public async Task testUpdateConflict()
{
var zk = await createClient();
Assert.assertNull(await zk.existsAsync("/multi", null));
try
{
await multiAsync(zk, Arrays.asList(
Op.create("/multi", new byte[0], ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT),
Op.setData("/multi", "X".UTF8getBytes(), 0),
Op.setData("/multi", "Y".UTF8getBytes(), 0)
));
Assert.fail("Should have thrown a KeeperException for invalid version");
}
catch (KeeperException e)
{
//PASS
LOG.error("STACKTRACE: " + e);
}
Assert.assertNull(await zk.existsAsync("/multi", null));
//Updating version solves conflict -- order matters
await multiAsync(zk, Arrays.asList(
Op.create("/multi", new byte[0], ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT),
Op.setData("/multi", "X".UTF8getBytes(), 0),
Op.setData("/multi", "Y".UTF8getBytes(), 1)
));
Assert.assertEquals((await zk.getDataAsync("/multi", false)).Data, "Y".UTF8getBytes());
}
public async Task testChRootCreateDelete()
{
var zk = await createClient();
// creating the subtree for chRoot clients.
string chRoot = await createNameSpace();
// Creating child using chRoot client.
var zk_chroot = await createClient(chRoot);
Op createChild = Op.create("/myid", new byte[0],
ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT);
await multiAsync(zk_chroot, Arrays.asList(createChild));
Assert.assertNotNull("zNode is not created under chroot:" + chRoot, await zk
.existsAsync(chRoot + "/myid", false));
Assert.assertNotNull("zNode is not created under chroot:" + chRoot, await
zk_chroot.existsAsync("/myid", false));
Assert.assertNull("zNode is created directly under '/', ignored configured chroot",
await zk.existsAsync("/myid", false));
// Deleting child using chRoot client.
Op deleteChild = Op.delete("/myid", 0);
await multiAsync(zk_chroot, Arrays.asList(deleteChild));
Assert.assertNull("zNode exists under chroot:" + chRoot, await zk.existsAsync(
chRoot + "/myid", false));
Assert.assertNull("zNode exists under chroot:" + chRoot, await zk_chroot
.existsAsync("/myid", false));
}
public async Task testCreateDelete()
{
var zk = await createClient();
await multiAsync(zk, Arrays.asList(
Op.create("/multi", new byte[0], ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT),
Op.delete("/multi", 0)
));
// '/multi' should have been deleted
Assert.assertNull(await zk.existsAsync("/multi", null));
}
public async Task testNestedCreate()
{
var zk = await createClient();
await multiAsync(zk, Arrays.asList(
/* Create */
Op.create("/multi", new byte[0], ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT),
Op.create("/multi/a", new byte[0], ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT),
Op.create("/multi/a/1", new byte[0], ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT),
/* Delete */
Op.delete("/multi/a/1", 0),
Op.delete("/multi/a", 0),
Op.delete("/multi", 0)
));
//Verify tree deleted
Assert.assertNull(await zk.existsAsync("/multi/a/1", null));
Assert.assertNull(await zk.existsAsync("/multi/a", null));
Assert.assertNull(await zk.existsAsync("/multi", null));
}
public async Task testChRootTransaction()
{
var zk = await createClient();
// creating the subtree for chRoot clients.
string chRoot = await createNameSpace();
// checking the child version using chRoot client.
var zk_chroot = await createClient(chRoot);
const string childPath = "/myid";
Transaction transaction = zk_chroot.transaction();
transaction.create(childPath, new byte[0], ZooDefs.Ids.OPEN_ACL_UNSAFE,
CreateMode.PERSISTENT);
transaction.check(childPath, 0);
transaction.setData(childPath, childPath.UTF8getBytes(), 0);
await commitAsync(transaction);
Assert.assertNotNull("zNode is not created under chroot:" + chRoot, await zk
.existsAsync(chRoot + childPath, false));
Assert.assertNotNull("zNode is not created under chroot:" + chRoot, await
zk_chroot.existsAsync(childPath, false));
Assert.assertNull("zNode is created directly under '/', ignored configured chroot",
await zk.existsAsync(childPath, false));
Assert.assertEquals("zNode data not matching", childPath
.UTF8getBytes(), (await zk_chroot.getDataAsync(childPath, false)).Data);
transaction = zk_chroot.transaction();
// Deleting child using chRoot client.
transaction.delete(childPath, 1);
await commitAsync(transaction);
Assert.assertNull("chroot:" + chRoot + " exists after delete", await zk
.existsAsync(chRoot + "/myid", false));
Assert.assertNull("chroot:" + chRoot + " exists after delete", await
zk_chroot.existsAsync("/myid", false));
}
public async Task TestDeleteUpdateConflict()
{
var zk = await createClient();
/* Delete of a node folowed by an update of the (now) deleted node */
try
{
await multiAsync(zk, Arrays.asList(
Op.create("/multi", new byte[0], ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT),
Op.delete("/multi", 0),
Op.setData("/multi", "Y".UTF8getBytes(), 0)
));
Assert.fail("/multi should have been deleted so setData should have failed");
}
catch (KeeperException)
{
/* PASS */
}
// '/multi' should never have been created as entire op should fail
Assert.assertNull(await zk.existsAsync("/multi", null));
}
public async Task TestGetResults()
{
var zk = await createClient();
/* Delete of a node folowed by an update of the (now) deleted node */
var ops = Arrays.asList(
Op.create("/multi", new byte[0], ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT),
Op.delete("/multi", 0),
Op.setData("/multi", "Y".UTF8getBytes(), 0),
Op.create("/foo", new byte[0], ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT)
);
List <OpResult> results = null;
try
{
await zk.multiAsync(ops);
Assert.fail("/multi should have been deleted so setData should have failed");
}
catch (KeeperException e)
{
// '/multi' should never have been created as entire op should fail
Assert.assertNull(await zk.existsAsync("/multi", null));
results = e.getResults();
}
Assert.assertNotNull(results);
foreach (OpResult r in results)
{
LOG.info("RESULT==> " + r);
if (r is OpResult.ErrorResult)
{
OpResult.ErrorResult er = (OpResult.ErrorResult)r;
LOG.info("ERROR RESULT: " + er + " ERR=>" + EnumUtil <KeeperException.Code> .DefinedCast(er.getErr()));
}
}
}
public async Task testTransactionBuilder()
{
var zk = await createClient();
List <OpResult> results = await commitAsync(zk.transaction()
.create("/t1", new byte[0], ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT)
.create("/t1/child", new byte[0], ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT)
.create("/t2", null, ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.EPHEMERAL));
Assert.assertEquals(3, results.Count);
foreach (OpResult r in results)
{
OpResult.CreateResult c = (OpResult.CreateResult)r;
Assert.assertTrue(c.getPath().StartsWith("/t"));
Assert.assertNotNull(c.ToString());
}
Assert.assertNotNull(await zk.existsAsync("/t1", false));
Assert.assertNotNull(await zk.existsAsync("/t1/child", false));
Assert.assertNotNull(await zk.existsAsync("/t2", false));
results = await commitAsync(zk.transaction()
.check("/t1", 0)
.check("/t1/child", 0)
.check("/t2", 0));
Assert.assertEquals(3, results.Count);
foreach (OpResult r in results)
{
OpResult.CheckResult c = (OpResult.CheckResult)r;
Assert.assertNotNull(c.ToString());
}
try
{
await commitAsync(zk.transaction()
.check("/t1", 0)
.check("/t1/child", 0)
.check("/t2", 1));
Assert.fail();
}
catch (KeeperException.BadVersionException)
{
// expected
}
results = await commitAsync(zk.transaction()
.check("/t1", 0)
.setData("/t1", new byte[0], 0));
Assert.assertEquals(2, results.Count);
foreach (OpResult r in results)
{
Assert.assertNotNull(r.ToString());
}
try
{
results = await commitAsync(zk.transaction()
.check("/t1", 1)
.setData("/t1", new byte[0], 2));
Assert.fail();
}
catch (KeeperException.BadVersionException)
{
// expected
}
results = await commitAsync(zk.transaction()
.check("/t1", 1)
.check("/t1/child", 0)
.check("/t2", 0));
Assert.assertEquals(3, results.Count);
results = await commitAsync(zk.transaction()
.delete("/t2", -1)
.delete("/t1/child", -1));
Assert.assertEquals(2, results.Count);
foreach (OpResult r in results)
{
OpResult.DeleteResult d = (OpResult.DeleteResult)r;
Assert.assertNotNull(d.ToString());
}
Assert.assertNotNull(await zk.existsAsync("/t1", false));
Assert.assertNull(await zk.existsAsync("/t1/child", false));
Assert.assertNull(await zk.existsAsync("/t2", false));
}
