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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.DependencyInjection;
using Xunit;
namespace Microsoft.AspNetCore.Owin;
using AddMiddleware = Action<Func<
Func<IDictionary<string, object>, Task>,
Func<IDictionary<string, object>, Task>
>>;
using AppFunc = Func<IDictionary<string, object>, Task>;
using CreateMiddleware = Func<
Func<IDictionary<string, object>, Task>,
Func<IDictionary<string, object>, Task>
>;
public class OwinExtensionTests
{
static readonly AppFunc notFound = env => new Task(() => { env["owin.ResponseStatusCode"] = 404; });
[Fact]
public async Task OwinConfigureServiceProviderAddsServices()
{
var list = new List<CreateMiddleware>();
AddMiddleware build = list.Add;
IServiceProvider serviceProvider = null;
FakeService fakeService = null;
var builder = build.UseBuilder(applicationBuilder =>
{
serviceProvider = applicationBuilder.ApplicationServices;
applicationBuilder.Run(context =>
{
fakeService = context.RequestServices.GetService<FakeService>();
return Task.FromResult(0);
});
},
new ServiceCollection().AddSingleton(new FakeService()).BuildServiceProvider());
list.Reverse();
await list
.Aggregate(notFound, (next, middleware) => middleware(next))
.Invoke(new Dictionary<string, object>());
Assert.NotNull(serviceProvider);
Assert.NotNull(serviceProvider.GetService<FakeService>());
Assert.NotNull(fakeService);
}
[Fact]
public async Task OwinDefaultNoServices()
{
var list = new List<CreateMiddleware>();
AddMiddleware build = list.Add;
IServiceProvider expectedServiceProvider = new ServiceCollection().BuildServiceProvider();
IServiceProvider serviceProvider = null;
FakeService fakeService = null;
bool builderExecuted = false;
bool applicationExecuted = false;
var builder = build.UseBuilder(applicationBuilder =>
{
builderExecuted = true;
serviceProvider = applicationBuilder.ApplicationServices;
applicationBuilder.Run(context =>
{
applicationExecuted = true;
fakeService = context.RequestServices.GetService<FakeService>();
return Task.FromResult(0);
});
},
expectedServiceProvider);
list.Reverse();
await list
.Aggregate(notFound, (next, middleware) => middleware(next))
.Invoke(new Dictionary<string, object>());
Assert.True(builderExecuted);
Assert.Equal(expectedServiceProvider, serviceProvider);
Assert.True(applicationExecuted);
Assert.Null(fakeService);
}
[Fact]
public async Task OwinDefaultNullServiceProvider()
{
var list = new List<CreateMiddleware>();
AddMiddleware build = list.Add;
IServiceProvider serviceProvider = null;
FakeService fakeService = null;
bool builderExecuted = false;
bool applicationExecuted = false;
var builder = build.UseBuilder(applicationBuilder =>
{
builderExecuted = true;
serviceProvider = applicationBuilder.ApplicationServices;
applicationBuilder.Run(context =>
{
applicationExecuted = true;
fakeService = context.RequestServices.GetService<FakeService>();
return Task.FromResult(0);
});
});
list.Reverse();
await list
.Aggregate(notFound, (next, middleware) => middleware(next))
.Invoke(new Dictionary<string, object>());
Assert.True(builderExecuted);
Assert.NotNull(serviceProvider);
Assert.True(applicationExecuted);
Assert.Null(fakeService);
}
[Fact]
public async Task UseOwin()
{
var serviceProvider = new ServiceCollection().BuildServiceProvider();
var builder = new ApplicationBuilder(serviceProvider);
IDictionary<string, object> environment = null;
var context = new DefaultHttpContext();
builder.UseOwin(addToPipeline =>
{
addToPipeline(next =>
{
Assert.NotNull(next);
return async env =>
{
environment = env;
await next(env);
};
});
});
await builder.Build().Invoke(context);
// Dictionary contains context but does not contain "websocket.Accept" or "websocket.AcceptAlt" keys.
Assert.NotNull(environment);
var value = Assert.Single(
environment,
kvp => string.Equals(typeof(HttpContext).FullName, kvp.Key, StringComparison.Ordinal))
.Value;
Assert.Equal(context, value);
Assert.False(environment.ContainsKey("websocket.Accept"));
Assert.False(environment.ContainsKey("websocket.AcceptAlt"));
}
private class FakeService
{
}
}
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