protected override void OnExecute(CommandProcessor theProcessor)
{
var rand = new Random();
if (Diagnostics.Settings.SimulateFileCorruption)
{
RandomError.Generate(
rand.Next() % 2 == 0,
String.Format("Corrupting the file {0}", _path),
delegate
{
var f = new FileInfo(_path);
long size = rand.Next(0, (int)f.Length / 2);
if (size <= 0)
{
FileStream s = FileStreamOpener.OpenForSoleUpdate(_path, FileMode.Truncate);
s.Flush();
s.Close();
}
else
{
FileStream s = FileStreamOpener.OpenForRead(_path, FileMode.Open);
var buffer = new byte[size];
int bytesRead = s.Read(buffer, 0, buffer.Length);
s.Close();
s = FileStreamOpener.OpenForSoleUpdate(_path, FileMode.Truncate);
s.Write(buffer, 0, bytesRead);
s.Flush();
s.Close();
}
}
);
}
}
public void ShouldReturnErrorCodeInCaseOfException()
{
IErraticService erraticServiceTest = new ErraticServiceImpl();
ExceptionService stubService = new ExceptionService();
RandomError randomError = erraticServiceTest.Execute(stubService);
RandomException lastExceptionThrown = stubService.GetLastExceptionThrown();
Assert.Equals(lastExceptionThrown.GetError().GetCode(), randomError.GetCode());
}
private static void SimulateErrors()
{
RandomError.Generate(Settings.SimulateEditError, "Update study errors");
}
