@angular/material
Version:
Angular Material
54 lines • 7.97 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 { ComponentHarness, HarnessPredicate } from '@angular/cdk/testing';
/** Harness for interacting with a standard mat-icon in tests. */
export class MatIconHarness extends ComponentHarness {
/**
* Gets a `HarnessPredicate` that can be used to search for a `MatIconHarness` that meets
* certain criteria.
* @param options Options for filtering which icon instances are considered a match.
* @return a `HarnessPredicate` configured with the given options.
*/
static with(options = {}) {
return new HarnessPredicate(MatIconHarness, options)
.addOption('type', options.type, async (harness, type) => (await harness.getType()) === type)
.addOption('name', options.name, (harness, text) => HarnessPredicate.stringMatches(harness.getName(), text))
.addOption('namespace', options.namespace, (harness, text) => HarnessPredicate.stringMatches(harness.getNamespace(), text));
}
/** Gets the type of the icon. */
async getType() {
const type = await (await this.host()).getAttribute('data-mat-icon-type');
return type === 'svg' ? 0 /* SVG */ : 1 /* FONT */;
}
/** Gets the name of the icon. */
async getName() {
const host = await this.host();
const nameFromDom = await host.getAttribute('data-mat-icon-name');
// If we managed to figure out the name from the attribute, use it.
if (nameFromDom) {
return nameFromDom;
}
// Some icons support defining the icon as a ligature.
// As a fallback, try to extract it from the DOM text.
if (await this.getType() === 1 /* FONT */) {
return host.text();
}
return null;
}
/** Gets the namespace of the icon. */
async getNamespace() {
return (await this.host()).getAttribute('data-mat-icon-namespace');
}
/** Gets whether the icon is inline. */
async isInline() {
return (await this.host()).hasClass('mat-icon-inline');
}
}
/** The selector for the host element of a `MatIcon` instance. */
MatIconHarness.hostSelector = '.mat-icon';
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