onesignal-web-sdk/test/unit/modules/browserSupport.ts

Web push notifications from OneSignal.

import "../../support/polyfills/polyfills";
import test from "ava";
import { TestEnvironment } from '../../support/sdk/TestEnvironment';
import { isPushNotificationsSupported } from "../../../src/utils/BrowserSupportsPush";
import sinon from 'sinon';
import { setupBrowserWithPushAPIWithVAPIDEnv } from "../../support/tester/utils";

const sandbox = sinon.sandbox.create();

test.beforeEach(async () => {
  await TestEnvironment.stubDomEnvironment();
});

test.afterEach(function () {
  sandbox.restore();
});

function setupBrowserWithPushAPIButNoVAPIDEnv(): void {
  const classDef = function() {};
  classDef.prototype.userVisibleOnly = null;

  sandbox.stub((<any>global), "PushSubscriptionOptions").value(classDef);
}

// Define window.safari.pushNotification
function setupSafariWithPushEnv(): void {
  sandbox.stub(window, "safari").value({ pushNotification: {} });
}

// Define window.safari
function setupSafariWithoutPushEnv(): void {
  sandbox.stub(window, "safari").value({});
}

// Safari on macOS when running in iframe context
function setupSafariMacOSInIframeContext(): void {
  sandbox.stub(window, "top").value("someOtherWindow");
  sandbox.stub(navigator, "vendor").value("Apple Computer, Inc.");
  sandbox.stub(navigator, "platform").value("MacIntel");
}

test('should support browsers that have PushSubscriptionOptions.applicationServerKey defined', async t => {
  setupBrowserWithPushAPIWithVAPIDEnv(sandbox);
  t.true(isPushNotificationsSupported());
});

test('should not support browsers without PushSubscriptionOptions', async t => {
  t.false(isPushNotificationsSupported());
});

test('should not support browsers without VAPID', async t => {
  setupBrowserWithPushAPIButNoVAPIDEnv();
  t.false(isPushNotificationsSupported());
});

test('should support Safari if window.safari.pushNotification is defined', async t => {
  setupSafariWithPushEnv();
  t.true(isPushNotificationsSupported());
});

test('should not support Safari unless pushNotification is defined on window.safari', async t => {
  setupSafariWithoutPushEnv();
  t.false(isPushNotificationsSupported());
});

test('should support macOS Safari if running in iframe', async t => {
  setupSafariMacOSInIframeContext();
  t.true(isPushNotificationsSupported());
});