/* Any copyright is dedicated to the Public Domain.
 * http://creativecommons.org/publicdomain/zero/1.0/ */

"use strict";

//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------

var rule = require("../lib/rules/avoid-removeChild");

//------------------------------------------------------------------------------
// Tests
//------------------------------------------------------------------------------

function invalidCode(code, message) {
  if (!message) {
    message = "use element.remove() instead of " +
              "element.parentNode.removeChild(element)";
  }
  return {code: code, errors: [{message: message, type: "CallExpression"}]};
}

exports.runTest = function(ruleTester) {
  ruleTester.run("no-useless-removeEventListener", rule, {
    valid: [
      "elt.remove();",
      "elt.parentNode.parentNode.removeChild(elt2.parentNode);",
      "elt.parentNode.removeChild(elt2);",
      "elt.removeChild(elt2);"
    ],
    invalid: [
      invalidCode("elt.parentNode.removeChild(elt);"),
      invalidCode("elt.parentNode.parentNode.removeChild(elt.parentNode);"),
      invalidCode("$(e).parentNode.removeChild($(e));"),
      invalidCode("$('e').parentNode.removeChild($('e'));"),
      invalidCode("elt.removeChild(elt.firstChild);",
                  "use element.firstChild.remove() instead of " +
                  "element.removeChild(element.firstChild)")
    ]
  });
};