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// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
namespace System.Data.Entity.ModelConfiguration.Utilities
{
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using System.Linq;
using System.Reflection;
using System.Runtime.Serialization;
using Xunit;
public sealed class AttributeProviderTests
{
[Fact]
public void GetAttributes_returns_empty_enumerable_when_no_property_descriptor()
{
var attributes = new AttributeProvider().GetAttributes(new MockPropertyInfo());
Assert.Equal(0, attributes.Count());
}
[Fact]
public void GetAttributes_returns_correct_set_of_type_attributes()
{
var attributes = new AttributeProvider().GetAttributes(typeof(AttributeProviderTestClass));
Assert.Equal(1, attributes.OfType<DataContractAttribute>().Count());
Assert.Equal(1, attributes.OfType<TableAttribute>().Count());
}
[Fact]
public void GetAttributes_returns_correct_set_of_empty_type_attributes()
{
var attributes = new AttributeProvider().GetAttributes(typeof(AttributeProviderTestEmptyClass));
Assert.Equal(0, attributes.Count());
}
[Fact]
public void GetAttributes_returns_correct_set_of_property_attributes()
{
var attributes = new AttributeProvider()
.GetAttributes(typeof(AttributeProviderTestClass).GetProperty("MyProp"));
Assert.Equal(1, attributes.OfType<KeyAttribute>().Count());
Assert.Equal(1, attributes.OfType<RequiredAttribute>().Count());
Assert.Equal(1, attributes.OfType<DataMemberAttribute>().Count());
Assert.Equal(1, attributes.OfType<MaxLengthAttribute>().Count());
}
[Fact]
public void AttributeCollectionFactory_returns_correct_set_of_empty_property_attributes()
{
var attributes = new AttributeProvider()
.GetAttributes(typeof(AttributeProviderTestEmptyClass).GetProperty("MyProp"));
Assert.Equal(0, attributes.Count());
}
[Fact]
public void GetAttributes_returns_attributes_from_buddy_class()
{
var attributes = new AttributeProvider()
.GetAttributes(typeof(AttributeProviderTestClass).GetProperty("BuddyProp"));
Assert.Equal(1, attributes.OfType<KeyAttribute>().Count());
}
[Fact]
public void AttributeCollectionFactory_returns_only_property_attributes_for_complex_type()
{
var attributes = new AttributeProvider()
.GetAttributes(typeof(AttributeProviderEntityWithComplexProperty).GetProperty("CT"));
Assert.Equal(1, attributes.Count());
Assert.Equal(typeof(AttributeProviderEntityWithComplexProperty), ((CustomValidationAttribute)attributes.First()).ValidatorType);
Assert.Equal("ValidateProperty", ((CustomValidationAttribute)attributes.First()).Method);
}
[Fact]
public void GetAttributes_returns_correct_set_of_non_public_type_attributes()
{
var attributes = new AttributeProvider().GetAttributes(typeof(NonPublicAttributeProviderTestClass));
Assert.Equal(1, attributes.OfType<DataContractAttribute>().Count());
Assert.Equal(1, attributes.OfType<TableAttribute>().Count());
}
[Fact]
public void GetAttributes_returns_correct_set_of_non_public_property_attributes()
{
var attributes = new AttributeProvider()
.GetAttributes(
typeof(NonPublicAttributeProviderTestClass)
.GetProperty("MyProp", BindingFlags.NonPublic | BindingFlags.Instance));
Assert.Equal(1, attributes.OfType<KeyAttribute>().Count());
Assert.Equal(1, attributes.OfType<RequiredAttribute>().Count());
Assert.Equal(1, attributes.OfType<DataMemberAttribute>().Count());
Assert.Equal(1, attributes.OfType<MaxLengthAttribute>().Count());
}
[Fact]
public void GetAttributes_does_not_return_attributes_from_non_public_buddy_class()
{
var attributes = new AttributeProvider()
.GetAttributes(
typeof(NonPublicAttributeProviderTestClass)
.GetProperty("BuddyProp", BindingFlags.NonPublic | BindingFlags.Instance));
Assert.Equal(0, attributes.OfType<KeyAttribute>().Count());
}
#region Test Fixtures
[DataContract]
[Table("Foo")]
[MetadataType(typeof(AttributeProviderBuddyClass))]
public class AttributeProviderTestClass
{
[Key]
[Required]
[DataMember(Order = 55)]
[MaxLength(5)]
public string MyProp { get; set; }
public int BuddyProp { get; set; }
}
public class AttributeProviderTestEmptyClass
{
public string MyProp { get; set; }
}
public class AttributeProviderBuddyClass
{
[Key]
public int BuddyProp { get; set; }
}
[DataContract]
[Table("Foo")]
[MetadataType(typeof(NonPublicAttributeProviderBuddyClass))]
private class NonPublicAttributeProviderTestClass
{
[Key]
[Required]
[DataMember(Order = 55)]
[MaxLength(5)]
private string MyProp { get; set; }
private int BuddyProp { get; set; }
}
public class NonPublicAttributeProviderBuddyClass
{
[Key]
private int BuddyProp { get; set; }
}
[ComplexType]
[CustomValidation(typeof(AttributeProviderComplexType), "ValidateWholeType")]
public class AttributeProviderComplexType
{
public int Data { get; set; }
public static void ValidateWholeType()
{
}
}
public class AttributeProviderEntityWithComplexProperty
{
[CustomValidation(typeof(AttributeProviderEntityWithComplexProperty), "ValidateProperty")]
public AttributeProviderComplexType CT { get; set; }
public static void ValidateProperty()
{
}
}
#endregion
}
}
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