angular-cn/packages/service-worker/test/comm_spec.ts

529 lines
19 KiB
TypeScript
Raw Normal View History

/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import {PLATFORM_ID} from '@angular/core';
import {TestBed} from '@angular/core/testing';
import {NgswCommChannel} from '@angular/service-worker/src/low_level';
import {ngswCommChannelFactory, SwRegistrationOptions} from '@angular/service-worker/src/module';
import {SwPush} from '@angular/service-worker/src/push';
import {SwUpdate} from '@angular/service-worker/src/update';
import {MockPushManager, MockPushSubscription, MockServiceWorkerContainer, MockServiceWorkerRegistration, patchDecodeBase64} from '@angular/service-worker/testing/mock';
{
describe('ServiceWorker library', () => {
let mock: MockServiceWorkerContainer;
let comm: NgswCommChannel;
beforeEach(() => {
mock = new MockServiceWorkerContainer();
comm = new NgswCommChannel(mock as any);
});
describe('NgswCommsChannel', () => {
it('can access the registration when it comes before subscription', done => {
const mock = new MockServiceWorkerContainer();
const comm = new NgswCommChannel(mock as any);
const regPromise = mock.getRegistration() as any as MockServiceWorkerRegistration;
mock.setupSw();
(comm as any).registration.subscribe((reg: any) => {
done();
});
});
it('can access the registration when it comes after subscription', done => {
const mock = new MockServiceWorkerContainer();
const comm = new NgswCommChannel(mock as any);
const regPromise = mock.getRegistration() as any as MockServiceWorkerRegistration;
(comm as any).registration.subscribe((reg: any) => {
done();
});
mock.setupSw();
});
});
describe('ngswCommChannelFactory', () => {
it('gives disabled NgswCommChannel for platform-server', () => {
TestBed.configureTestingModule({
providers: [
{provide: PLATFORM_ID, useValue: 'server'},
{provide: SwRegistrationOptions, useValue: {enabled: true}}, {
provide: NgswCommChannel,
useFactory: ngswCommChannelFactory,
deps: [SwRegistrationOptions, PLATFORM_ID]
}
]
});
expect(TestBed.inject(NgswCommChannel).isEnabled).toEqual(false);
});
it('gives disabled NgswCommChannel when \'enabled\' option is false', () => {
TestBed.configureTestingModule({
providers: [
{provide: PLATFORM_ID, useValue: 'browser'},
{provide: SwRegistrationOptions, useValue: {enabled: false}}, {
provide: NgswCommChannel,
useFactory: ngswCommChannelFactory,
deps: [SwRegistrationOptions, PLATFORM_ID]
}
]
});
expect(TestBed.inject(NgswCommChannel).isEnabled).toEqual(false);
});
it('gives disabled NgswCommChannel when navigator.serviceWorker is undefined', () => {
TestBed.configureTestingModule({
providers: [
{provide: PLATFORM_ID, useValue: 'browser'},
{provide: SwRegistrationOptions, useValue: {enabled: true}},
{
provide: NgswCommChannel,
useFactory: ngswCommChannelFactory,
deps: [SwRegistrationOptions, PLATFORM_ID],
},
],
});
const context: any = global || window;
const originalDescriptor = Object.getOwnPropertyDescriptor(context, 'navigator');
const patchedDescriptor = {value: {serviceWorker: undefined}, configurable: true};
try {
// Set `navigator` to `{serviceWorker: undefined}`.
Object.defineProperty(context, 'navigator', patchedDescriptor);
expect(TestBed.inject(NgswCommChannel).isEnabled).toBe(false);
} finally {
if (originalDescriptor) {
Object.defineProperty(context, 'navigator', originalDescriptor);
} else {
delete context.navigator;
}
}
});
it('gives enabled NgswCommChannel when browser supports SW and enabled option is true',
() => {
TestBed.configureTestingModule({
providers: [
{provide: PLATFORM_ID, useValue: 'browser'},
{provide: SwRegistrationOptions, useValue: {enabled: true}}, {
provide: NgswCommChannel,
useFactory: ngswCommChannelFactory,
deps: [SwRegistrationOptions, PLATFORM_ID]
}
]
});
const context: any = global || window;
const originalDescriptor = Object.getOwnPropertyDescriptor(context, 'navigator');
const patchedDescriptor = {value: {serviceWorker: mock}, configurable: true};
try {
// Set `navigator` to `{serviceWorker: mock}`.
Object.defineProperty(context, 'navigator', patchedDescriptor);
expect(TestBed.inject(NgswCommChannel).isEnabled).toBe(true);
} finally {
if (originalDescriptor) {
Object.defineProperty(context, 'navigator', originalDescriptor);
} else {
delete context.navigator;
}
}
});
});
describe('SwPush', () => {
let unpatchDecodeBase64: () => void;
let push: SwPush;
// Patch `SwPush.decodeBase64()` in Node.js (where `atob` is not available).
beforeAll(() => unpatchDecodeBase64 = patchDecodeBase64(SwPush.prototype as any));
afterAll(() => unpatchDecodeBase64());
beforeEach(() => {
push = new SwPush(comm);
mock.setupSw();
});
it('is injectable', () => {
TestBed.configureTestingModule({
providers: [
SwPush,
{provide: NgswCommChannel, useValue: comm},
]
});
expect(() => TestBed.inject(SwPush)).not.toThrow();
});
describe('requestSubscription()', () => {
it('returns a promise that resolves to the subscription', async () => {
const promise = push.requestSubscription({serverPublicKey: 'test'});
expect(promise).toEqual(jasmine.any(Promise));
const sub = await promise;
expect(sub).toEqual(jasmine.any(MockPushSubscription));
});
it('calls `PushManager.subscribe()` (with appropriate options)', async () => {
const decode = (charCodeArr: Uint8Array) =>
Array.from(charCodeArr).map(c => String.fromCharCode(c)).join('');
// atob('c3ViamVjdHM/') === 'subjects?'
const serverPublicKey = 'c3ViamVjdHM_';
const appServerKeyStr = 'subjects?';
const pmSubscribeSpy = spyOn(MockPushManager.prototype, 'subscribe').and.callThrough();
await push.requestSubscription({serverPublicKey});
expect(pmSubscribeSpy).toHaveBeenCalledTimes(1);
expect(pmSubscribeSpy).toHaveBeenCalledWith({
applicationServerKey: jasmine.any(Uint8Array) as any,
userVisibleOnly: true,
});
const actualAppServerKey = pmSubscribeSpy.calls.first().args[0]!.applicationServerKey;
const actualAppServerKeyStr = decode(actualAppServerKey as Uint8Array);
expect(actualAppServerKeyStr).toBe(appServerKeyStr);
});
it('emits the new `PushSubscription` on `SwPush.subscription`', async () => {
const subscriptionSpy = jasmine.createSpy('subscriptionSpy');
push.subscription.subscribe(subscriptionSpy);
const sub = await push.requestSubscription({serverPublicKey: 'test'});
expect(subscriptionSpy).toHaveBeenCalledWith(sub);
});
});
describe('unsubscribe()', () => {
let psUnsubscribeSpy: jasmine.Spy;
beforeEach(() => {
psUnsubscribeSpy = spyOn(MockPushSubscription.prototype, 'unsubscribe').and.callThrough();
});
it('rejects if currently not subscribed to push notifications', async () => {
try {
await push.unsubscribe();
throw new Error('`unsubscribe()` should fail');
} catch (err) {
expect(err.message).toBe('Not subscribed to push notifications.');
}
});
it('calls `PushSubscription.unsubscribe()`', async () => {
await push.requestSubscription({serverPublicKey: 'test'});
await push.unsubscribe();
expect(psUnsubscribeSpy).toHaveBeenCalledTimes(1);
});
it('rejects if `PushSubscription.unsubscribe()` fails', async () => {
psUnsubscribeSpy.and.callFake(() => {
throw new Error('foo');
});
try {
await push.requestSubscription({serverPublicKey: 'test'});
await push.unsubscribe();
throw new Error('`unsubscribe()` should fail');
} catch (err) {
expect(err.message).toBe('foo');
}
});
it('rejects if `PushSubscription.unsubscribe()` returns false', async () => {
psUnsubscribeSpy.and.returnValue(Promise.resolve(false));
try {
await push.requestSubscription({serverPublicKey: 'test'});
await push.unsubscribe();
throw new Error('`unsubscribe()` should fail');
} catch (err) {
expect(err.message).toBe('Unsubscribe failed!');
}
});
it('emits `null` on `SwPush.subscription`', async () => {
const subscriptionSpy = jasmine.createSpy('subscriptionSpy');
push.subscription.subscribe(subscriptionSpy);
await push.requestSubscription({serverPublicKey: 'test'});
await push.unsubscribe();
expect(subscriptionSpy).toHaveBeenCalledWith(null);
});
it('does not emit on `SwPush.subscription` on failure', async () => {
const subscriptionSpy = jasmine.createSpy('subscriptionSpy');
const initialSubEmit = new Promise(resolve => subscriptionSpy.and.callFake(resolve));
push.subscription.subscribe(subscriptionSpy);
await initialSubEmit;
subscriptionSpy.calls.reset();
// Error due to no subscription.
await push.unsubscribe().catch(() => undefined);
expect(subscriptionSpy).not.toHaveBeenCalled();
// Subscribe.
await push.requestSubscription({serverPublicKey: 'test'});
subscriptionSpy.calls.reset();
// Error due to `PushSubscription.unsubscribe()` error.
psUnsubscribeSpy.and.callFake(() => {
throw new Error('foo');
});
await push.unsubscribe().catch(() => undefined);
expect(subscriptionSpy).not.toHaveBeenCalled();
// Error due to `PushSubscription.unsubscribe()` failure.
psUnsubscribeSpy.and.returnValue(Promise.resolve(false));
await push.unsubscribe().catch(() => undefined);
expect(subscriptionSpy).not.toHaveBeenCalled();
});
});
describe('messages', () => {
it('receives push messages', () => {
const sendMessage = (type: string, message: string) =>
mock.sendMessage({type, data: {message}});
const receivedMessages: string[] = [];
push.messages.subscribe((msg: any) => receivedMessages.push(msg.message));
sendMessage('PUSH', 'this was a push message');
sendMessage('NOTPUSH', 'this was not a push message');
sendMessage('PUSH', 'this was a push message too');
sendMessage('HSUP', 'this was a HSUP message');
expect(receivedMessages).toEqual([
'this was a push message',
'this was a push message too',
]);
});
});
describe('notificationClicks', () => {
it('receives notification clicked messages', () => {
const sendMessage = (type: string, action: string) =>
mock.sendMessage({type, data: {action}});
const receivedMessages: string[] = [];
push.notificationClicks.subscribe(
(msg: {action: string}) => receivedMessages.push(msg.action));
sendMessage('NOTIFICATION_CLICK', 'this was a click');
sendMessage('NOT_IFICATION_CLICK', 'this was not a click');
sendMessage('NOTIFICATION_CLICK', 'this was a click too');
sendMessage('KCILC_NOITACIFITON', 'this was a KCILC_NOITACIFITON message');
expect(receivedMessages).toEqual([
'this was a click',
'this was a click too',
]);
});
});
describe('subscription', () => {
let nextSubEmitResolve: () => void;
let nextSubEmitPromise: Promise<void>;
let subscriptionSpy: jasmine.Spy;
beforeEach(() => {
nextSubEmitPromise = new Promise(resolve => nextSubEmitResolve = resolve);
subscriptionSpy = jasmine.createSpy('subscriptionSpy').and.callFake(() => {
nextSubEmitResolve();
nextSubEmitPromise = new Promise(resolve => nextSubEmitResolve = resolve);
});
push.subscription.subscribe(subscriptionSpy);
});
it('emits on worker-driven changes (i.e. when the controller changes)', async () => {
// Initial emit for the current `ServiceWorkerController`.
await nextSubEmitPromise;
expect(subscriptionSpy).toHaveBeenCalledTimes(1);
expect(subscriptionSpy).toHaveBeenCalledWith(null);
subscriptionSpy.calls.reset();
// Simulate a `ServiceWorkerController` change.
mock.setupSw();
await nextSubEmitPromise;
expect(subscriptionSpy).toHaveBeenCalledTimes(1);
expect(subscriptionSpy).toHaveBeenCalledWith(null);
});
it('emits on subscription changes (i.e. when subscribing/unsubscribing)', async () => {
await nextSubEmitPromise;
subscriptionSpy.calls.reset();
// Subscribe.
await push.requestSubscription({serverPublicKey: 'test'});
expect(subscriptionSpy).toHaveBeenCalledTimes(1);
expect(subscriptionSpy).toHaveBeenCalledWith(jasmine.any(MockPushSubscription));
subscriptionSpy.calls.reset();
// Subscribe again.
await push.requestSubscription({serverPublicKey: 'test'});
expect(subscriptionSpy).toHaveBeenCalledTimes(1);
expect(subscriptionSpy).toHaveBeenCalledWith(jasmine.any(MockPushSubscription));
subscriptionSpy.calls.reset();
// Unsubscribe.
await push.unsubscribe();
expect(subscriptionSpy).toHaveBeenCalledTimes(1);
expect(subscriptionSpy).toHaveBeenCalledWith(null);
});
});
describe('with no SW', () => {
beforeEach(() => {
comm = new NgswCommChannel(undefined);
push = new SwPush(comm);
});
it('does not crash on subscription to observables', () => {
push.messages.toPromise().catch(err => fail(err));
push.notificationClicks.toPromise().catch(err => fail(err));
push.subscription.toPromise().catch(err => fail(err));
});
it('gives an error when registering', done => {
push.requestSubscription({serverPublicKey: 'test'}).catch(err => {
done();
});
});
it('gives an error when unsubscribing', done => {
push.unsubscribe().catch(err => {
done();
});
});
});
});
describe('SwUpdate', () => {
let update: SwUpdate;
beforeEach(() => {
update = new SwUpdate(comm);
mock.setupSw();
});
it('processes update availability notifications when sent', done => {
update.available.subscribe(event => {
expect(event.current).toEqual({hash: 'A'});
expect(event.available).toEqual({hash: 'B'});
expect(event.type).toEqual('UPDATE_AVAILABLE');
done();
});
mock.sendMessage({
type: 'UPDATE_AVAILABLE',
current: {
hash: 'A',
},
available: {
hash: 'B',
},
});
});
it('processes unrecoverable notifications when sent', done => {
update.unrecoverable.subscribe(event => {
expect(event.reason).toEqual('Invalid Resource');
expect(event.type).toEqual('UNRECOVERABLE_STATE');
done();
});
mock.sendMessage({type: 'UNRECOVERABLE_STATE', reason: 'Invalid Resource'});
});
it('processes update activation notifications when sent', done => {
update.activated.subscribe(event => {
expect(event.previous).toEqual({hash: 'A'});
expect(event.current).toEqual({hash: 'B'});
expect(event.type).toEqual('UPDATE_ACTIVATED');
done();
});
mock.sendMessage({
type: 'UPDATE_ACTIVATED',
previous: {
hash: 'A',
},
current: {
hash: 'B',
},
});
});
it('activates updates when requested', done => {
mock.messages.subscribe((msg: {action: string, statusNonce: number}) => {
expect(msg.action).toEqual('ACTIVATE_UPDATE');
mock.sendMessage({
type: 'STATUS',
nonce: msg.statusNonce,
status: true,
});
});
return update.activateUpdate().then(() => done()).catch(err => done.fail(err));
});
it('reports activation failure when requested', done => {
mock.messages.subscribe((msg: {action: string, statusNonce: number}) => {
expect(msg.action).toEqual('ACTIVATE_UPDATE');
mock.sendMessage({
type: 'STATUS',
nonce: msg.statusNonce,
status: false,
error: 'Failed to activate',
});
});
return update.activateUpdate()
.catch(err => {
expect(err.message).toEqual('Failed to activate');
})
.then(() => done())
.catch(err => done.fail(err));
});
it('is injectable', () => {
TestBed.configureTestingModule({
providers: [
SwUpdate,
{provide: NgswCommChannel, useValue: comm},
]
});
expect(() => TestBed.inject(SwUpdate)).not.toThrow();
});
describe('with no SW', () => {
beforeEach(() => {
comm = new NgswCommChannel(undefined);
});
it('can be instantiated', () => {
update = new SwUpdate(comm);
});
it('does not crash on subscription to observables', () => {
update = new SwUpdate(comm);
update.available.toPromise().catch(err => fail(err));
update.activated.toPromise().catch(err => fail(err));
update.unrecoverable.toPromise().catch(err => fail(err));
});
it('gives an error when checking for updates', done => {
update = new SwUpdate(comm);
update.checkForUpdate().catch(err => {
done();
});
});
it('gives an error when activating updates', done => {
update = new SwUpdate(comm);
update.activateUpdate().catch(err => {
done();
});
});
});
});
});
}