private ControllerActionDescriptor InvokeActionSelector(RouteContext context)
{
var actionDescriptorProvider = GetActionDescriptorProvider();
var serviceContainer = new ServiceCollection();
var list = new List<IActionDescriptorProvider>()
{
actionDescriptorProvider,
};
serviceContainer.AddSingleton(typeof(IEnumerable<IActionDescriptorProvider>), list);
var actionDescriptorCollectionProvider = new ActionDescriptorCollectionProvider(
serviceContainer.BuildServiceProvider());
var decisionTreeProvider = new ActionSelectorDecisionTreeProvider(actionDescriptorCollectionProvider);
var actionConstraintProviders = new[]
{
new DefaultActionConstraintProvider(),
};
var actionSelector = new ActionSelector(
decisionTreeProvider,
GetActionConstraintCache(actionConstraintProviders),
NullLoggerFactory.Instance);
var candidates = actionSelector.SelectCandidates(context);
return (ControllerActionDescriptor)actionSelector.SelectBestCandidate(context, candidates);
}
private static ActionSelector CreateSelector(IReadOnlyList<ActionDescriptor> actions, ILoggerFactory loggerFactory = null)
{
loggerFactory = loggerFactory ?? NullLoggerFactory.Instance;
var actionProvider = new Mock<IActionDescriptorCollectionProvider>(MockBehavior.Strict);
actionProvider
.Setup(p => p.ActionDescriptors).Returns(new ActionDescriptorCollection(actions, 0));
var decisionTreeProvider = new ActionSelectorDecisionTreeProvider(actionProvider.Object);
var actionConstraintProviders = new IActionConstraintProvider[] {
new DefaultActionConstraintProvider(),
new BooleanConstraintProvider(),
};
return new ActionSelector(
decisionTreeProvider,
GetActionConstraintCache(actionConstraintProviders),
loggerFactory);
}
