[FromBody] attribute support for routeless integration testing

fixes #645

Src/Directory.Build.props

@@ -1,7 +1,7 @@
 <Project>
  <PropertyGroup>
 
- <Version>5.23.0.9-beta</Version>
+ <Version>5.23.0.10-beta</Version>
 
  <TargetFrameworks>net6.0;net7.0;net8.0</TargetFrameworks>
  <LangVersion>latest</LangVersion>

Src/Library/Binder/RequestBinder.cs

@@ -1,13 +1,13 @@
-using FluentValidation.Results;
-using Microsoft.AspNetCore.Http;
-using Microsoft.AspNetCore.Routing;
-using Microsoft.Extensions.Primitives;
-using System.Linq.Expressions;
+using System.Linq.Expressions;
 using System.Reflection;
 using System.Security.Claims;
 using System.Text.Json;
 using System.Text.Json.Nodes;
 using System.Text.Json.Serialization;
+using FluentValidation.Results;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Routing;
+using Microsoft.Extensions.Primitives;
 using static FastEndpoints.Config;
 
 namespace FastEndpoints;
@@ -204,7 +204,7 @@ public virtual async ValueTask<TRequest> BindAsync(BinderContext ctx, Cancellati
 
  static async ValueTask<TRequest> BindJsonBody(HttpRequest httpRequest, JsonSerializerContext? serializerCtx, CancellationToken cancellation)
  {
- if (_fromBodyProp is null)
+ if (_fromBodyProp is null || httpRequest.Headers.ContainsKey(Constants.RoutelessTest))
  return (TRequest)(await SerOpts.RequestDeserializer(httpRequest, _tRequest, serializerCtx, cancellation) ?? InitDto());
 
  var req = InitDto();

Src/Library/Constants.cs

@@ -9,4 +9,6 @@ static class Constants
  internal const string AcceptsMetaData = "AcceptsMetadata";
 
  internal const string QueryJsonNodeName = "QueryNode";
+
+ internal const string RoutelessTest = "_RoutelessTest_";
 }

Src/Library/Testing/HttpClientExtensions.cs

@@ -292,6 +292,7 @@ public static class HttpClientExtensions
  var rsp = await client.SendAsync(
  new()
  {
+ Headers = { { Constants.RoutelessTest, "true" } },
  Method = method,
  RequestUri = new($"{client.BaseAddress}{requestUri.TrimStart('/')}"),
  Content = sendAsFormData is true

Src/Library/changelog.md

@@ -20,6 +20,7 @@ FastEndpoints needs sponsorship to [sustain the project](https://github.com/Fast
 - `PreSetupAsync()` for `AppFixture` to allow async work that contributes to WAF creation. (https://discord.com/channels/933662816458645504/1214837140983123979/1215538377521365053)
 - automatically rewind request body with `IPlainTextRequest` if `EnableBuffering()` is used. (https://github.com/FastEndpoints/FastEndpoints/issues/631)
 - filter out illegal header names from being created as request parameters in swagger. (https://github.com/FastEndpoints/FastEndpoints/issues/615)
+- implement `[FromBody]` attribute support for routeless integration testing. (https://github.com/FastEndpoints/FastEndpoints/issues/645)
 - upgrade dependencies to latest
 
 ## Fixes 🪲

Tests/IntegrationTests/FastEndpoints/BindingTests/BindingTests.cs

@@ -737,13 +737,16 @@ public async Task FromBodyJsonBinding()
  {
  var (rsp, res) = await App.CustomerClient.POSTAsync<
  TestCases.FromBodyJsonBinding.Endpoint,
- Product,
+ TestCases.FromBodyJsonBinding.Request,
  TestCases.FromBodyJsonBinding.Response>(
  new()
  {
- Id = 202,
- Name = "test product",
- Price = 200.10m
+ Product = new()
+ {
+ Id = 202,
+ Name = "test product",
+ Price = 200.10m
+ }
  });
 
  rsp.StatusCode.Should().Be(HttpStatusCode.OK);
@@ -759,13 +762,16 @@ public async Task FromBodyJsonBindingValidationError()
  {
  var (rsp, res) = await App.CustomerClient.POSTAsync<
  TestCases.FromBodyJsonBinding.Endpoint,
- Product,
+ TestCases.FromBodyJsonBinding.Request,
  ErrorResponse>(
  new()
  {
- Id = 202,
- Name = "test product",
- Price = 10.10m
+ Product = new()
+ {
+ Id = 202,
+ Name = "test product",
+ Price = 10.10m
+ }
  });
 
  rsp.StatusCode.Should().Be(HttpStatusCode.BadRequest);