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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.Linq.Expressions;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Routing;
using Microsoft.AspNetCore.Routing.Patterns;
using Moq;
using Xunit;
namespace Microsoft.AspNetCore.Builder
{
public class RequestDelegateEndpointRouteBuilderExtensionsTest
{
private ModelEndpointDataSource GetBuilderEndpointDataSource(IEndpointRouteBuilder endpointRouteBuilder)
{
return Assert.IsType<ModelEndpointDataSource>(Assert.Single(endpointRouteBuilder.DataSources));
}
private RouteEndpointBuilder GetRouteEndpointBuilder(IEndpointRouteBuilder endpointRouteBuilder)
{
return Assert.IsType<RouteEndpointBuilder>(Assert.Single(GetBuilderEndpointDataSource(endpointRouteBuilder).EndpointBuilders));
}
public static object[][] MapMethods
{
get
{
IEndpointConventionBuilder MapGet(IEndpointRouteBuilder routes, string template, RequestDelegate action) =>
routes.MapGet(template, action);
IEndpointConventionBuilder MapPost(IEndpointRouteBuilder routes, string template, RequestDelegate action) =>
routes.MapPost(template, action);
IEndpointConventionBuilder MapPut(IEndpointRouteBuilder routes, string template, RequestDelegate action) =>
routes.MapPut(template, action);
IEndpointConventionBuilder MapDelete(IEndpointRouteBuilder routes, string template, RequestDelegate action) =>
routes.MapDelete(template, action);
IEndpointConventionBuilder Map(IEndpointRouteBuilder routes, string template, RequestDelegate action) =>
routes.Map(template, action);
return new object[][]
{
new object[] { (Func<IEndpointRouteBuilder, string, RequestDelegate, IEndpointConventionBuilder>)MapGet },
new object[] { (Func<IEndpointRouteBuilder, string, RequestDelegate, IEndpointConventionBuilder>)MapPost },
new object[] { (Func<IEndpointRouteBuilder, string, RequestDelegate, IEndpointConventionBuilder>)MapPut },
new object[] { (Func<IEndpointRouteBuilder, string, RequestDelegate, IEndpointConventionBuilder>)MapDelete },
new object[] { (Func<IEndpointRouteBuilder, string, RequestDelegate, IEndpointConventionBuilder>)Map },
};
}
}
[Fact]
public void MapEndpoint_StringPattern_BuildsEndpoint()
{
// Arrange
var builder = new DefaultEndpointRouteBuilder(Mock.Of<IApplicationBuilder>());
RequestDelegate requestDelegate = (d) => null;
// Act
var endpointBuilder = builder.Map("/", requestDelegate);
// Assert
var endpointBuilder1 = GetRouteEndpointBuilder(builder);
Assert.Equal(requestDelegate, endpointBuilder1.RequestDelegate);
Assert.Equal("/", endpointBuilder1.DisplayName);
Assert.Equal("/", endpointBuilder1.RoutePattern.RawText);
}
[Fact]
public void MapEndpoint_TypedPattern_BuildsEndpoint()
{
// Arrange
var builder = new DefaultEndpointRouteBuilder(Mock.Of<IApplicationBuilder>());
RequestDelegate requestDelegate = (d) => null;
// Act
var endpointBuilder = builder.Map(RoutePatternFactory.Parse("/"), requestDelegate);
// Assert
var endpointBuilder1 = GetRouteEndpointBuilder(builder);
Assert.Equal(requestDelegate, endpointBuilder1.RequestDelegate);
Assert.Equal("/", endpointBuilder1.DisplayName);
Assert.Equal("/", endpointBuilder1.RoutePattern.RawText);
}
[Fact]
public void MapEndpoint_AttributesCollectedAsMetadata()
{
// Arrange
var builder = new DefaultEndpointRouteBuilder(Mock.Of<IApplicationBuilder>());
// Act
var endpointBuilder = builder.Map(RoutePatternFactory.Parse("/"), Handle);
// Assert
var endpointBuilder1 = GetRouteEndpointBuilder(builder);
Assert.Equal("/", endpointBuilder1.RoutePattern.RawText);
Assert.Equal(2, endpointBuilder1.Metadata.Count);
Assert.IsType<Attribute1>(endpointBuilder1.Metadata[0]);
Assert.IsType<Attribute2>(endpointBuilder1.Metadata[1]);
}
[Fact]
public void MapEndpoint_GeneratedDelegateWorks()
{
// Arrange
var builder = new DefaultEndpointRouteBuilder(Mock.Of<IApplicationBuilder>());
Expression<RequestDelegate> handler = context => Task.CompletedTask;
// Act
var endpointBuilder = builder.Map(RoutePatternFactory.Parse("/"), handler.Compile());
// Assert
var endpointBuilder1 = GetRouteEndpointBuilder(builder);
Assert.Equal("/", endpointBuilder1.RoutePattern.RawText);
}
[Fact]
public void MapEndpoint_PrecedenceOfMetadata_BuilderMetadataReturned()
{
// Arrange
var builder = new DefaultEndpointRouteBuilder(Mock.Of<IApplicationBuilder>());
// Act
var endpointBuilder = builder.MapMethods("/", new[] { "METHOD" }, HandleHttpMetdata);
endpointBuilder.WithMetadata(new HttpMethodMetadata(new[] { "BUILDER" }));
// Assert
var dataSource = Assert.Single(builder.DataSources);
var endpoint = Assert.Single(dataSource.Endpoints);
Assert.Equal(3, endpoint.Metadata.Count);
Assert.Equal("ATTRIBUTE", GetMethod(endpoint.Metadata[0]));
Assert.Equal("METHOD", GetMethod(endpoint.Metadata[1]));
Assert.Equal("BUILDER", GetMethod(endpoint.Metadata[2]));
Assert.Equal("BUILDER", endpoint.Metadata.GetMetadata<IHttpMethodMetadata>().HttpMethods.Single());
string GetMethod(object metadata)
{
var httpMethodMetadata = Assert.IsAssignableFrom<IHttpMethodMetadata>(metadata);
return Assert.Single(httpMethodMetadata.HttpMethods);
}
}
[Theory]
[MemberData(nameof(MapMethods))]
public void Map_EndpointMetadataNotDuplicated(Func<IEndpointRouteBuilder, string, RequestDelegate, IEndpointConventionBuilder> map)
{
// Arrange
var builder = new DefaultEndpointRouteBuilder(Mock.Of<IApplicationBuilder>());
// Act
var endpointBuilder = map(builder, "/", context => Task.CompletedTask).WithMetadata(new EndpointNameMetadata("MapMe"));
// Assert
var ds = GetBuilderEndpointDataSource(builder);
_ = ds.Endpoints;
_ = ds.Endpoints;
_ = ds.Endpoints;
Assert.Single(ds.Endpoints);
var endpoint = ds.Endpoints.Single();
Assert.Single(endpoint.Metadata.GetOrderedMetadata<IEndpointNameMetadata>());
}
[Theory]
[MemberData(nameof(MapMethods))]
public void AddingMetadataAfterBuildingEndpointThrows(Func<IEndpointRouteBuilder, string, RequestDelegate, IEndpointConventionBuilder> map)
{
// Arrange
var builder = new DefaultEndpointRouteBuilder(Mock.Of<IApplicationBuilder>());
// Act
var endpointBuilder = map(builder, "/", context => Task.CompletedTask).WithMetadata(new EndpointNameMetadata("MapMe"));
// Assert
var ds = GetBuilderEndpointDataSource(builder);
var endpoint = Assert.Single(ds.Endpoints);
Assert.Single(endpoint.Metadata.GetOrderedMetadata<IEndpointNameMetadata>());
Assert.Throws<InvalidOperationException>(() => endpointBuilder.WithMetadata(new RouteNameMetadata("Foo")));
}
[Attribute1]
[Attribute2]
private static Task Handle(HttpContext context) => Task.CompletedTask;
[HttpMethod("ATTRIBUTE")]
private static Task HandleHttpMetdata(HttpContext context) => Task.CompletedTask;
private class HttpMethodAttribute : Attribute, IHttpMethodMetadata
{
public bool AcceptCorsPreflight => false;
public IReadOnlyList<string> HttpMethods { get; }
public HttpMethodAttribute(params string[] httpMethods)
{
HttpMethods = httpMethods;
}
}
private class Attribute1 : Attribute
{
}
private class Attribute2 : Attribute
{
}
}
}
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