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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.Threading.Tasks;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Routing;
using Microsoft.Extensions.DependencyInjection;
using Moq;
using Xunit;
namespace Microsoft.AspNetCore.Builder
{
public class RoutingBuilderExtensionsTest
{
[Fact]
public void UseRouter_ThrowsInvalidOperationException_IfRoutingMarkerServiceIsNotRegistered()
{
// Arrange
var applicationBuilderMock = new Mock<IApplicationBuilder>();
applicationBuilderMock
.Setup(s => s.ApplicationServices)
.Returns(Mock.Of<IServiceProvider>());
var router = Mock.Of<IRouter>();
// Act & Assert
var exception = Assert.Throws<InvalidOperationException>(
() => applicationBuilderMock.Object.UseRouter(router));
Assert.Equal(
"Unable to find the required services. Please add all the required services by calling " +
"'IServiceCollection.AddRouting' inside the call to 'ConfigureServices(...)'" +
" in the application startup code.",
exception.Message);
}
[Fact]
public void UseRouter_IRouter_ThrowsWithoutCallingAddRouting()
{
// Arrange
var app = new ApplicationBuilder(Mock.Of<IServiceProvider>());
// Act
var ex = Assert.Throws<InvalidOperationException>(() => app.UseRouter(Mock.Of<IRouter>()));
// Assert
Assert.Equal(
"Unable to find the required services. " +
"Please add all the required services by calling 'IServiceCollection.AddRouting' " +
"inside the call to 'ConfigureServices(...)' in the application startup code.",
ex.Message);
}
[Fact]
public void UseRouter_Action_ThrowsWithoutCallingAddRouting()
{
// Arrange
var app = new ApplicationBuilder(Mock.Of<IServiceProvider>());
// Act
var ex = Assert.Throws<InvalidOperationException>(() => app.UseRouter(b => { }));
// Assert
Assert.Equal(
"Unable to find the required services. " +
"Please add all the required services by calling 'IServiceCollection.AddRouting' " +
"inside the call to 'ConfigureServices(...)' in the application startup code.",
ex.Message);
}
[Fact]
public async Task UseRouter_IRouter_CallsRoute()
{
// Arrange
var services = CreateServices();
var app = new ApplicationBuilder(services);
var router = new Mock<IRouter>(MockBehavior.Strict);
router
.Setup(r => r.RouteAsync(It.IsAny<RouteContext>()))
.Returns(Task.CompletedTask)
.Verifiable();
app.UseRouter(router.Object);
var appFunc = app.Build();
// Act
await appFunc(new DefaultHttpContext());
// Assert
router.Verify();
}
[Fact]
public async Task UseRouter_Action_CallsRoute()
{
// Arrange
var services = CreateServices();
var app = new ApplicationBuilder(services);
var router = new Mock<IRouter>(MockBehavior.Strict);
router
.Setup(r => r.RouteAsync(It.IsAny<RouteContext>()))
.Returns(Task.CompletedTask)
.Verifiable();
app.UseRouter(b =>
{
b.Routes.Add(router.Object);
});
var appFunc = app.Build();
// Act
await appFunc(new DefaultHttpContext());
// Assert
router.Verify();
}
private IServiceProvider CreateServices()
{
var services = new ServiceCollection();
services.AddLogging();
services.AddOptions();
services.AddRouting();
return services.BuildServiceProvider();
}
}
}
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