Joseph Jude

Consult . Code . Coach

Introduction To Sailsjs Testing


code . sailsjs . testing . nodejs

Sailsjs is a superb web-app framework for nodejs. It's easy to learn and comes with all required components for developing web-apps (except database migrations).

To learn Sailsjs, I scratched an itch I had and developed a self-hosted static blog engine (the code lives in Bitbucket).

In the beginning, there were not many features and so testing everything manually was okay. But as I added features, testing all possible scenarios became difficult. So I am starting with automated tests.

Sailsjs itself is tested using mocha. So I selected mocha for testing my app too. This post is an introductory post on starting with testing sails app, not a detailed guide. As I go along, I will post more details of the testing.

Starting with testing consists of the following steps:

  1. Install dependencies
  2. Change grunt tasks
  3. Execute grunt test to test

1. Installing Dependencies

We need to install mocha, grunt-mocha-test and assert. These are not required for production use, so install them as dev-dependencies.

npm install mocha --save-dev
npm install grunt-mocha-test --save-dev
npm install assert --save-dev

After installation, you should see the following in the package.json:

  "devDependencies": {
    "assert": "^1.1.2",
    "grunt-mocha-test": "^0.11.0",
    "mocha": "^1.21.4"
  }

2. Change grunt tasks

Under tasks/config, create a new file (test.js is fine) and copy, paste the following code:

/**
 * test.js
 */

module.exports = function(grunt) {
  grunt.config.set('mochaTest', {
    test : {
      options: {
        reporter: 'spec'
      },
      src: ['tests/**/*.spec.js']
    }
  });
  grunt.loadNpmTasks('grunt-mocha-test');
};

This means that tests should be appended with .spec.js.

Under tasks/register create a new file (again test.js is fine) and copy, paste the following code:

module.exports = function (grunt) {
     grunt.registerTask('test', [
          'mochaTest',
     ]);
};

3. Execute grunt test to test

Now you are ready to execute the test (remember, this is only an introductory guide, not a detailed one).

If you type grunt test, you will see the following results

Running "mochaTest:test" (mochaTest) task
No files to check...OK

Done, without errors.

The basic setup for testing an app is done. Detailed testing of models and controllers will follow.

References:


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Introduction To Sailsjs Testing by @jjude: https://t.co/INzFsiMOEd

— Joseph Jude (@jjude) October 9, 2016
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