/* eslint-disable no-eval, no-process-exit, no-unused-vars */ import { Observable } from 'rx'; import tape from 'tape'; import getChallenges from './getChallenges'; import MongoIds from './mongoIds'; import ChallengeTitles from './challengeTitles'; import addAssertsToTapTest from './addAssertsToTapTest'; import { validateChallenge } from './schema/challengeSchema'; // modern challengeType const modern = 6; let mongoIds = new MongoIds(); let challengeTitles = new ChallengeTitles(); function evaluateTest( solution, assert, react, redux, reactRedux, head, tail, test, tapTest ) { let code = solution; /* NOTE: Provide dependencies for React/Redux challenges * and configure testing environment */ let React, ReactDOM, Redux, ReduxThunk, ReactRedux, Enzyme, document; // Fake Deep Equal dependency const DeepEqual = (a, b) => JSON.stringify(a) === JSON.stringify(b); // Hardcode Deep Freeze dependency const DeepFreeze = o => { Object.freeze(o); Object.getOwnPropertyNames(o).forEach(function(prop) { if ( o.hasOwnProperty(prop) && o[prop] !== null && (typeof o[prop] === 'object' || typeof o[prop] === 'function') && !Object.isFrozen(o[prop]) ) { DeepFreeze(o[prop]); } }); return o; }; if (react || redux || reactRedux) { // Provide dependencies, just provide all of them React = require('react'); ReactDOM = require('react-dom'); Redux = require('redux'); ReduxThunk = require('redux-thunk'); ReactRedux = require('react-redux'); Enzyme = require('enzyme'); const Adapter15 = require('enzyme-adapter-react-15'); Enzyme.configure({ adapter: new Adapter15() }); /* Transpile ALL the code * (we may use JSX in head or tail or tests, too): */ const transform = require('babel-standalone').transform; const options = { presets: ['es2015', 'react'] }; head = transform(head, options).code; solution = transform(solution, options).code; tail = transform(tail, options).code; test = transform(test, options).code; const { JSDOM } = require('jsdom'); // Mock DOM document for ReactDOM.render method const jsdom = new JSDOM(`

`); const { window } = jsdom; // Mock DOM for ReactDOM tests document = window.document; global.window = window; global.document = window.document; } /* eslint-enable no-unused-vars */ try { (() => { return eval( head + '\n' + solution + '\n' + tail + '\n' + test.testString ); })(); } catch (e) { console.log(head + '\n' + solution + '\n' + tail + '\n' + test.testString); console.log(e); tapTest.fail(e); process.exit(1); } } function createTest({ title, id = '', tests = [], solutions = [], files = [], react = false, redux = false, reactRedux = false }) { mongoIds.check(id, title); challengeTitles.check(title); solutions = solutions.filter(solution => !!solution); tests = tests.filter(test => !!test); // No support for async tests const isAsync = s => s.includes('(async () => '); if (isAsync(tests.join(''))) { console.log(`Replacing Async Tests for Challenge ${title}`); tests = tests.map( challengeTestSource => isAsync(challengeTestSource) ? "assert(true, 'message: great');" : challengeTestSource ); } const { head, tail } = Object.keys(files) .map(key => files[key]) .reduce( (result, file) => ({ head: result.head + ';' + file.head.join('\n'), tail: result.tail + ';' + file.tail.join('\n') }), { head: '', tail: '' } ); const plan = tests.length; if (!plan) { return Observable.just({ title, type: 'missing' }); } return Observable.fromCallback(tape)(title) .doOnNext( tapTest => (solutions.length ? tapTest.plan(plan) : tapTest.end()) ) .flatMap(tapTest => { if (solutions.length <= 0) { return Observable.just({ title, type: 'missing' }); } return ( Observable.just(tapTest) .map(addAssertsToTapTest) /* eslint-disable no-unused-vars */ // assert and code used within the eval .doOnNext(assert => { solutions.forEach(solution => { tests.forEach(test => { evaluateTest( solution, assert, react, redux, reactRedux, head, tail, test, tapTest ); }); }); }) .map(() => ({ title })) ); }); } Observable.from(getChallenges()) .do(({ challenges }) => { challenges.forEach(challenge => { const result = validateChallenge(challenge); if (result.error) { console.log(result.value); throw new Error(result.error); } }); }) .flatMap(challengeSpec => { return Observable.from(challengeSpec.challenges); }) .filter(({ challengeType }) => challengeType !== modern) .flatMap(challenge => { return createTest(challenge); }) .map(({ title, type }) => { if (type === 'missing') { return title; } return false; }) .filter(title => !!title) .toArray() .subscribe( noSolutions => { if (noSolutions) { console.log( '# These challenges have no solutions\n- [ ] ' + noSolutions.join('\n- [ ] ') ); } }, err => { throw err; }, () => process.exit(0) );