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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 System.Threading;
using System.Web.Routing;
using System.Web.TestUtil;
using Moq;
using Xunit;
#pragma warning disable 0618 // ValueProviderDictionary is now obsolete
namespace System.Web.Mvc.Test
{
public class ValueProviderDictionaryTest
{
[Fact]
public void ConstructorCreatesEmptyDictionaryIfControllerContextIsNull()
{
// Act
ValueProviderDictionary dict = new ValueProviderDictionary(null);
// Assert
Assert.Empty(dict);
}
[Fact]
public void ControllerContextProperty()
{
// Arrange
ControllerContext expected = GetControllerContext();
ValueProviderDictionary dict = new ValueProviderDictionary(expected);
// Act
ControllerContext returned = dict.ControllerContext;
// Assert
Assert.Equal(expected, returned);
}
[Fact]
public void DictionaryInterface()
{
// Arrange
DictionaryHelper<string, ValueProviderResult> helper = new DictionaryHelper<string, ValueProviderResult>()
{
Creator = () => new ValueProviderDictionary(null),
Comparer = StringComparer.OrdinalIgnoreCase,
SampleKeys = new string[] { "foo", "bar", "baz", "quux", "QUUX" },
SampleValues = new ValueProviderResult[]
{
new ValueProviderResult(null, null, null),
new ValueProviderResult(null, null, null),
new ValueProviderResult(null, null, null),
new ValueProviderResult(null, null, null),
new ValueProviderResult(null, null, null)
},
ThrowOnKeyNotFound = false
};
// Act & assert
helper.Execute();
}
[Fact]
public void AddWithRawValueUsesInvariantCulture()
{
// Arrange
ValueProviderDictionary dict = new ValueProviderDictionary(null);
// Act
dict.Add("foo", 42);
// Assert
ValueProviderResult vpResult = dict["foo"];
Assert.Equal("42", vpResult.AttemptedValue);
Assert.Equal(42, vpResult.RawValue);
Assert.Equal(CultureInfo.InvariantCulture, vpResult.Culture);
}
[Fact]
public void NullAndEmptyKeysAreIgnored()
{
// DevDiv Bugs #216667: Exception thrown when querystring contains name without value
// Arrange
ValueProviderDictionary dict = GetAndPopulateDictionary();
// Act
bool emptyKeyFound = dict.ContainsKey(String.Empty);
// Assert
Assert.False(emptyKeyFound);
}
[Fact]
public void ValueFromForm()
{
// Arrange
ValueProviderDictionary dict;
// Act
using (ReplaceCurrentCulture("fr-FR"))
{
dict = GetAndPopulateDictionary();
}
ValueProviderResult result = dict["foo"];
// Assert
Assert.NotNull(result);
Assert.Equal("fooFromForm", result.AttemptedValue);
string[] stringValue = Assert.IsType<string[]>(result.RawValue);
Assert.Single(stringValue);
Assert.Equal("fooFromForm", stringValue[0]);
Assert.Equal(CultureInfo.GetCultureInfo("fr-FR"), result.Culture);
}
[Fact]
public void ValueFromQueryString()
{
// Arrange
ValueProviderDictionary dict;
// Act
using (ReplaceCurrentCulture("fr-FR"))
{
dict = GetAndPopulateDictionary();
}
ValueProviderResult result = dict["baz"];
// Assert
Assert.NotNull(result);
Assert.Equal("bazFromQueryString", result.AttemptedValue);
string[] stringValue = Assert.IsType<string[]>(result.RawValue);
Assert.Single(stringValue);
Assert.Equal("bazFromQueryString", stringValue[0]);
Assert.Equal(CultureInfo.InvariantCulture, result.Culture);
}
public void ValueFromRoute()
{
// Arrange
ValueProviderDictionary dict;
// Act
using (ReplaceCurrentCulture("fr-FR"))
{
dict = GetAndPopulateDictionary();
}
ValueProviderResult result = dict["bar"];
// Assert
Assert.NotNull(result);
Assert.Equal("barFromRoute", result.AttemptedValue);
Assert.Equal("barFromRoute", result.RawValue);
Assert.Equal(CultureInfo.InvariantCulture, result.Culture);
}
private static ValueProviderDictionary GetAndPopulateDictionary()
{
return new ValueProviderDictionary(GetControllerContext());
}
private static ControllerContext GetControllerContext()
{
NameValueCollection form = new NameValueCollection() { { "foo", "fooFromForm" } };
RouteData rd = new RouteData();
rd.Values["foo"] = "fooFromRoute";
rd.Values["bar"] = "barFromRoute";
NameValueCollection queryString = new NameValueCollection()
{
{ "foo", "fooFromQueryString" },
{ "bar", "barFromQueryString" },
{ "baz", "bazFromQueryString" },
{ null, "nullValue" },
{ "", "emptyStringValue" }
};
Mock<ControllerContext> mockControllerContext = new Mock<ControllerContext>();
mockControllerContext.Setup(c => c.HttpContext.Request.Form).Returns(form);
mockControllerContext.Setup(c => c.HttpContext.Request.QueryString).Returns(queryString);
mockControllerContext.Setup(c => c.RouteData).Returns(rd);
return mockControllerContext.Object;
}
public static IDisposable ReplaceCurrentCulture(string culture)
{
CultureInfo newCulture = CultureInfo.GetCultureInfo(culture);
CultureInfo originalCulture = Thread.CurrentThread.CurrentCulture;
Thread.CurrentThread.CurrentCulture = newCulture;
return new CultureReplacement { OriginalCulture = originalCulture };
}
private class CultureReplacement : IDisposable
{
public CultureInfo OriginalCulture;
public void Dispose()
{
Thread.CurrentThread.CurrentCulture = OriginalCulture;
}
}
}
}
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