| /** |
| * @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 { __awaiter } from "tslib"; |
| import { ComponentHarness, HarnessPredicate, parallel } from '@angular/cdk/testing'; |
| import { MatTabLinkHarness } from './tab-link-harness'; |
| /** Harness for interacting with a standard mat-tab-nav-bar in tests. */ |
| export class MatTabNavBarHarness extends ComponentHarness { |
| /** |
| * Gets a `HarnessPredicate` that can be used to search for a `MatTabNavBar` that meets |
| * certain criteria. |
| * @param options Options for filtering which tab nav bar instances are considered a match. |
| * @return a `HarnessPredicate` configured with the given options. |
| */ |
| static with(options = {}) { |
| return new HarnessPredicate(MatTabNavBarHarness, options); |
| } |
| /** |
| * Gets the list of links in the nav bar. |
| * @param filter Optionally filters which links are included. |
| */ |
| getLinks(filter = {}) { |
| return __awaiter(this, void 0, void 0, function* () { |
| return this.locatorForAll(MatTabLinkHarness.with(filter))(); |
| }); |
| } |
| /** Gets the active link in the nav bar. */ |
| getActiveLink() { |
| return __awaiter(this, void 0, void 0, function* () { |
| const links = yield this.getLinks(); |
| const isActive = yield parallel(() => links.map(t => t.isActive())); |
| for (let i = 0; i < links.length; i++) { |
| if (isActive[i]) { |
| return links[i]; |
| } |
| } |
| throw new Error('No active link could be found.'); |
| }); |
| } |
| /** |
| * Clicks a link inside the nav bar. |
| * @param filter An optional filter to apply to the child link. The first link matching the filter |
| * will be clicked. |
| */ |
| clickLink(filter = {}) { |
| return __awaiter(this, void 0, void 0, function* () { |
| const tabs = yield this.getLinks(filter); |
| if (!tabs.length) { |
| throw Error(`Cannot find mat-tab-link matching filter ${JSON.stringify(filter)}`); |
| } |
| yield tabs[0].click(); |
| }); |
| } |
| } |
| /** The selector for the host element of a `MatTabNavBar` instance. */ |
| MatTabNavBarHarness.hostSelector = '.mat-tab-nav-bar'; |
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