public FileLoggerTests()
{
_settings = Substitute.For <IFileLoggerSettings>();
_settings.LogLevel.Returns(LogLevel.Info);
_settings.Directory.Returns("C:\\Test");
_settings.FileName.Returns("Log_{0}.txt");
_settings.MessageFormat.Returns("{0}\t{1:yyyy-MM-dd_HH:mm}:\t{2}");
_fileSystem = Substitute.For <IFileSystem>();
_fileSystem.AppendFileAsync(Arg.Any <string>(), Arg.Any <string>()).Returns(Task.CompletedTask);
_logger = new Logger.FileLogger(_settings, _fileSystem);
}
protected override async Task WriteMessageAsync(string message, LogLevel logLevel)
{
string fileName = Path.Combine(_settings.Directory, string.Format(_settings.FileName, DateTime.UtcNow.ToString("yyyy-MM-dd")));
await _fileSystem.AppendFileAsync(fileName, message);
}
