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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System;
using System.Globalization;
using System.Web;
using System.Web.Mvc;
using System.Web.TestUtil;
using Moq;
using Xunit;
namespace Microsoft.Web.Mvc.ModelBinding.Test
{
public class ModelBinderConfigTest
{
[Fact]
public void GetUserResourceString_NullControllerContext_ReturnsNull()
{
// Act
string customResourceString = ModelBinderConfig.GetUserResourceString(null /* controllerContext */, "someResourceName", "someResourceClassKey");
// Assert
Assert.Null(customResourceString);
}
[Fact]
public void GetUserResourceString_NullHttpContext_ReturnsNull()
{
Mock<ControllerContext> mockControllerContext = new Mock<ControllerContext>();
mockControllerContext.Setup(o => o.HttpContext).Returns((HttpContextBase)null);
// Act
string customResourceString = ModelBinderConfig.GetUserResourceString(mockControllerContext.Object, "someResourceName", "someResourceClassKey");
// Assert
Assert.Null(customResourceString);
}
[Fact]
public void GetUserResourceString_NullResourceKey_ReturnsNull()
{
Mock<ControllerContext> mockControllerContext = new Mock<ControllerContext>();
// Act
string customResourceString = ModelBinderConfig.GetUserResourceString(mockControllerContext.Object, "someResourceName", null /* resourceClassKey */);
// Assert
mockControllerContext.Verify(o => o.HttpContext, Times.Never());
Assert.Null(customResourceString);
}
[Fact]
public void GetUserResourceString_ValidResourceObject_ReturnsResourceString()
{
Mock<ControllerContext> mockControllerContext = new Mock<ControllerContext>();
mockControllerContext.Setup(o => o.HttpContext.GetGlobalResourceObject("someResourceClassKey", "someResourceName", CultureInfo.CurrentUICulture)).Returns("My custom resource string");
// Act
string customResourceString = ModelBinderConfig.GetUserResourceString(mockControllerContext.Object, "someResourceName", "someResourceClassKey");
// Assert
Assert.Equal("My custom resource string", customResourceString);
}
[Fact]
public void Initialize_ReplacesOriginalCollection()
{
// Arrange
ModelBinderDictionary oldBinders = new ModelBinderDictionary();
oldBinders[typeof(int)] = new Mock<IModelBinder>().Object;
ModelBinderProviderCollection newBinderProviders = new ModelBinderProviderCollection();
// Act
ModelBinderConfig.Initialize(oldBinders, newBinderProviders);
// Assert
Assert.Empty(oldBinders);
var shimBinder = Assert.IsType<ExtensibleModelBinderAdapter>(oldBinders.DefaultBinder);
Assert.Same(newBinderProviders, shimBinder.Providers);
}
[Fact]
public void TypeConversionErrorMessageProvider_DefaultValue()
{
// Arrange
ModelMetadata metadata = new ModelMetadata(new Mock<ModelMetadataProvider>().Object, null, null, typeof(int), "SomePropertyName");
// Act
string errorString = ModelBinderConfig.TypeConversionErrorMessageProvider(null, metadata, "some incoming value");
// Assert
Assert.Equal("The value 'some incoming value' is not valid for SomePropertyName.", errorString);
}
[Fact]
public void TypeConversionErrorMessageProvider_Property()
{
// Arrange
ModelBinderConfigWrapper wrapper = new ModelBinderConfigWrapper();
// Act & assert
try
{
MemberHelper.TestPropertyWithDefaultInstance(wrapper, "TypeConversionErrorMessageProvider", (ModelBinderErrorMessageProvider)DummyErrorSelector);
}
finally
{
wrapper.Reset();
}
}
[Fact]
public void ValueRequiredErrorMessageProvider_DefaultValue()
{
// Arrange
ModelMetadata metadata = new ModelMetadata(new Mock<ModelMetadataProvider>().Object, null, null, typeof(int), "SomePropertyName");
// Act
string errorString = ModelBinderConfig.ValueRequiredErrorMessageProvider(null, metadata, "some incoming value");
// Assert
Assert.Equal("A value is required.", errorString);
}
[Fact]
public void ValueRequiredErrorMessageProvider_Property()
{
// Arrange
ModelBinderConfigWrapper wrapper = new ModelBinderConfigWrapper();
// Act & assert
try
{
MemberHelper.TestPropertyWithDefaultInstance(wrapper, "ValueRequiredErrorMessageProvider", (ModelBinderErrorMessageProvider)DummyErrorSelector);
}
finally
{
wrapper.Reset();
}
}
private string DummyErrorSelector(ControllerContext controllerContext, ModelMetadata modelMetadata, object incomingValue)
{
throw new NotImplementedException();
}
private sealed class ModelBinderConfigWrapper
{
public ModelBinderErrorMessageProvider TypeConversionErrorMessageProvider
{
get { return ModelBinderConfig.TypeConversionErrorMessageProvider; }
set { ModelBinderConfig.TypeConversionErrorMessageProvider = value; }
}
public ModelBinderErrorMessageProvider ValueRequiredErrorMessageProvider
{
get { return ModelBinderConfig.ValueRequiredErrorMessageProvider; }
set { ModelBinderConfig.ValueRequiredErrorMessageProvider = value; }
}
public void Reset()
{
ModelBinderConfig.TypeConversionErrorMessageProvider = null;
ModelBinderConfig.ValueRequiredErrorMessageProvider = null;
}
}
}
}
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