eslint-plugin-jquery/tests/no-trim.js

'use strict';

const rule = require('../rules/no-trim')
const RuleTester = require('eslint').RuleTester

const error = '$.trim is not allowed'

const ruleTester = new RuleTester()
ruleTester.run('no-trim', rule, {
  valid: [
    'trim()',
    '"test".trim()',
  ],
  invalid: [
    {
      code: '$.trim()',
      errors: [{message: error, type: 'CallExpression'}]
    }
  ]
})