.NET 6 RC1 中添加了对此的支持。这是生产中支持的第一个版本。
您可以通过Program
而不是Startup
. Startup
基本上合并到Program
现在。该类Program
是从文件中的顶级语句自动生成的Program.cs
。虽然它不是一个公共类,所以您需要添加InternalsVisibleTo
到应用程序的项目文件中以使其对测试项目可见。
<ItemGroup>
<InternalsVisibleTo Include="MinimalApiPlayground.Tests" />
</ItemGroup>
在此示例中, Damien Edwards 定义了一个WebApplicationFactory<Program>
来演示测试 Todo 最小 API。
Startup
创建测试应用程序与使用:基本相同
[Fact]
public async Task GetSwaggerUI_Returns_OK()
{
await using var application = new TodoApplication();
var client = application.CreateClient();
var response = await client.GetAsync("/swagger/index.html");
Assert.Equal(HttpStatusCode.OK, response.StatusCode);
}
class TodoApplication : WebApplicationFactory<Program>
{
protected override IHost CreateHost(IHostBuilder builder)
{
// Add mock/test services to the builder here
builder.ConfigureServices(services =>
{
services.AddScoped(sp =>
{
// Replace SQL Lite with test DB
return new SqliteConnection("Data Source=testtodos.db");
});
});
return base.CreateHost(builder);
}
}
该示例中的Program 类定义了很多端点:
using System.ComponentModel.DataAnnotations;
using Microsoft.Data.Sqlite;
using Dapper;
var builder = WebApplication.CreateBuilder(args);
var connectionString = builder.Configuration.GetConnectionString("TodoDb") ?? "Data Source=todos.db";
builder.Services.AddScoped(_ => new SqliteConnection(connectionString));
builder.Services.AddEndpointsApiExplorer();
builder.Services.AddSwaggerGen();
var app = builder.Build();
await EnsureDb(app.Services, app.Logger);
if (!app.Environment.IsDevelopment())
{
app.UseExceptionHandler("/error");
}
app.MapGet("/error", () => Results.Problem("An error occurred.", statusCode: 500))
.ExcludeFromDescription();
app.MapSwagger();
app.UseSwaggerUI();
app.MapGet("/", () => "Hello World!")
.WithName("Hello");
...
app.MapDelete("/todos/delete-all", async (SqliteConnection db) => Results.Ok(await db.ExecuteAsync("DELETE FROM Todos")))
.WithName("DeleteAll")
.Produces<int>(StatusCodes.Status200OK);
app.Run();