SystemExtensions/SystemExtensions.Tests/Logging/Models/CachingLogger.cs

using Microsoft.Extensions.Logging;
using System;
using System.Collections.Generic;

namespace SystemExtensions.NetStandard.Tests.Logging.Models;

public sealed class CachingLogger<T> : ILogger<T>
{
    public List<string> LogCache { get; } = new();

    public IDisposable BeginScope<TState>(TState state)
    {
        throw new NotImplementedException();
    }

    public bool IsEnabled(LogLevel logLevel)
    {
        return true;
    }

    public void Log<TState>(LogLevel logLevel, EventId eventId, TState state, Exception exception, Func<TState, Exception, string> formatter)
    {
        var message = formatter(state, exception);
        this.LogCache.Add(message);
    }
}