@angular/material
Version:
Angular Material
44 lines • 5.94 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 { HarnessPredicate, parallel } from '@angular/cdk/testing';
import { MatChipOptionHarness } from './chip-option-harness';
import { _MatChipListHarnessBase } from './chip-list-harness';
/** Harness for interacting with a standard selectable chip list in tests. */
export class MatChipListboxHarness extends _MatChipListHarnessBase {
/**
* Gets a `HarnessPredicate` that can be used to search for a `MatChipListHarness` that meets
* certain criteria.
* @param options Options for filtering which chip list instances are considered a match.
* @return a `HarnessPredicate` configured with the given options.
*/
static with(options = {}) {
return new HarnessPredicate(MatChipListboxHarness, options);
}
/**
* Gets the list of chips inside the chip list.
* @param filter Optionally filters which chips are included.
*/
async getChips(filter = {}) {
return this.locatorForAll(MatChipOptionHarness.with(filter))();
}
/**
* Selects a chip inside the chip list.
* @param filter An optional filter to apply to the child chips.
* All the chips matching the filter will be selected.
*/
async selectChips(filter = {}) {
const chips = await this.getChips(filter);
if (!chips.length) {
throw Error(`Cannot find chip matching filter ${JSON.stringify(filter)}`);
}
await parallel(() => chips.map(chip => chip.select()));
}
}
/** The selector for the host element of a `MatChipList` instance. */
MatChipListboxHarness.hostSelector = '.mat-chip-list';
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