@angular/material
Version:
Angular Material
64 lines • 9.5 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 { ContentContainerComponentHarness, HarnessPredicate, } from '@angular/cdk/testing';
/** Harness for interacting with an MDC_based Angular Material tab in tests. */
export class MatTabHarness extends ContentContainerComponentHarness {
/**
* Gets a `HarnessPredicate` that can be used to search for a tab with specific attributes.
* @param options Options for filtering which tab instances are considered a match.
* @return a `HarnessPredicate` configured with the given options.
*/
static with(options = {}) {
return new HarnessPredicate(this, options).addOption('label', options.label, (harness, label) => HarnessPredicate.stringMatches(harness.getLabel(), label));
}
/** Gets the label of the tab. */
async getLabel() {
return (await this.host()).text();
}
/** Gets the aria-label of the tab. */
async getAriaLabel() {
return (await this.host()).getAttribute('aria-label');
}
/** Gets the value of the "aria-labelledby" attribute. */
async getAriaLabelledby() {
return (await this.host()).getAttribute('aria-labelledby');
}
/** Whether the tab is selected. */
async isSelected() {
const hostEl = await this.host();
return (await hostEl.getAttribute('aria-selected')) === 'true';
}
/** Whether the tab is disabled. */
async isDisabled() {
const hostEl = await this.host();
return (await hostEl.getAttribute('aria-disabled')) === 'true';
}
/** Selects the given tab by clicking on the label. Tab cannot be selected if disabled. */
async select() {
await (await this.host()).click('center');
}
/** Gets the text content of the tab. */
async getTextContent() {
const contentId = await this._getContentId();
const contentEl = await this.documentRootLocatorFactory().locatorFor(`#${contentId}`)();
return contentEl.text();
}
async getRootHarnessLoader() {
const contentId = await this._getContentId();
return this.documentRootLocatorFactory().harnessLoaderFor(`#${contentId}`);
}
/** Gets the element id for the content of the current tab. */
async _getContentId() {
const hostEl = await this.host();
// Tabs never have an empty "aria-controls" attribute.
return (await hostEl.getAttribute('aria-controls'));
}
}
/** The selector for the host element of a `MatTab` instance. */
MatTabHarness.hostSelector = '.mat-mdc-tab';
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