jest-electron/lib/environment.js

Easiest way to run jest unit test cases in electron.

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __generator = (this && this.__generator) || function (thisArg, body) {
    var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
    return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
    function verb(n) { return function (v) { return step([n, v]); }; }
    function step(op) {
        if (f) throw new TypeError("Generator is already executing.");
        while (_) try {
            if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
            if (y = 0, t) op = [op[0] & 2, t.value];
            switch (op[0]) {
                case 0: case 1: t = op; break;
                case 4: _.label++; return { value: op[1], done: false };
                case 5: _.label++; y = op[1]; op = [0]; continue;
                case 7: op = _.ops.pop(); _.trys.pop(); continue;
                default:
                    if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
                    if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
                    if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
                    if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
                    if (t[2]) _.ops.pop();
                    _.trys.pop(); continue;
            }
            op = body.call(thisArg, _);
        } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
        if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
    }
};
Object.defineProperty(exports, "__esModule", { value: true });
var jest_util_1 = require("jest-util");
var mock = require("jest-mock");
function isDebugMode() {
    return !!process.env.DEBUG_MODE;
}
// env for electron
// code here https://github.com/facebook-atom/jest-electron-runner/blob/master/packages/electron/src/Environment.js
var ElectronEnvironment = /** @class */ (function () {
    function ElectronEnvironment(config) {
        var _this = this;
        this.electronWindowConsole = global.console;
        this.global = global;
        if (isDebugMode()) {
            // defineProperty multi-times will throw
            try {
                // because of jest will set the console in runTest force, so we should override the console instance of electron
                // https://github.com/facebook/jest/blob/6e6a8e827bdf392790ac60eb4d4226af3844cb15/packages/jest-runner/src/runTest.ts#L153
                Object.defineProperty(this.global, 'console', {
                    get: function () {
                        return _this.electronWindowConsole;
                    },
                    set: function () { },
                });
                jest_util_1.installCommonGlobals(this.global, config.globals);
            }
            catch (e) { }
        }
        this.moduleMocker = new mock.ModuleMocker(global);
        this.fakeTimers = {
            useFakeTimers: function () {
                throw new Error('fakeTimers are not supported in electron environment');
            },
            clearAllTimers: function () { },
        };
    }
    ElectronEnvironment.prototype.setup = function () {
        return __awaiter(this, void 0, void 0, function () { return __generator(this, function (_a) {
            return [2 /*return*/];
        }); });
    };
    ElectronEnvironment.prototype.teardown = function () {
        return __awaiter(this, void 0, void 0, function () { return __generator(this, function (_a) {
            return [2 /*return*/];
        }); });
    };
    ElectronEnvironment.prototype.runScript = function (script) {
        return script.runInThisContext();
    };
    return ElectronEnvironment;
}());
exports.default = ElectronEnvironment;