@angular/material
Version:
Angular Material
104 lines (101 loc) • 4.36 kB
JavaScript
import { ComponentHarness, HarnessPredicate } from '@angular/cdk/testing';
import { coerceBooleanProperty } from '@angular/cdk/coercion';
/** Harness for interacting with a mat-slide-toggle in tests. */
class MatSlideToggleHarness extends ComponentHarness {
_label = this.locatorFor('label');
_nativeElement = this.locatorFor('button');
static hostSelector = '.mat-mdc-slide-toggle';
/**
* Gets a `HarnessPredicate` that can be used to search for a slide-toggle w/ specific attributes.
* @param options Options for narrowing the search:
* - `selector` finds a slide-toggle whose host element matches the given selector.
* - `label` finds a slide-toggle with specific label text.
* @return a `HarnessPredicate` configured with the given options.
*/
static with(options = {}) {
return (new HarnessPredicate(this, options)
.addOption('label', options.label, (harness, label) => HarnessPredicate.stringMatches(harness.getLabelText(), label))
// We want to provide a filter option for "name" because the name of the slide-toggle is
// only set on the underlying input. This means that it's not possible for developers
// to retrieve the harness of a specific checkbox with name through a CSS selector.
.addOption('name', options.name, async (harness, name) => (await harness.getName()) === name)
.addOption('checked', options.checked, async (harness, checked) => (await harness.isChecked()) == checked)
.addOption('disabled', options.disabled, async (harness, disabled) => (await harness.isDisabled()) == disabled));
}
/** Toggle the checked state of the slide-toggle. */
async toggle() {
return (await this._nativeElement()).click();
}
/** Whether the slide-toggle is checked. */
async isChecked() {
const checked = (await this._nativeElement()).getAttribute('aria-checked');
return coerceBooleanProperty(await checked);
}
/** Whether the slide-toggle is disabled. */
async isDisabled() {
const nativeElement = await this._nativeElement();
const disabled = await nativeElement.getAttribute('disabled');
if (disabled !== null) {
return coerceBooleanProperty(disabled);
}
return (await nativeElement.getAttribute('aria-disabled')) === 'true';
}
/** Whether the slide-toggle is required. */
async isRequired() {
const ariaRequired = await (await this._nativeElement()).getAttribute('aria-required');
return ariaRequired === 'true';
}
/** Whether the slide-toggle is valid. */
async isValid() {
const invalid = (await this.host()).hasClass('ng-invalid');
return !(await invalid);
}
/** Gets the slide-toggle's name. */
async getName() {
return (await this._nativeElement()).getAttribute('name');
}
/** Gets the slide-toggle's aria-label. */
async getAriaLabel() {
return (await this._nativeElement()).getAttribute('aria-label');
}
/** Gets the slide-toggle's aria-labelledby. */
async getAriaLabelledby() {
return (await this._nativeElement()).getAttribute('aria-labelledby');
}
/** Gets the slide-toggle's label text. */
async getLabelText() {
return (await this._label()).text();
}
/** Focuses the slide-toggle. */
async focus() {
return (await this._nativeElement()).focus();
}
/** Blurs the slide-toggle. */
async blur() {
return (await this._nativeElement()).blur();
}
/** Whether the slide-toggle is focused. */
async isFocused() {
return (await this._nativeElement()).isFocused();
}
/**
* Puts the slide-toggle in a checked state by toggling it if it is currently unchecked, or doing
* nothing if it is already checked.
*/
async check() {
if (!(await this.isChecked())) {
await this.toggle();
}
}
/**
* Puts the slide-toggle in an unchecked state by toggling it if it is currently checked, or doing
* nothing if it is already unchecked.
*/
async uncheck() {
if (await this.isChecked()) {
await this.toggle();
}
}
}
export { MatSlideToggleHarness };
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