59 lines
2.0 KiB
TypeScript
59 lines
2.0 KiB
TypeScript
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/**
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* @license
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* Copyright Google LLC All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.dev/license
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*/
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import {
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ComponentHarness,
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ComponentHarnessConstructor,
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HarnessPredicate,
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} from '@angular/cdk/testing';
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import {OptgroupHarnessFilters} from './optgroup-harness-filters';
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import {MatOptionHarness} from './option-harness';
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import {OptionHarnessFilters} from './option-harness-filters';
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/** Harness for interacting with a `mat-optgroup` in tests. */
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export class MatOptgroupHarness extends ComponentHarness {
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/** Selector used to locate option group instances. */
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static hostSelector = '.mat-mdc-optgroup';
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private _label = this.locatorFor('.mat-mdc-optgroup-label');
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/**
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* Gets a `HarnessPredicate` that can be used to search for a option group with specific
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* attributes.
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* @param options Options for filtering which option instances are considered a match.
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* @return a `HarnessPredicate` configured with the given options.
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*/
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static with<T extends MatOptgroupHarness>(
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this: ComponentHarnessConstructor<T>,
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options: OptgroupHarnessFilters = {},
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): HarnessPredicate<T> {
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return new HarnessPredicate(this, options).addOption(
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'labelText',
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options.labelText,
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async (harness, title) => HarnessPredicate.stringMatches(await harness.getLabelText(), title),
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);
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}
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/** Gets the option group's label text. */
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async getLabelText(): Promise<string> {
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return (await this._label()).text();
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}
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/** Gets whether the option group is disabled. */
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async isDisabled(): Promise<boolean> {
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return (await (await this.host()).getAttribute('aria-disabled')) === 'true';
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}
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/**
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* Gets the options that are inside the group.
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* @param filter Optionally filters which options are included.
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*/
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async getOptions(filter: OptionHarnessFilters = {}): Promise<MatOptionHarness[]> {
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return this.locatorForAll(MatOptionHarness.with(filter))();
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}
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}
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