114 lines
3.3 KiB
JavaScript
114 lines
3.3 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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const random = require('../random')
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const make = require('../make')
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const utils = require('../utils')
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const {o} = require('./objects')
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class script extends utils {
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static methodHead (list, numOptional) {
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if (isNaN(numOptional)) {
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numOptional = 0
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}
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let arity = list.length - random.number(numOptional)
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let params = []
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for (let i = 0; i < arity; i++) {
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params.push(random.pick([list[i]]))
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}
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return `(${params.join(', ')})`
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}
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static methodCall (objectName, methodHash) {
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if (!utils.common.getKeysFromHash(methodHash).length || !objectName) {
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return ''
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}
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let methodName = random.key(methodHash)
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let methodArgs = methodHash[methodName]
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if (typeof (methodArgs) === 'function') { // Todo: Hmmmm..
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return methodArgs()
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}
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return `${objectName}.${methodName}${script.methodHead(methodArgs)}`
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}
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static setAttribute (objectName, attributeHash) {
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if (!utils.common.getKeysFromHash(attributeHash).length || !objectName) {
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return ''
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}
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let attributeName = random.key(attributeHash)
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let attributeValue = random.pick(attributeHash[attributeName])
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let operator = ' = '
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/*
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if (typeof(attributeValue) == "number" && Random.chance(8)) {
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operator = " " + Make.randomAssignmentOperator() + " ";
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}
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if (typeof(attributeValue) == "string") {
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attributeValue = "'" + attributeValue + "'";
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}
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*/
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return `${objectName}.${attributeName}${operator}${attributeValue};`
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}
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static makeConstraint (keys, values) {
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let o = {}
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let n = random.range(0, keys.length)
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while (n--) {
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o[random.pick(keys)] = random.pick(values)
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}
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return o
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}
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static makeRandomOptions (baseObject) {
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let o = {}
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let unique = random.subset(Object.keys(baseObject))
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for (let i = 0; i < unique.length; i++) {
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o[unique[i]] = random.pick(baseObject[unique[i]])
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}
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return JSON.stringify(o)
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}
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static safely (obj) {
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if (Array.isArray(obj)) {
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return obj.map(s => utils.script.safely(s)).join(' ')
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} else {
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return `try { ${obj} } catch(e) { }`
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}
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}
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static makeLoop (s, max) {
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return `for (let i = 0; i < ${max || make.number.range()}; i++) {${s}}`
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}
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static makeArray (type, arrayLength, cb) {
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if (type === null || type === undefined) {
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type = random.item(['Uint8', 'Float32'])
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}
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switch (random.number(8)) {
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case 0:
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let src = `function() { let buffer = new ${type}Array(${arrayLength});`
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src += script.makeLoop(`buffer[i] = ${cb()};`, arrayLength)
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src += 'return buffer;}()'
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return src
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case 1:
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return `new ${type}Array([${make.arrays.filledArray(cb, arrayLength)}])`
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default:
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return `new ${type}Array(${arrayLength})`
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}
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}
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static randListIndex (objName) {
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return `${random.number()} % ${o.pick(objName)}.length`
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}
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static addElementToBody (name) {
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return `(document.body || document.documentElement).appendChild${script.methodHead([name])}`
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}
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static getRandomElement () {
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return `document.getElementsByTagName('*')[${random.number(document.getElementsByTagName('*').length)}]`
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}
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}
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module.exports = script
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