eslint/tests/lib/rules/no-new-symbol.js

   1 /**
   2  * @fileoverview Tests for the no-new-symbol rule
   3  * @author Alberto Rodríguez
   4  */
   5
   6 "use strict";
   7
   8 //------------------------------------------------------------------------------
   9 // Requirements
  10 //------------------------------------------------------------------------------
  11
  12 const rule = require("../../../lib/rules/no-new-symbol"),
  13     { RuleTester } = require("../../../lib/rule-tester");
  14
  15 //------------------------------------------------------------------------------
  16 // Tests
  17 //------------------------------------------------------------------------------
  18
  19 const ruleTester = new RuleTester({ env: { es6: true } });
  20
  21 ruleTester.run("no-new-symbol", rule, {
  22     valid: [
  23         "var foo = Symbol('foo');",
  24         "function bar(Symbol) { var baz = new Symbol('baz');}",
  25         "function Symbol() {} new Symbol();"
  26     ],
  27     invalid: [
  28         {
  29             code: "var foo = new Symbol('foo');",
  30             errors: [{ messageId: "noNewSymbol" }]
  31         },
  32         {
  33             code: "function bar() { return function Symbol() {}; } var baz = new Symbol('baz');",
  34             errors: [{ messageId: "noNewSymbol" }]
  35         }
  36     ]
  37 });