public async Task TestCosmosOrderByQueryExecutionContextWithEmptyPagesAndSplitAsync(bool createInitialContinuationToken)
{
int maxPageSize = 5;
List <MockPartitionResponse[]> mockResponsesScenario = MockQueryFactory.GetSplitScenarios();
foreach (MockPartitionResponse[] mockResponse in mockResponsesScenario)
{
string initialContinuationToken = null;
string fullConitnuationToken = null;
if (createInitialContinuationToken)
{
ToDoItem itemToRepresentPreviousQuery = ToDoItem.CreateItems(
1,
"itemToRepresentPreviousQuery",
MockQueryFactory.DefaultCollectionRid).First();
initialContinuationToken = $" - RID:{itemToRepresentPreviousQuery._rid} ==#RT:1#TRC:1";
CompositeContinuationToken compositeContinuation = new CompositeContinuationToken()
{
Range = new Documents.Routing.Range <string>(
min: MockQueryFactory.DefaultPartitionKeyRange.MinInclusive,
max: MockQueryFactory.DefaultPartitionKeyRange.MaxExclusive,
isMaxInclusive: false,
isMinInclusive: true),
Token = initialContinuationToken
};
List <OrderByItem> orderByItems = new List <OrderByItem>()
{
new OrderByItem(CosmosObject.Create(Encoding.UTF8.GetBytes("{\"item\":\"2c4ce711-13c3-4c93-817c-49287b71b6c3\"}")))
};
OrderByContinuationToken orderByContinuationToken = new OrderByContinuationToken(
compositeContinuationToken: compositeContinuation,
orderByItems: orderByItems,
rid: itemToRepresentPreviousQuery._rid,
skipCount: 0,
filter: null);
fullConitnuationToken = JsonConvert.SerializeObject(new OrderByContinuationToken[] { orderByContinuationToken });
}
Mock <CosmosQueryClient> mockQueryClient = new Mock <CosmosQueryClient>();
IList <ToDoItem> allItems = MockQueryFactory.GenerateAndMockResponse(
mockQueryClient,
isOrderByQuery: true,
sqlQuerySpec: MockQueryFactory.DefaultQuerySpec,
containerRid: MockQueryFactory.DefaultCollectionRid,
initContinuationToken: initialContinuationToken,
maxPageSize: maxPageSize,
mockResponseForSinglePartition: mockResponse,
cancellationTokenForMocks: this.cancellationToken);
// Order by drains the partitions until it finds an item
// If there are no items then it's not possible to have a continuation token
if (allItems.Count == 0 && createInitialContinuationToken)
{
continue;
}
CosmosQueryContext context = MockQueryFactory.CreateContext(
mockQueryClient.Object);
QueryInfo queryInfo = new QueryInfo()
{
OrderBy = new SortOrder[] { SortOrder.Ascending },
OrderByExpressions = new string[] { "id" }
};
CosmosCrossPartitionQueryExecutionContext.CrossPartitionInitParams initParams = new CosmosCrossPartitionQueryExecutionContext.CrossPartitionInitParams(
sqlQuerySpec: MockQueryFactory.DefaultQuerySpec,
collectionRid: MockQueryFactory.DefaultCollectionRid,
partitionedQueryExecutionInfo: new PartitionedQueryExecutionInfo()
{
QueryInfo = queryInfo
},
partitionKeyRanges: new List <PartitionKeyRange>()
{
MockQueryFactory.DefaultPartitionKeyRange
},
initialPageSize: maxPageSize,
maxConcurrency: null,
maxItemCount: maxPageSize,
maxBufferedItemCount: null);
CosmosOrderByItemQueryExecutionContext executionContext = await CosmosOrderByItemQueryExecutionContext.CreateAsync(
context,
initParams,
fullConitnuationToken,
this.cancellationToken);
// For order by it will drain all the pages till it gets a value.
if (allItems.Count == 0)
{
Assert.IsTrue(executionContext.IsDone);
continue;
}
Assert.IsTrue(!executionContext.IsDone);
// Read all the pages from both splits
List <ToDoItem> itemsRead = new List <ToDoItem>();
while (!executionContext.IsDone)
{
QueryResponseCore queryResponse = await executionContext.DrainAsync(
maxPageSize,
this.cancellationToken);
string responseContinuationToken = queryResponse.ContinuationToken;
foreach (CosmosElement element in queryResponse.CosmosElements)
{
string jsonValue = element.ToString();
ToDoItem item = JsonConvert.DeserializeObject <ToDoItem>(jsonValue);
itemsRead.Add(item);
}
}
Assert.AreEqual(allItems.Count, itemsRead.Count);
CollectionAssert.AreEqual(allItems.ToList(), itemsRead, new ToDoItemComparer());
}
}
public static async Task <TryCatch <CosmosQueryExecutionContext> > TryCreateAsync(
ExecutionEnvironment executionEnvironment,
CosmosQueryContext queryContext,
CosmosCrossPartitionQueryExecutionContext.CrossPartitionInitParams initParams,
string requestContinuationToken,
CancellationToken cancellationToken)
{
if (queryContext == null)
{
throw new ArgumentNullException(nameof(initParams));
}
cancellationToken.ThrowIfCancellationRequested();
QueryInfo queryInfo = initParams.PartitionedQueryExecutionInfo.QueryInfo;
int initialPageSize = initParams.InitialPageSize;
if (queryInfo.HasGroupBy)
{
// The query will block until all groupings are gathered so we might as well speed up the process.
initParams = new CosmosCrossPartitionQueryExecutionContext.CrossPartitionInitParams(
sqlQuerySpec: initParams.SqlQuerySpec,
collectionRid: initParams.CollectionRid,
partitionedQueryExecutionInfo: initParams.PartitionedQueryExecutionInfo,
partitionKeyRanges: initParams.PartitionKeyRanges,
initialPageSize: int.MaxValue,
maxConcurrency: initParams.MaxConcurrency,
maxItemCount: int.MaxValue,
maxBufferedItemCount: initParams.MaxBufferedItemCount);
}
async Task <TryCatch <IDocumentQueryExecutionComponent> > tryCreateOrderByComponentAsync(string continuationToken)
{
return((await CosmosOrderByItemQueryExecutionContext.TryCreateAsync(
queryContext,
initParams,
continuationToken,
cancellationToken)).Try <IDocumentQueryExecutionComponent>(component => component));
}
async Task <TryCatch <IDocumentQueryExecutionComponent> > tryCreateParallelComponentAsync(string continuationToken)
{
return((await CosmosParallelItemQueryExecutionContext.TryCreateAsync(
queryContext,
initParams,
continuationToken,
cancellationToken)).Try <IDocumentQueryExecutionComponent>(component => component));
}
Func <string, Task <TryCatch <IDocumentQueryExecutionComponent> > > tryCreatePipelineAsync;
if (queryInfo.HasOrderBy)
{
tryCreatePipelineAsync = tryCreateOrderByComponentAsync;
}
else
{
tryCreatePipelineAsync = tryCreateParallelComponentAsync;
}
if (queryInfo.HasAggregates && !queryInfo.HasGroupBy)
{
Func <string, Task <TryCatch <IDocumentQueryExecutionComponent> > > tryCreateSourceAsync = tryCreatePipelineAsync;
tryCreatePipelineAsync = async(continuationToken) =>
{
return(await AggregateDocumentQueryExecutionComponent.TryCreateAsync(
executionEnvironment,
queryInfo.Aggregates,
queryInfo.GroupByAliasToAggregateType,
queryInfo.GroupByAliases,
queryInfo.HasSelectValue,
continuationToken,
tryCreateSourceAsync));
};
}
if (queryInfo.HasDistinct)
{
Func <string, Task <TryCatch <IDocumentQueryExecutionComponent> > > tryCreateSourceAsync = tryCreatePipelineAsync;
tryCreatePipelineAsync = async(continuationToken) =>
{
return(await DistinctDocumentQueryExecutionComponent.TryCreateAsync(
executionEnvironment,
continuationToken,
tryCreateSourceAsync,
queryInfo.DistinctType));
};
}
if (queryInfo.HasGroupBy)
{
Func <string, Task <TryCatch <IDocumentQueryExecutionComponent> > > tryCreateSourceAsync = tryCreatePipelineAsync;
tryCreatePipelineAsync = async(continuationToken) =>
{
return(await GroupByDocumentQueryExecutionComponent.TryCreateAsync(
executionEnvironment,
continuationToken,
tryCreateSourceAsync,
queryInfo.GroupByAliasToAggregateType,
queryInfo.GroupByAliases,
queryInfo.HasSelectValue));
};
}
if (queryInfo.HasOffset)
{
Func <string, Task <TryCatch <IDocumentQueryExecutionComponent> > > tryCreateSourceAsync = tryCreatePipelineAsync;
tryCreatePipelineAsync = async(continuationToken) =>
{
return(await SkipDocumentQueryExecutionComponent.TryCreateAsync(
queryInfo.Offset.Value,
continuationToken,
tryCreateSourceAsync));
};
}
if (queryInfo.HasLimit)
{
Func <string, Task <TryCatch <IDocumentQueryExecutionComponent> > > tryCreateSourceAsync = tryCreatePipelineAsync;
tryCreatePipelineAsync = async(continuationToken) =>
{
return(await TakeDocumentQueryExecutionComponent.TryCreateLimitDocumentQueryExecutionComponentAsync(
queryInfo.Limit.Value,
continuationToken,
tryCreateSourceAsync));
};
}
if (queryInfo.HasTop)
{
Func <string, Task <TryCatch <IDocumentQueryExecutionComponent> > > tryCreateSourceAsync = tryCreatePipelineAsync;
tryCreatePipelineAsync = async(continuationToken) =>
{
return(await TakeDocumentQueryExecutionComponent.TryCreateTopDocumentQueryExecutionComponentAsync(
queryInfo.Top.Value,
continuationToken,
tryCreateSourceAsync));
};
}
return((await tryCreatePipelineAsync(requestContinuationToken))
.Try <CosmosQueryExecutionContext>((source) => new PipelinedDocumentQueryExecutionContext(source, initialPageSize)));
}
public async Task TestCosmosOrderByQueryExecutionContextWithFailurePageAsync(bool createInitialContinuationToken)
{
int maxPageSize = 5;
List <MockPartitionResponse[]> mockResponsesScenario = MockQueryFactory.GetFailureScenarios();
Mock <CosmosQueryClient> mockQueryClient = new Mock <CosmosQueryClient>();
foreach (MockPartitionResponse[] mockResponse in mockResponsesScenario)
{
string initialContinuationToken = null;
string fullContinuationToken = null;
if (createInitialContinuationToken)
{
ToDoItem itemToRepresentPreviousQuery = ToDoItem.CreateItems(
1,
"itemToRepresentPreviousQuery",
MockQueryFactory.DefaultCollectionRid).First();
initialContinuationToken = $" - RID:{itemToRepresentPreviousQuery._rid} ==#RT:1#TRC:1";
CompositeContinuationToken compositeContinuation = new CompositeContinuationToken()
{
Range = new Documents.Routing.Range <string>(
min: MockQueryFactory.DefaultPartitionKeyRange.MinInclusive,
max: MockQueryFactory.DefaultPartitionKeyRange.MaxExclusive,
isMaxInclusive: false,
isMinInclusive: true),
Token = initialContinuationToken
};
List <OrderByItem> orderByItems = new List <OrderByItem>()
{
new OrderByItem(CosmosObject.CreateFromBuffer(Encoding.UTF8.GetBytes("{\"item\":\"2c4ce711-13c3-4c93-817c-49287b71b6c3\"}")))
};
OrderByContinuationToken orderByContinuationToken = new OrderByContinuationToken(
compositeContinuationToken: compositeContinuation,
orderByItems: orderByItems,
rid: itemToRepresentPreviousQuery._rid,
skipCount: 0,
filter: null);
fullContinuationToken = CosmosArray.Create(
new List <CosmosElement>()
{
OrderByContinuationToken.ToCosmosElement(orderByContinuationToken)
}).ToString();
}
IList <ToDoItem> allItems = MockQueryFactory.GenerateAndMockResponse(
mockQueryClient,
isOrderByQuery: true,
sqlQuerySpec: MockQueryFactory.DefaultQuerySpec,
containerRid: MockQueryFactory.DefaultCollectionRid,
initContinuationToken: initialContinuationToken,
maxPageSize: maxPageSize,
mockResponseForSinglePartition: mockResponse,
cancellationTokenForMocks: this.cancellationToken);
// Order by drains the partitions until it finds an item
// If there are no items then it's not possible to have a continuation token
if (allItems.Count == 0 && createInitialContinuationToken)
{
continue;
}
CosmosQueryContext context = MockQueryFactory.CreateContext(
mockQueryClient.Object);
QueryInfo queryInfo = new QueryInfo()
{
OrderBy = new SortOrder[] { SortOrder.Ascending },
OrderByExpressions = new string[] { "id" }
};
CosmosCrossPartitionQueryExecutionContext.CrossPartitionInitParams initParams = new CosmosCrossPartitionQueryExecutionContext.CrossPartitionInitParams(
sqlQuerySpec: MockQueryFactory.DefaultQuerySpec,
collectionRid: MockQueryFactory.DefaultCollectionRid,
partitionedQueryExecutionInfo: new PartitionedQueryExecutionInfo()
{
QueryInfo = queryInfo
},
partitionKeyRanges: new List <PartitionKeyRange>()
{
MockQueryFactory.DefaultPartitionKeyRange
},
initialPageSize: maxPageSize,
maxConcurrency: null,
maxItemCount: maxPageSize,
maxBufferedItemCount: null,
returnResultsInDeterministicOrder: true,
testSettings: new TestInjections(simulate429s: false, simulateEmptyPages: false));
TryCatch <IDocumentQueryExecutionComponent> tryCreate = await CosmosOrderByItemQueryExecutionContext.TryCreateAsync(
context,
initParams,
fullContinuationToken != null?CosmosElement.Parse(fullContinuationToken) : null,
this.cancellationToken);
if (tryCreate.Succeeded)
{
IDocumentQueryExecutionComponent executionContext = tryCreate.Result;
Assert.IsTrue(!executionContext.IsDone);
// Read all the pages from both splits
List <ToDoItem> itemsRead = new List <ToDoItem>();
QueryResponseCore?failure = null;
while (!executionContext.IsDone)
{
QueryResponseCore queryResponse = await executionContext.DrainAsync(
maxPageSize,
this.cancellationToken);
if (queryResponse.IsSuccess)
{
string responseContinuationToken = queryResponse.ContinuationToken;
foreach (CosmosElement element in queryResponse.CosmosElements)
{
string jsonValue = element.ToString();
ToDoItem item = JsonConvert.DeserializeObject <ToDoItem>(jsonValue);
itemsRead.Add(item);
}
}
else
{
Assert.IsNull(failure, "There should only be one error");
failure = queryResponse;
}
}
Assert.IsNotNull(failure);
Assert.AreEqual((HttpStatusCode)429, failure.Value.StatusCode);
Assert.IsNotNull(failure.Value.CosmosException.ToString());
Assert.AreEqual(0 /*We don't get any items, since we don't buffer the failure anymore*/, itemsRead.Count);
//CollectionAssert.AreEqual(allItems.ToList(), itemsRead, new ToDoItemComparer());
}
else
{
QueryResponseCore queryResponseCore = QueryResponseFactory.CreateFromException(tryCreate.Exception);
Assert.AreEqual((HttpStatusCode)429, queryResponseCore.StatusCode);
}
}
}
