بررسی فراخوانی شدن ILogger در UnitTest

using Moq;

private readonly Mock<ILogger<Worker>> _logger;

public WorkerTest()
{
    _logger = new Mock<ILogger<Worker>>();

    ConfigLogger();
}

private void ConfigLogger()
{
    _logger
        .Setup(x =>
            x.Log(
                It.IsAny<LogLevel>(),
                It.IsAny<EventId>(),
                It.IsAny<It.IsAnyType>(),
                It.IsAny<Exception>(),
                ((Func<It.IsAnyType, Exception, string>)It.IsAny<object>())!
            )
        )
        .Callback(new InvocationAction(invocation =>
        {
            var logLevel = (LogLevel)invocation.Arguments[0];
            var eventId = (EventId)invocation.Arguments[1];
            var state = invocation.Arguments[2];
            var exception = (Exception)invocation.Arguments[3];
            var formatter = invocation.Arguments[4];

            var invokeMethod = formatter.GetType().GetMethod("Invoke");
            var logMessage = (string)invokeMethod?.Invoke(formatter, new[] { state, exception });

            Trace.WriteLine($"{logLevel} - {logMessage}");
        }));
}