aspnetcore/test/Microsoft.AspNetCore.Mvc.Vi.../MemberExpressionCacheKeyTes...

112 lines
3.1 KiB
C#

// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
using System.Collections.Generic;
using System.Linq.Expressions;
using System.Reflection;
using Xunit;
namespace Microsoft.AspNetCore.Mvc.ViewFeatures
{
public class MemberExpressionCacheKeyTest
{
[Fact]
public void GetEnumerator_ReturnsMembers()
{
// Arrange
var expected = new[]
{
typeof(TestModel3).GetProperty(nameof(TestModel3.Value)),
typeof(TestModel2).GetProperty(nameof(TestModel2.TestModel3)),
typeof(TestModel).GetProperty(nameof(TestModel.TestModel2)),
};
var key = GetKey(m => m.TestModel2.TestModel3.Value);
// Act
var actual = GetMembers(key);
// Assert
Assert.Equal(expected, actual);
}
[Fact]
public void GetEnumerator_WithNullableType_ReturnsMembers()
{
// Arrange
var expected = new[]
{
typeof(DateTime).GetProperty(nameof(DateTime.Ticks)),
typeof(DateTime?).GetProperty(nameof(Nullable<DateTime>.Value)),
typeof(TestModel).GetProperty(nameof(TestModel.NullableDateTime)),
};
var key = GetKey(m => m.NullableDateTime.Value.Ticks);
// Act
var actual = GetMembers(key);
// Assert
Assert.Equal(expected, actual);
}
[Fact]
public void GetEnumerator_WithValueType_ReturnsMembers()
{
// Arrange
var expected = new[]
{
typeof(DateTime).GetProperty(nameof(DateTime.Ticks)),
typeof(TestModel).GetProperty(nameof(TestModel.DateTime)),
};
var key = GetKey(m => m.DateTime.Ticks);
// Act
var actual = GetMembers(key);
// Assert
Assert.Equal(expected, actual);
}
private static MemberExpressionCacheKey GetKey<TResult>(Expression<Func<TestModel, TResult>> expression)
{
var memberExpression = Assert.IsAssignableFrom<MemberExpression>(expression.Body);
return new MemberExpressionCacheKey(typeof(TestModel), memberExpression);
}
private static IList<MemberInfo> GetMembers(MemberExpressionCacheKey key)
{
var members = new List<MemberInfo>();
foreach (var member in key)
{
members.Add(member);
}
return members;
}
public class TestModel
{
public TestModel2 TestModel2 { get; set; }
public DateTime DateTime { get; set; }
public DateTime? NullableDateTime { get; set; }
}
public class TestModel2
{
public string Name { get; set; }
public TestModel3 TestModel3 { get; set; }
}
public class TestModel3
{
public string Value { get; set; }
}
}
}