tenfourfox/services/sync/tests/unit/test_enginemanager.js
Cameron Kaiser c9b2922b70 hello FPR
2017-04-19 00:56:45 -07:00

115 lines
3.2 KiB
JavaScript

/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
Cu.import("resource://services-sync/engines.js");
Cu.import("resource://services-sync/service.js");
function run_test() {
run_next_test();
}
function PetrolEngine() {}
PetrolEngine.prototype.name = "petrol";
function DieselEngine() {}
DieselEngine.prototype.name = "diesel";
function DummyEngine() {}
DummyEngine.prototype.name = "dummy";
function ActualEngine() {}
ActualEngine.prototype = {__proto__: Engine.prototype,
name: 'actual'};
add_test(function test_basics() {
_("We start out with a clean slate");
let manager = new EngineManager(Service);
let engines = manager.getAll();
do_check_eq(engines.length, 0);
do_check_eq(manager.get('dummy'), undefined);
_("Register an engine");
manager.register(DummyEngine);
let dummy = manager.get('dummy');
do_check_true(dummy instanceof DummyEngine);
engines = manager.getAll();
do_check_eq(engines.length, 1);
do_check_eq(engines[0], dummy);
_("Register an already registered engine is ignored");
manager.register(DummyEngine);
do_check_eq(manager.get('dummy'), dummy);
_("Register multiple engines in one go");
manager.register([PetrolEngine, DieselEngine]);
let petrol = manager.get('petrol');
let diesel = manager.get('diesel');
do_check_true(petrol instanceof PetrolEngine);
do_check_true(diesel instanceof DieselEngine);
engines = manager.getAll();
do_check_eq(engines.length, 3);
do_check_neq(engines.indexOf(petrol), -1);
do_check_neq(engines.indexOf(diesel), -1);
_("Retrieve multiple engines in one go");
engines = manager.get(["dummy", "diesel"]);
do_check_eq(engines.length, 2);
do_check_neq(engines.indexOf(dummy), -1);
do_check_neq(engines.indexOf(diesel), -1);
_("getEnabled() only returns enabled engines");
engines = manager.getEnabled();
do_check_eq(engines.length, 0);
petrol.enabled = true;
engines = manager.getEnabled();
do_check_eq(engines.length, 1);
do_check_eq(engines[0], petrol);
dummy.enabled = true;
diesel.enabled = true;
engines = manager.getEnabled();
do_check_eq(engines.length, 3);
_("getEnabled() returns enabled engines in sorted order");
petrol.syncPriority = 1;
dummy.syncPriority = 2;
diesel.syncPriority = 3;
engines = manager.getEnabled();
do_check_array_eq(engines, [petrol, dummy, diesel]);
_("Changing the priorities should change the order in getEnabled()");
dummy.syncPriority = 4;
engines = manager.getEnabled();
do_check_array_eq(engines, [petrol, diesel, dummy]);
_("Unregister an engine by name");
manager.unregister('dummy');
do_check_eq(manager.get('dummy'), undefined);
engines = manager.getAll();
do_check_eq(engines.length, 2);
do_check_eq(engines.indexOf(dummy), -1);
_("Unregister an engine by value");
// manager.unregister() checks for instanceof Engine, so let's make one:
manager.register(ActualEngine);
let actual = manager.get('actual');
do_check_true(actual instanceof ActualEngine);
do_check_true(actual instanceof Engine);
manager.unregister(actual);
do_check_eq(manager.get('actual'), undefined);
run_next_test();
});