michael@0: /* Any copyright is dedicated to the Public Domain.
michael@0:    http://creativecommons.org/publicdomain/zero/1.0/ */
michael@0: 
michael@0: Cu.import("resource://gre/modules/Log.jsm");
michael@0: Cu.import("resource://services-sync/engines/forms.js");
michael@0: Cu.import("resource://services-sync/service.js");
michael@0: Cu.import("resource://services-sync/util.js");
michael@0: 
michael@0: function run_test() {
michael@0:   _("Verify we've got an empty tracker to work with.");
michael@0:   let engine = new FormEngine(Service);
michael@0:   let tracker = engine._tracker;
michael@0:   // Don't do asynchronous writes.
michael@0:   tracker.persistChangedIDs = false;
michael@0: 
michael@0:   do_check_empty(tracker.changedIDs);
michael@0:   Log.repository.rootLogger.addAppender(new Log.DumpAppender());
michael@0: 
michael@0:   function addEntry(name, value) {
michael@0:     engine._store.create({name: name, value: value});
michael@0:   }
michael@0:   function removeEntry(name, value) {
michael@0:     guid = engine._findDupe({name: name, value: value});
michael@0:     engine._store.remove({id: guid});
michael@0:   }
michael@0: 
michael@0:   try {
michael@0:     _("Create an entry. Won't show because we haven't started tracking yet");
michael@0:     addEntry("name", "John Doe");
michael@0:     do_check_empty(tracker.changedIDs);
michael@0: 
michael@0:     _("Tell the tracker to start tracking changes.");
michael@0:     Svc.Obs.notify("weave:engine:start-tracking");
michael@0:     removeEntry("name", "John Doe");
michael@0:     addEntry("email", "john@doe.com");
michael@0:     do_check_attribute_count(tracker.changedIDs, 2);
michael@0: 
michael@0:     _("Notifying twice won't do any harm.");
michael@0:     Svc.Obs.notify("weave:engine:start-tracking");
michael@0:     addEntry("address", "Memory Lane");
michael@0:     do_check_attribute_count(tracker.changedIDs, 3);
michael@0: 
michael@0:     _("Let's stop tracking again.");
michael@0:     tracker.clearChangedIDs();
michael@0:     Svc.Obs.notify("weave:engine:stop-tracking");
michael@0:     removeEntry("address", "Memory Lane");
michael@0:     do_check_empty(tracker.changedIDs);
michael@0: 
michael@0:     _("Notifying twice won't do any harm.");
michael@0:     Svc.Obs.notify("weave:engine:stop-tracking");
michael@0:     removeEntry("email", "john@doe.com");
michael@0:     do_check_empty(tracker.changedIDs);
michael@0: 
michael@0:   } finally {
michael@0:     _("Clean up.");
michael@0:     engine._store.wipe();
michael@0:   }
michael@0: }