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Correct IsCustomType extension method, add more tests to TypeExtensionsTest.cs #32

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Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
using System;
using System.Collections;
using System.Linq;

namespace SharpGrip.FluentValidation.AutoValidation.Shared.Extensions
Expand All @@ -7,18 +8,12 @@ public static class TypeExtensions
{
public static bool IsCustomType(this Type? type)
{
var builtInTypes = new[]
{
typeof(string),
typeof(decimal),
typeof(DateTime),
typeof(DateTimeOffset),
typeof(TimeSpan),
typeof(Guid),
typeof(Enum)
};

return type != null && type.IsClass && !type.IsEnum && !type.IsValueType && !type.IsPrimitive && !builtInTypes.Contains(type);
return type != null
&& type.IsClass
&& !type.IsEnum
&& !type.IsValueType
&& !type.IsPrimitive
&& type != typeof(string);
}

public static bool HasCustomAttribute<TAttribute>(this Type type) where TAttribute : Attribute
Expand Down
Original file line number Diff line number Diff line change
@@ -1,40 +1,50 @@
using System;
using SharpGrip.FluentValidation.AutoValidation.Mvc.Attributes;
using SharpGrip.FluentValidation.AutoValidation.Mvc.Attributes;
using SharpGrip.FluentValidation.AutoValidation.Shared.Extensions;
using System;
using System.Collections.Generic;
using Xunit;

namespace SharpGrip.FluentValidation.AutoValidation.Tests.FluentValidation.AutoValidation.Shared.Extensions;

public class TypeExtensionsTest
{
[Fact]
public void Test_IsCustomType()
[Theory]
[InlineData(typeof(TestModelEnum))]
[InlineData(typeof(string))]
[InlineData(typeof(char))]
[InlineData(typeof(short))]
[InlineData(typeof(ushort))]
[InlineData(typeof(int))]
[InlineData(typeof(uint))]
[InlineData(typeof(nint))]
[InlineData(typeof(nuint))]
[InlineData(typeof(long))]
[InlineData(typeof(ulong))]
[InlineData(typeof(double))]
[InlineData(typeof(float))]
[InlineData(typeof(decimal))]
[InlineData(typeof(byte))]
[InlineData(typeof(sbyte))]
[InlineData(typeof(DateTime))]
[InlineData(typeof(DateTimeOffset))]
[InlineData(typeof(TimeSpan))]
[InlineData(typeof(Guid))]
[InlineData(typeof(DateOnly))]
[InlineData(typeof(TimeOnly))]
[InlineData(null)]
public void Test_IsCustomType_Negative(Type? type)
{
Assert.False(type.IsCustomType(), $"Type {type?.Name} was considered as custom type");
}

[Theory]
[InlineData(typeof(TestModelClass))]
[InlineData(typeof(TestModelRecord))]
[InlineData(typeof(TestModelClass[]))]
[InlineData(typeof(TestModelRecord[]))]
public void Test_IsCustomType_Positive(Type? type)
{
Assert.True(typeof(TestModelClass).IsCustomType());
Assert.True(typeof(TestModelRecord).IsCustomType());
Assert.False(typeof(TestModelEnum).IsCustomType());
Assert.False(typeof(Enum).IsCustomType());
Assert.False(typeof(string).IsCustomType());
Assert.False(typeof(char).IsCustomType());
Assert.False(typeof(short).IsCustomType());
Assert.False(typeof(ushort).IsCustomType());
Assert.False(typeof(int).IsCustomType());
Assert.False(typeof(uint).IsCustomType());
Assert.False(typeof(nint).IsCustomType());
Assert.False(typeof(nuint).IsCustomType());
Assert.False(typeof(long).IsCustomType());
Assert.False(typeof(ulong).IsCustomType());
Assert.False(typeof(double).IsCustomType());
Assert.False(typeof(float).IsCustomType());
Assert.False(typeof(decimal).IsCustomType());
Assert.False(typeof(byte).IsCustomType());
Assert.False(typeof(sbyte).IsCustomType());
Assert.False(typeof(DateTime).IsCustomType());
Assert.False(typeof(DateTimeOffset).IsCustomType());
Assert.False(typeof(TimeSpan).IsCustomType());
Assert.False(typeof(Guid).IsCustomType());
Assert.False(typeof(DateOnly).IsCustomType());
Assert.False(typeof(TimeOnly).IsCustomType());
Assert.True(type.IsCustomType(), $"Type {type?.Name} was not considered as custom type");
}

[Fact]
Expand Down