public async Task <T> ExecuteReaderAsync <T>(string script, Action <DbCommand> setParams,
Func <DbDataReader, CancellationToken, Task <T> > callbackAsync)
{
using (var op = SnTrace.Database.StartOperation(GetOperationMessage("ExecuteReaderAsync", script)))
{
try
{
using (var cmd = CreateCommand())
{
cmd.Connection = OpenConnection();
cmd.CommandTimeout = Configuration.Data.DbCommandTimeout;
cmd.CommandText = script;
cmd.CommandType = CommandType.Text;
cmd.Transaction = _transaction?.Transaction;
setParams?.Invoke(cmd);
var cancellationToken = _transaction?.CancellationToken ?? _cancellationToken;
using (var reader = (DbDataReader)await cmd.ExecuteReaderAsync(cancellationToken).ConfigureAwait(false))
{
cancellationToken.ThrowIfCancellationRequested();
var result = await callbackAsync(reader, cancellationToken).ConfigureAwait(false);
op.Successful = true;
return(result);
}
}
}
catch (Exception e)
{
SnTrace.WriteError(e.ToString());
throw;
}
}
}
public void SnTrace_WriteError()
{
CleanupAndEnableAll();
SnTrace.WriteError("asdf");
var log = DisableAllAndGetLog();
Assert.AreEqual(1, log.Count);
Assert.AreEqual("ERROR", GetColumnFromLine(log[0], 6));
Assert.IsTrue(log[0].EndsWith("asdf"));
}