@angular/material/esm2020/datepicker/testing/calendar-harness.mjs

Angular Material

/**
 * @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 { HarnessPredicate, ComponentHarness } from '@angular/cdk/testing';
import { MatCalendarCellHarness } from './calendar-cell-harness';
/** Harness for interacting with a standard Material calendar in tests. */
export class MatCalendarHarness extends ComponentHarness {
    constructor() {
        super(...arguments);
        /** Queries for the calendar's period toggle button. */
        this._periodButton = this.locatorFor('.mat-calendar-period-button');
    }
    /**
     * Gets a `HarnessPredicate` that can be used to search for a `MatCalendarHarness`
     * that meets certain criteria.
     * @param options Options for filtering which calendar instances are considered a match.
     * @return a `HarnessPredicate` configured with the given options.
     */
    static with(options = {}) {
        return new HarnessPredicate(MatCalendarHarness, options);
    }
    /**
     * Gets a list of cells inside the calendar.
     * @param filter Optionally filters which cells are included.
     */
    async getCells(filter = {}) {
        return this.locatorForAll(MatCalendarCellHarness.with(filter))();
    }
    /** Gets the current view that is being shown inside the calendar. */
    async getCurrentView() {
        if (await this.locatorForOptional('mat-multi-year-view')()) {
            return 2 /* CalendarView.MULTI_YEAR */;
        }
        if (await this.locatorForOptional('mat-year-view')()) {
            return 1 /* CalendarView.YEAR */;
        }
        return 0 /* CalendarView.MONTH */;
    }
    /** Gets the label of the current calendar view. */
    async getCurrentViewLabel() {
        return (await this._periodButton()).text();
    }
    /** Changes the calendar view by clicking on the view toggle button. */
    async changeView() {
        return (await this._periodButton()).click();
    }
    /** Goes to the next page of the current view (e.g. next month when inside the month view). */
    async next() {
        return (await this.locatorFor('.mat-calendar-next-button')()).click();
    }
    /**
     * Goes to the previous page of the current view
     * (e.g. previous month when inside the month view).
     */
    async previous() {
        return (await this.locatorFor('.mat-calendar-previous-button')()).click();
    }
    /**
     * Selects a cell in the current calendar view.
     * @param filter An optional filter to apply to the cells. The first cell matching the filter
     *     will be selected.
     */
    async selectCell(filter = {}) {
        const cells = await this.getCells(filter);
        if (!cells.length) {
            throw Error(`Cannot find calendar cell matching filter ${JSON.stringify(filter)}`);
        }
        await cells[0].select();
    }
}
MatCalendarHarness.hostSelector = '.mat-calendar';
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