var tape = require("tape")

var forEachEls = require("../../../src/scripts/lib/foreach-els.js")

var div = document.createElement("div")
var span = document.createElement("span")
var cb = function(el) {
  el.innerHTML = "boom"
}

tape("test forEachEls on one element", function(t) {
  div.innerHTML = "div tag"
  forEachEls(div, cb)

  t.equal(div.innerHTML, "boom", "works correctly on one element")
  t.end()
})


tape("test forEachEls on an array", function(t) {
  div.innerHTML = "div tag"
  span.innerHTML = "span tag"

  forEachEls([div, span], cb)

  t.equal(div.innerHTML, "boom", "works correctly on the first element of the array")
  t.equal(span.innerHTML, "boom", "works correctly on the last element of the array")

  t.end()
})

tape("test forEachEls on an NodeList", function(t) {
  div.innerHTML = "div tag"
  span.innerHTML = "span tag"

  var frag = document.createDocumentFragment()
  frag.appendChild(div)
  frag.appendChild(span)
  forEachEls(frag.childNodes, cb)

  t.equal(div.innerHTML, "boom", "works correctly on the first element of the document fragment")
  t.equal(span.innerHTML, "boom", "works correctly on the last element of the document fragment")

  t.end()
})