devextreme/cjs/__internal/scheduler/utils/macro_task_array/dispatcher.test.js

HTML5 JavaScript Component Suite for Responsive Web Development

/**
 * DevExtreme (cjs/__internal/scheduler/utils/macro_task_array/dispatcher.test.js)
 * Version: 24.2.6
 * Build date: Mon Mar 17 2025
 *
 * Copyright (c) 2012 - 2025 Developer Express Inc. ALL RIGHTS RESERVED
 * Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
 */

"use strict";
var _globals = require("@jest/globals");
var _dispatcher = _interopRequireWildcard(require("./dispatcher"));

function _getRequireWildcardCache(e) {
    if ("function" != typeof WeakMap) {
        return null
    }
    var r = new WeakMap,
        t = new WeakMap;
    return (_getRequireWildcardCache = function(e) {
        return e ? t : r
    })(e)
}

function _interopRequireWildcard(e, r) {
    if (!r && e && e.__esModule) {
        return e
    }
    if (null === e || "object" != typeof e && "function" != typeof e) {
        return {
            default: e
        }
    }
    var t = _getRequireWildcardCache(r);
    if (t && t.has(e)) {
        return t.get(e)
    }
    var n = {
            __proto__: null
        },
        a = Object.defineProperty && Object.getOwnPropertyDescriptor;
    for (var u in e) {
        if ("default" !== u && {}.hasOwnProperty.call(e, u)) {
            var i = a ? Object.getOwnPropertyDescriptor(e, u) : null;
            i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]
        }
    }
    return n.default = e, t && t.set(e, n), n
}
_globals.jest.useFakeTimers();
(0, _globals.describe)("Scheduler", (() => {
    (0, _globals.describe)("MacroTaskArray", (() => {
        (0, _globals.describe)("Dispatcher", (() => {
            (0, _globals.describe)("schedule", (() => {
                (0, _globals.it)("should add timeout ids to timeout ids set", (() => {
                    _dispatcher.default.schedule(_globals.jest.fn(), 0).finally((() => {}));
                    _dispatcher.default.schedule(_globals.jest.fn(), 0).finally((() => {}));
                    (0, _globals.expect)(_dispatcher.macroTaskIdSet.size).toBe(2)
                }));
                (0, _globals.it)("should remove timeout id from timeout ids set after macro task execution", (async () => {
                    const p1 = _dispatcher.default.schedule(_globals.jest.fn(), 0);
                    const p2 = _dispatcher.default.schedule(_globals.jest.fn(), 0);
                    _globals.jest.advanceTimersByTime(0);
                    await Promise.all([p1, p2]);
                    (0, _globals.expect)(_dispatcher.macroTaskIdSet.size).toBe(0)
                }));
                (0, _globals.it)("should call callback as macro task", (() => {
                    const callbackMock = _globals.jest.fn();
                    _dispatcher.default.schedule(callbackMock, 0).finally((() => {}));
                    (0, _globals.expect)(callbackMock).toHaveBeenCalledTimes(0);
                    _globals.jest.advanceTimersByTime(0);
                    (0, _globals.expect)(callbackMock).toHaveBeenCalledTimes(1)
                }));
                (0, _globals.it)("should use macroTaskTimeoutMs form macro task delay", (() => {
                    const callbackMock = _globals.jest.fn();
                    _dispatcher.default.schedule(callbackMock, 1e3).finally((() => {}));
                    (0, _globals.expect)(callbackMock).toHaveBeenCalledTimes(0);
                    _globals.jest.advanceTimersByTime(500);
                    (0, _globals.expect)(callbackMock).toHaveBeenCalledTimes(0);
                    _globals.jest.advanceTimersByTime(500);
                    (0, _globals.expect)(callbackMock).toHaveBeenCalledTimes(1)
                }))
            }));
            (0, _globals.describe)("dispose", (() => {
                (0, _globals.it)("should clear scheduled macro tasks", (() => {
                    const clearTimeoutSpy = _globals.jest.spyOn(window, "clearTimeout");
                    _dispatcher.default.schedule(_globals.jest.fn(), 0).finally((() => {}));
                    _dispatcher.default.schedule(_globals.jest.fn(), 0).finally((() => {}));
                    const [firstId, secondId] = Array.from(_dispatcher.macroTaskIdSet);
                    _dispatcher.default.dispose();
                    (0, _globals.expect)(clearTimeoutSpy).toHaveBeenCalledTimes(2);
                    (0, _globals.expect)(clearTimeoutSpy.mock.calls).toEqual([
                        [firstId],
                        [secondId]
                    ])
                }));
                (0, _globals.it)("should clear timeout ids set", (() => {
                    _dispatcher.default.schedule(_globals.jest.fn(), 0).finally((() => {}));
                    _dispatcher.default.schedule(_globals.jest.fn(), 0).finally((() => {}));
                    (0, _globals.expect)(_dispatcher.macroTaskIdSet.size).toBe(2);
                    _dispatcher.default.dispose();
                    (0, _globals.expect)(_dispatcher.macroTaskIdSet.size).toBe(0)
                }))
            }))
        }))
    }))
}));