Files
Umbraco-CMS/tests/Umbraco.Tests.Common/Testing/TestOptionAttributeBase.cs
Sebastiaan Janssen 87c06f5f98 Back to 10.2.0-ish
2022-09-19 16:14:16 +02:00

76 lines
2.4 KiB
C#

// Copyright (c) Umbraco.
// See LICENSE for more details.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using NUnit.Framework;
using NUnit.Framework.Internal;
using Umbraco.Cms.Core.Exceptions;
namespace Umbraco.Cms.Tests.Common.Testing;
public abstract class TestOptionAttributeBase : Attribute
{
[Obsolete("This is not used anymore - Test classes are found using nunit helpers")]
public static readonly List<Assembly> ScanAssemblies = new();
public static TOptions GetTestOptions<TOptions>(MethodInfo method)
where TOptions : TestOptionAttributeBase, new()
{
var attr = ((TOptions[])method.GetCustomAttributes(typeof(TOptions), true)).FirstOrDefault();
var type = method.DeclaringType;
return Get(type, attr);
}
public static TOptions GetFixtureOptions<TOptions>(Type type)
where TOptions : TestOptionAttributeBase, new() => Get<TOptions>(type, null);
public static TOptions GetTestOptions<TOptions>()
where TOptions : TestOptionAttributeBase, new()
{
var test = TestContext.CurrentContext.Test;
var methodName = test.MethodName;
var type = TestExecutionContext.CurrentContext.TestObject.GetType();
var methodInfo = type.GetMethod(methodName); // what about overloads?
var options = GetTestOptions<TOptions>(methodInfo);
return options;
}
private static TOptions Get<TOptions>(Type type, TOptions attr)
where TOptions : TestOptionAttributeBase, new()
{
while (type != null && type != typeof(object))
{
var attr2 = ((TOptions[])type.GetCustomAttributes(typeof(TOptions), true)).FirstOrDefault();
if (attr2 != null)
{
attr = attr == null ? attr2 : attr2.Merge(attr);
}
type = type.BaseType;
}
return attr ?? new TOptions();
}
private TOptions Merge<TOptions>(TOptions other)
where TOptions : TestOptionAttributeBase
{
if (other == null)
{
throw new ArgumentNullException(nameof(other));
}
if (!(Merge((TestOptionAttributeBase)other) is TOptions merged))
{
throw new PanicException("Could not merge test options");
}
return merged;
}
protected virtual TestOptionAttributeBase Merge(TestOptionAttributeBase other) => this;
}