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| 1 | +import { Component, EventEmitter, Injectable, Input, Output } from '@angular/core'; |
| 2 | +import { TestBed } from '@angular/core/testing'; |
| 3 | +import userEvent from '@testing-library/user-event'; |
| 4 | +import { of, BehaviorSubject } from 'rxjs'; |
| 5 | +import { debounceTime, switchMap, map, startWith } from 'rxjs/operators'; |
| 6 | +import { render, screen, waitFor, waitForElementToBeRemoved, within } from '../src/lib/testing-library'; |
| 7 | + |
| 8 | +const DEBOUNCE_TIME = 1_000; |
| 9 | + |
| 10 | +@Injectable() |
| 11 | +class EntitiesService { |
| 12 | + fetchAll() { |
| 13 | + return of([]); |
| 14 | + } |
| 15 | +} |
| 16 | + |
| 17 | +@Injectable() |
| 18 | +class ModalService { |
| 19 | + open(...args: any[]) { |
| 20 | + console.log('open', ...args); |
| 21 | + } |
| 22 | +} |
| 23 | + |
| 24 | +@Component({ |
| 25 | + template: ` |
| 26 | + <h1>Entities Title</h1> |
| 27 | + <button (click)="newEntityClicked()">Create New Entity</button> |
| 28 | + <label> |
| 29 | + Search entities |
| 30 | + <input type="text" (input)="query.next($event.target.value)" /> |
| 31 | + </label> |
| 32 | + <atl-table [entities]="entities | async" (edit)="editEntityClicked($event)"></atl-table> |
| 33 | + `, |
| 34 | +}) |
| 35 | +class EntitiesComponent { |
| 36 | + query = new BehaviorSubject<string>(''); |
| 37 | + readonly entities = this.query.pipe( |
| 38 | + debounceTime(DEBOUNCE_TIME), |
| 39 | + switchMap((q) => this.entitiesService.fetchAll().pipe(map((ent) => ent.filter((e) => e.name.includes(q))))), |
| 40 | + startWith(entities), |
| 41 | + ); |
| 42 | + |
| 43 | + constructor(private entitiesService: EntitiesService, private modalService: ModalService) {} |
| 44 | + |
| 45 | + newEntityClicked() { |
| 46 | + this.modalService.open('new entity'); |
| 47 | + } |
| 48 | + |
| 49 | + editEntityClicked(entity: string) { |
| 50 | + setTimeout(() => { |
| 51 | + this.modalService.open('edit entity', entity); |
| 52 | + }, 100); |
| 53 | + } |
| 54 | +} |
| 55 | + |
| 56 | +@Component({ |
| 57 | + selector: 'atl-table', |
| 58 | + template: ` |
| 59 | + <table> |
| 60 | + <tr *ngFor="let entity of entities"> |
| 61 | + <td>{{ entity.name }}</td> |
| 62 | + <td><button (click)="edit.next(entity.name)">Edit</button></td> |
| 63 | + </tr> |
| 64 | + </table> |
| 65 | + `, |
| 66 | +}) |
| 67 | +class TableComponent { |
| 68 | + @Input() entities: any[]; |
| 69 | + @Output() edit = new EventEmitter<string>(); |
| 70 | +} |
| 71 | + |
| 72 | +const entities = [ |
| 73 | + { |
| 74 | + id: 1, |
| 75 | + name: 'Entity 1', |
| 76 | + }, |
| 77 | + { |
| 78 | + id: 2, |
| 79 | + name: 'Entity 2', |
| 80 | + }, |
| 81 | + { |
| 82 | + id: 3, |
| 83 | + name: 'Entity 3', |
| 84 | + }, |
| 85 | +]; |
| 86 | + |
| 87 | +it('renders the table', async () => { |
| 88 | + jest.useFakeTimers(); |
| 89 | + |
| 90 | + await render(EntitiesComponent, { |
| 91 | + declarations: [TableComponent], |
| 92 | + providers: [ |
| 93 | + { |
| 94 | + provide: EntitiesService, |
| 95 | + useValue: { |
| 96 | + fetchAll: jest.fn().mockReturnValue(of(entities)), |
| 97 | + }, |
| 98 | + }, |
| 99 | + { |
| 100 | + provide: ModalService, |
| 101 | + useValue: { |
| 102 | + open: jest.fn(), |
| 103 | + }, |
| 104 | + }, |
| 105 | + ], |
| 106 | + }); |
| 107 | + const modalMock = TestBed.inject(ModalService); |
| 108 | + |
| 109 | + expect(await screen.findByRole('heading', { name: /EntitiesTitle/i })).toBeInTheDocument(); |
| 110 | + |
| 111 | + expect(await screen.findByRole('cell', { name: /Entity1/i })).toBeInTheDocument(); |
| 112 | + expect(await screen.findByRole('cell', { name: /Entity2/i })).toBeInTheDocument(); |
| 113 | + expect(await screen.findByRole('cell', { name: /Entity3/i })).toBeInTheDocument(); |
| 114 | + |
| 115 | + userEvent.type(await screen.findByRole('textbox', { name: /Searchentities/i }), 'Entity 2', {}); |
| 116 | + |
| 117 | + jest.advanceTimersByTime(DEBOUNCE_TIME); |
| 118 | + |
| 119 | + await waitForElementToBeRemoved(() => screen.queryByRole('cell', { name: /Entity1/i })); |
| 120 | + expect(await screen.findByRole('cell', { name: /Entity2/i })).toBeInTheDocument(); |
| 121 | + |
| 122 | + userEvent.click(await screen.findByRole('button', { name: /NewEntity/i })); |
| 123 | + expect(modalMock.open).toHaveBeenCalledWith('new entity'); |
| 124 | + |
| 125 | + const row = await screen.findByRole('row', { |
| 126 | + name: /Entity2/i, |
| 127 | + }); |
| 128 | + userEvent.click( |
| 129 | + await within(row).findByRole('button', { |
| 130 | + name: /edit/i, |
| 131 | + }), |
| 132 | + ); |
| 133 | + waitFor(() => expect(modalMock.open).toHaveBeenCalledWith('edit entity', 'Entity 2')); |
| 134 | +}); |
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