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Add WireMock.Net.AspNetCore.Middleware (#1175)
* Add WireMock.Net.AspNetCore.Middleware * . * WireMock.Net.Middleware.Tests * . * X-WireMock-Response-Delay
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| using WireMock.Net.AspNetCore.Middleware; | ||
| using WireMock.RequestBuilders; | ||
| using WireMock.ResponseBuilders; | ||
|
|
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| var builder = WebApplication.CreateBuilder(args); | ||
|
|
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| if (!builder.Environment.IsProduction()) | ||
| { | ||
| builder.Services.AddWireMockService(server => | ||
| { | ||
| server.Given(Request.Create() | ||
| .WithPath("/test1") | ||
| .UsingAnyMethod() | ||
| ).RespondWith(Response.Create() | ||
| .WithBody("1 : WireMock.Net !") | ||
| ); | ||
| server.Given(Request.Create() | ||
| .WithPath("/test2") | ||
| .UsingAnyMethod() | ||
| ).RespondWith(Response.Create() | ||
| .WithBody("2 : WireMock.Net !") | ||
| ); | ||
| }, true); | ||
| } | ||
|
|
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| var app = builder.Build(); | ||
|
|
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| app.MapGet("/weatherforecast", async (HttpClient client) => | ||
| { | ||
| var result = await client.GetStringAsync("https://real-api:12345/test1"); | ||
| return Enumerable.Range(1, 3).Select(index => | ||
| new WeatherForecast | ||
| ( | ||
| DateOnly.FromDateTime(DateTime.Now.AddDays(index)), | ||
| Random.Shared.Next(-20, 55), | ||
| result | ||
| )); | ||
| }); | ||
|
|
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| app.MapGet("/weatherforecast2", async (IHttpClientFactory factory) => | ||
| { | ||
| using var client = factory.CreateClient(); | ||
| var result = await client.GetStringAsync("https://real-api:12345/test2"); | ||
| return Enumerable.Range(1, 3).Select(index => | ||
| new WeatherForecast | ||
| ( | ||
| DateOnly.FromDateTime(DateTime.Now.AddDays(index)), | ||
| Random.Shared.Next(-20, 55), | ||
| result | ||
| )); | ||
| }); | ||
|
|
||
| await app.RunAsync(); |
41 changes: 41 additions & 0 deletions
41
examples/WireMock.Net.WebApplication/Properties/launchSettings.json
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| { | ||
| "$schema": "http://json.schemastore.org/launchsettings.json", | ||
| "iisSettings": { | ||
| "windowsAuthentication": false, | ||
| "anonymousAuthentication": true, | ||
| "iisExpress": { | ||
| "applicationUrl": "http://localhost:57375", | ||
| "sslPort": 44333 | ||
| } | ||
| }, | ||
| "profiles": { | ||
| "http": { | ||
| "commandName": "Project", | ||
| "dotnetRunMessages": true, | ||
| "launchBrowser": true, | ||
| "launchUrl": "weatherforecast", | ||
| "applicationUrl": "http://localhost:5112", | ||
| "environmentVariables": { | ||
| "ASPNETCORE_ENVIRONMENT": "Development" | ||
| } | ||
| }, | ||
| "https": { | ||
| "commandName": "Project", | ||
| "dotnetRunMessages": true, | ||
| "launchBrowser": true, | ||
| "launchUrl": "weatherforecast", | ||
| "applicationUrl": "https://localhost:7021;http://localhost:5112", | ||
| "environmentVariables": { | ||
| "ASPNETCORE_ENVIRONMENT": "Development" | ||
| } | ||
| }, | ||
| "IIS Express": { | ||
| "commandName": "IISExpress", | ||
| "launchBrowser": true, | ||
| "launchUrl": "weatherforecast", | ||
| "environmentVariables": { | ||
| "ASPNETCORE_ENVIRONMENT": "Development" | ||
| } | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,4 @@ | ||
| record WeatherForecast(DateOnly Date, int TemperatureC, string? Summary) | ||
| { | ||
| public int TemperatureF => 32 + (int)(TemperatureC / 0.5556); | ||
| } |
13 changes: 13 additions & 0 deletions
13
examples/WireMock.Net.WebApplication/WireMock.Net.WebApplication.csproj
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| <Project Sdk="Microsoft.NET.Sdk.Web"> | ||
|
|
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| <PropertyGroup> | ||
| <TargetFramework>net8.0</TargetFramework> | ||
| <Nullable>enable</Nullable> | ||
| <ImplicitUsings>enable</ImplicitUsings> | ||
| </PropertyGroup> | ||
|
|
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| <ItemGroup> | ||
| <ProjectReference Include="..\..\src\WireMock.Net.AspNetCore.Middleware\WireMock.Net.AspNetCore.Middleware.csproj" /> | ||
| </ItemGroup> | ||
|
|
||
| </Project> |
8 changes: 8 additions & 0 deletions
8
examples/WireMock.Net.WebApplication/appsettings.Development.json
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| @@ -0,0 +1,8 @@ | ||
| { | ||
| "Logging": { | ||
| "LogLevel": { | ||
| "Default": "Debug", | ||
| "Microsoft.AspNetCore": "Warning" | ||
| } | ||
| } | ||
| } |
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| @@ -0,0 +1,9 @@ | ||
| { | ||
| "Logging": { | ||
| "LogLevel": { | ||
| "Default": "Debug", | ||
| "Microsoft.AspNetCore": "Warning" | ||
| } | ||
| }, | ||
| "AllowedHosts": "*" | ||
| } |
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| // Copyright © WireMock.Net | ||
|
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| namespace WireMock.Net.AspNetCore.Middleware; | ||
|
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| internal static class AppConstants | ||
| { | ||
| internal const string HEADER_REDIRECT = "X-WireMock-Redirect"; | ||
| internal const string HEADER_RESPONSE_DELAY = "X-WireMock-Response-Delay"; | ||
| } |
72 changes: 72 additions & 0 deletions
72
src/WireMock.Net.AspNetCore.Middleware/HttpDelegatingHandler/WireMockDelegationHandler.cs
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| @@ -0,0 +1,72 @@ | ||
| using Microsoft.AspNetCore.Http; | ||
| using Microsoft.Extensions.Logging; | ||
| using Stef.Validation; | ||
| using WireMock.Server; | ||
|
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| namespace WireMock.Net.AspNetCore.Middleware.HttpDelegatingHandler; | ||
|
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| /// <summary> | ||
| /// DelegatingHandler that takes requests made via the <see cref="HttpClient"/> | ||
| /// and routes them to the <see cref="WireMockServer"/>. | ||
| /// </summary> | ||
| internal class WireMockDelegationHandler : DelegatingHandler | ||
| { | ||
| private readonly ILogger<WireMockDelegationHandler> _logger; | ||
| private readonly WireMockServerInstance _server; | ||
| private readonly IHttpContextAccessor _httpContextAccessor; | ||
| private readonly WireMockDelegationHandlerSettings _settings; | ||
|
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| /// <summary> | ||
| /// Creates a new instance of <see cref="WireMockDelegationHandler"/> | ||
| /// </summary> | ||
| public WireMockDelegationHandler( | ||
| ILogger<WireMockDelegationHandler> logger, | ||
| WireMockServerInstance server, | ||
| IHttpContextAccessor httpContextAccessor, | ||
| WireMockDelegationHandlerSettings settings | ||
| ) | ||
| { | ||
| _server = Guard.NotNull(server); | ||
| _httpContextAccessor = Guard.NotNull(httpContextAccessor); | ||
| _logger = Guard.NotNull(logger); | ||
| _settings = Guard.NotNull(settings); | ||
| } | ||
|
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| /// <inheritdoc /> | ||
| protected override async Task<HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken) | ||
| { | ||
| Guard.NotNull(request); | ||
| Guard.NotNull(_httpContextAccessor.HttpContext); | ||
|
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| if (_settings.AlwaysRedirect || IsWireMockRedirectHeaderSetToTrue()) | ||
| { | ||
| _logger.LogDebug("Redirecting request to WireMock server"); | ||
| if (_server.Instance?.Url != null) | ||
| { | ||
| request.RequestUri = new Uri(_server.Instance.Url + request.RequestUri!.PathAndQuery); | ||
| } | ||
| } | ||
|
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| if (TryGetDelayHeaderValue(out var delayInMs)) | ||
| { | ||
| await Task.Delay(delayInMs, cancellationToken); | ||
| } | ||
|
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| return await base.SendAsync(request, cancellationToken); | ||
| } | ||
|
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| private bool IsWireMockRedirectHeaderSetToTrue() | ||
| { | ||
| return | ||
| _httpContextAccessor.HttpContext!.Request.Headers.TryGetValue(AppConstants.HEADER_REDIRECT, out var values) && | ||
| bool.TryParse(values.ToString(), out var shouldRedirectToWireMock) && shouldRedirectToWireMock; | ||
| } | ||
|
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| private bool TryGetDelayHeaderValue(out int delayInMs) | ||
| { | ||
| delayInMs = 0; | ||
| return | ||
| _httpContextAccessor.HttpContext!.Request.Headers.TryGetValue(AppConstants.HEADER_RESPONSE_DELAY, out var values) && | ||
| int.TryParse(values.ToString(), out delayInMs); | ||
| } | ||
| } |
8 changes: 8 additions & 0 deletions
8
...Mock.Net.AspNetCore.Middleware/HttpDelegatingHandler/WireMockDelegationHandlerSettings.cs
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| // Copyright © WireMock.Net | ||
|
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| namespace WireMock.Net.AspNetCore.Middleware.HttpDelegatingHandler; | ||
|
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| internal class WireMockDelegationHandlerSettings | ||
| { | ||
| public bool AlwaysRedirect { get; set; } | ||
| } |
52 changes: 52 additions & 0 deletions
52
src/WireMock.Net.AspNetCore.Middleware/ServiceCollectionExtensions.cs
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| Original file line number | Diff line number | Diff line change |
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| // Copyright © WireMock.Net | ||
|
|
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| using Microsoft.Extensions.DependencyInjection; | ||
| using Microsoft.Extensions.Http; | ||
| using Stef.Validation; | ||
| using WireMock.Net.AspNetCore.Middleware.HttpDelegatingHandler; | ||
| using WireMock.Server; | ||
| using WireMock.Settings; | ||
|
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| namespace WireMock.Net.AspNetCore.Middleware; | ||
|
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| /// <summary> | ||
| /// Extension methods for <see cref="IServiceCollection"/>. | ||
| /// </summary> | ||
| public static class ServiceCollectionExtensions | ||
| { | ||
| /// <summary> | ||
| /// Adds all the components necessary to run WireMock.Net as a background service. | ||
| /// </summary> | ||
| public static IServiceCollection AddWireMockService( | ||
| this IServiceCollection services, | ||
| Action<WireMockServer> configure, | ||
| bool alwaysRedirectToWireMock = true, | ||
| WireMockServerSettings? settings = null | ||
| ) | ||
| { | ||
| Guard.NotNull(services); | ||
| Guard.NotNull(configure); | ||
|
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| services.AddTransient<WireMockDelegationHandler>(); | ||
|
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| services.AddSingleton(new WireMockServerInstance(configure, settings)); | ||
|
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| services.AddSingleton(new WireMockDelegationHandlerSettings | ||
| { | ||
| AlwaysRedirect = alwaysRedirectToWireMock | ||
| }); | ||
|
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| services.AddHostedService<WireMockBackgroundService>(); | ||
| services.AddHttpClient(); | ||
| services.AddHttpContextAccessor(); | ||
| services.ConfigureAll<HttpClientFactoryOptions>(options => | ||
| { | ||
| options.HttpMessageHandlerBuilderActions.Add(builder => | ||
| { | ||
| builder.AdditionalHandlers.Add(builder.Services.GetRequiredService<WireMockDelegationHandler>()); | ||
| }); | ||
| }); | ||
|
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| return services; | ||
| } | ||
| } |
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