public void SingleEntityReplace()
{
CloudTableClient tableClient = GenerateCloudTableClient();
TableServiceContext ctx = tableClient.GetTableServiceContext();
TableServiceContext queryContext = tableClient.GetTableServiceContext();
// Insert Entity
BaseEntity baseEntity = new BaseEntity("insert test", "foo");
baseEntity.Randomize();
ctx.AddObject(currentTable.Name, baseEntity);
ctx.SaveChangesWithRetries();
string etag = ctx.Entities.First().ETag;
ctx.Detach(baseEntity);
MergeEntity replaceEntity = new MergeEntity(baseEntity.PartitionKey, baseEntity.RowKey);
replaceEntity.Randomize();
ctx.AttachTo(currentTable.Name, replaceEntity, etag);
ctx.UpdateObject(replaceEntity);
ctx.SaveChangesWithRetries(SaveChangesOptions.ReplaceOnUpdate);
// Retrieve Entity
UnionEnitity retrievedEntity = (from ent in queryContext.CreateQuery <UnionEnitity>(currentTable.Name)
where ent.PartitionKey == baseEntity.PartitionKey &&
ent.RowKey == baseEntity.RowKey
select ent).AsTableServiceQuery(queryContext).Execute().FirstOrDefault();
Assert.IsNotNull(retrievedEntity);
Assert.AreEqual(null, retrievedEntity.A);
Assert.AreEqual(null, retrievedEntity.B);
Assert.AreEqual(null, retrievedEntity.C);
Assert.AreEqual(replaceEntity.D, retrievedEntity.D);
Assert.AreEqual(replaceEntity.E, retrievedEntity.E);
Assert.AreEqual(replaceEntity.F, retrievedEntity.F);
}
public void SingleEntityDelete()
{
CloudTableClient tableClient = GenerateCloudTableClient();
TableServiceContext ctx = tableClient.GetTableServiceContext();
// Insert Entity
ComplexEntity insertEntity = new ComplexEntity("insert test", "foo");
ctx.AddObject(currentTable.Name, insertEntity);
ctx.SaveChangesWithRetries();
// Retrieve Entity
ComplexEntity retrievedEntity = (from ent in ctx.CreateQuery <ComplexEntity>(currentTable.Name)
where ent.PartitionKey == insertEntity.PartitionKey &&
ent.RowKey == insertEntity.RowKey
select ent).AsTableServiceQuery(ctx).Execute().FirstOrDefault();
Assert.IsNotNull(retrievedEntity);
ctx.DeleteObject(retrievedEntity);
ctx.SaveChangesWithRetries();
try
{
// Retrieve Entity
retrievedEntity = (from ent in ctx.CreateQuery <ComplexEntity>(currentTable.Name)
where ent.PartitionKey == insertEntity.PartitionKey &&
ent.RowKey == insertEntity.RowKey
select ent).AsTableServiceQuery(ctx).Execute().FirstOrDefault();
Assert.Fail();
}
catch (StorageException ex)
{
Assert.AreEqual(ex.RequestInformation.HttpStatusCode, (int)HttpStatusCode.NotFound);
}
}
private void DoBatchInsert(TablePayloadFormat format)
{
CloudTableClient tableClient = GenerateCloudTableClient();
TableServiceContext ctx = tableClient.GetTableServiceContext();
SetPayloadFormatOnDataServiceContext(ctx, format, tableClient);
// Insert Entities
SortedDictionary <string, ComplexEntity> entities = new SortedDictionary <string, ComplexEntity>();
for (int i = 0; i < 100; i++)
{
ComplexEntity insertEntity = new ComplexEntity("insert test" + format.ToString(), "foo" + format.ToString() + i);
entities.Add(insertEntity.RowKey, insertEntity);
ctx.AddObject(currentTable.Name, insertEntity);
}
DataServiceResponse response = ctx.SaveChangesWithRetries(SaveChangesOptions.Batch);
Assert.AreEqual((int)HttpStatusCode.Accepted, response.BatchStatusCode);
// Retrieve Entities
List <ComplexEntity> retrievedEntities = (from ent in ctx.CreateQuery <ComplexEntity>(currentTable.Name)
where ent.PartitionKey == entities.First().Value.PartitionKey
select ent).AsTableServiceQuery(ctx).Execute().ToList();
Assert.AreEqual(entities.Count, retrievedEntities.Count);
foreach (ComplexEntity retrievedEntity in retrievedEntities)
{
ComplexEntity.AssertEquality(entities[retrievedEntity.RowKey], retrievedEntity);
entities.Remove(retrievedEntity.RowKey);
}
Assert.AreEqual(0, entities.Count);
}
private void DoSingleEntityInsertEntityOver1MB(TablePayloadFormat format)
{
CloudTableClient tableClient = GenerateCloudTableClient();
TableServiceContext ctx = tableClient.GetTableServiceContext();
SetPayloadFormatOnDataServiceContext(ctx, format, tableClient);
// Insert Entity
ComplexEntity insertEntity = new ComplexEntity("insert test", "foo");
insertEntity.Binary = new byte[1024 * 1024];
ctx.AddObject(currentTable.Name, insertEntity);
OperationContext opContext = new OperationContext();
try
{
ctx.SaveChangesWithRetries(SaveChangesOptions.None, null, opContext);
Assert.Fail();
}
catch (StorageException)
{
TestHelper.ValidateResponse(opContext, 1, (int)HttpStatusCode.BadRequest, new string[] { "EntityTooLarge" }, "The entity is larger than the maximum allowed size (1MB).");
}
}
public void TableServiceContextConcurrencyAllowsOnlySingleOperationAtOnce()
{
CloudTableClient tableClient = GenerateCloudTableClient();
TableServiceContext tableContext = tableClient.GetTableServiceContext();
// insert entities to query against
for (int i = 0; i < 5; i++)
{
for (int m = 0; m < 100; m++)
{
BaseEntity ent = new BaseEntity("testpartition" + i, m.ToString());
ent.Randomize();
ent.A = ent.RowKey;
tableContext.AddObject(currentTable.Name, ent);
}
tableContext.SaveChangesWithRetries(SaveChangesOptions.Batch);
}
List <OperationContext> opContexts = new List <OperationContext>();
object lockerObj = new object();
DateTime start = DateTime.Now;
int threadsRunning = 0;
Exception lastEx = null;
// Start 10 simultaneous threads to query entities associated with same context.
for (int j = 0; j < 10; j++)
{
opContexts.Add(new OperationContext());
Thread newThread = new Thread((arg) =>
{
Interlocked.Increment(ref threadsRunning);
try
{
lock (lockerObj)
{
Monitor.Wait(lockerObj);
}
TableServiceQuery <BaseEntity> query = (from ent in tableContext.CreateQuery <BaseEntity>(currentTable.Name)
select ent).AsTableServiceQuery(tableContext);
Debug.WriteLine(String.Format("Thread {0} start operation @ {1}", Thread.CurrentThread.ManagedThreadId, (DateTime.Now - start).TotalMilliseconds));
try
{
query.Execute(null, arg as OperationContext).ToList();
}
catch (Exception)
{
// no op, expected to have some exceptions
}
Debug.WriteLine(String.Format("Thread {0} end operation @ {1}", Thread.CurrentThread.ManagedThreadId, (DateTime.Now - start).TotalMilliseconds));
}
catch (Exception ex)
{
lastEx = ex;
}
finally
{
Interlocked.Decrement(ref threadsRunning);
}
});
newThread.Start(opContexts[j]);
}
// Wait for all threads to start
while (Interlocked.CompareExchange(ref threadsRunning, 10, 10) < 10)
{
Thread.Sleep(200);
}
// pulse all threads
lock (lockerObj)
{
Monitor.PulseAll(lockerObj);
}
// Wait for all threads to complete
while (Interlocked.CompareExchange(ref threadsRunning, -1, 0) > -1)
{
Thread.Sleep(200);
}
if (lastEx != null)
{
throw lastEx;
}
foreach (OperationContext opContext in opContexts)
{
if (opContext.LastResult == null || opContext.LastResult.StartTime == null || opContext.LastResult.EndTime == null)
{
continue;
}
TestHelper.AssertNAttempts(opContext, 1);
RequestResult currRes = opContext.LastResult;
// Make sure this results start time does not occur in between any other results start & end time
var overlappingResults = (from ctx in opContexts
where ctx.LastResult != null && ctx.LastResult != currRes &&
ctx.LastResult.StartTime != null && ctx.LastResult.EndTime != null &&
ctx.LastResult.StartTime.Ticks <currRes.StartTime.Ticks &&
ctx.LastResult.EndTime.Ticks> currRes.StartTime.Ticks
select ctx.LastResult);
Assert.AreEqual(overlappingResults.Count(), 0, "Detected overlapping query");
}
}
public void SingleEntityInsertDeleteFail()
{
CloudTableClient tableClient = GenerateCloudTableClient();
TableServiceContext ctx = tableClient.GetTableServiceContext();
// Delete Entity that does not exits
ComplexEntity deleteEntity = new ComplexEntity("insert test", "foo");
ctx.AttachTo(currentTable.Name, deleteEntity, "*");
ctx.DeleteObject(deleteEntity);
OperationContext opContext = new OperationContext();
try
{
ctx.SaveChangesWithRetries(SaveChangesOptions.None, null, opContext);
Assert.Fail();
}
catch (StorageException)
{
TestHelper.ValidateResponse(opContext, 1, (int)HttpStatusCode.NotFound, new string[] { "ResourceNotFound" }, "The specified resource does not exist.");
}
ctx = tableClient.GetTableServiceContext();
TableServiceContext ctx2 = tableClient.GetTableServiceContext();
// Insert Entity
ComplexEntity insertEntity = new ComplexEntity("insert test", "foo");
ctx.AddObject(currentTable.Name, insertEntity);
ctx.SaveChangesWithRetries();
// Update Entity
ComplexEntity retrievedEntity = (from ent in ctx2.CreateQuery <ComplexEntity>(currentTable.Name)
where ent.PartitionKey == insertEntity.PartitionKey &&
ent.RowKey == insertEntity.RowKey
select ent).AsTableServiceQuery(ctx2).Execute().FirstOrDefault();
retrievedEntity.String = "updated value";
ctx2.UpdateObject(retrievedEntity);
ctx2.SaveChangesWithRetries();
// Now delete old reference with stale etag and validate exception
ctx.DeleteObject(insertEntity);
opContext = new OperationContext();
try
{
ctx.SaveChangesWithRetries(SaveChangesOptions.None, null, opContext);
Assert.Fail();
}
catch (StorageException)
{
TestHelper.ValidateResponse(opContext,
1,
(int)HttpStatusCode.PreconditionFailed,
new string[] { "UpdateConditionNotSatisfied", "ConditionNotMet" },
new string[] { "The update condition specified in the request was not satisfied.", "The condition specified using HTTP conditional header(s) is not met." });
}
}