform() throws IOException {
NamespaceDescriptor selected = selectNamespace(namespaceMap);
if (selected == null) {
return;
}
Admin admin = connection.getAdmin();
try {
String namespaceName = selected.getName();
LOG.info("Deleting namespace :" + selected);
admin.deleteNamespace(namespaceName);
try {
if (admin.getNamespaceDescriptor(namespaceName) != null) {
// the namespace still exists.
Assert.assertTrue("Namespace: " + selected + " was not deleted", false);
} else {
LOG.info("Deleted namespace :" + selected);
}
} catch (NamespaceNotFoundException nsnfe) {
// This is expected result
LOG.info("Deleted namespace :" + selected);
}
} catch (Exception e) {
LOG.warn("Caught exception in action: " + this.getClass());
throw e;
} finally {
admin.close();
}
verifyNamespaces();
}
@Before
public void beforeMethod() throws IOException {
for (HTableDescriptor desc : admin.listTables(prefix + ".*")) {
admin.disableTable(desc.getTableName());
admin.deleteTable(desc.getTableName());
}
for (NamespaceDescriptor ns : admin.listNamespaceDescriptors()) {
if (ns.getName().startsWith(prefix)) {
admin.deleteNamespace(ns.getName());
}
}
}
@Test
public void testDeleteReservedNS() throws Exception {
boolean exceptionCaught = false;
try {
admin.deleteNamespace(NamespaceDescriptor.DEFAULT_NAMESPACE_NAME_STR);
} catch (IOException exp) {
LOG.warn(exp);
exceptionCaught = true;
} finally {
assertTrue(exceptionCaught);
}
try {
admin.deleteNamespace(NamespaceDescriptor.SYSTEM_NAMESPACE_NAME_STR);
} catch (IOException exp) {
LOG.warn(exp);
exceptionCaught = true;
} finally {
assertTrue(exceptionCaught);
}
}
@Override
public void cleanUpCluster() throws Exception {
if (!keepObjectsAtTheEnd) {
Admin admin = util.getAdmin();
admin.disableTables("ittable-\\d+");
admin.deleteTables("ittable-\\d+");
NamespaceDescriptor[] nsds = admin.listNamespaceDescriptors();
for (NamespaceDescriptor nsd : nsds) {
if (nsd.getName().matches("itnamespace\\d+")) {
LOG.info("Removing namespace=" + nsd.getName());
admin.deleteNamespace(nsd.getName());
}
}
}
enabledTables.clear();
disabledTables.clear();
deletedTables.clear();
namespaceMap.clear();
Connection connection = getConnection();
connection.close();
super.cleanUpCluster();
}
@Test
public void createRemoveTest() throws Exception {
String testName = "createRemoveTest";
String nsName = prefix + "_" + testName;
LOG.info(testName);
// create namespace and verify
admin.createNamespace(NamespaceDescriptor.create(nsName).build());
assertEquals(3, admin.listNamespaceDescriptors().length);
TEST_UTIL.waitFor(
60000,
new Waiter.Predicate<Exception>() {
@Override
public boolean evaluate() throws Exception {
return zkNamespaceManager.list().size() == 3;
}
});
assertNotNull(zkNamespaceManager.get(nsName));
// remove namespace and verify
admin.deleteNamespace(nsName);
assertEquals(2, admin.listNamespaceDescriptors().length);
assertEquals(2, zkNamespaceManager.list().size());
assertNull(zkNamespaceManager.get(nsName));
}
@Test(timeout = 60000)
public void testNamespaceOperations() throws IOException {
admin.createNamespace(NamespaceDescriptor.create(prefix + "ns1").build());
admin.createNamespace(NamespaceDescriptor.create(prefix + "ns2").build());
// create namespace that already exists
runWithExpectedException(
new Callable<Void>() {
@Override
public Void call() throws Exception {
admin.createNamespace(NamespaceDescriptor.create(prefix + "ns1").build());
return null;
}
},
NamespaceExistException.class);
// create a table in non-existing namespace
runWithExpectedException(
new Callable<Void>() {
@Override
public Void call() throws Exception {
HTableDescriptor htd =
new HTableDescriptor(TableName.valueOf("non_existing_namespace", "table1"));
htd.addFamily(new HColumnDescriptor("family1"));
admin.createTable(htd);
return null;
}
},
NamespaceNotFoundException.class);
// get descriptor for existing namespace
admin.getNamespaceDescriptor(prefix + "ns1");
// get descriptor for non-existing namespace
runWithExpectedException(
new Callable<NamespaceDescriptor>() {
@Override
public NamespaceDescriptor call() throws Exception {
return admin.getNamespaceDescriptor("non_existing_namespace");
}
},
NamespaceNotFoundException.class);
// delete descriptor for existing namespace
admin.deleteNamespace(prefix + "ns2");
// delete descriptor for non-existing namespace
runWithExpectedException(
new Callable<Void>() {
@Override
public Void call() throws Exception {
admin.deleteNamespace("non_existing_namespace");
return null;
}
},
NamespaceNotFoundException.class);
// modify namespace descriptor for existing namespace
NamespaceDescriptor ns1 = admin.getNamespaceDescriptor(prefix + "ns1");
ns1.setConfiguration("foo", "bar");
admin.modifyNamespace(ns1);
// modify namespace descriptor for non-existing namespace
runWithExpectedException(
new Callable<Void>() {
@Override
public Void call() throws Exception {
admin.modifyNamespace(NamespaceDescriptor.create("non_existing_namespace").build());
return null;
}
},
NamespaceNotFoundException.class);
// get table descriptors for existing namespace
HTableDescriptor htd = new HTableDescriptor(TableName.valueOf(prefix + "ns1", "table1"));
htd.addFamily(new HColumnDescriptor("family1"));
admin.createTable(htd);
HTableDescriptor[] htds = admin.listTableDescriptorsByNamespace(prefix + "ns1");
assertNotNull("Should have not returned null", htds);
assertEquals("Should have returned non-empty array", 1, htds.length);
// get table descriptors for non-existing namespace
runWithExpectedException(
new Callable<Void>() {
@Override
public Void call() throws Exception {
admin.listTableDescriptorsByNamespace("non_existing_namespace");
return null;
}
},
NamespaceNotFoundException.class);
// get table names for existing namespace
TableName[] tableNames = admin.listTableNamesByNamespace(prefix + "ns1");
assertNotNull("Should have not returned null", tableNames);
assertEquals("Should have returned non-empty array", 1, tableNames.length);
// get table names for non-existing namespace
runWithExpectedException(
new Callable<Void>() {
@Override
public Void call() throws Exception {
admin.listTableNamesByNamespace("non_existing_namespace");
return null;
}
},
NamespaceNotFoundException.class);
}
