@o3r/testing/store/testable-select.js

The module provides testing (e2e, unit test) utilities to help you build your own E2E pipeline integrating visual testing.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.clearSelectorSpies = clearSelectorSpies;
exports.initializeSelectorSpies = initializeSelectorSpies;
exports.spyOnSelector = spyOnSelector;
exports.clearSelectorSpy = clearSelectorSpy;
exports.select = select;
const tslib_1 = require("tslib");
const store_1 = require("@ngrx/store");
const rxjs_1 = require("rxjs");
const typings_1 = require("./typings");
// eslint-disable-next-line import/export -- legacy code
tslib_1.__exportStar(require("@ngrx/store"), exports);
/** Global variable that holds the registered spies */
let registeredSpies = [];
/**
 *
 *  PRIVATE METHODS
 *
 */
/**
 * Searches for the index of given selector
 * @param selectFn Selector function to be searched
 */
const getSpyIndex = (selectFn) => registeredSpies.findIndex((spy) => spy.selector === selectFn);
/**
 * Searches for the given selector spy. Returns undefined if none is registered
 * @param selectFn Selector function to be searched
 */
const getSpy = (selectFn) => {
    const index = getSpyIndex(selectFn);
    return index >= 0 ? registeredSpies[index] : undefined;
};
/**
 * Uses the spy as the return of a select
 * @param spy The selector spy
 */
function useSpy(spy) {
    return (0, typings_1.isSelectorSpyCall)(spy) ? spy.fakeResult : () => (0, rxjs_1.of)(spy.fakeResult);
}
/**
 *
 *  PUBLIC METHODS
 *
 */
/**
 * Clears all the registered selector spies
 */
function clearSelectorSpies() {
    registeredSpies = [];
}
/**
 * Initialize the selector spies structure
 */
function initializeSelectorSpies() {
    clearSelectorSpies();
}
/**
 * Spy on a selector function
 * @param selector Selector function to be spied on
 * @param fakeResult The fake result to be used when a select is triggered
 */
function spyOnSelector(selector, fakeResult) {
    const spyIndex = getSpyIndex(selector);
    if (spyIndex >= 0) {
        registeredSpies[spyIndex].fakeResult = fakeResult;
    }
    else {
        registeredSpies.push({ selector: selector, fakeResult });
    }
}
/**
 * Removes the spy on a given selector function
 * @param selector Selector function that is being spied on
 */
function clearSelectorSpy(selector) {
    const spyIndex = getSpyIndex(selector);
    if (spyIndex >= 0) {
        registeredSpies.splice(spyIndex, 1);
    }
}
/**
 * Highjacked ngrx/store select. It checks if the selector function is being spied on
 * and returns it's fake result. Otherwise, it runs the original ngrx/store select
 * @param selectFn Selector function to be used
 * @param props optional properties to be used by the selector
 */
// eslint-disable-next-line import/export -- legacy code
function select(selectFn, props) {
    const spy = getSpy(selectFn);
    return spy ? useSpy(spy) : (0, store_1.select)(selectFn, props);
}
//# sourceMappingURL=testable-select.js.map