public async Task BindModelSetsModelToNullOnNullOrEmptyString(string value)
{
// Arrange
var valueProvider = new SimpleValueProvider()
{
{ "foo", value }
};
var bindingContext = GetBindingContext(valueProvider, typeof(byte[]));
var binder = new ByteArrayModelBinder();
// Act
var binderResult = await binder.BindModelResultAsync(bindingContext);
// Assert
Assert.NotNull(binderResult);
Assert.False(binderResult.IsModelSet);
Assert.Equal("foo", binderResult.Key);
Assert.Null(binderResult.Model);
var modelState = Assert.Single(bindingContext.ModelState);
Assert.Equal("foo", modelState.Key);
Assert.Equal(string.Empty, modelState.Value.RawValue);
}
public async Task BindModel_ReturnsWithIsModelSetFalse_WhenValueNotFound()
{
// Arrange
var valueProvider = new SimpleValueProvider()
{
{ "someName", "" }
};
var bindingContext = GetBindingContext(valueProvider, typeof(byte[]));
var binder = new ByteArrayModelBinder(NullLoggerFactory.Instance);
// Act
await binder.BindModelAsync(bindingContext);
// Assert
Assert.False(bindingContext.Result.IsModelSet);
Assert.Null(bindingContext.Result.Model);
Assert.Empty(bindingContext.ModelState); // No submitted data for "foo".
}
public async Task BindModel()
{
// Arrange
var valueProvider = new SimpleValueProvider()
{
{ "foo", "Fys1" }
};
var bindingContext = GetBindingContext(valueProvider, typeof(byte[]));
var binder = new ByteArrayModelBinder(NullLoggerFactory.Instance);
// Act
await binder.BindModelAsync(bindingContext);
// Assert
Assert.True(bindingContext.Result.IsModelSet);
var bytes = Assert.IsType <byte[]>(bindingContext.Result.Model);
Assert.Equal(new byte[] { 23, 43, 53 }, bytes);
}
public async Task BindModel()
{
// Arrange
var valueProvider = new SimpleValueProvider()
{
{ "foo", "Fys1" }
};
var bindingContext = GetBindingContext(valueProvider, typeof(byte[]));
var binder = new ByteArrayModelBinder();
// Act
var binderResult = await binder.BindModelResultAsync(bindingContext);
// Assert
Assert.NotNull(binderResult);
var bytes = Assert.IsType <byte[]>(binderResult.Model);
Assert.Equal(new byte[] { 23, 43, 53 }, bytes);
}
public async Task BindModelAddsModelErrorsOnInvalidCharacters()
{
// Arrange
var expected = "The value '\"Fys1\"' is not valid.";
var valueProvider = new SimpleValueProvider()
{
{ "foo", "\"Fys1\"" }
};
var bindingContext = GetBindingContext(valueProvider, typeof(byte[]));
var binder = new ByteArrayModelBinder(NullLoggerFactory.Instance);
// Act
await binder.BindModelAsync(bindingContext);
// Assert
Assert.False(bindingContext.Result.IsModelSet);
Assert.False(bindingContext.ModelState.IsValid);
var error = Assert.Single(bindingContext.ModelState["foo"].Errors);
Assert.Equal(expected, error.ErrorMessage);
}
public void CreateBinder_CreatesNoOpBinder_WhenPropertyBindingIsNotAllowed()
{
// Arrange
var metadataProvider = new TestModelMetadataProvider();
metadataProvider
.ForProperty<Widget>(nameof(Widget.Id))
.BindingDetails(m => m.IsBindingAllowed = false);
var modelBinder = new ByteArrayModelBinder();
var options = new TestOptionsManager<MvcOptions>();
options.Value.ModelBinderProviders.Add(new TestModelBinderProvider(c =>
{
if (c.Metadata.ModelType == typeof(WidgetId))
{
return modelBinder;
}
return null;
}));
var factory = new ModelBinderFactory(metadataProvider, options);
var context = new ModelBinderFactoryContext()
{
Metadata = metadataProvider.GetMetadataForProperty(typeof(Widget), nameof(Widget.Id)),
};
// Act
var result = factory.CreateBinder(context);
// Assert
Assert.NotNull(result);
Assert.IsType<NoOpBinder>(result);
}
