public void TestAsyncDefaultLoginTimeout()
{
using (var conn = new MockSnowflakeDbConnection())
{
conn.ConnectionString = ConnectionString;
Assert.AreEqual(conn.State, ConnectionState.Closed);
CancellationTokenSource connectionCancelToken = new CancellationTokenSource();
Stopwatch stopwatch = Stopwatch.StartNew();
try
{
Task connectTask = conn.OpenAsync(connectionCancelToken.Token);
connectTask.Wait();
}
catch (AggregateException e)
{
Assert.AreEqual(SFError.INTERNAL_ERROR.GetAttribute <SFErrorAttr>().errorCode,
((SnowflakeDbException)e.InnerException).ErrorCode);
}
stopwatch.Stop();
// Should timeout after the default timeout (120 sec)
Assert.GreaterOrEqual(stopwatch.ElapsedMilliseconds, 120 * 1000);
// But never more than 16 sec (max backoff) after the default timeout
Assert.LessOrEqual(stopwatch.ElapsedMilliseconds, (120 + 16) * 1000);
Assert.AreEqual(ConnectionState.Closed, conn.State);
Assert.AreEqual(120, conn.ConnectionTimeout);
}
}
public void TestCancelLoginBeforeTimeout()
{
using (var conn = new MockSnowflakeDbConnection())
{
// No timeout
int timeoutSec = 0;
string infiniteLoginTimeOut = String.Format(ConnectionString + ";connection_timeout={0}",
timeoutSec);
conn.ConnectionString = infiniteLoginTimeOut;
Assert.AreEqual(conn.State, ConnectionState.Closed);
// At this point the connection string has not been parsed, it will return the
// default value
//Assert.AreEqual(15, conn.ConnectionTimeout);
CancellationTokenSource connectionCancelToken = new CancellationTokenSource();
logger.Debug("TestNoLoginTimeout token " + connectionCancelToken.Token.GetHashCode());
Task connectTask = conn.OpenAsync(connectionCancelToken.Token);
// Sleep for 16min (more than the default connection timeout and the httpclient
// timeout to make sure there are no false positive )
Thread.Sleep(16 * 60 * 1000);
Assert.AreEqual(ConnectionState.Connecting, conn.State);
// Cancel the connection because it will never succeed since there is no
// connection_timeout defined
logger.Debug("connectionCancelToken.Cancel ");
connectionCancelToken.Cancel();
try
{
connectTask.Wait();
}
catch (AggregateException e)
{
Assert.AreEqual(
"System.Threading.Tasks.TaskCanceledException",
e.InnerException.GetType().ToString());
}
Assert.AreEqual(ConnectionState.Closed, conn.State);
Assert.AreEqual(0, conn.ConnectionTimeout);
}
}