private static CosmosClientContext GetMockedClientContext(
Func <RequestMessage, CancellationToken, Task <ResponseMessage> > handlerFunc)
{
CosmosClient client = MockCosmosUtil.CreateMockCosmosClient();
Mock <PartitionRoutingHelper> partitionRoutingHelperMock = MockCosmosUtil.GetPartitionRoutingHelperMock("0");
PartitionKeyRangeHandler partitionKeyRangeHandler = new PartitionKeyRangeHandler(client, partitionRoutingHelperMock.Object);
TestHandler testHandler = new TestHandler(handlerFunc);
partitionKeyRangeHandler.InnerHandler = testHandler;
RequestHandler handler = client.RequestHandler.InnerHandler;
while (handler != null)
{
if (handler.InnerHandler is RouterHandler)
{
handler.InnerHandler = new RouterHandler(partitionKeyRangeHandler, testHandler);
break;
}
handler = handler.InnerHandler;
}
CosmosResponseFactory responseFactory = new CosmosResponseFactory(MockCosmosUtil.Serializer);
return(new ClientContextCore(
client: client,
clientOptions: new CosmosClientOptions(),
serializerCore: MockCosmosUtil.Serializer,
cosmosResponseFactory: responseFactory,
requestHandler: client.RequestHandler,
documentClient: new MockDocumentClient()));
}
public async Task VerifySendUsesOringianlContinuationOnNonSuccessfulResponse()
{
Mock <PartitionRoutingHelper> partitionRoutingHelperMock = this.GetPartitionRoutingHelperMock();
PartitionKeyRangeHandler partitionKeyRangeHandler = new PartitionKeyRangeHandler(MockCosmosUtil.CreateMockCosmosClient(), partitionRoutingHelperMock.Object);
TestHandler testHandler = new TestHandler(async(request, cancellationToken) => {
ResponseMessage errorResponse = await TestHandler.ReturnStatusCode(HttpStatusCode.Gone);
errorResponse.Headers.Remove(HttpConstants.HttpHeaders.Continuation); //Clobber original continuation
return(errorResponse);
});
partitionKeyRangeHandler.InnerHandler = testHandler;
//Pass valid collections path because it is required by DocumentServiceRequest's constructor. This can't be mocked because ToDocumentServiceRequest() is an extension method
RequestMessage initialRequest = new RequestMessage(HttpMethod.Get, new Uri($"{Paths.DatabasesPathSegment}/test/{Paths.CollectionsPathSegment}/test", UriKind.Relative));
initialRequest.OperationType = OperationType.ReadFeed;
initialRequest.Headers.Add(HttpConstants.HttpHeaders.Continuation, Continuation);
ResponseMessage response = await partitionKeyRangeHandler.SendAsync(initialRequest, CancellationToken.None);
Assert.IsFalse(response.IsSuccessStatusCode);
Assert.AreEqual(System.Net.HttpStatusCode.Gone, response.StatusCode);
//Check if original continuation was restored
Assert.AreEqual(Continuation, response.Headers.GetValues(HttpConstants.HttpHeaders.Continuation).First());
Assert.AreEqual(Continuation, initialRequest.Headers.GetValues(HttpConstants.HttpHeaders.Continuation).First());
}
private static CosmosClientContext GetMockedClientContext(
Func <RequestMessage, CancellationToken, Task <ResponseMessage> > handlerFunc)
{
CosmosClient client = MockCosmosUtil.CreateMockCosmosClient();
CosmosClientContext clientContext = ClientContextCore.Create(
client,
new MockDocumentClient(),
new CosmosClientOptions());
Mock <PartitionRoutingHelper> partitionRoutingHelperMock = MockCosmosUtil.GetPartitionRoutingHelperMock("0");
PartitionKeyRangeHandler partitionKeyRangeHandler = new PartitionKeyRangeHandler(client, partitionRoutingHelperMock.Object);
TestHandler testHandler = new TestHandler(handlerFunc);
partitionKeyRangeHandler.InnerHandler = testHandler;
RequestHandler handler = clientContext.RequestHandler.InnerHandler;
while (handler != null)
{
if (handler.InnerHandler is RouterHandler)
{
handler.InnerHandler = new RouterHandler(partitionKeyRangeHandler, testHandler);
break;
}
handler = handler.InnerHandler;
}
return(clientContext);
}
public async Task VerifySendUsesOringianlContinuationOnDocumentClientExceptionAfterRetry()
{
Mock <PartitionRoutingHelper> partitionRoutingHelperMock = this.GetPartitionRoutingHelperMock();
//throw a DocumentClientException
partitionRoutingHelperMock.Setup(m => m.TryAddPartitionKeyRangeToContinuationTokenAsync(
It.IsAny <INameValueCollection>(),
It.IsAny <List <Range <string> > >(),
It.IsAny <IRoutingMapProvider>(),
It.Is <string>(x => x == CollectionId),
It.IsAny <ResolvedRangeInfo>(),
It.IsAny <ITrace>(),
It.IsAny <RntbdConstants.RntdbEnumerationDirection>()
)).ThrowsAsync(new DocumentClientException("error", HttpStatusCode.ServiceUnavailable, SubStatusCodes.Unknown));
PartitionKeyRangeHandler partitionKeyRangeHandler = new PartitionKeyRangeHandler(MockCosmosUtil.CreateMockCosmosClient(), partitionRoutingHelperMock.Object);
TestHandler testHandler = new TestHandler(async(request, cancellationToken) =>
{
ResponseMessage successResponse = await TestHandler.ReturnSuccess();
successResponse.Headers.Remove(HttpConstants.HttpHeaders.Continuation); //Clobber original continuation
return(successResponse);
});
partitionKeyRangeHandler.InnerHandler = testHandler;
//Pass valid collections path because it is required by DocumentServiceRequest's constructor. This can't be mocked because ToDocumentServiceRequest() is an extension method
RequestMessage initialRequest = new RequestMessage(HttpMethod.Get, new Uri($"{Paths.DatabasesPathSegment}/test/{Paths.CollectionsPathSegment}/test", UriKind.Relative))
{
OperationType = OperationType.ReadFeed
};
initialRequest.Headers.Add(HttpConstants.HttpHeaders.Continuation, Continuation);
ResponseMessage response = await partitionKeyRangeHandler.SendAsync(initialRequest, CancellationToken.None);
Assert.IsFalse(response.IsSuccessStatusCode);
Assert.AreEqual(System.Net.HttpStatusCode.ServiceUnavailable, response.StatusCode);
//Check if original continuation was restored
Assert.AreEqual(Continuation, response.Headers.GetValues(HttpConstants.HttpHeaders.Continuation).First());
Assert.AreEqual(Continuation, initialRequest.Headers.GetValues(HttpConstants.HttpHeaders.Continuation).First());
}
