eslint-plugin-ember/tests/lib/rules/no-observers.js

Eslint plugin for Ember.js apps

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

const rule = require('../../../lib/rules/no-observers');
const RuleTester = require('eslint').RuleTester;

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

const eslintTester = new RuleTester();
eslintTester.run('no-observers', rule, {
  valid: [
    {
      code: 'export default Controller.extend();',
      parserOptions: { ecmaVersion: 6, sourceType: 'module' },
    },
    {
      code: 'export default Controller.extend({actions: {},});',
      parserOptions: { ecmaVersion: 6, sourceType: 'module' },
    },
  ],
  invalid: [
    {
      code: 'Ember.observer("text", function() {});',
      parserOptions: { ecmaVersion: 6, sourceType: 'module' },
      errors: [{
        message: 'Don\'t use observers if possible',
      }],
    },
  ],
});