notificationValidator.lua

ax = require("hs._asm.axuielement")
app = hs.application("Final Cut Pro")
ae = ax.applicationElement(app)
o = ax.observer.new(app:pid())

processChildren = function(child)
    failureCount = 0
    failures = ""
    for i, notification in pairs(ax.observer.notifications) do
        local status, err = pcall(function() o:addWatcher(child, notification) end)
        if not status then
            failureCount = failureCount + 1
            if i == #ax.observer.notifications then
                failures = failures .. notification
            else
                failures = failures .. notification .. ", "
            end
        end
    end
    if failureCount == 0 then
        print(string.format("All notifications available for: %s", child))
    else
        if failureCount == #ax.observer.notifications then
            print(string.format("ERROR: All notifications unavailable for: %s", child))
        else
            print(string.format("ERROR: Some notifications unavailable for: %s (%s)", child, failures))
        end
    end    

    children = child:attributeValue("AXChildren")
    if children and #children > 0 then
        for _, v in pairs(children) do
            processChildren(v)
        end
    end

end

rootChildren = ae:attributeValue("AXChildren")
if #rootChildren > 0 then
    print(string.format("PROCESSING: %s", app))
    print("--------------------------------------")
    for i, v in pairs(rootChildren) do
        processChildren(v)
    end
else
    print("ERROR: There are no root children in application, so aborting.")
end