@angular/material
Version:
Angular Material
29 lines • 4.68 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, } from '@angular/cdk/testing';
/** Harness for interacting with a `mat-error` in tests. */
export class MatErrorHarness extends ComponentHarness {
static { this.hostSelector = '.mat-mdc-form-field-error'; }
/**
* Gets a `HarnessPredicate` that can be used to search for an error with specific
* attributes.
* @param options Options for filtering which error instances are considered a match.
* @return a `HarnessPredicate` configured with the given options.
*/
static with(options = {}) {
return MatErrorHarness._getErrorPredicate(this, options);
}
static _getErrorPredicate(type, options) {
return new HarnessPredicate(type, options).addOption('text', options.text, (harness, text) => HarnessPredicate.stringMatches(harness.getText(), text));
}
/** Gets a promise for the error's label text. */
async getText() {
return (await this.host()).text();
}
}
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