103 lines
3.5 KiB
TypeScript
103 lines
3.5 KiB
TypeScript
/**
|
|
* @license
|
|
* Copyright Google Inc. 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 {Injector} from '@angular/core';
|
|
import {TestBed} from '@angular/core/testing';
|
|
import {EMPTY, of} from 'rxjs';
|
|
import {TestScheduler} from 'rxjs/testing';
|
|
|
|
import {resolveData} from '../../src/operators/resolve_data';
|
|
|
|
describe('resolveData operator', () => {
|
|
let testScheduler: TestScheduler;
|
|
let injector: Injector;
|
|
|
|
beforeEach(() => {
|
|
TestBed.configureTestingModule({
|
|
providers: [
|
|
{provide: 'resolveTwo', useValue: (a: any, b: any) => of(2)},
|
|
{provide: 'resolveFour', useValue: (a: any, b: any) => 4},
|
|
{provide: 'resolveEmpty', useValue: (a: any, b: any) => EMPTY},
|
|
]
|
|
});
|
|
});
|
|
beforeEach(() => {
|
|
testScheduler = new TestScheduler(assertDeepEquals);
|
|
});
|
|
beforeEach(() => {
|
|
injector = TestBed.inject<Injector>(Injector);
|
|
});
|
|
|
|
it('should re-emit updated value from source after all resolvers emit and complete', () => {
|
|
testScheduler.run(({hot, cold, expectObservable}) => {
|
|
const transition: any = createTransition({e1: 'resolveTwo'}, {e2: 'resolveFour'});
|
|
const source = cold('-(t|)', {t: deepClone(transition)});
|
|
const expected = '-(t|)';
|
|
const outputTransition = deepClone(transition);
|
|
outputTransition.guards.canActivateChecks[0].route._resolvedData = {e1: 2};
|
|
outputTransition.guards.canActivateChecks[1].route._resolvedData = {e2: 4};
|
|
|
|
expectObservable(source.pipe(resolveData('emptyOnly', injector))).toBe(expected, {
|
|
t: outputTransition
|
|
});
|
|
});
|
|
});
|
|
|
|
it('should re-emit value from source when there are no resolvers', () => {
|
|
testScheduler.run(({hot, cold, expectObservable}) => {
|
|
const transition: any = createTransition({});
|
|
const source = cold('-(t|)', {t: deepClone(transition)});
|
|
const expected = '-(t|)';
|
|
const outputTransition = deepClone(transition);
|
|
outputTransition.guards.canActivateChecks[0].route._resolvedData = {};
|
|
|
|
expectObservable(source.pipe(resolveData('emptyOnly', injector))).toBe(expected, {
|
|
t: outputTransition
|
|
});
|
|
});
|
|
});
|
|
|
|
it('should not emit when there\'s one resolver that doesn\'t emit', () => {
|
|
testScheduler.run(({hot, cold, expectObservable}) => {
|
|
const transition: any = createTransition({e2: 'resolveEmpty'});
|
|
const source = cold('-(t|)', {t: deepClone(transition)});
|
|
const expected = '-|';
|
|
expectObservable(source.pipe(resolveData('emptyOnly', injector))).toBe(expected);
|
|
});
|
|
});
|
|
|
|
it('should not emit if at least one resolver doesn\'t emit', () => {
|
|
testScheduler.run(({hot, cold, expectObservable}) => {
|
|
const transition: any = createTransition({e1: 'resolveTwo'}, {e2: 'resolveEmpty'});
|
|
const source = cold('-(t|)', {t: deepClone(transition)});
|
|
const expected = '-|';
|
|
expectObservable(source.pipe(resolveData('emptyOnly', injector))).toBe(expected);
|
|
});
|
|
});
|
|
});
|
|
|
|
function assertDeepEquals(a: any, b: any) {
|
|
return expect(a).toEqual(b);
|
|
}
|
|
|
|
function createTransition(...resolvers: {[key: string]: string}[]) {
|
|
return {
|
|
targetSnapshot: {},
|
|
guards: {
|
|
canActivateChecks:
|
|
resolvers.map(resolver => ({
|
|
route: {_resolve: resolver, pathFromRoot: [{url: '/'}], data: {}},
|
|
})),
|
|
},
|
|
};
|
|
}
|
|
|
|
function deepClone(obj: any) {
|
|
return JSON.parse(JSON.stringify(obj));
|
|
}
|