summaryrefslogtreecommitdiffstats
path: root/tools/lint/eslint/eslint-plugin-mozilla/tests/mark-exported-symbols-as-used.js
blob: e738825fabd09a07317863eecb7edc29eb958215 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
/* Any copyright is dedicated to the Public Domain.
 * http://creativecommons.org/publicdomain/zero/1.0/ */

"use strict";

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

var rule = require("../lib/rules/mark-exported-symbols-as-used");
var RuleTester = require("eslint").RuleTester;

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

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

function invalidCode(code, type, messageId) {
  return { code, errors: [{ messageId, type }] };
}

ruleTester.run("mark-exported-symbols-as-used", rule, {
  valid: [
    "var EXPORTED_SYMBOLS = ['foo'];",
    "this.EXPORTED_SYMBOLS = ['foo'];",
  ],
  invalid: [
    invalidCode(
      "let EXPORTED_SYMBOLS = ['foo'];",
      "VariableDeclaration",
      "useLetForExported"
    ),
    invalidCode(
      "var EXPORTED_SYMBOLS = 'foo';",
      "VariableDeclaration",
      "nonArrayAssignedToImported"
    ),
    invalidCode(
      "this.EXPORTED_SYMBOLS = 'foo';",
      "AssignmentExpression",
      "nonArrayAssignedToImported"
    ),
  ],
});