public void VerifyNegativeCosmosQueryResponseStream()
{
string contianerRid = "mockContainerRid";
string errorMessage = "TestErrorMessage";
string activityId = "TestActivityId";
double requestCharge = 42.42;
Mock <CosmosDiagnostics> mockDiagnostics = new Mock <CosmosDiagnostics>();
CosmosDiagnostics diagnostics = mockDiagnostics.Object;
QueryResponse queryResponse = QueryResponse.CreateFailure(
statusCode: HttpStatusCode.NotFound,
errorMessage: errorMessage,
requestMessage: null,
error: null,
responseHeaders: new CosmosQueryResponseMessageHeaders(
null,
null,
ResourceType.Document,
contianerRid)
{
RequestCharge = requestCharge,
ActivityId = activityId
},
diagnostics: diagnostics);
Assert.AreEqual(HttpStatusCode.NotFound, queryResponse.StatusCode);
Assert.AreEqual(errorMessage, queryResponse.ErrorMessage);
Assert.AreEqual(requestCharge, queryResponse.Headers.RequestCharge);
Assert.AreEqual(activityId, queryResponse.Headers.ActivityId);
Assert.AreEqual(diagnostics, queryResponse.Diagnostics);
Assert.IsNull(queryResponse.Content);
}
public void VerifyNegativeCosmosQueryResponseStream()
{
string contianerRid = "mockContainerRid";
string errorMessage = "TestErrorMessage";
string activityId = "TestActivityId";
double requestCharge = 42.42;
CosmosDiagnosticsContext diagnostics = new CosmosDiagnosticsContextCore();
CosmosException cosmosException = CosmosExceptionFactory.CreateBadRequestException(errorMessage, diagnosticsContext: diagnostics);
diagnostics.GetOverallScope().Dispose();
QueryResponse queryResponse = QueryResponse.CreateFailure(
statusCode: HttpStatusCode.NotFound,
cosmosException: cosmosException,
requestMessage: null,
responseHeaders: new CosmosQueryResponseMessageHeaders(
null,
null,
ResourceType.Document,
contianerRid)
{
RequestCharge = requestCharge,
ActivityId = activityId
},
diagnostics: diagnostics);
Assert.AreEqual(HttpStatusCode.NotFound, queryResponse.StatusCode);
Assert.AreEqual(cosmosException.Message, queryResponse.ErrorMessage);
Assert.AreEqual(requestCharge, queryResponse.Headers.RequestCharge);
Assert.AreEqual(activityId, queryResponse.Headers.ActivityId);
Assert.AreEqual(diagnostics, queryResponse.DiagnosticsContext);
Assert.IsNull(queryResponse.Content);
}
public override async Task <ResponseMessage> ReadNextAsync(CancellationToken cancellationToken = default)
{
CosmosDiagnosticsContext diagnostics = CosmosDiagnosticsContext.Create(this.requestOptions);
using (diagnostics.GetOverallScope())
{
// This catches exception thrown by the pipeline and converts it to QueryResponse
QueryResponseCore responseCore = await this.cosmosQueryExecutionContext.ExecuteNextAsync(cancellationToken);
// This swaps the diagnostics in the context. This shows all the page reads between the previous ReadNextAsync and the current ReadNextAsync
diagnostics.AddDiagnosticsInternal(this.cosmosQueryContext.GetAndResetDiagnostics());
if (responseCore.IsSuccess)
{
List <CosmosElement> decryptedCosmosElements = null;
if (this.clientContext.ClientOptions.Encryptor != null)
{
decryptedCosmosElements = await this.GetDecryptedElementResponseAsync(responseCore.CosmosElements, diagnostics, cancellationToken);
}
return(QueryResponse.CreateSuccess(
result: decryptedCosmosElements ?? responseCore.CosmosElements,
count: responseCore.CosmosElements.Count,
responseLengthBytes: responseCore.ResponseLengthBytes,
diagnostics: diagnostics,
serializationOptions: this.cosmosSerializationFormatOptions,
responseHeaders: new CosmosQueryResponseMessageHeaders(
responseCore.ContinuationToken,
responseCore.DisallowContinuationTokenMessage,
this.cosmosQueryContext.ResourceTypeEnum,
this.cosmosQueryContext.ContainerResourceId)
{
RequestCharge = responseCore.RequestCharge,
ActivityId = responseCore.ActivityId,
SubStatusCode = responseCore.SubStatusCode ?? Documents.SubStatusCodes.Unknown
}));
}
if (responseCore.CosmosException != null)
{
return(responseCore.CosmosException.ToCosmosResponseMessage(null));
}
return(QueryResponse.CreateFailure(
statusCode: responseCore.StatusCode,
cosmosException: responseCore.CosmosException,
requestMessage: null,
diagnostics: diagnostics,
responseHeaders: new CosmosQueryResponseMessageHeaders(
responseCore.ContinuationToken,
responseCore.DisallowContinuationTokenMessage,
this.cosmosQueryContext.ResourceTypeEnum,
this.cosmosQueryContext.ContainerResourceId)
{
RequestCharge = responseCore.RequestCharge,
ActivityId = responseCore.ActivityId,
SubStatusCode = responseCore.SubStatusCode ?? Documents.SubStatusCodes.Unknown,
}));
}
}
public override async Task <ResponseMessage> ReadNextAsync(CancellationToken cancellationToken = default)
{
CosmosDiagnosticsContext diagnostics = new CosmosDiagnosticsContext();
using (diagnostics.CreateScope("QueryReadNextAsync"))
{
// This catches exception thrown by the pipeline and converts it to QueryResponse
QueryResponseCore responseCore = await this.cosmosQueryExecutionContext.ExecuteNextAsync(cancellationToken);
CosmosQueryContext cosmosQueryContext = this.cosmosQueryContext;
foreach (QueryPageDiagnostics queryPage in responseCore.Diagnostics)
{
diagnostics.Summary.Append(queryPage.DiagnosticsContext.Summary);
diagnostics.AddDiagnosticsInternal(queryPage);
}
QueryResponse queryResponse;
if (responseCore.IsSuccess)
{
queryResponse = QueryResponse.CreateSuccess(
result: responseCore.CosmosElements,
count: responseCore.CosmosElements.Count,
responseLengthBytes: responseCore.ResponseLengthBytes,
diagnostics: diagnostics,
serializationOptions: this.cosmosSerializationFormatOptions,
responseHeaders: new CosmosQueryResponseMessageHeaders(
responseCore.ContinuationToken,
responseCore.DisallowContinuationTokenMessage,
cosmosQueryContext.ResourceTypeEnum,
cosmosQueryContext.ContainerResourceId)
{
RequestCharge = responseCore.RequestCharge,
ActivityId = responseCore.ActivityId,
SubStatusCode = responseCore.SubStatusCode ?? Documents.SubStatusCodes.Unknown
});
}
else
{
queryResponse = QueryResponse.CreateFailure(
statusCode: responseCore.StatusCode,
error: null,
errorMessage: responseCore.ErrorMessage,
requestMessage: null,
diagnostics: diagnostics,
responseHeaders: new CosmosQueryResponseMessageHeaders(
responseCore.ContinuationToken,
responseCore.DisallowContinuationTokenMessage,
cosmosQueryContext.ResourceTypeEnum,
cosmosQueryContext.ContainerResourceId)
{
RequestCharge = responseCore.RequestCharge,
ActivityId = responseCore.ActivityId,
SubStatusCode = responseCore.SubStatusCode ?? Documents.SubStatusCodes.Unknown
});
}
return(queryResponse);
}
}
public static QueryResponse CreateSplitResponse(string collectionRid)
{
QueryResponse splitResponse = QueryResponse.CreateFailure(
new CosmosQueryResponseMessageHeaders(null, null, ResourceType.Document, collectionRid)
{
SubStatusCode = SubStatusCodes.PartitionKeyRangeGone,
ActivityId = Guid.NewGuid().ToString()
},
HttpStatusCode.Gone,
null,
"Partition split error",
null);
return(splitResponse);
}
//Retorna os dados de uma linha específica na tabela de banco de dados
public QueryResponse <T> GetSingleData <T>(DbCommand command)
{
try
{
using (DbCurrentConnection connection = new DbCurrentConnection(command))
{
connection.OpenConnection();
DbDataReader reader = command.ExecuteReader();
DataTable table = new DataTable();
table.Load(reader);
if (table.Rows.Count == 0)
{
return(QueryResponse <T> .CreateFailure("Registro não encontrado."));
}
T data = table.ConvertDataTable <T>().FirstOrDefault();
return(QueryResponse <T> .CreateSuccess(data, "Dados retornados com sucesso."));
}
}
catch (Exception ex)
{
return(QueryResponse <T> .CreateFailureException("Ocorreu um erro, contate o administrador.", ex));
}
}
public async Task TestItemProducerTreeWithFailure()
{
int callBackCount = 0;
Mock <CosmosQueryContext> mockQueryContext = new Mock <CosmosQueryContext>();
SqlQuerySpec sqlQuerySpec = new SqlQuerySpec("Select * from t");
PartitionKeyRange partitionKeyRange = new PartitionKeyRange {
Id = "0", MinInclusive = "A", MaxExclusive = "B"
};
Action <ItemProducerTree, int, double, QueryMetrics, long, CancellationToken> produceAsyncCompleteCallback = (
ItemProducerTree producer,
int itemsBuffered,
double resourceUnitUsage,
QueryMetrics queryMetrics,
long responseLengthBytes,
CancellationToken token) => { callBackCount++; };
Mock <IComparer <ItemProducerTree> > comparer = new Mock <IComparer <ItemProducerTree> >();
Mock <IEqualityComparer <CosmosElement> > cosmosElementComparer = new Mock <IEqualityComparer <CosmosElement> >();
CancellationTokenSource cancellationTokenSource = new CancellationTokenSource();
IEnumerable <CosmosElement> cosmosElements = new List <CosmosElement>()
{
new Mock <CosmosElement>(CosmosElementType.Object).Object
};
CosmosQueryResponseMessageHeaders headers = new CosmosQueryResponseMessageHeaders("TestToken", null)
{
ActivityId = "AA470D71-6DEF-4D61-9A08-272D8C9ABCFE",
RequestCharge = 42
};
mockQueryContext.Setup(x => x.ExecuteQueryAsync(sqlQuerySpec, cancellationTokenSource.Token, It.IsAny <Action <CosmosRequestMessage> >())).Returns(
Task.FromResult(QueryResponse.CreateSuccess(cosmosElements, 1, 500, headers)));
ItemProducerTree itemProducerTree = new ItemProducerTree(
queryContext: mockQueryContext.Object,
querySpecForInit: sqlQuerySpec,
partitionKeyRange: partitionKeyRange,
produceAsyncCompleteCallback: produceAsyncCompleteCallback,
itemProducerTreeComparer: comparer.Object,
equalityComparer: cosmosElementComparer.Object,
deferFirstPage: false,
collectionRid: "collectionRid",
initialContinuationToken: null,
initialPageSize: 50);
// Buffer to success responses
await itemProducerTree.BufferMoreDocumentsAsync(cancellationTokenSource.Token);
await itemProducerTree.BufferMoreDocumentsAsync(cancellationTokenSource.Token);
// Buffer a failure
mockQueryContext.Setup(x => x.ExecuteQueryAsync(sqlQuerySpec, cancellationTokenSource.Token, It.IsAny <Action <CosmosRequestMessage> >())).Returns(
Task.FromResult(QueryResponse.CreateFailure(headers, HttpStatusCode.InternalServerError, null, "Error message", null)));
await itemProducerTree.BufferMoreDocumentsAsync(cancellationTokenSource.Token);
// First item should be a success
var result = await itemProducerTree.MoveNextAsync(cancellationTokenSource.Token);
Assert.IsTrue(result.successfullyMovedNext);
Assert.IsNull(result.failureResponse);
Assert.IsTrue(itemProducerTree.HasMoreResults);
// Second item should be a success
result = await itemProducerTree.MoveNextAsync(cancellationTokenSource.Token);
Assert.IsTrue(result.successfullyMovedNext);
Assert.IsNull(result.failureResponse);
Assert.IsTrue(itemProducerTree.HasMoreResults);
// Third item should be a failure
result = await itemProducerTree.MoveNextAsync(cancellationTokenSource.Token);
Assert.IsFalse(result.successfullyMovedNext);
Assert.IsNotNull(result.failureResponse);
Assert.IsFalse(itemProducerTree.HasMoreResults);
// Try to buffer after failure. It should return the previous cached failure and not try to buffer again.
mockQueryContext.Setup(x => x.ExecuteQueryAsync(sqlQuerySpec, cancellationTokenSource.Token, It.IsAny <Action <CosmosRequestMessage> >())).
Throws(new Exception("Previous buffer failed. Operation should return original failure and not try again"));
await itemProducerTree.BufferMoreDocumentsAsync(cancellationTokenSource.Token);
Assert.IsFalse(result.successfullyMovedNext);
Assert.IsNotNull(result.failureResponse);
Assert.IsFalse(itemProducerTree.HasMoreResults);
}
public override async Task <ResponseMessage> ReadNextAsync(CancellationToken cancellationToken = default(CancellationToken))
{
// This catches exception thrown by the pipeline and converts it to QueryResponse
ResponseMessage response;
try
{
QueryResponseCore responseCore = await this.cosmosQueryExecutionContext.ExecuteNextAsync(cancellationToken);
CosmosQueryContext cosmosQueryContext = this.cosmosQueryExecutionContext.CosmosQueryContext;
QueryResponse queryResponse;
if (responseCore.IsSuccess)
{
queryResponse = QueryResponse.CreateSuccess(
result: responseCore.CosmosElements,
count: responseCore.CosmosElements.Count,
responseLengthBytes: responseCore.ResponseLengthBytes,
queryMetrics: responseCore.QueryMetrics,
responseHeaders: new CosmosQueryResponseMessageHeaders(
responseCore.ContinuationToken,
responseCore.DisallowContinuationTokenMessage,
cosmosQueryContext.ResourceTypeEnum,
cosmosQueryContext.ContainerResourceId)
{
RequestCharge = responseCore.RequestCharge,
ActivityId = responseCore.ActivityId
});
}
else
{
queryResponse = QueryResponse.CreateFailure(
statusCode: responseCore.StatusCode,
error: null,
errorMessage: responseCore.ErrorMessage,
requestMessage: null,
responseHeaders: new CosmosQueryResponseMessageHeaders(
responseCore.ContinuationToken,
responseCore.DisallowContinuationTokenMessage,
cosmosQueryContext.ResourceTypeEnum,
cosmosQueryContext.ContainerResourceId)
{
RequestCharge = responseCore.RequestCharge,
ActivityId = responseCore.ActivityId
});
}
if (responseCore.QueryMetrics != null && responseCore.QueryMetrics.Count > 0)
{
queryResponse.Diagnostics = new QueryOperationStatistics(responseCore.QueryMetrics);
}
queryResponse.CosmosSerializationOptions = cosmosQueryContext.QueryRequestOptions.CosmosSerializationFormatOptions;
response = queryResponse;
}
catch (Documents.DocumentClientException exception)
{
response = exception.ToCosmosResponseMessage(request: null);
}
catch (CosmosException exception)
{
response = exception.ToCosmosResponseMessage(request: null);
}
catch (AggregateException ae)
{
response = TransportHandler.AggregateExceptionConverter(ae, null);
if (response == null)
{
throw;
}
}
return(response);
}
