/// <summary>
/// Waits until query is printed on session output and
/// executes handler. The output including expected query is
/// passed to handler.
/// </summary>
/// <param name="query">expected output</param>
/// <param name="handler">action to be performed, it accepts session output as ana argument</param>
/// <exception cref="System.TimeoutException">Thrown when query is not find for given
/// amount of time</exception>
public async Task ExpectAsync(string query, ExpectedHandlerWithOutput handler)
{
Task timeoutTask = null;
if (_timeout > 0)
{
timeoutTask = Task.Delay(_timeout);
}
_output = "";
bool expectedQueryFound = false;
while (!expectedQueryFound)
{
Task <string> task = _spawnable.ReadAsync();
IList <Task> tasks = new List <Task>();
tasks.Add(task);
if (timeoutTask != null)
{
tasks.Add(timeoutTask);
}
Task any = await Task.WhenAny(tasks).ConfigureAwait(false);
if (task == any)
{
_output += await task.ConfigureAwait(false);
expectedQueryFound = _output.Contains(query);
if (expectedQueryFound)
{
handler(_output);
}
}
else
{
throw new TimeoutException();
}
}
}
/// <summary>
/// Waits until query is printed on session output and
/// executes handler. The output including expected query is
/// passed to handler.
/// </summary>
/// <param name="query">expected output</param>
/// <param name="handler">action to be performed, it accepts session output as ana argument</param>
/// <exception cref="System.TimeoutException">Thrown when query is not find for given
/// amount of time</exception>
private async Task ExpectAsync(IMatcher matcher, ExpectedHandlerWithOutput handler)
{
Task timeoutTask = null;
if (_timeout > 0)
{
timeoutTask = Task.Delay(_timeout);
}
_output_buffer = "";
bool expectedQueryFound = false;
while (!expectedQueryFound)
{
Task <string> task = _spawnable.ReadAsync();
IList <Task> tasks = new List <Task>();
tasks.Add(task);
if (timeoutTask != null)
{
tasks.Add(timeoutTask);
}
Task any = await Task.WhenAny(tasks).ConfigureAwait(false);
if (task == any)
{
_output_buffer += await task.ConfigureAwait(false);
expectedQueryFound = matcher.IsMatch(_output_buffer);
if (expectedQueryFound)
{
handler(_output_buffer);
}
}
else
{
throw new TimeoutException();
}
}
}