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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.Linq;
using System.Web.Mvc;
using Moq;
using Xunit;
namespace Microsoft.Web.Mvc.Test
{
public class FileExtensionsAttributeTest
{
[Fact]
public void DefaultExtensions()
{
Assert.Equal("png,jpg,jpeg,gif", new FileExtensionsAttribute().Extensions);
}
[Fact]
public void ClientRule()
{
// Arrange
var attribute = new FileExtensionsAttribute { Extensions = " FoO, .bar,baz " };
var provider = new Mock<ModelMetadataProvider>();
var metadata = new ModelMetadata(provider.Object, null, null, typeof(string), "PropertyName");
// Act
ModelClientValidationRule clientRule = attribute.GetClientValidationRules(metadata, null).Single();
// Assert
Assert.Equal("accept", clientRule.ValidationType);
Assert.Equal("The PropertyName field only accepts files with the following extensions: .foo, .bar, .baz", clientRule.ErrorMessage);
Assert.Single(clientRule.ValidationParameters);
Assert.Equal("foo,bar,baz", clientRule.ValidationParameters["exts"]);
}
[Fact]
public void IsValidTests()
{
// Arrange
var attribute = new FileExtensionsAttribute();
// Act & Assert
Assert.True(attribute.IsValid(null)); // Optional values are always valid
Assert.True(attribute.IsValid("foo.png"));
Assert.True(attribute.IsValid("foo.jpeg"));
Assert.True(attribute.IsValid("foo.jpg"));
Assert.True(attribute.IsValid("foo.gif"));
Assert.True(attribute.IsValid(@"C:\Foo\baz.jpg"));
Assert.False(attribute.IsValid("foo"));
Assert.False(attribute.IsValid("foo.png.pif"));
Assert.False(attribute.IsValid(@"C:\foo.png\bar"));
Assert.False(attribute.IsValid("\0foo.png")); // Illegal character
}
}
}
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