aspnetcore/test/Microsoft.AspNet.Mvc.Core.Test/ModelBinding/ByteArrayModelBinderTests.cs

143 lines
4.5 KiB
C#

// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
#if DNX451
using System;
using System.Threading.Tasks;
using Microsoft.AspNet.Testing;
using Xunit;
namespace Microsoft.AspNet.Mvc.ModelBinding.Test
{
public class ByteArrayModelBinderTests
{
[Theory]
[InlineData(null)]
[InlineData("")]
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.BindModelAsync(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);
}
[Fact]
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.BindModelAsync(bindingContext);
// Assert
Assert.NotNull(binderResult);
var bytes = Assert.IsType<byte[]>(binderResult.Model);
Assert.Equal(new byte[] { 23, 43, 53 }, bytes);
}
[Fact]
public async Task BindModelAddsModelErrorsOnInvalidCharacters()
{
// Arrange
var expected = "The value '\"Fys1\"' is not valid for foo.";
var valueProvider = new SimpleValueProvider()
{
{ "foo", "\"Fys1\"" }
};
var bindingContext = GetBindingContext(valueProvider, typeof(byte[]));
var binder = new ByteArrayModelBinder();
// Act
var binderResult = await binder.BindModelAsync(bindingContext);
// Assert
Assert.NotNull(binderResult);
Assert.False(bindingContext.ModelState.IsValid);
var error = Assert.Single(bindingContext.ModelState["foo"].Errors);
Assert.Equal(expected, error.ErrorMessage);
}
[Fact]
public async Task BindModel_ReturnsWithIsModelSetFalse_WhenValueNotFound()
{
// Arrange
var valueProvider = new SimpleValueProvider()
{
{ "someName", "" }
};
var bindingContext = GetBindingContext(valueProvider, typeof(byte[]));
var binder = new ByteArrayModelBinder();
// Act
var binderResult = await binder.BindModelAsync(bindingContext);
// Assert
Assert.NotNull(binderResult);
Assert.False(binderResult.IsModelSet);
Assert.Equal("foo", binderResult.Key);
Assert.Null(binderResult.Model);
Assert.Empty(bindingContext.ModelState); // No submitted data for "foo".
}
[Fact]
public async Task BindModel_ReturnsNull_ForOtherTypes()
{
// Arrange
var bindingContext = GetBindingContext(null, typeof(int[]));
var binder = new ByteArrayModelBinder();
// Act
var binderResult = await binder.BindModelAsync(bindingContext);
// Assert
Assert.Null(binderResult);
}
private static ModelBindingContext GetBindingContext(IValueProvider valueProvider, Type modelType)
{
var metadataProvider = new EmptyModelMetadataProvider();
var bindingContext = new ModelBindingContext
{
ModelMetadata = metadataProvider.GetMetadataForType(modelType),
ModelName = "foo",
ValueProvider = valueProvider,
OperationBindingContext = new OperationBindingContext
{
MetadataProvider = metadataProvider
}
};
return bindingContext;
}
}
}
#endif