source: trip-planner-front/node_modules/@angular/material/esm2015/tabs/testing/tab-nav-bar-harness.js

Last change on this file was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

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1/**
2 * @license
3 * Copyright Google LLC All Rights Reserved.
4 *
5 * Use of this source code is governed by an MIT-style license that can be
6 * found in the LICENSE file at https://angular.io/license
7 */
8import { __awaiter } from "tslib";
9import { ComponentHarness, HarnessPredicate, parallel } from '@angular/cdk/testing';
10import { MatTabLinkHarness } from './tab-link-harness';
11/** Harness for interacting with a standard mat-tab-nav-bar in tests. */
12export class MatTabNavBarHarness extends ComponentHarness {
13 /**
14 * Gets a `HarnessPredicate` that can be used to search for a `MatTabNavBar` that meets
15 * certain criteria.
16 * @param options Options for filtering which tab nav bar instances are considered a match.
17 * @return a `HarnessPredicate` configured with the given options.
18 */
19 static with(options = {}) {
20 return new HarnessPredicate(MatTabNavBarHarness, options);
21 }
22 /**
23 * Gets the list of links in the nav bar.
24 * @param filter Optionally filters which links are included.
25 */
26 getLinks(filter = {}) {
27 return __awaiter(this, void 0, void 0, function* () {
28 return this.locatorForAll(MatTabLinkHarness.with(filter))();
29 });
30 }
31 /** Gets the active link in the nav bar. */
32 getActiveLink() {
33 return __awaiter(this, void 0, void 0, function* () {
34 const links = yield this.getLinks();
35 const isActive = yield parallel(() => links.map(t => t.isActive()));
36 for (let i = 0; i < links.length; i++) {
37 if (isActive[i]) {
38 return links[i];
39 }
40 }
41 throw new Error('No active link could be found.');
42 });
43 }
44 /**
45 * Clicks a link inside the nav bar.
46 * @param filter An optional filter to apply to the child link. The first link matching the filter
47 * will be clicked.
48 */
49 clickLink(filter = {}) {
50 return __awaiter(this, void 0, void 0, function* () {
51 const tabs = yield this.getLinks(filter);
52 if (!tabs.length) {
53 throw Error(`Cannot find mat-tab-link matching filter ${JSON.stringify(filter)}`);
54 }
55 yield tabs[0].click();
56 });
57 }
58}
59/** The selector for the host element of a `MatTabNavBar` instance. */
60MatTabNavBarHarness.hostSelector = '.mat-tab-nav-bar';
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