@angular/material
Version:
Angular Material
70 lines • 9.78 kB
JavaScript
/**
* @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 { ComponentHarness, HarnessPredicate, parallel } from '@angular/cdk/testing';
import { MatLegacyTabLinkHarness } from './tab-link-harness';
import { MatLegacyTabNavPanelHarness } from './tab-nav-panel-harness';
/**
* Harness for interacting with a standard mat-tab-nav-bar in tests.
* @deprecated Use `MatTabNavBarHarness` from `@angular/material/tabs/testing` instead. See https://material.angular.io/guide/mdc-migration for information about migrating.
* @breaking-change 17.0.0
*/
export class MatLegacyTabNavBarHarness 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(MatLegacyTabNavBarHarness, options);
}
/**
* Gets the list of links in the nav bar.
* @param filter Optionally filters which links are included.
*/
async getLinks(filter = {}) {
return this.locatorForAll(MatLegacyTabLinkHarness.with(filter))();
}
/** Gets the active link in the nav bar. */
async getActiveLink() {
const links = await this.getLinks();
const isActive = await 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.
*/
async clickLink(filter = {}) {
const tabs = await this.getLinks(filter);
if (!tabs.length) {
throw Error(`Cannot find mat-tab-link matching filter ${JSON.stringify(filter)}`);
}
await tabs[0].click();
}
/** Gets the panel associated with the nav bar. */
async getPanel() {
const link = await this.getActiveLink();
const host = await link.host();
const panelId = await host.getAttribute('aria-controls');
if (!panelId) {
throw Error('No panel is controlled by the nav bar.');
}
const filter = { selector: `#${panelId}` };
return await this.documentRootLocatorFactory().locatorFor(MatLegacyTabNavPanelHarness.with(filter))();
}
}
/** The selector for the host element of a `MatTabNavBar` instance. */
MatLegacyTabNavBarHarness.hostSelector = '.mat-tab-nav-bar';
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