sass-references/angular-material/material/list/testing/list-harness.ts

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2024-12-06 10:42:08 +08:00
/**
* @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.dev/license
*/
import {ComponentHarnessConstructor, HarnessPredicate} from '@angular/cdk/testing';
import {MatListHarnessBase} from './list-harness-base';
import {ListHarnessFilters, ListItemHarnessFilters} from './list-harness-filters';
import {getListItemPredicate, MatListItemHarnessBase} from './list-item-harness-base';
/** Harness for interacting with a list in tests. */
export class MatListHarness extends MatListHarnessBase<
typeof MatListItemHarness,
MatListItemHarness,
ListItemHarnessFilters
> {
/** The selector for the host element of a `MatList` instance. */
static hostSelector = '.mat-mdc-list';
/**
* Gets a `HarnessPredicate` that can be used to search for a list with specific attributes.
* @param options Options for filtering which list instances are considered a match.
* @return a `HarnessPredicate` configured with the given options.
*/
static with<T extends MatListHarness>(
this: ComponentHarnessConstructor<T>,
options: ListHarnessFilters = {},
): HarnessPredicate<T> {
return new HarnessPredicate(this, options);
}
override _itemHarness = MatListItemHarness;
}
/** Harness for interacting with a list item. */
export class MatListItemHarness extends MatListItemHarnessBase {
/** The selector for the host element of a `MatListItem` instance. */
static hostSelector = `${MatListHarness.hostSelector} .mat-mdc-list-item`;
/**
* Gets a `HarnessPredicate` that can be used to search for a list item with specific attributes.
* @param options Options for filtering which list item instances are considered a match.
* @return a `HarnessPredicate` configured with the given options.
*/
static with<T extends MatListItemHarness>(
this: ComponentHarnessConstructor<T>,
options: ListItemHarnessFilters = {},
): HarnessPredicate<T> {
return getListItemPredicate(this, options);
}
}