66 lines
2.2 KiB
TypeScript
66 lines
2.2 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 {ComponentHarness, HarnessPredicate} from '@angular/cdk/testing';
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import {SortDirection} from '@angular/material/sort';
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import {SortHeaderHarnessFilters} from './sort-harness-filters';
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/** Harness for interacting with a standard Angular Material sort header in tests. */
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export class MatSortHeaderHarness extends ComponentHarness {
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static hostSelector = '.mat-sort-header';
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private _container = this.locatorFor('.mat-sort-header-container');
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/**
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* Gets a `HarnessPredicate` that can be used to
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* search for a sort header with specific attributes.
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*/
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static with(options: SortHeaderHarnessFilters = {}): HarnessPredicate<MatSortHeaderHarness> {
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return new HarnessPredicate(MatSortHeaderHarness, options)
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.addOption('label', options.label, (harness, label) =>
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HarnessPredicate.stringMatches(harness.getLabel(), label),
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)
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.addOption('sortDirection', options.sortDirection, (harness, sortDirection) => {
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return HarnessPredicate.stringMatches(harness.getSortDirection(), sortDirection);
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});
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}
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/** Gets the label of the sort header. */
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async getLabel(): Promise<string> {
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return (await this._container()).text();
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}
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/** Gets the sorting direction of the header. */
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async getSortDirection(): Promise<SortDirection> {
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const host = await this.host();
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const ariaSort = await host.getAttribute('aria-sort');
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if (ariaSort === 'ascending') {
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return 'asc';
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} else if (ariaSort === 'descending') {
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return 'desc';
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}
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return '';
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}
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/** Gets whether the sort header is currently being sorted by. */
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async isActive(): Promise<boolean> {
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return !!(await this.getSortDirection());
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}
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/** Whether the sort header is disabled. */
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async isDisabled(): Promise<boolean> {
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return (await this.host()).hasClass('mat-sort-header-disabled');
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}
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/** Clicks the header to change its sorting direction. Only works if the header is enabled. */
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async click(): Promise<void> {
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return (await this.host()).click();
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}
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}
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