depject/test/assertGiven.js

var test = require('tape')
var assertGiven = require('../assertGiven')

test('throws when given is falsey', function (t) {
  t.throws(() => assertGiven('cats'), /create function should return a function or an object/)
  t.end()
})

test('ok when gives is a string and given is a function', function (t) {
  t.doesNotThrow(() => assertGiven('cats', function () {}))
  t.end()
})

test('throws when gives is a string but given is not a function', function (t) {
  t.throws(() => assertGiven('cats', {}))
  t.throws(() => assertGiven('cats', 'cats'))
  t.end()
})

test('ok when gives is an object and given is an object with matching keys', function (t) {
  var given = {
    cats: function () {},
    dogs: function () {}
  }
  var gives = {
    cats: true,
    dogs: true
  }
  t.doesNotThrow(() => assertGiven(gives, given))
  t.end()
})

test('throws when gives is an object and given is an object with keys that do not match', function (t) {
  var given = {
    dogs: function () {}
  }
  var gives = {
    cats: true,
    dogs: true
  }
  t.throws(() => assertGiven(gives, given))
  t.end()
})

test('throws when gives is a nested object and given is a nested object with keys that do not match', function (t) {
  var given = {
    animals: {
      dogs: function () {}
    }
  }
  var gives = {
    animals: {
      cats: true,
      dogs: true
    }
  }
  t.throws(() => assertGiven(gives, given))
  t.end()
})