70 lines
1.5 KiB
JavaScript
70 lines
1.5 KiB
JavaScript
/* eslint no-console: "off" */
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/* eslint-env node */
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'use strict';
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const babel = require('@babel/core');
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const read = require('fs').readFileSync;
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const path = require('path');
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const vm = require('vm');
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const color = require('chalk');
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const out = function(prefix, step, desc) {
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if (!Array.isArray(step)) {
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step = [step];
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}
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step.forEach(function(item) {
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const str =
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prefix +
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item.replace('\n', ' | ').replace(/\$\w+/g, function(match) {
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return color.cyan(match);
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});
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console.log(color.green(str));
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});
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};
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const library = {
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given: function(step, cb, desc) {
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out('Given ', step, desc);
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return this;
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},
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desc: function(desc) {
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console.log(color.yellow(`- ${desc.trim()}`));
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},
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section: function() {
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console.log(color.yellow(`##`));
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},
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then: function(step, cb, desc) {
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out('Then ', step, desc);
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return this;
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},
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when: function(step, cb, desc) {
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out('When ', step, desc);
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return this;
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},
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};
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const root = process.cwd();
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const exec = function(filename) {
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const js = read(filename);
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const code = babel.transform(js.toString(), {
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filename: filename,
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presets: ['@babel/preset-env'],
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}).code;
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const exports = {};
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vm.runInNewContext(
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code,
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{
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exports: exports,
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require: function(str) {
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return exec(path.resolve(`${root}/tests`, `${str}.js`)).default;
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},
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},
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{
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filename: filename,
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}
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);
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return exports;
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};
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module.exports = function(filename) {
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const assert = () => {};
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exec(filename).default({ assert, library });
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};
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