services/sync/tests/unit/test_prefs_tracker.js

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/services/sync/tests/unit/test_prefs_tracker.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,88 @@
     1.4 +/* Any copyright is dedicated to the Public Domain.
     1.5 +   http://creativecommons.org/publicdomain/zero/1.0/ */
     1.6 +
     1.7 +Cu.import("resource://gre/modules/Preferences.jsm");
     1.8 +Cu.import("resource://services-common/utils.js");
     1.9 +Cu.import("resource://services-sync/constants.js");
    1.10 +Cu.import("resource://services-sync/engines/prefs.js");
    1.11 +Cu.import("resource://services-sync/service.js");
    1.12 +Cu.import("resource://services-sync/util.js");
    1.13 +
    1.14 +function run_test() {
    1.15 +  let engine = Service.engineManager.get("prefs");
    1.16 +  let tracker = engine._tracker;
    1.17 +
    1.18 +  // Don't write out by default.
    1.19 +  tracker.persistChangedIDs = false;
    1.20 +
    1.21 +  let prefs = new Preferences();
    1.22 +
    1.23 +  try {
    1.24 +
    1.25 +    _("tracker.modified corresponds to preference.");
    1.26 +    do_check_eq(Svc.Prefs.get("engine.prefs.modified"), undefined);
    1.27 +    do_check_false(tracker.modified);
    1.28 +
    1.29 +    tracker.modified = true;
    1.30 +    do_check_eq(Svc.Prefs.get("engine.prefs.modified"), true);
    1.31 +    do_check_true(tracker.modified);
    1.32 +
    1.33 +    _("Engine's getChangedID() just returns the one GUID we have.");
    1.34 +    let changedIDs = engine.getChangedIDs();
    1.35 +    let ids = Object.keys(changedIDs);
    1.36 +    do_check_eq(ids.length, 1);
    1.37 +    do_check_eq(ids[0], CommonUtils.encodeBase64URL(Services.appinfo.ID));
    1.38 +
    1.39 +    Svc.Prefs.set("engine.prefs.modified", false);
    1.40 +    do_check_false(tracker.modified);
    1.41 +
    1.42 +    _("No modified state, so no changed IDs.");
    1.43 +    do_check_empty(engine.getChangedIDs());
    1.44 +
    1.45 +    _("Initial score is 0");
    1.46 +    do_check_eq(tracker.score, 0);
    1.47 +
    1.48 +    _("Test fixtures.");
    1.49 +    Svc.Prefs.set("prefs.sync.testing.int", true);
    1.50 +
    1.51 +    _("Test fixtures haven't upped the tracker score yet because it hasn't started tracking yet.");
    1.52 +    do_check_eq(tracker.score, 0);
    1.53 +
    1.54 +    _("Tell the tracker to start tracking changes.");
    1.55 +    Svc.Obs.notify("weave:engine:start-tracking");
    1.56 +    prefs.set("testing.int", 23);
    1.57 +    do_check_eq(tracker.score, SCORE_INCREMENT_XLARGE);
    1.58 +    do_check_eq(tracker.modified, true);
    1.59 +
    1.60 +    _("Clearing changed IDs reset modified status.");
    1.61 +    tracker.clearChangedIDs();
    1.62 +    do_check_eq(tracker.modified, false);
    1.63 +
    1.64 +    _("Resetting a pref ups the score, too.");
    1.65 +    prefs.reset("testing.int");
    1.66 +    do_check_eq(tracker.score, SCORE_INCREMENT_XLARGE * 2);
    1.67 +    do_check_eq(tracker.modified, true);
    1.68 +    tracker.clearChangedIDs();
    1.69 +
    1.70 +    _("So does changing a pref sync pref.");
    1.71 +    Svc.Prefs.set("prefs.sync.testing.int", false);
    1.72 +    do_check_eq(tracker.score, SCORE_INCREMENT_XLARGE * 3);
    1.73 +    do_check_eq(tracker.modified, true);
    1.74 +    tracker.clearChangedIDs();
    1.75 +
    1.76 +    _("Now that the pref sync pref has been flipped, changes to it won't be picked up.");
    1.77 +    prefs.set("testing.int", 42);
    1.78 +    do_check_eq(tracker.score, SCORE_INCREMENT_XLARGE * 3);
    1.79 +    do_check_eq(tracker.modified, false);
    1.80 +    tracker.clearChangedIDs();
    1.81 +
    1.82 +    _("Changing some other random pref won't do anything.");
    1.83 +    prefs.set("testing.other", "blergh");
    1.84 +    do_check_eq(tracker.score, SCORE_INCREMENT_XLARGE * 3);
    1.85 +    do_check_eq(tracker.modified, false);
    1.86 +
    1.87 +  } finally {
    1.88 +    Svc.Obs.notify("weave:engine:stop-tracking");
    1.89 +    prefs.resetBranch("");
    1.90 +  }
    1.91 +}

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