private IUnitTestElement GetDynamicTheoryElement(Dictionary <RemoteTask, IUnitTestElement> tasks, XunitTestTheoryTask theoryTask)
{
var methodElement = (from kvp in tasks
where kvp.Key is XunitTestMethodTask &&
IsParentMethodTask((XunitTestMethodTask)kvp.Key, theoryTask)
select kvp.Value).FirstOrDefault() as XunitTestMethodElement;
if (methodElement == null)
{
return(null);
}
using (ReadLockCookie.Create())
{
var project = methodElement.GetProject();
if (project == null)
{
return(null);
}
var element = UnitTestElementFactory.GetTestTheory(project, methodElement, theoryTask.TheoryName);
// Make sure we return an element, even if the system already knows about it. If it's
// part of the test run, it will already have been added in GetTaskSequence, and this
// method (GetDynamicElement) doesn't get called. But if you try and run just a single
// theory, xunit will run ALL theories for that method, and will need the elements
// for those theories not included in the task sequence. This is necessary because if
// one of those theories throws an exception, UnitTestLaunch.TaskException doesn't
// have an element to report against, and displays a message box
if (element != null)
{
// If the element is invalid, it's been removed from its parent, so add it back,
// and reset the state
if (element.State == UnitTestElementState.Invalid)
{
element.State = UnitTestElementState.Dynamic;
element.Parent = methodElement;
}
element.SetCategories(methodElement.Categories);
return(element);
}
return(UnitTestElementFactory.CreateTestTheory(this, project, methodElement, theoryTask.TheoryName));
}
}
