text-commander/test/index.js

tiny library for text-based interactions (e.g. MUDs, text-based adventure games, etc)

var test = require('tape')
var commandeer = require('..')

test('import comandeer function', t=> {
  t.deepEqual(typeof commandeer, 'function')
  t.end()
})

test('can pass in a list of objects {template: fn}', t=>{
  t.plan(6)
  var cmdr = commandeer([
    {'fall through the {thing}': ({thing}) => {
      t.deepEqual(thing, 'book', 'fall through book')
      return 'falling through the book'
    }},
    {'look at {thing}': ({thing}) => {
      t.deepEqual(thing, 'pedestal', 'look at pedestal')
      return 'looking at pedestal'
    }},
    {'look': () => {
      t.ok(true, 'look')
      return 'just looking'
    }}
  ])
  t.deepEqual(
    cmdr('look'),
    'just looking')
  t.deepEqual(
    cmdr('look at pedestal'),
    'looking at pedestal')
  t.deepEqual(
    cmdr('fall through the book'),
    'falling through the book')
})

test('cmdr will return falsey if no match is found', t=>{
  var cmdr = commandeer([
    {'fall through the {thing}': ({thing}) => {
      t.deepEqual(thing, 'book', 'fall through book')
    }}
  ])
  t.notOk(cmdr('look at book'))
  t.end()
})

test('will respect iteration order, matching one command at a time', t=>{
  var cmdr = commandeer([
    {'link {thing} with {otherThing}': ({thing, otherThing}) => {
      t.deepEqual(thing, 'one')
      t.deepEqual(otherThing, 'the other')
      t.end()
    }},
    {'link {thing} with {otherThing}': ({thing, otherThing}) => {
      t.notOk(thing)
      t.end()
    }}
  ])
  // this command will match both of the functions
  // but, the way they are ordered, we should only see one get executed
  cmdr('link one with the other')
})


// nice to have

test('check that input is a list', t => {
  t.throws(() => {
    commandeer({
      '{thing}': ({thing}) => console.log('woo')
    })
  })
  t.end()
})

test('check each item in list for schema', t => {
  t.throws( () => {
    commandeer([{
      'some {thing}': 'not a fn'
    }])
  })
  t.end()
})