freecodecamp-projects/7-quality-assurance/4-sudoku-solver/routes/fcctesting.js

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*       DO NOT EDIT THIS FILE
*       For FCC testing purposes!
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'use strict';

const cors = require('cors');
const fs = require('fs');
const runner = require('../test-runner');

module.exports = function (app) {

  app.route('/_api/server.js')
    .get(function(req, res, next) {
      console.log('requested');
      fs.readFile(__dirname + '/server.js', function(err, data) {
        if(err) return next(err);
        res.send(data.toString());
      });
    });
  app.route('/_api/routes/api.js')
    .get(function(req, res, next) {
      console.log('requested');
      fs.readFile(__dirname + '/routes/api.js', function(err, data) {
        if(err) return next(err);
        res.type('txt').send(data.toString());
      });
    });
  app.route('/_api/controllers/convertHandler.js')
    .get(function(req, res, next) {
      console.log('requested');
      fs.readFile(__dirname + '/controllers/convertHandler.js', function(err, data) {
        if(err) return next(err);
        res.type('txt').send(data.toString());
      });
    });

  app.get('/_api/get-tests', cors(), function(req, res, next){
    console.log('requested');
    if(process.env.NODE_ENV === 'test') return next();
    res.json({status: 'unavailable'});
  },
  function(req, res, next){
    if(!runner.report) return next();
    res.json(testFilter(runner.report, req.query.type, req.query.n));
  },
  function(req, res){
    runner.on('done', function(report){
      process.nextTick(() =>  res.json(testFilter(runner.report, req.query.type, req.query.n)));
    });
  });
  app.get('/_api/app-info', function(req, res) {
    let hs = Object.keys(res._headers)
      .filter(h => !h.match(/^access-control-\w+/));
    let hObj = {};
    hs.forEach(h => {hObj[h] = res._headers[h]});
    delete res._headers['strict-transport-security'];
    res.json({headers: hObj});
  });
  
};

function testFilter(tests, type, n) {
  let out;
  switch (type) {
    case 'unit' :
      out = tests.filter(t => t.context.match('Unit Tests'));
      break;
    case 'functional':
      out = tests.filter(t => t.context.match('Functional Tests') && !t.title.match('#example'));
      break;
    default:
      out = tests;
  }
  if(n !== undefined) {
    return out[n] || out;
  }
  return out;
}