// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using System.Linq;
using System.Reflection;
using FluentAssertions;
using Xunit;
 
namespace Microsoft.Extensions.Diagnostics.Enrichment.Test;
 
public class ApplicationEnricherTagTests
{
    [Fact]
    public void GetDimensionNames_ReturnsAnArrayOfDimensionNames()
    {
        var dimensions = ApplicationEnricherTags.DimensionNames;
 
        string[] expectedDimensions = GetStringConstants(typeof(ApplicationEnricherTags));
 
        dimensions.Should().BeEquivalentTo(expectedDimensions);
    }
 
    private static string[] GetStringConstants(IReflect type)
    {
        var fields = type.GetFields(BindingFlags.Public | BindingFlags.Static);
 
        return fields
            .Where(f => f.IsLiteral && f.FieldType == typeof(string))
            .Select(f => (string)f.GetValue(null)!)
            .ToArray();
    }
}