src/app/common/util.spec.ts

/*
******************************************************************************
* Copyright © 2018 PTA GmbH.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
*
*     http://www.eclipse.org/legal/epl-v10.html
*
******************************************************************************
*/
import { Util } from './util';
import { Globals } from './globals';
import {
    INPUTDATESTRINGARRAY0,
    INPUTDATESTRINGARRAY1,
    INPUTDATESTRINGARRAY2,
    INPUTDATESTRINGARRAY3,
    INPUTDATESTRINGARRAY4,
    INPUTDATESTRINGARRAY5,
    INPUTDATESTRINGARRAY6
} from './../test-data/datestringarrays';

describe('Util', () => {
    let element: HTMLElement;

    beforeEach(() => {
        element = document.createElement('div');
    });

    it('calculates the correct drop orientation', () => {
        spyOn(element, 'getBoundingClientRect').and.returnValue({'top': Globals.DATEPICKER_HEIGHT});
        expect(Util.calcDatepickerDropOrientation(element)).toBe('down');
    });

    it('calculates the correct drop orientation', () => {
        spyOn(element, 'getBoundingClientRect').and.returnValue({'top': Globals.DATEPICKER_HEIGHT - 1});
        expect(Util.calcDatepickerDropOrientation(element)).toBe('down');
    });

    it('calculates the correct drop orientation', () => {
        spyOn(element, 'getBoundingClientRect').and.returnValue({'top': Globals.DATEPICKER_HEIGHT + 1});
        expect(Util.calcDatepickerDropOrientation(element)).toBe('up');
    });

    it('calculates the correct drop orientation for no valid HTML element', () => {
        expect(Util.calcDatepickerDropOrientation(null)).toBe('');
    });

    it('should calculate earliest datestring', () => {
        expect(Util.getEarliestValidDateString(INPUTDATESTRINGARRAY0)).toBe('');
        expect(Util.getEarliestValidDateString(INPUTDATESTRINGARRAY1)).toBe('');
        expect(Util.getEarliestValidDateString(INPUTDATESTRINGARRAY2)).toBe('');
        expect(Util.getEarliestValidDateString(INPUTDATESTRINGARRAY3)).toBe('2017-01-15T11:11:00z');
        expect(Util.getEarliestValidDateString(INPUTDATESTRINGARRAY4)).toBe('2017-01-16T11:11:00z');
        expect(Util.getEarliestValidDateString(INPUTDATESTRINGARRAY5)).toBe('2017-01-01T11:11:00z');
        expect(Util.getEarliestValidDateString(INPUTDATESTRINGARRAY6)).toBe('2016-02-15T11:11:00z');
    });

    it('should calculate latest datestring', () => {
        expect(Util.getLatestValidDateString(INPUTDATESTRINGARRAY0)).toBe('');
        expect(Util.getLatestValidDateString(INPUTDATESTRINGARRAY1)).toBe('');
        expect(Util.getLatestValidDateString(INPUTDATESTRINGARRAY2)).toBe('');
        expect(Util.getLatestValidDateString(INPUTDATESTRINGARRAY3)).toBe('2017-01-15T11:11:00z');
        expect(Util.getLatestValidDateString(INPUTDATESTRINGARRAY4)).toBe('2017-01-16T11:11:00z');
        expect(Util.getLatestValidDateString(INPUTDATESTRINGARRAY5)).toBe('2017-02-15T11:11:00z');
        expect(Util.getLatestValidDateString(INPUTDATESTRINGARRAY6)).toBe('2018-01-01T11:11:00z');
    });
});