public async Task BindModel_ComplexCollection_Succeeds(bool isReadOnly)
{
// Arrange
var valueProvider = new SimpleValueProvider
{
{ "someName.index", new[] { "foo", "bar", "baz" } },
{ "someName[foo]", "42" },
{ "someName[bar]", "100" },
{ "someName[baz]", "200" }
};
var bindingContext = GetModelBindingContext(valueProvider, isReadOnly);
var modelState = bindingContext.ModelState;
var binder = new CollectionModelBinder <int>();
// Act
var result = await binder.BindModelResultAsync(bindingContext);
// Assert
Assert.NotEqual(default(ModelBindingResult), result);
Assert.True(result.IsModelSet);
var list = Assert.IsAssignableFrom <IList <int> >(result.Model);
Assert.Equal(new[] { 42, 100, 200 }, list.ToArray());
Assert.True(modelState.IsValid);
}
public async Task CollectionModelBinder_DoesNotCreateEmptyCollection_IfModelNonNull()
{
// Arrange
var binder = new CollectionModelBinder <string>();
var context = CreateContext();
context.IsTopLevelObject = true;
var list = new List <string>();
context.Model = list;
// Lack of prefix and non-empty model name both ignored.
context.ModelName = "modelName";
var metadataProvider = context.OperationBindingContext.MetadataProvider;
context.ModelMetadata = metadataProvider.GetMetadataForType(typeof(List <string>));
context.ValueProvider = new TestValueProvider(new Dictionary <string, object>());
// Act
var result = await binder.BindModelResultAsync(context);
// Assert
Assert.NotEqual(default(ModelBindingResult), result);
Assert.Same(list, result.Model);
Assert.Empty(list);
Assert.Equal("modelName", result.Key);
Assert.True(result.IsModelSet);
}
public async Task CollectionModelBinder_DoesNotCreateCollection_IfNotIsTopLevelObject(string prefix)
{
// Arrange
var binder = new CollectionModelBinder <string>();
var context = CreateContext();
context.ModelName = ModelNames.CreatePropertyModelName(prefix, "ListProperty");
var metadataProvider = context.OperationBindingContext.MetadataProvider;
context.ModelMetadata = metadataProvider.GetMetadataForProperty(
typeof(ModelWithListProperty),
nameof(ModelWithListProperty.ListProperty));
context.ValueProvider = new TestValueProvider(new Dictionary <string, object>());
// Act
var result = await binder.BindModelResultAsync(context);
// Assert
Assert.Equal(default(ModelBindingResult), result);
}
public async Task BindModelAsync_SimpleCollectionWithNullValue_Succeeds()
{
// Arrange
var binder = new CollectionModelBinder <int>();
var valueProvider = new SimpleValueProvider
{
{ "someName", null },
};
var bindingContext = GetModelBindingContext(valueProvider, isReadOnly: false);
var modelState = bindingContext.ModelState;
// Act
var result = await binder.BindModelResultAsync(bindingContext);
// Assert
Assert.NotEqual(default(ModelBindingResult), result);
Assert.True(result.IsModelSet);
Assert.NotNull(result.Model);
var model = Assert.IsType <List <int> >(result.Model);
Assert.Empty(model);
}
public async Task BindModel_SimpleCollection_BindingContextModelNonNull_Succeeds(bool isReadOnly)
{
// Arrange
var valueProvider = new SimpleValueProvider
{
{ "someName", new[] { "42", "100", "200" } }
};
var bindingContext = GetModelBindingContext(valueProvider, isReadOnly);
var modelState = bindingContext.ModelState;
var list = new List <int>();
bindingContext.Model = list;
var binder = new CollectionModelBinder <int>();
// Act
var result = await binder.BindModelResultAsync(bindingContext);
// Assert
Assert.NotEqual(default(ModelBindingResult), result);
Assert.True(result.IsModelSet);
Assert.Same(list, result.Model);
Assert.Equal(new[] { 42, 100, 200 }, list.ToArray());
}