[英]ASP.NET Core - Model binding testing
我發現以下帖子描述了如何測試自定義模型綁定器:
https://stackoverflow.com/a/55387164/155899
但是,這會測試單個模型綁定器。 理想情況下,我希望能夠注冊我的所有活頁夾並測試是否綁定了適當的模型。 這就是我如何實現我在 ASP.NET MVC 中尋找的東西:
// Register the model binders
ModelBinders.Binders[typeof(DateTime)] = new DateTimeModelBinder();
...
var values = new NameValueCollection {
{ "Foo", "1964/12/02 12:00:00" }
};
var controllerContext = CreateControllerContext(); // Utility method
var bindingContext = new ModelBindingContext() {
ModelName = "Foo",
ValueProvider = new NameValueCollectionValueProvider(values, null)
};
var binder = ModelBinders.Binders.GetBinder(typeof(DateTime));
var result = (DateTime)binder.BindModel(controllerContext, bindingContext);
這不僅允許我測試模型綁定器的結果,而且還確保選擇了正確的模型綁定器。
如果有人可以提供幫助,我將不勝感激。 謝謝
我已經設法把一些東西放在一起。 感謝@HereticMonkey 提供的鏈接幫助我解決了這個問題。
[Fact]
public async Task Test() {
// Arrange
var services = new ServiceCollection();
services.AddSingleton<ILoggerFactory, NullLoggerFactory>();
services.AddSingleton<ObjectPoolProvider, DefaultObjectPoolProvider>();
services.AddMvc(o => {
o.ModelBinderProviders.Insert(0, new DateTimeModelBinderProvider());
});
var serviceProvider = services.BuildServiceProvider();
var options = serviceProvider.GetService<IOptions<MvcOptions>>();
var compositeDetailsProvider = new DefaultCompositeMetadataDetailsProvider(new List<IMetadataDetailsProvider>());
var metadataProvider = new DefaultModelMetadataProvider(compositeDetailsProvider);
var modelBinderFactory = new ModelBinderFactory(metadataProvider, options, serviceProvider);
var parameterBinder = new ParameterBinder(
metadataProvider,
modelBinderFactory,
new Mock<IObjectModelValidator>().Object,
options,
NullLoggerFactory.Instance);
var parameter = new ParameterDescriptor() {
Name = "parameter",
ParameterType = typeof(DateTime)
};
var controllerContext = new ControllerContext() {
HttpContext = new DefaultHttpContext() {
RequestServices = serviceProvider // You must set this otherwise BinderTypeModelBinder will not resolve the specified type
},
RouteData = new RouteData()
};
var modelMetadata = metadataProvider.GetMetadataForType(parameter.ParameterType);
var formCollection = new FormCollection(new Dictionary<string, StringValues>() {
{ "Foo", new StringValues("1964/12/02 12:00:00") }
});
var valueProvider = new FormValueProvider(BindingSource.Form, formCollection, CultureInfo.CurrentCulture);
var modelBinder = modelBinderFactory.CreateBinder(new ModelBinderFactoryContext() {
BindingInfo = parameter.BindingInfo,
Metadata = modelMetadata,
CacheToken = parameter
});
// Act
var modelBindingResult = await parameterBinder.BindModelAsync(
controllerContext,
modelBinder,
valueProvider,
parameter,
modelMetadata,
value: null);
// Assert
Assert.True(modelBindingResult.IsModelSet);
}
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