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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
const { Service } = ChromeUtils.importESModule(
"resource://services-sync/service.sys.mjs"
);
function PetrolEngine() {}
PetrolEngine.prototype.name = "petrol";
PetrolEngine.prototype.finalize = async function () {};
function DieselEngine() {}
DieselEngine.prototype.name = "diesel";
DieselEngine.prototype.finalize = async function () {};
function DummyEngine() {}
DummyEngine.prototype.name = "dummy";
DummyEngine.prototype.finalize = async function () {};
class ActualEngine extends SyncEngine {
constructor(service) {
super("Actual", service);
}
}
add_task(async function test_basics() {
_("We start out with a clean slate");
let manager = new EngineManager(Service);
let engines = await manager.getAll();
Assert.equal(engines.length, 0);
Assert.equal(await manager.get("dummy"), undefined);
_("Register an engine");
await manager.register(DummyEngine);
let dummy = await manager.get("dummy");
Assert.ok(dummy instanceof DummyEngine);
engines = await manager.getAll();
Assert.equal(engines.length, 1);
Assert.equal(engines[0], dummy);
_("Register an already registered engine is ignored");
await manager.register(DummyEngine);
Assert.equal(await manager.get("dummy"), dummy);
_("Register multiple engines in one go");
await manager.register([PetrolEngine, DieselEngine]);
let petrol = await manager.get("petrol");
let diesel = await manager.get("diesel");
Assert.ok(petrol instanceof PetrolEngine);
Assert.ok(diesel instanceof DieselEngine);
engines = await manager.getAll();
Assert.equal(engines.length, 3);
Assert.notEqual(engines.indexOf(petrol), -1);
Assert.notEqual(engines.indexOf(diesel), -1);
_("Retrieve multiple engines in one go");
engines = await manager.get(["dummy", "diesel"]);
Assert.equal(engines.length, 2);
Assert.notEqual(engines.indexOf(dummy), -1);
Assert.notEqual(engines.indexOf(diesel), -1);
_("getEnabled() only returns enabled engines");
engines = await manager.getEnabled();
Assert.equal(engines.length, 0);
petrol.enabled = true;
engines = await manager.getEnabled();
Assert.equal(engines.length, 1);
Assert.equal(engines[0], petrol);
dummy.enabled = true;
diesel.enabled = true;
engines = await manager.getEnabled();
Assert.equal(engines.length, 3);
_("getEnabled() returns enabled engines in sorted order");
petrol.syncPriority = 1;
dummy.syncPriority = 2;
diesel.syncPriority = 3;
engines = await manager.getEnabled();
Assert.deepEqual(engines, [petrol, dummy, diesel]);
_("Changing the priorities should change the order in getEnabled()");
dummy.syncPriority = 4;
engines = await manager.getEnabled();
Assert.deepEqual(engines, [petrol, diesel, dummy]);
_("Unregister an engine by name");
await manager.unregister("dummy");
Assert.equal(await manager.get("dummy"), undefined);
engines = await manager.getAll();
Assert.equal(engines.length, 2);
Assert.equal(engines.indexOf(dummy), -1);
_("Unregister an engine by value");
// manager.unregister() checks for instanceof Engine, so let's make one:
await manager.register(ActualEngine);
let actual = await manager.get("actual");
Assert.ok(actual instanceof ActualEngine);
Assert.ok(actual instanceof SyncEngine);
await manager.unregister(actual);
Assert.equal(await manager.get("actual"), undefined);
});
class AutoEngine {
constructor(type) {
this.name = "automobile";
this.type = type;
this.initializeCalled = false;
this.finalizeCalled = false;
this.isActive = false;
}
async initialize() {
Assert.ok(!this.initializeCalled);
Assert.equal(AutoEngine.current, undefined);
this.initializeCalled = true;
this.isActive = true;
AutoEngine.current = this;
}
async finalize() {
Assert.equal(AutoEngine.current, this);
Assert.ok(!this.finalizeCalled);
Assert.ok(this.isActive);
this.finalizeCalled = true;
this.isActive = false;
AutoEngine.current = undefined;
}
}
class GasolineEngine extends AutoEngine {
constructor() {
super("gasoline");
}
}
class ElectricEngine extends AutoEngine {
constructor() {
super("electric");
}
}
add_task(async function test_alternates() {
let manager = new EngineManager(Service);
let engines = await manager.getAll();
Assert.equal(engines.length, 0);
const prefName = "services.sync.engines.automobile.electric";
Services.prefs.clearUserPref(prefName);
await manager.registerAlternatives(
"automobile",
prefName,
ElectricEngine,
GasolineEngine
);
let gasEngine = manager.get("automobile");
Assert.equal(gasEngine.type, "gasoline");
Assert.ok(gasEngine.isActive);
Assert.ok(gasEngine.initializeCalled);
Assert.ok(!gasEngine.finalizeCalled);
Assert.equal(AutoEngine.current, gasEngine);
_("Check that setting the controlling pref to false makes no difference");
Services.prefs.setBoolPref(prefName, false);
Assert.equal(manager.get("automobile"), gasEngine);
Assert.ok(gasEngine.isActive);
Assert.ok(gasEngine.initializeCalled);
Assert.ok(!gasEngine.finalizeCalled);
_("Even after the call to switchAlternatives");
await manager.switchAlternatives();
Assert.equal(manager.get("automobile"), gasEngine);
Assert.ok(gasEngine.isActive);
Assert.ok(gasEngine.initializeCalled);
Assert.ok(!gasEngine.finalizeCalled);
_("Set the pref to true, we still shouldn't switch yet");
Services.prefs.setBoolPref(prefName, true);
Assert.equal(manager.get("automobile"), gasEngine);
Assert.ok(gasEngine.isActive);
Assert.ok(gasEngine.initializeCalled);
Assert.ok(!gasEngine.finalizeCalled);
_("Now we expect to switch from gas to electric");
await manager.switchAlternatives();
let elecEngine = manager.get("automobile");
Assert.equal(elecEngine.type, "electric");
Assert.ok(elecEngine.isActive);
Assert.ok(elecEngine.initializeCalled);
Assert.ok(!elecEngine.finalizeCalled);
Assert.equal(AutoEngine.current, elecEngine);
Assert.ok(!gasEngine.isActive);
Assert.ok(gasEngine.finalizeCalled);
_("Switch back, and ensure we get a new instance that got initialized again");
Services.prefs.setBoolPref(prefName, false);
await manager.switchAlternatives();
// First make sure we deactivated the electric engine as we should
Assert.ok(!elecEngine.isActive);
Assert.ok(elecEngine.initializeCalled);
Assert.ok(elecEngine.finalizeCalled);
let newGasEngine = manager.get("automobile");
Assert.notEqual(newGasEngine, gasEngine);
Assert.equal(newGasEngine.type, "gasoline");
Assert.ok(newGasEngine.isActive);
Assert.ok(newGasEngine.initializeCalled);
Assert.ok(!newGasEngine.finalizeCalled);
_("Make sure unregister removes the alt info too");
await manager.unregister("automobile");
Assert.equal(manager.get("automobile"), null);
Assert.ok(newGasEngine.finalizeCalled);
Assert.deepEqual(Object.keys(manager._altEngineInfo), []);
});
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