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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.Collections.Specialized;
using System.Globalization;
using Moq;
using Xunit;
using Assert = Microsoft.TestCommon.AssertEx;
namespace System.Web.Mvc.Test
{
public class FormCollectionTest
{
[Fact]
public void ConstructorCopiesProvidedCollection()
{
// Arrange
NameValueCollection nvc = new NameValueCollection()
{
{ "foo", "fooValue" },
{ "bar", "barValue" }
};
// Act
FormCollection formCollection = new FormCollection(nvc);
// Assert
Assert.Equal(2, formCollection.Count);
Assert.Equal("fooValue", formCollection["foo"]);
Assert.Equal("barValue", formCollection["bar"]);
}
[Fact]
public void ConstructorThrowsIfCollectionIsNull()
{
// Act & Assert
Assert.ThrowsArgumentNull(
delegate { new FormCollection(null); }, "collection");
}
[Fact]
public void ConstructorUsesValidatedValuesWhenControllerIsNull()
{
// Arrange
var values = new NameValueCollection()
{
{ "foo", "fooValue" },
{ "bar", "barValue" }
};
// Act
var result = new FormCollection(controller: null,
validatedValuesThunk: () => values,
unvalidatedValuesThunk: () => { throw new NotImplementedException(); });
// Assert
Assert.Equal(2, result.Count);
Assert.Equal("fooValue", result["foo"]);
Assert.Equal("barValue", result["bar"]);
}
[Fact]
public void ConstructorUsesValidatedValuesWhenControllerValidateRequestIsTrue()
{
// Arrange
var values = new NameValueCollection()
{
{ "foo", "fooValue" },
{ "bar", "barValue" }
};
var controller = new Mock<ControllerBase>().Object;
controller.ValidateRequest = true;
// Act
var result = new FormCollection(controller,
validatedValuesThunk: () => values,
unvalidatedValuesThunk: () => { throw new NotImplementedException(); });
// Assert
Assert.Equal(2, result.Count);
Assert.Equal("fooValue", result["foo"]);
Assert.Equal("barValue", result["bar"]);
}
[Fact]
public void ConstructorUsesUnvalidatedValuesWhenControllerValidateRequestIsFalse()
{
// Arrange
var values = new NameValueCollection()
{
{ "foo", "fooValue" },
{ "bar", "barValue" }
};
var controller = new Mock<ControllerBase>().Object;
controller.ValidateRequest = false;
// Act
var result = new FormCollection(controller,
validatedValuesThunk: () => { throw new NotImplementedException(); },
unvalidatedValuesThunk: () => values);
// Assert
Assert.Equal(2, result.Count);
Assert.Equal("fooValue", result["foo"]);
Assert.Equal("barValue", result["bar"]);
}
[Fact]
public void CustomBinderBindModelReturnsFormCollection()
{
// Arrange
NameValueCollection nvc = new NameValueCollection() { { "foo", "fooValue" }, { "bar", "barValue" } };
IModelBinder binder = ModelBinders.Binders.GetBinder(typeof(FormCollection));
Mock<ControllerContext> mockControllerContext = new Mock<ControllerContext>();
mockControllerContext.Setup(c => c.HttpContext.Request.Form).Returns(nvc);
// Act
FormCollection formCollection = (FormCollection)binder.BindModel(mockControllerContext.Object, null);
// Assert
Assert.NotNull(formCollection);
Assert.Equal(2, formCollection.Count);
Assert.Equal("fooValue", nvc["foo"]);
Assert.Equal("barValue", nvc["bar"]);
}
[Fact]
public void CustomBinderBindModelThrowsIfControllerContextIsNull()
{
// Arrange
IModelBinder binder = ModelBinders.Binders.GetBinder(typeof(FormCollection));
// Act & assert
Assert.ThrowsArgumentNull(
delegate { binder.BindModel(null, null); }, "controllerContext");
}
[Fact]
public void GetValue_ThrowsIfNameIsNull()
{
// Arrange
FormCollection formCollection = new FormCollection();
// Act & assert
Assert.ThrowsArgumentNull(
delegate { formCollection.GetValue(null); }, "name");
}
[Fact]
public void GetValue_KeyDoesNotExist_ReturnsNull()
{
// Arrange
FormCollection formCollection = new FormCollection();
// Act
ValueProviderResult vpResult = formCollection.GetValue("");
// Assert
Assert.Null(vpResult);
}
[Fact]
public void GetValue_KeyExists_ReturnsResult()
{
// Arrange
FormCollection formCollection = new FormCollection()
{
{ "foo", "1" },
{ "foo", "2" }
};
// Act
ValueProviderResult vpResult = formCollection.GetValue("foo");
// Assert
Assert.NotNull(vpResult);
Assert.Equal(new[] { "1", "2" }, (string[])vpResult.RawValue);
Assert.Equal("1,2", vpResult.AttemptedValue);
Assert.Equal(CultureInfo.CurrentCulture, vpResult.Culture);
}
}
}
|
