verdaccio/test/unit/validate_all.js

// ensure that all arguments are validated

var assert = require('assert')

describe('index.js app', test('index.js'))
describe('index-api.js app', test('index-api.js'))
describe('index-web.js app', test('index-web.js'))

function test(file) {
  return function() {
    var source = require('fs').readFileSync(__dirname + '/../../lib/' + file, 'utf8')

    var very_scary_regexp = /\n\s*app\.(\w+)\s*\(\s*(("[^"]*")|('[^']*'))\s*,/g
    var m
    var params = {}

    while ((m = very_scary_regexp.exec(source)) != null) {
      if (m[1] === 'set') continue

      var inner = m[2].slice(1, m[2].length-1)
      var t

      inner.split('/').forEach(function(x) {
        if (m[1] === 'param') {
          params[x] = 'ok'
        } else if (t = x.match(/^:([^?:]*)\??$/)) {
          params[t[1]] = params[t[1]] || m[0].trim()
        }
      })
    }

    Object.keys(params).forEach(function(param) {
      it('should validate ":'+param+'"', function() {
        assert.equal(params[param], 'ok')
      })
    })
  }
}