@spotify/eslint-plugin/esm/rules/best-practices/no-discouraged-words.test.js

Set of rules for Spotify's custom ESLint rules

import rule from './no-discouraged-words';
import { createRuleTester } from '../../util/testHelpers';
const defaultErrorMessageWithWord = (word) => `Usage of the word "${word}" is strongly discouraged. Please use a different word.`;
createRuleTester().run('best-practices/no-discouraged-words', rule, {
    valid: [
        {
            code: 'var foo = () => {};',
        },
        {
            code: 'var foo: String = () => {};',
        },
        {
            code: 'var foo: String = () => ({} as ExampleObject);',
        },
        {
            code: 'var black_list = "";',
        },
        {
            code: 'var foo = "blacklist";',
        },
        {
            code: "/* Hello world. I'm using no discouraged words. */",
        },
    ],
    invalid: [
        {
            code: 'var whitelist = "";',
            errors: [defaultErrorMessageWithWord('whitelist')],
        },
        {
            code: 'var blacklist = "";',
            errors: [defaultErrorMessageWithWord('blacklist')],
        },
        {
            code: 'var foo = blacklist => "";',
            errors: [defaultErrorMessageWithWord('blacklist')],
        },
        {
            code: 'var foo = _blacklist => "";',
            errors: [defaultErrorMessageWithWord('blacklist')],
        },
        {
            code: 'var foo = (bar: Blacklist) => "";',
            errors: [defaultErrorMessageWithWord('blacklist')],
        },
        {
            code: 'var foo = bar => "" as Blacklist;',
            errors: [defaultErrorMessageWithWord('blacklist')],
        },
        {
            code: 'var bLacKLisT = "";',
            errors: [defaultErrorMessageWithWord('blacklist')],
        },
        {
            code: 'var _blacklist = "";',
            errors: [defaultErrorMessageWithWord('blacklist')],
        },
        {
            code: 'var wordsWithBlacklistAndAfter = "";',
            errors: [defaultErrorMessageWithWord('blacklist')],
        },
        {
            code: 'var { blacklist } = {};',
            errors: [
                defaultErrorMessageWithWord('blacklist'),
                defaultErrorMessageWithWord('blacklist'),
            ],
        },
        {
            code: 'var blacklist = {}; console.log(blacklist);',
            errors: [
                defaultErrorMessageWithWord('blacklist'),
                defaultErrorMessageWithWord('blacklist'),
            ],
        },
        {
            code: 'var { blacklist: name } = {};',
            errors: [defaultErrorMessageWithWord('blacklist')],
        },
        {
            code: 'var { name: blacklist } = {};',
            errors: [defaultErrorMessageWithWord('blacklist')],
        },
        {
            code: 'var foo: Blacklist = "";',
            errors: [defaultErrorMessageWithWord('blacklist')],
        },
        {
            code: 'var foo = "" as Blacklist;',
            errors: [defaultErrorMessageWithWord('blacklist')],
        },
        {
            code: 'var foo = "" as Example.Blacklist;',
            errors: [defaultErrorMessageWithWord('blacklist')],
        },
        {
            code: 'var foo = "" as Blacklist.Example;',
            errors: [defaultErrorMessageWithWord('blacklist')],
        },
        {
            code: 'var foo = ""; // blacklist',
            errors: [defaultErrorMessageWithWord('blacklist')],
        },
        {
            code: 'enum Blacklist {}',
            errors: [defaultErrorMessageWithWord('blacklist')],
        },
        {
            code: 'class Blacklist {}',
            errors: [defaultErrorMessageWithWord('blacklist')],
        },
        {
            code: 'type Blacklist = {}',
            errors: [defaultErrorMessageWithWord('blacklist')],
        },
        {
            code: "/* Hello world. I'm using the discouraged word blacklist. */",
            errors: [defaultErrorMessageWithWord('blacklist')],
        },
    ],
});
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