46 lines
1.5 KiB
TypeScript
46 lines
1.5 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 {coerceNumberProperty} from '@angular/cdk/coercion';
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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 {ProgressBarHarnessFilters} from './progress-bar-harness-filters';
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/** Harness for interacting with a `mat-progress-bar` in tests. */
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export class MatProgressBarHarness extends ComponentHarness {
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static hostSelector = '.mat-mdc-progress-bar';
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/**
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* Gets a `HarnessPredicate` that can be used to search for a progress bar with specific
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* attributes.
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* @param options Options for filtering which progress bar 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 MatProgressBarHarness>(
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this: ComponentHarnessConstructor<T>,
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options: ProgressBarHarnessFilters = {},
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): HarnessPredicate<T> {
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return new HarnessPredicate(this, options);
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}
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/** Gets a promise for the progress bar's value. */
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async getValue(): Promise<number | null> {
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const host = await this.host();
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const ariaValue = await host.getAttribute('aria-valuenow');
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return ariaValue ? coerceNumberProperty(ariaValue) : null;
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}
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/** Gets a promise for the progress bar's mode. */
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async getMode(): Promise<string | null> {
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return (await this.host()).getAttribute('mode');
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}
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}
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