/* 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");
var RuleTester = require("eslint/lib/testers/rule-tester");

const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6 } });

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

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

ruleTester.run("avoid-removeChild", 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)")
  ]
});
