FileFlowsPlugins/BasicNodes/Tests/TestLogger.cs

#if (DEBUG)

namespace BasicNodes.Tests
{
    using FileFlows.Plugin;
    using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Text;
    using System.Threading.Tasks;

    internal class TestLogger : ILogger
    {
        private List<string> Messages = new List<string>();

        public void DLog(params object[] args) => Log("DBUG", args);

        public void ELog(params object[] args) => Log("ERRR", args);

        public void ILog(params object[] args) => Log("INFO", args);

        public void WLog(params object[] args) => Log("WARN", args);

        private void Log(string type, object[] args)
        {
            if (args == null || args.Length == 0)
                return;
            string message = type + " -> " +
                string.Join(", ", args.Select(x =>
                x == null ? "null" :
                x.GetType().IsPrimitive || x is string ? x.ToString() :
                System.Text.Json.JsonSerializer.Serialize(x)));
            Messages.Add(message);
        }

        public bool Contains(string message)
        {
            if (string.IsNullOrWhiteSpace(message))
                return false;

            string log = string.Join(Environment.NewLine, Messages);
            return log.Contains(message);
        }

        public string GetTail(int length = 50) => "Not implemented";
        
        public override string ToString()
            => string.Join(Environment.NewLine, this.Messages.ToArray());
    }
}

#endif