async Task WontBufferInMemoryIfContentLengthHeaderIsSet()
{
var header = new HttpResponseHeader();
header["content-length"] = "100";
var mockResponse = new Mock <IHttpResponse>();
mockResponse.Setup(inst => inst.Header).Returns(header);
var mockStream = new MemoryStream();
var body = new HttpResponseBody(
mockStream,
TcpSettings.Default,
HttpSettings.Default,
mockResponse.Object
);
// Write 99 at the end
await body.WriteAsync(new byte[] { 0x99 }, 1024);
// Now verify that the response stream got 99 at the end,
// as we set the content-length, data must go directly to the response stream
// and won't buffered in memory.
Assert.True(mockStream.ToArray().Last() == 0x99);
}
static async Task PerformWriteIntoBody(
bool endResponseBodyByDisposingIt,
HttpSettings httpSettings,
MemoryStream senderData,
Mock <IHttpResponse> mockHttpResponse,
MemoryStream receiverData,
int writeBufferSize = 4096)
{
var body = new HttpResponseBody(
receiverData,
TcpSettings.Default,
httpSettings,
mockHttpResponse.Object);
await senderData.CopyToAsync(body, writeBufferSize);
if (endResponseBodyByDisposingIt)
{
body.Dispose();
}
else
{
await body.CompleteAsync();
}
}
async Task LogWarningIfWriteLessThanPromisedEncodingOnDisposeMethod()
{
// Mockup
MockUp(10000,
out HttpSettings httpSettings,
out MemoryStream senderData,
out Mock <IHttpResponse> mockHttpResponse,
out MemoryStream receiverData,
out HttpResponseHeader responseHeader);
var logger = new Mock <ILogger>();
responseHeader["content-length"] = 10001.ToString(CultureInfo.InvariantCulture);
// Begin test
using (var body = new HttpResponseBody(
receiverData,
TcpSettings.Default,
httpSettings,
mockHttpResponse.Object,
logger.Object))
{
await senderData.CopyToAsync(body);
}
// Check logger
logger.Verify(
l => l.Warn(It.IsAny <string>(), It.Is <Exception>(e => e is InvalidOperationException)),
Times.Once);
}
async Task UseChunkedEncodingWhenExplicitlySetInHeader()
{
// Mockup
MockUp(2000 /* We'll send only 2000 bytes so it won't overflow
* the internal buffer, and won't force chunked encoder tobe used. */,
out HttpSettings httpSettings,
out MemoryStream senderData,
out Mock <IHttpResponse> mockHttpResponse,
out MemoryStream receiverData,
out HttpResponseHeader responseHeader);
responseHeader[HttpKeys.TransferEncoding] = "chunked";
// Begin test
using (var body = new HttpResponseBody(
receiverData,
TcpSettings.Default,
httpSettings,
mockHttpResponse.Object))
{
await senderData.CopyToAsync(body, 4096);
}
// Test decode
await VerifyReceivedChunkedMessage(senderData, receiverData);
}
public static async Task <IActionResult> Post(
[HttpTrigger(AuthorizationLevel.Anonymous, "post", Route = "book")] HttpRequestMessage req,
[Inject] IBookService bookservice, [Inject] IMetaDataService metaDataService, [Inject] IValidator <Book> bookValidator)
{
HttpResponseBody <BookModel> body = await req.GetBodyAsync <BookModel>();
// Convert DTO to Entity.
Book entity = Mapper.Map <Book>(body.Value);
entity.CreatedDate = DateTime.UtcNow;
entity.UpdatedDate = DateTime.UtcNow;
var validationResult = bookValidator.Validate(body.Value);
if (!validationResult.IsValid)
{
return(new BadRequestObjectResult(validationResult));
}
// Save entity in db, can also check GUID is unique or not, because GUID is not cryptographically unique, for now it is fine.
await bookservice.InsertBookAsync(entity);
// If we comes here, means Success
return(new CreatedResult($"/book/{entity.BookId}", Mapper.Map <BookDTO>(entity)));
}
public static async Task <IActionResult> Patch(
[HttpTrigger(AuthorizationLevel.Anonymous, "patch", Route = "book/{id}")] HttpRequestMessage req,
[Inject] IBookService bookservice, [Inject] IMetaDataService metaDataService, string id, [Inject] IValidator <Book> bookValidator)
{
Guid bookUniqueIdentifier;
if (!Guid.TryParse(id, out bookUniqueIdentifier))
{
return(new BadRequestObjectResult(new Error("400", $"Invalid book id supplied. Book id: {id}.")));
}
Book book = await bookservice.GetBookAsync(id);
if (book == null)
{
return(new NotFoundObjectResult(new Error("404", $"Cannot find book with id {id}.")));
}
HttpResponseBody <JsonPatchDocument <Book> > body = await req.GetBodyAsync <JsonPatchDocument <Book> >();
body.Value.ApplyTo(book);
book.UpdatedDate = DateTime.UtcNow;
var validationResult = bookValidator.Validate(book);
if (!validationResult.IsValid)
{
return(new BadRequestObjectResult(validationResult));
}
await bookservice.UpdateBookAsync(book);
return(new OkObjectResult("Updated"));
}
public void can_get_raw_xml_document()
{
var context = StubHttpContext.Empty();
var serializer = new XmlSerializer(typeof(MyMessage));
serializer.Serialize(context.Response.Body, new MyMessage {
Age = 3, Name = "Declan"
});
context.Response.Body.Position = 0;
var body = new HttpResponseBody(null, context);
var root = body.ReadAsXml();
root.DocumentElement["Name"].InnerText.ShouldBe("Declan");
}
public void can_parse_xml()
{
var context = StubHttpContext.Empty();
var serializer = new XmlSerializer(typeof(MyMessage));
serializer.Serialize(context.Response.Body, new MyMessage {
Age = 3, Name = "Declan"
});
context.Response.Body.Position = 0;
var body = new HttpResponseBody(null, context);
var message = body.ReadAsXml <MyMessage>();
message.Name.ShouldBe("Declan");
}
public static async Task <HttpResponseBody <T> > GetBodyAsync <T>(this HttpRequest request)
{
var body = new HttpResponseBody <T>();
var bodyString = await request.ReadAsStringAsync();
var results = new List <ValidationResult>();
try
{
body.Value = JsonConvert.DeserializeObject <T>(bodyString);
body.IsValid = Validator.TryValidateObject(body.Value, new ValidationContext(body.Value, null, null), results, true);
}
catch (System.Exception ex)
{
results.Add(new ValidationResult($"Invalid Json was sent: {ex.Message}"));
}
body.ValidationResults = results;
return(body);
}
async Task CanUseDisposeAndCompleteTogether()
{
// Mockup
MockUp(10000,
out HttpSettings httpSettings,
out MemoryStream senderData,
out Mock <IHttpResponse> mockHttpResponse,
out MemoryStream receiverData,
out HttpResponseHeader responseHeader);
// Begin test
using (var body = new HttpResponseBody(
receiverData,
TcpSettings.Default,
httpSettings,
mockHttpResponse.Object))
{
await senderData.CopyToAsync(body, 4096);
await body.CompleteAsync();
}
await VerifyReceivedChunkedMessage(senderData, receiverData);
}
