test: add tests for eslint rules

This adds tests for the custom eslint rules in this repository, using
the `RuleTester` test utility bundled with eslint.

PR-URL: https://github.com/nodejs/node/pull/16138
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Yuta Hiroto <hello@about-hiroppy.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
This commit is contained in:
Teddy Katz 2017-10-11 01:42:47 -04:00
parent 34c47ed486
commit cd5ee52d70
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11 changed files with 319 additions and 0 deletions

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@ -0,0 +1,26 @@
'use strict';
require('../common');
const RuleTester = require('../../tools/eslint').RuleTester;
const rule = require('../../tools/eslint-rules/alphabetize-errors');
new RuleTester().run('alphabetize-errors', rule, {
valid: [
`
E('AAA', 'foo');
E('BBB', 'bar');
E('CCC', 'baz');
`
],
invalid: [
{
code: `
E('BBB', 'bar');
E('AAA', 'foo');
E('CCC', 'baz');
`,
errors: [{ message: 'Out of ASCIIbetical order - BBB >= AAA', line: 3 }]
}
]
});