Umbraco-CMS/src/Umbraco.Core/Configuration/HealthChecks/CompilationDebugCheck.cs

using System.Collections.Generic;
using Microsoft.Extensions.Logging;
using Umbraco.Core.Hosting;
using Umbraco.Core.IO;
using Umbraco.Core.Services;

namespace Umbraco.Web.HealthCheck.Checks.Config
{
    [HealthCheck("61214FF3-FC57-4B31-B5CF-1D095C977D6D", "Debug Compilation Mode",
        Description = "Leaving debug compilation mode enabled can severely slow down a website and take up more memory on the server.",
        Group = "Live Environment")]
    public class CompilationDebugCheck : AbstractConfigCheck
    {
        public CompilationDebugCheck(ILocalizedTextService textService, IHostingEnvironment hostingEnvironment, ILoggerFactory loggerFactory)
            : base(textService, hostingEnvironment, loggerFactory)
        { }

        public override string FilePath => "~/Web.config";

        public override string XPath => "/configuration/system.web/compilation/@debug";

        public override ValueComparisonType ValueComparisonType => ValueComparisonType.ShouldEqual;

        public override bool ValidIfConfigMissing => true;

        public override IEnumerable<AcceptableConfiguration> Values => new List<AcceptableConfiguration>
        {
            new AcceptableConfiguration { IsRecommended = true, Value = bool.FalseString.ToLower() }
        };

        public override string CheckSuccessMessage => TextService.Localize("healthcheck/compilationDebugCheckSuccessMessage");

        public override string CheckErrorMessage => TextService.Localize("healthcheck/compilationDebugCheckErrorMessage");

        public override string RectifySuccessMessage => TextService.Localize("healthcheck/compilationDebugCheckRectifySuccessMessage");
    }
}