@serenity-js/jasmine/lib/monkeyPatched.js

Serenity/JS test runner adapter for Jasmine, enabling the use of the Screenplay Pattern in Jasmine-based test suites and leveraging Serenity/JS reporting capabilities

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.monkeyPatched = monkeyPatched;
const index_js_1 = require("@serenity-js/core/lib/errors/index.js");
const parser = new index_js_1.ErrorStackParser();
/* eslint-disable @typescript-eslint/explicit-module-boundary-types, @typescript-eslint/ban-types */
/**
 * Monkey-patches Jasmine domain model constructors so that they
 * record information about the file system location of the caller function.
 *
 * This helps to make reporting more accurate.
 *
 * @param jasmineConstructor - A Jasmine constructor function to be patched
 * @param {object} wrappers - Attributes to wrap when the monkey-patched Jasmine constructor is invoked
 */
function monkeyPatched(jasmineConstructor, wrappers = {}) {
    const result = function MonkeyPatched(attrs) {
        Object.keys(wrappers).forEach(key => {
            attrs[key] = wrappers[key](attrs[key]);
        });
        const instance = new jasmineConstructor(attrs);
        instance.result.location = callerLocation();
        return instance;
    };
    Object.getOwnPropertyNames(jasmineConstructor)
        .filter(isAStaticProperty)
        .forEach(property => {
        result[property] = jasmineConstructor[property];
    });
    return result;
}
// eslint-enable
/**
 * Retrieves the file system location of the caller function.
 *
 * @package
 */
function callerLocation() {
    const frames = parser.parse(new Error('fake error'));
    const found = frames
        .filter(frame => !/(node_modules)/.test(frame.fileName))
        .find(frame => /^(Suite|Object|Proxy)/.test(frame.functionName) || !frame.functionName);
    const caller = found || { fileName: 'unknown', lineNumber: 0, columnNumber: 0 };
    return {
        path: caller.fileName,
        line: caller.lineNumber,
        column: caller.columnNumber,
    };
}
/**
 * Checks if a given property is likely to be a static method or a static field on the constructor function.
 *
 * @package
 */
function isAStaticProperty(property) {
    return !~['length', 'name', 'arguments', 'caller', 'prototype'].indexOf(property);
}
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