C# 我如何对用ServiceFilterAttribute(自定义ActionFilter实现)修饰的控制器进行单元测试
总结:C# 我如何对用ServiceFilterAttribute(自定义ActionFilter实现)修饰的控制器进行单元测试,c#,unit-testing,asp.net-core,.net-core,custom-action-filter,C#,Unit Testing,Asp.net Core,.net Core,Custom Action Filter,总结: 我正在尝试使用ActionFilter实现测试控制器 单元测试失败,因为在单元测试中未调用ActionFilter 通过邮递员进行的测试达到了预期效果,取得了正确的结果 控制器可以这样测试吗?还是应该转到集成测试 细分: 我能够在单元测试中单独测试ActionFilter,我想做的是在单元测试中测试控制器 操作筛选器如下所示: public class ValidateEntityExistAttribute<T> : IActionFilter whe
- 我正在尝试使用ActionFilter实现测试控制器
- 单元测试失败,因为在单元测试中未调用ActionFilter
- 通过邮递员进行的测试达到了预期效果,取得了正确的结果
- 控制器可以这样测试吗?还是应该转到集成测试
public class ValidateEntityExistAttribute<T> : IActionFilter
where T : class, IEntityBase
{
readonly AppDbContext _appDbContext;
public ValidateEntityExistAttribute(AppDbContext appDbContext)
{
this._appDbContext = appDbContext;
}
public void OnActionExecuted(ActionExecutedContext context)
{}
public void OnActionExecuting(ActionExecutingContext context)
{
if (!context.ActionArguments.ContainsKey("id"))
{
context.Result = new BadRequestObjectResult("The id must be passed as parameter");
return;
}
int id = (int)context.ActionArguments["id"];
var foundEntity = _appDbContext.Set<T>().Find(id);
if (foundEntity == null)
context.Result = new NotFoundResult();
else
context.HttpContext.Items.Add("entity_found", foundEntity);
}
}
[Fact]
public async Task Get_Meeting_Record_By_Id()
{
// Arrange
var _AppDbContext = AppDbContextMocker.GetAppDbContext(nameof(Get_All_Meeting_Records));
var _controller = InitializeController(_AppDbContext);
//Act
var all = await _controller.GetById(1);
//Assert
Assert.Equal(1, all.Value.Id);
//clean up otherwise the other test will complain about key tracking.
await _AppDbContext.DisposeAsync();
}
这就是InitializeController方法的样子,我留下了注释行,这样我试过的代码就可以看到它了,注释的代码都不起作用。
我模仿并使用默认类
private MeetingController InitializeController(AppDbContext appDbContext)
{
var _controller = new MeetingController(appDbContext);
var spf = new DefaultServiceProviderFactory(new ServiceProviderOptions { ValidateOnBuild = true, ValidateScopes = true });
var sc = spf.CreateBuilder(new ServiceCollection());
sc.AddMvc();
sc.AddControllers();
//(config =>
//{
// config.Filters.Add(new ValidateModelStateAttribute());
// config.Filters.Add(new ValidateEntityExistAttribute<Meeting>(appDbContext));
//});
sc.AddTransient<ValidateModelStateAttribute>();
sc.AddTransient<ValidateEntityExistAttribute<Meeting>>();
var sp = sc.BuildServiceProvider();
//var mockHttpContext = new Mock<HttpContext>();
var httpContext = new DefaultHttpContext
{
RequestServices = sp
};
//mockHttpContext.Setup(cx => cx.RequestServices).Returns(sp);
//var contDesc = new ControllerActionDescriptor();
//var context = new ControllerContext();
//var context = new ControllerContext(new ActionContext(mockHttpContext.Object, new RouteData(), contDesc));
//context.HttpContext = mockHttpContext.Object;
//context.HttpContext = httpContext;
//_controller.ControllerContext = context;
_controller.ControllerContext.HttpContext = httpContext;
return _controller;
}
private Meeting Controller InitializeControl(AppDbContext AppDbContext)
{
var_controller=新的会议控制器(appDbContext);
var spf=new DefaultServiceProviderFactory(new ServiceProviderOptions{ValidateOnBuild=true,ValidateScopes=true});
var sc=spf.CreateBuilder(new ServiceCollection());
sc.AddMvc();
sc.AddControllers();
//(配置=>
//{
//添加(新的ValidateModelStateAttribute());
//添加(新的ValidateEntityExistAttribute(appDbContext));
//});
sc.AddTransient();
sc.AddTransient();
var sp=sc.BuildServiceProvider();
//var mockHttpContext=new Mock();
var httpContext=新的DefaultHttpContext
{
RequestServices=sp
};
//mockHttpContext.Setup(cx=>cx.RequestServices).Returns(sp);
//var contDesc=新的ControllerActionDescriptor();
//var context=new ControllerContext();
//var context=newcontrollercontext(newactioncontext(mockHttpContext.Object,newroutedata(),contDesc));
//context.HttpContext=mockHttpContext.Object;
//context.HttpContext=HttpContext;
//_controller.ControllerContext=上下文;
_controller.ControllerContext.HttpContext=HttpContext;
返回控制器;
}
我遇到的问题是,在运行单元测试时,从未调用ActionFilter实现,因此中断了测试,因为var entity=HttpContext.Items[“entity_found”]作为会议控制器中的代码>始终为空!更准确地说,HttpContext.Items
始终为空
ActionFilter中的断点永远不会被命中
当通过邮递员对其进行测试时,一切正常,并且达到了断点
有没有办法以这种方式将控制器作为单元测试进行测试,或者现在该测试应该转移到集成吗?谢谢@Fei Han的链接
正如microsoft文档中所述,这是经过设计的
单元测试控制器
设置控制器动作的单元测试,以
关注控制器的行为。控制器单元测试
过滤器、路由和模型绑定等场景。检验
涵盖组件之间的交互,这些组件共同响应
请求由集成测试处理
因此,测试应该转向集成测试
在这个特定场景中,GetById(intid)
方法没有详细的实现,对它进行单元测试几乎没有任何价值
如果GetById(int-id)
方法有一个更复杂的实现,或者如果ActionFilter没有阻止进一步的处理,那么应该模拟HttpContext.Items[“entity\u found”]
。谢谢@Fei Han的链接
正如microsoft文档中所述,这是经过设计的
单元测试控制器
设置控制器动作的单元测试,以
关注控制器的行为。控制器单元测试
过滤器、路由和模型绑定等场景。检验
涵盖组件之间的交互,这些组件共同响应
请求由集成测试处理
因此,测试应该转向集成测试
在这个特定场景中,GetById(intid)
方法没有详细的实现,对它进行单元测试几乎没有任何价值
如果GetById(int-id)
方法具有更复杂的实现,或者如果ActionFilter没有阻止进一步的处理,则应模拟HttpContext.Items[“entity_found”]
。请注意,a避免了过滤器、路由和模型绑定等场景。对于单元测试,您不需要在特定的控制器操作上测试过滤器,您可以测试过滤器本身。谢谢@Fei Han!这就清楚了为什么过滤器不会被触发。我想,对于一个具有这个小实现的控制器,为它编写单元测试几乎没有任何价值。请注意,a避免了过滤器、路由和模型绑定等场景。对于单元测试,您不需要在特定的控制器操作上测试过滤器,您可以测试过滤器本身。谢谢@Fei Han!这就清楚了为什么过滤器不会被触发。我想,对于一个带有这个小实现的控制器,为它编写单元测试几乎没有任何价值。
[Fact]
public async Task Get_Meeting_Record_By_Id()
{
// Arrange
var _AppDbContext = AppDbContextMocker.GetAppDbContext(nameof(Get_All_Meeting_Records));
var _controller = InitializeController(_AppDbContext);
//Act
var all = await _controller.GetById(1);
//Assert
Assert.Equal(1, all.Value.Id);
//clean up otherwise the other test will complain about key tracking.
await _AppDbContext.DisposeAsync();
}
private MeetingController InitializeController(AppDbContext appDbContext)
{
var _controller = new MeetingController(appDbContext);
var spf = new DefaultServiceProviderFactory(new ServiceProviderOptions { ValidateOnBuild = true, ValidateScopes = true });
var sc = spf.CreateBuilder(new ServiceCollection());
sc.AddMvc();
sc.AddControllers();
//(config =>
//{
// config.Filters.Add(new ValidateModelStateAttribute());
// config.Filters.Add(new ValidateEntityExistAttribute<Meeting>(appDbContext));
//});
sc.AddTransient<ValidateModelStateAttribute>();
sc.AddTransient<ValidateEntityExistAttribute<Meeting>>();
var sp = sc.BuildServiceProvider();
//var mockHttpContext = new Mock<HttpContext>();
var httpContext = new DefaultHttpContext
{
RequestServices = sp
};
//mockHttpContext.Setup(cx => cx.RequestServices).Returns(sp);
//var contDesc = new ControllerActionDescriptor();
//var context = new ControllerContext();
//var context = new ControllerContext(new ActionContext(mockHttpContext.Object, new RouteData(), contDesc));
//context.HttpContext = mockHttpContext.Object;
//context.HttpContext = httpContext;
//_controller.ControllerContext = context;
_controller.ControllerContext.HttpContext = httpContext;
return _controller;
}