[英]Why is moq claiming my mock's property setter is never being called even though the code is calling it?
[英]Why is Custom DataAnnotationsModelMetadataProvider's CreateMetadata never being called?
我通过继承DataAnnotationsModelMetadataProvider
并覆盖CreateMetadata
方法创建了一个自定义提供程序:
public class CustomMetadataProvider : DataAnnotationsModelMetadataProvider
{
protected override ModelMetadata CreateMetadata(IEnumerable<Attribute> attributes,
Type containerType, Func<object> modelAccessor,
Type modelType, string propertyName)
{
//... code not included for brevity but execution never gets here
}
}
然后我在MvcApplication
类中的Global.asax
注册了它:
public class MvcApplication : HttpApplication
{
protected void Application_Start()
{
// Other code...
System.Web.ModelBinding.ModelMetadataProviders.Current =
new CustomMetadataProvider();
}
}
我放了一个断点,上面的注册正在执行,并且正在设置Current
。
问题/疑问
永远不会调用CreateMetadata
方法。 我还需要做什么?
您在Global.asax.cs
文件中设置了错误的属性。 代替:
System.Web.ModelBinding.ModelMetadataProviders.Current =
new CustomMetadataProvider();
它应该是这样的:
ModelMetadataProviders.Current =
new CustomMetadataProvider();
如果你真的想要提供完整的限定符,实际上是:
System.Web.Mvc.ModelMetadataProviders.Current =
new CustomMetadataProvider();
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