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fix(service-worker): check platformBrowser before accessing navigator.serviceWorker (#21231) 

PR Close #21231
This commit is contained in:
Heo Sangmin 2018-05-10 00:11:43 +09:00 committed by Matias Niemelä
parent 373fa78d7f
commit 0bdd30e34f
4 changed files with 99 additions and 19 deletions
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9
packages/service-worker/src/low_level.ts
View File

@ -6,8 +6,6 @@
* found in the LICENSE file at https://angular.io/license
*/
import {isPlatformBrowser} from '@angular/common';
import {Inject, PLATFORM_ID} from '@angular/core';
import {ConnectableObservable, Observable, concat, defer, fromEvent, of , throwError} from 'rxjs';
import {filter, map, publish, switchMap, take, tap} from 'rxjs/operators';
@ -71,11 +69,8 @@ export class NgswCommChannel {
*/
readonly events: Observable<TypedEvent>;
constructor(
private serviceWorker: ServiceWorkerContainer|undefined,
@Inject(PLATFORM_ID) platformId: string) {
if (!serviceWorker || !isPlatformBrowser(platformId)) {
this.serviceWorker = undefined;
constructor(private serviceWorker: ServiceWorkerContainer|undefined) {
if (!serviceWorker) {
this.worker = this.events = this.registration = errorObservable(ERR_SW_NOT_SUPPORTED);
} else {
const controllerChangeEvents =

4
packages/service-worker/src/module.ts
View File

@ -8,7 +8,6 @@
import {isPlatformBrowser} from '@angular/common';
import {APP_INITIALIZER, ApplicationRef, InjectionToken, Injector, ModuleWithProviders, NgModule, PLATFORM_ID} from '@angular/core';
import {Observable} from 'rxjs';
import {filter, take} from 'rxjs/operators';
import {NgswCommChannel} from './low_level';
@ -53,7 +52,8 @@ export function ngswAppInitializer(
export function ngswCommChannelFactory(
opts: RegistrationOptions, platformId: string): NgswCommChannel {
return new NgswCommChannel(
opts.enabled !== false ? navigator.serviceWorker : undefined, platformId);
isPlatformBrowser(platformId) && opts.enabled !== false ? navigator.serviceWorker :
undefined);
}
/**

103
packages/service-worker/test/comm_spec.ts
View File

@ -6,9 +6,11 @@
* 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 '../src/low_level';
import {RegistrationOptions, ngswCommChannelFactory} from '../src/module';
import {SwPush} from '../src/push';
import {SwUpdate} from '../src/update';
import {MockServiceWorkerContainer, MockServiceWorkerRegistration} from '../testing/mock';
@ -19,12 +21,12 @@ import {MockServiceWorkerContainer, MockServiceWorkerRegistration} from '../test
let comm: NgswCommChannel;
beforeEach(() => {
mock = new MockServiceWorkerContainer();
comm = new NgswCommChannel(mock as any, 'browser');
comm = new NgswCommChannel(mock as any);
});
describe('NgswCommsChannel', () => {
it('can access the registration when it comes before subscription', (done: DoneFn) => {
const mock = new MockServiceWorkerContainer();
const comm = new NgswCommChannel(mock as any, 'browser');
const comm = new NgswCommChannel(mock as any);
const regPromise = mock.getRegistration() as any as MockServiceWorkerRegistration;
mock.setupSw();
@ -33,17 +35,100 @@ import {MockServiceWorkerContainer, MockServiceWorkerRegistration} from '../test
});
it('can access the registration when it comes after subscription', (done: DoneFn) => {
const mock = new MockServiceWorkerContainer();
const comm = new NgswCommChannel(mock as any, 'browser');
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();
});
it('is disabled for platform-server', () => {
const mock = new MockServiceWorkerContainer();
const comm = new NgswCommChannel(mock as any, 'server');
expect(comm.isEnabled).toEqual(false);
});
describe('ngswCommChannelFactory', () => {
it('gives disabled NgswCommChannel for platform-server', () => {
TestBed.configureTestingModule({
providers: [
{provide: PLATFORM_ID, useValue: 'server'},
{provide: RegistrationOptions, useValue: {enabled: true}}, {
provide: NgswCommChannel,
useFactory: ngswCommChannelFactory,
deps: [RegistrationOptions, PLATFORM_ID]
}
]
});
expect(TestBed.get(NgswCommChannel).isEnabled).toEqual(false);
});
it('gives disabled NgswCommChannel when \'enabled\' option is false', () => {
TestBed.configureTestingModule({
providers: [
{provide: PLATFORM_ID, useValue: 'browser'},
{provide: RegistrationOptions, useValue: {enabled: false}}, {
provide: NgswCommChannel,
useFactory: ngswCommChannelFactory,
deps: [RegistrationOptions, PLATFORM_ID]
}
]
});
expect(TestBed.get(NgswCommChannel).isEnabled).toEqual(false);
});
it('gives disabled NgswCommChannel when navigator.serviceWorker is undefined', () => {
TestBed.configureTestingModule({
providers: [
{provide: PLATFORM_ID, useValue: 'browser'},
{provide: RegistrationOptions, useValue: {enabled: true}},
{
provide: NgswCommChannel,
useFactory: ngswCommChannelFactory,
deps: [RegistrationOptions, 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.get(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: RegistrationOptions, useValue: {enabled: true}}, {
provide: NgswCommChannel,
useFactory: ngswCommChannelFactory,
deps: [RegistrationOptions, 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.get(NgswCommChannel).isEnabled).toBe(true);
} finally {
if (originalDescriptor) {
Object.defineProperty(context, 'navigator', originalDescriptor);
} else {
delete context.navigator;
}
}
});
});
describe('SwPush', () => {
@ -76,7 +161,7 @@ import {MockServiceWorkerContainer, MockServiceWorkerRegistration} from '../test
expect(() => TestBed.get(SwPush)).not.toThrow();
});
describe('with no SW', () => {
beforeEach(() => { comm = new NgswCommChannel(undefined, 'browser'); });
beforeEach(() => { comm = new NgswCommChannel(undefined); });
it('can be instantiated', () => { push = new SwPush(comm); });
it('does not crash on subscription to observables', () => {
push = new SwPush(comm);
@ -170,7 +255,7 @@ import {MockServiceWorkerContainer, MockServiceWorkerRegistration} from '../test
expect(() => TestBed.get(SwUpdate)).not.toThrow();
});
describe('with no SW', () => {
beforeEach(() => { comm = new NgswCommChannel(undefined, 'browser'); });
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);

2
packages/service-worker/test/integration_spec.ts
View File

@ -80,7 +80,7 @@ const serverUpdate =
async_beforeEach(async() => {
// Fire up the client.
mock = new MockServiceWorkerContainer();
comm = new NgswCommChannel(mock as any, 'browser');
comm = new NgswCommChannel(mock as any);
scope = new SwTestHarnessBuilder().withServerState(server).build();
driver = new Driver(scope, scope, new CacheDatabase(scope, scope));