/// <summary>
/// Puts payload in a batch request.
/// </summary>
/// <typeparam name="T">T must be a PayloadTestDescriptor.</typeparam>
/// <param name="originalPayload">Payload to put into batch.</param>
/// <param name="verb">HttpVerb associated with payload.</param>
/// <param name="random">Use of random makes this method non deterministic.</param>
/// <param name="requestManager">Used to construct requests.</param>
/// <param name="operationsBefore">Number of operations/changesets to go before payload.</param>
/// <param name="operationsAfter">Number of operations/changesets to go after payload.</param>
/// <param name="version">Maximum version for extra payloads</param>
/// <returns>The test descriptor for the new BatchRequestPayload</returns>
public static T InBatchRequest <T>(
this T originalPayload,
HttpVerb verb,
IRandomNumberGenerator random,
IODataRequestManager requestManager,
int operationsBefore = 0,
int operationsAfter = 0,
ODataVersion version = ODataVersion.V4
) where T : PayloadTestDescriptor
{
ExceptionUtilities.CheckArgumentNotNull(originalPayload, "originalPayload");
ExceptionUtilities.CheckArgumentNotNull(verb, "verb");
ExceptionUtilities.CheckArgumentNotNull(random, "random");
ExceptionUtilities.CheckArgumentNotNull(requestManager, "requestManager");
var payload = (T)originalPayload.Clone();
var baseUri = new ODataUri(ODataUriBuilder.Root(new Uri("http://www.odata.org/service.svc")));
IMimePart[] extraOperations = BatchUtils.ExtraRequestChangesets(random, requestManager, (EdmModel)payload.PayloadEdmModel, baseUri, version); // add extraChangesets methods
extraOperations.Concat(BatchUtils.ExtraRequestChangesets(random, requestManager, (EdmModel)payload.PayloadEdmModel, baseUri, version));
//Work out the operations and changesets to go before the payload
var parts = Enumerable.Range(0, operationsBefore).Select(i => random.ChooseFrom(extraOperations));
if (verb != HttpVerb.Get)
{
extraOperations.ConcatSingle(payload.InRequestOperation(HttpVerb.Get, baseUri, requestManager));
}
else
{
extraOperations.ConcatSingle(payload.InRequestChangeset(verb, random, requestManager, random.NextFromRange(0, 2), random.NextFromRange(0, 2), version));
}
parts.Concat(Enumerable.Range(0, operationsAfter).Select(i => random.ChooseFrom(extraOperations)));
var batchRequest = new BatchRequestPayload();
foreach (var part in parts)
{
IHttpRequest operation = part as IHttpRequest;
if (operation != null)
{
batchRequest.Add(operation.AsBatchFragment());
}
BatchRequestChangeset changeset = part as BatchRequestChangeset;
if (changeset != null)
{
batchRequest.Add(changeset);
}
}
//payload.PayloadEdmModel.Fixup();
payload.PayloadElement = batchRequest;
return(payload);
}
/// <summary>
/// Wraps the given request with default content-type and transfer-encoding headers so that it can be added to a batch
/// </summary>
/// <param name="request">The request</param>
/// <returns>The fragment with default values for its batch-specific headers</returns>
public static MimePartData <IHttpRequest> AsBatchFragment(this IHttpRequest request)
{
return(request.AsBatchFragment <IHttpRequest>());
}