devextreme/esm/__internal/scheduler/recurrence/days_from_by_day_rule.test.js

JavaScript/TypeScript Component Suite for Responsive Web Development

/**
 * DevExtreme (esm/__internal/scheduler/recurrence/days_from_by_day_rule.test.js)
 * Version: 25.2.5
 * Build date: Fri Feb 20 2026
 *
 * Copyright (c) 2012 - 2026 Developer Express Inc. ALL RIGHTS RESERVED
 * Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
 */
import {
    describe,
    expect,
    it
} from "@jest/globals";
import {
    parseRecurrenceRule
} from "./base";
import {
    daysFromByDayRule
} from "./days_from_by_day_rule";
describe("daysFromByDayRule", (() => {
    it("get days of the week by byDay rule", (() => {
        const rule = parseRecurrenceRule("FREQ=WEEKLY;BYDAY=TU,SA");
        const days = daysFromByDayRule(rule);
        expect(days).toEqual(["TU", "SA"])
    }));
    it("get days of the week if byDay has frequence for day", (() => {
        const rule = parseRecurrenceRule("FREQ=MONTHLY;BYDAY=1TU");
        const days = daysFromByDayRule(rule);
        expect(days).toEqual(["TU"])
    }));
    it("get days of the week if byDay has frequence for day (2 values)", (() => {
        const rule = parseRecurrenceRule("FREQ=MONTHLY;BYDAY=1TU,3FR");
        const days = daysFromByDayRule(rule);
        expect(days).toEqual(["TU", "FR"])
    }))
}));