test_handler_service.js

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"use strict";

// Here we test that if an xpcom component is registered with the category

// manager for push notifications against a specific scope, that service is

// instantiated before the message is delivered.

const { MockRegistrar } = ChromeUtils.importESModule(

  "resource://testing-common/MockRegistrar.sys.mjs"

);

let pushService = Cc["@mozilla.org/push/Service;1"].getService(

  Ci.nsIPushService

);

function PushServiceHandler() {

  // Register a push observer.

  this.observed = [];

  Services.obs.addObserver(this, pushService.pushTopic);

  Services.obs.addObserver(this, pushService.subscriptionChangeTopic);

  Services.obs.addObserver(this, pushService.subscriptionModifiedTopic);

PushServiceHandler.prototype = {

  classID: Components.ID("{bb7c5199-c0f7-4976-9f6d-1306e32c5591}"),

  QueryInterface: ChromeUtils.generateQI([]),

  observe(subject, topic, data) {

    this.observed.push({ subject, topic, data });

},

};

let handlerService = new PushServiceHandler();

add_test(function test_service_instantiation() {

  const CONTRACT_ID = "@mozilla.org/dom/push/test/PushServiceHandler;1";

  let scope = "chrome://test-scope";

  MockRegistrar.register(CONTRACT_ID, handlerService);

  Services.catMan.addCategoryEntry("push", scope, CONTRACT_ID, false, false);

  let pushNotifier = Cc["@mozilla.org/push/Notifier;1"].getService(

    Ci.nsIPushNotifier

);

  let principal = Services.scriptSecurityManager.getSystemPrincipal();

  pushNotifier.notifyPush(scope, principal, "");

  equal(handlerService.observed.length, 1);

  equal(handlerService.observed[0].topic, pushService.pushTopic);

  let message = handlerService.observed[0].subject.QueryInterface(

    Ci.nsIPushMessage

);

  equal(message.principal, principal);

  strictEqual(message.data, null);

  equal(handlerService.observed[0].data, scope);

  // and a subscription change.

  pushNotifier.notifySubscriptionChange(scope, principal);

  equal(handlerService.observed.length, 2);

  equal(handlerService.observed[1].topic, pushService.subscriptionChangeTopic);

  equal(handlerService.observed[1].subject, principal);

  equal(handlerService.observed[1].data, scope);

  // and a subscription modified event.

  pushNotifier.notifySubscriptionModified(scope, principal);

  equal(handlerService.observed.length, 3);

  equal(

    handlerService.observed[2].topic,

    pushService.subscriptionModifiedTopic

);

  equal(handlerService.observed[2].subject, principal);

  equal(handlerService.observed[2].data, scope);

  run_next_test();

});