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tubestation/tools/lint/eslint/eslint-plugin-mozilla/tests/no-define-cc-etc.js

53 lines
1.8 KiB
JavaScript

/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
// ------------------------------------------------------------------------------
// Requirements
// ------------------------------------------------------------------------------
var rule = require("../lib/rules/no-define-cc-etc");
var RuleTester = require("eslint/lib/testers/rule-tester");
const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6 } });
// ------------------------------------------------------------------------------
// Tests
// ------------------------------------------------------------------------------
function invalidCode(code, varNames) {
if (!Array.isArray(varNames)) {
varNames = [varNames];
}
return {
code, errors: varNames.map(name => [{
message: `${name} is now defined in global scope, a separate definition is no longer necessary.`,
type: "VariableDeclarator"
}])
};
}
ruleTester.run("no-define-cc-etc", rule, {
valid: [
"var Cm = Components.manager;",
"const CC = Components.Constructor;",
"var {Constructor: CC, manager: Cm} = Components;",
"const {Constructor: CC, manager: Cm} = Components;",
"foo.Cc.test();"
],
invalid: [
invalidCode("var Cc;", "Cc"),
invalidCode("let Cc;", "Cc"),
invalidCode("let Ci;", "Ci"),
invalidCode("let Cr;", "Cr"),
invalidCode("let Cu;", "Cu"),
invalidCode("var Cc = Components.classes;", "Cc"),
invalidCode("const {classes: Cc} = Components;", "Cc"),
invalidCode("let {classes: Cc, manager: Cm} = Components", "Cc"),
invalidCode("const Cu = Components.utils;", "Cu"),
invalidCode("var Ci = Components.interfaces, Cc = Components.classes;", ["Ci", "Cc"]),
invalidCode("var {'interfaces': Ci, 'classes': Cc} = Components;", ["Ci", "Cc"])
]
});