private void HandleException(Exception e, int taskId, TaskHost host)
{
if (e is AggregateException aggregate)
{
foreach (var inner in aggregate.InnerExceptions)
{
HandleException(inner, taskId, host);
}
}
else if (e.InnerException is Exception inner)
{
HandleException(inner, taskId, host);
}
else
{
_exceptions.Add(e);
host.UI.WriteErrorLine(GetMostHelpfulMessage(e));
var data = e.Data;
if (data != null)
{
data["TaskId"] = taskId;
}
}
}
public TestHarness(int taskId = 42)
{
MockHost = Mocks.Create <PSHost>();
MockUI = Mocks.Create <PSHostUserInterface>(MockBehavior.Loose);
MockHost
.SetupGet(h => h.UI)
.Returns(MockUI.Object);
TaskHost = new TaskHost(MockHost.Object, new ConsoleState(), taskId);
}
private void TaskMain(int taskId, TaskWork work)
{
var host = new TaskHost(Host, _console, taskId);
try
{
host.UI.WriteLine("Starting");
RunScript(taskId, work, host);
}
catch (Exception e)
{
_cancellation.Cancel();
HandleException(e, taskId, host);
}
finally
{
host.UI.WriteLine("Ended");
}
}
private void RunScript(int taskId, TaskWork work, TaskHost host)
{
var state = CreateInitialSessionState(taskId, work);
using (var runspace = RunspaceFactory.CreateRunspace(host, state))
{
runspace.Name = $"Invoke-Concurrent-{taskId}";
runspace.ThreadOptions = PSThreadOptions.UseCurrentThread;
runspace.Open();
using (var shell = PowerShell.Create())
{
var output = new PSDataCollection <PSObject>();
output.DataAdding += (s, e) => HandleOutput(taskId, e.ItemAdded);
shell.Runspace = runspace;
shell.AddScript(work.Script.ToString()).Invoke(null, output);
}
runspace.Close();
}
}
