Learn to easily eliminate painful manual debugging, start trusting your JavaScript code “just works” and turn even the frustrating projects into fun ones

All JavaScript developers want to write amazing bug-free code, which is masterfully crafted and follows the best practices. But it’s always easier said than done – even if you want to do it, real projects have limitations and someone always wants you to do something else.

In one project, we had a bug that was over a year old and still not fixed. In another project, we lost customer data due to a bug. And this is just TWO examples – I’m sure you have dealt with way more bugs than just two!

Many developers just accept bugs as something we have to deal with. Even though fixing them is not fun or interesting. It’s tedious work that takes a lot of time. Wouldn’t you rather be building a cool new feature? I sure would. Sometimes I would even rather be in a boring meeting!

Dealing with bad, buggy code just sucks the soul out of you sometimes. You keep staring blankly at the screen and sigh, trying to find the motivation to do something, but your mind keeps drifting off. Why do I have to deal with this again? Couldn’t I just once have a project where this didn’t happen? I promised myself it was going to be different this time!

Yet, the code still breaks in interesting and fun ways whenever you change it.

What would it look like if you had a better project? A project where bugs would not be such a big deal. Where you could take a bug and be done with fixing it in less than an hour?

  • What if bugs took mere minutes to fix, instead of hours of hair pulling?
  • Imagine you got perfect, detailed bug reports, instead of vague “it doesn’t work” nonsense
  • What if you only had to test a piece of code once, and didn’t have to do it countless times because things break randomly?
  • And what if things didn’t break randomly? Imagine simply KNOWING your code works
  • What if instead of repeatedly typing scripts into Chrome or Node.js console to test your code, you could automate it for no extra effort?

If you had all this, you could take a project that’s a pain in the ass and turn it into a fun and enjoyable one!

What would a dream project look like?

Imagine you’ve got the perfect project. How would you do things?

You’d plan things out. Not too much though – we want to spend time coding, not planning. But we’d plan just enough to have a good idea of what we want to do, what tools we want to use and how we want to get there.

Every time you write code, you’d do so carefully. Make sure all the functions are nice and tidy, doing just one thing and one thing well. Make sure everything is named in an easy to understand way, with enough comments too – just to be sure next time we look at it, we know what’s going on.

Whenever you fix an issue or add a new feature, you’d have plenty of time to figure it out. Nobody breathing down your neck to “get it done as fast as you can and fix it later”. Because everyone knows that “fix it later” is never going to happen… but since this is a perfect project, we can actually do things the right way the first time around!

The project is going to be so clean people quote it on Twitter and Hacker News as an example of what you can achieve when you don’t have a deadline looming over your head!

Sadly, in the real world things aren’t so nice. I wish I had enough time for once to do things the right way. But no matter how well you start a project, it’s either someone else who gets their hands on it, or the inevitable lack of time that prevents you from writing something like that.

Is the perfect project just a fantasy?

What if I told you it isn’t just a fantasy? That you really could achieve something similar to that — even if you have a boss who blanks out when you try asking about more time to improve the quality of the code. Even if you have tight deadlines. Even if you’re the only person in the project who cares.

In the 15 years I’ve worked in software development, I’ve seen a lot. I’ve worked in projects where I was the only developer. I’ve worked in teams of 2. Teams of 5. Even in a project where we had 10 developers working on the same fairly small application.

One thing I’ve found in common in all of these types of situations is that it seems you never have enough time to do a proper job.

You always have bugs. You always need to add new features. There’s always a deadline. And even in the rare situation when you had time to do a nice job, someone else breaks your beautifully crafted code. Whoops.

Despite this, I never gave up looking for a solution. In every project, I’d try again. I’d try to improve where I had previously failed. I’d try new ways to organize and document code. New ways to ensure the project wouldn’t get derailed.

So did I find a solution? Or do you have to wait and hope to join a fabled team of ninja rockstar JavaScript developers, where every one of them can write the most amazing code you’ve ever seen with their eyes closed and both hands tied behind their backs?

I never had such a team. What I had was smart developers, probably just like you.

And I’ve found that any developer can write great code, if they learn the right techniques to help them do so in a consistent, systematic fashion!

Writing great code is not a sprint. You don’t just do it for a short time and then finish and declare the project done. No. Writing great code is a marathon.

If that sounds like a crazy amount of work – don’t worry, it isn’t! You’re already spending a lot of time on dealing with the side-effects of bad code… frustration, worry, stress… what if you could simply redirect a small amount of that effort into building a system to help you finish your marathon with zero sweat? Take away all the annoyance, and instead focus it constructively?

Unit Testing to the rescue!

Let me ask you this:

How many times have you added console.log statements into your code to figure out what it’s doing? Or how about typing commands into the browser or node console, to find out something else? How often do you have to change your code a little bit, to output a couple of values to help you debug your code?

I bet that happens all the time.

This is a part of the problem, and unit tests are going to solve this for you (and more!)

Instead of randomly adding logging or other test code… you put that effort into writing actual tests.

Test by test, you start accumulating more. You start building a fully automated code verification machine!

And not only will this machine help you catch bugs… it’ll also help you write better code, and ensure your code remains that way!

What’s the biggest problem of trying to keep your code clean in the long run? Changes. You always have to change it in some way. As a result, it starts to accumulate all these little hacks here and there.

What happens when you try to fix that? Something usually breaks. Even worse, you don’t even always know when that happens! You might delete some piece of code only to find out a month later, when nobody remembers what happened.

Over time, people tend to forget why something was there in the first place. Many times I’ve ran into pieces of code I don’t understand. I have no idea why it’s there, it looks like there’s no reason. But I’m too afraid about breaking something to delete it.

As a result of the code accumulating all that crap and the fear of breaking things, you stop tidying up your code.

That’s the death blow to the project. You’ll just keep growing more and more tired of dealing with it because every time it becomes worse.

But unit tests save you from this mess!

When you start adding automatic tests, suddenly you have an easy way to verify if your code works. You won’t have to wait a month – infact, all it often takes to run automatic tests is under 10 seconds. Write code. Run tests. Boom.

You no longer have to worry about breaking things. You can clean up any mess you see, you can debug faster, you can build that perfect project…

I tried solving the problem with more code. Design patterns, MVC, the best libraries. But that only delayed it. It only occurred to me much later that the problem can be solved by changing my coding process.

Unit tests are the missing piece in the puzzle which help you organize your coding process, and helping to solving all the maintainability problems. But the problem is… it can be difficult to learn to write them.

I’ve spent a long time working in projects both with and without tests. And I’ve found every single time when a project didn’t have tests that I wish it did.

That’s why I want to help you get closer to being able to work on perfect projects, and to learn the art of unit testing!

Introducing Mastering JavaScript Unit Testing

If you want to stop spending so much time doing manual and repetitive testing work, or if you want to be certain your code works no matter how many changes you do, Mastering JavaScript Unit Testing is for you.

I’ve spent more than 15 years developing web applications. During this time I’ve collected a lot of practical experience in testing software.

I’ve collected all the testing knowledge from that experience into this course, to teach you everything you need to know about unit testing JavaScript code, and how you can eliminate manual testing from your work.

I use the techniques and methods shown in the course daily in my work. I’ve also had some of my testing related articles published on sites like SitePoint and AirPair, and some of my work has been featured on TechCrunch.

My goal for 2016 is becoming more confident with using JavaScript, taking your course was a big step in the right direction for me and it got me really motivated to learn more and more so thanks a lot!Tom Bessems, student and backend developer

What’s included

  • Connector.

    How to get started?

    Learn the best tools and how to use them, even if you’ve never done any testing before.

  • Connector.

    Understand unit testing in-depth

    Learn the principles of testing and more advanced topics, without forgetting the when, how and why. This is the key point in being able to apply this to your own projects with ease!

  • Connector.

    How to structure your tests

    Learn to set up your tests so they are easy to understand and maintain, even in huge projects – Never wonder “Where to put this file?” again!

  • Connector.

    Using Test-Driven Development

    Learn the easy way to write tests first and code later, which allows you to write bug-free code more easily

  • Connector.

    How to test virtually any kind of code

    I’ll show you a simple process using so-called spies, stubs and mocks which you can use to test virtually any kind of code you come across. You can use it to test Ajax, databases, networking – anything!

  • Connector.

    Spies, stubs and mocks in-depth

    When, why and how to best make use of spies, stubs and mocks in your tests – with realistic examples

  • Connector.

    Testing in the browser and testing in Node.js

    You’ll get the full picture. How to test browser-based JavaScript, and how to test Node.js code. At the same time with one press of a button.

  • Connector.

    Making browser testing easy

    You’ll learn how to solve the problems in browser testing: How to run tests across any number of browsers (including Internet Explorer, if you really want to) and how you can share your tested code between front-end and back-end.

  • Connector.

    How to apply the techniques into your own projects

    The course has exercises and realistic examples, which help you master the techniques shown, so you’ll be able to use it in your own projects regardless of what they do.

  • Connector.

    Best practices

    We’ll discuss the best practices to writing tests, so you won’t have to figure them out yourself and can hit the ground running

  • Connector.

    How to eliminate repeating bugs?

    How many times have you had to fix a bug, only for it to reappear later? I’ll show you a process that can be used to make sure you only have to fix a bug once.

  • Connector.

    How to write good tests

    Writing tests that are easy to understand, easy to maintain, and most of all, quick and easy to write, so writing tests becomes effortless

  • Connector.

    Integrating testing into your workflow

    What use are tests if you forget to run them, or if someone else breaks them? The course includes downloadable scripts you can use to integrate testing into your project to make sure this doesn’t happen.

  • Connector.

    Code Coverage: How much of your code is tested?

    You’ll learn how to use tools that tell you if you have enough tests, and if any of your code has no test coverage at all!

  • Connector.

    What to do when tests break?

    Concrete examples and techniques you can use to quickly find out why your tests are failing, and then fix them

Testimonials from students

I’ve learned new things on spies, stubs, mocks and tools like Sinon, Chai, Testem. I even made my own small test runner while I played with Chai.js – That was fun and interesting.Dmitri Ischenko, Full-stack web developer
I really am enjoying how you’re talking about tests and the exercise assignments. I can’t wait to finish the course. I feel like after not even completing the first set of lessons testing has finally clicked for me.Jeff Richardson, Front End Engineer
I went through your course and I really liked it! It was the best course I’ve seen on testing in JS, especially with sinon and I thought the examples you used with the file system was really good so that you can see the difference between a spy and a stub for example.Magnus L.

Get access to Mastering JavaScript Unit Testing

The course is split into 17 videos, with over 5 hours of content with several exercises. Also included are several ready to use scripts and configurations you can use to integrate testing with Git, Grunt, and other tools.

With purchase, you’ll get lifetime access to all the videos and all updates to the course.

You also get my no questions asked 30 day 100% money back guarantee. If the course doesn’t make you better at unit testing, I want you to have your money back.

You’ve read my free content. My goal is to always teach things in an easy to understand and practical way. I want you to really learn JavaScript unit testing so that you can keep doing it in any project. This is a skill that you’ll continue to get benefits from for years!

If the course doesn’t teach you that, if you truly did not become better at unit testing… then you can simply email me, and I’ll refund you – no questions asked.

Join the course, go through all the material, and if after completing it you haven’t become better at unit testing, just email me and I’ll refund you.

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All the questions I asked about testing beforehand have been answered in detail by you. The knowledge of JavaScript testing is something I desire and I believe that this course is the best way for me to obtain it.
This is my chosen career and I pride myself in performing it to the best of my ability. That’s easy to say, but more difficult to demonstrate. I’m excited at the possibility to learn a skill that truly differentiates me from others in the profession. Anthony F.

Frequently Asked Questions

  • How does the course work? After payment, you’ll be able to create an account for the member’s area. The course itself is split into four modules, each with its own videos, with over 5 hours of content in total. The videos include both theory and practical coding examples, and they are recorded in 1080p quality. You’ll get lifetime access to the videos, and you’ll also receive all content updates for free.
  • Can’t I just Google this? Sure, you could do that, but how long will it take? I’m sure you could have done that by now, but have you? I’ve spent years learning to write unit tests efficiently, and I’ve learned from many mistakes along the way. If you buy the course, you’ll get instant access to all that knowledge and you won’t have to wonder if you missed something – it’s all packaged together for you.
  • How much JavaScript experience do I need? If you can use JavaScript either in the browser or in node.js to build apps, then you know enough. You don’t need to be a JavaScript ninja to make use of this material. The course might help you become one though!
  • I’ve done some unit testing already. Will I get anything out of this? Yes. I’ve included many best practices, practical examples, and more advanced topics in the course that should provide value for you.
  • What if I have some questions during the course? You can email me at jani@codeutopia.net at any time. I answer all student questions personally and I’ll use your feedback to make sure the course is great.
  • How do I know this works? Many students have finished this material already, and I use all of this daily in my work, as do many other developers. Because of the positive feedback from all the students who have gone through the course, I know this material is good. But, if for some reason you don’t love the course, just email me within 30 days of purchase and I’ll refund you – there is no risk in trying this material.
  • I don’t use Node.js, will this still be useful? Yes. All of the techniques can be applied to browser-based JS too and many of the examples are for browser code. In fact, you can even apply the techniques to different languages too, like Ruby, PHP, or anything else.
  • I only use Node.js, will this still be useful? See above.
  • I use AngularJS/Backbone/Ember/React/insert library, will this be useful to me? Yes. The material is not limited to any specific library/framework, and you can apply it to any kind of project whatsoever. Many students use React, Ember and Backbone to just name a few, and I personally have used these exact techniques with Angular, Node.js and even some Internet Explorer 8 compatible “plain JS” projects.
  • I don’t have time for this right now. No problem, you can take the course at your own pace and you’ll have lifetime access to the material.
  • Can I share this with my team? The purchase gives you personal access to the material. If you’d like to make a bigger purchase for your team, send me a mail to jani@codeutopia.net

Get instant access and start Mastering JavaScript Unit Testing today

You’ve seen the struggle with bugs and code quality.

It’s difficult to keep up.

Now is your chance to learn something that’ll help you with all of this and more. This isn’t just some fad, like the popular library of the day – no, unit testing has been around for a long time, and it’s a fundamental skill you can learn and continue getting benefits from for the rest of your career.

What if you could eliminate manual debugging from your work?

What if you could start writing even better code?

You don’t have to be a guru to do that. Unit tests give structure to what you do, and act as a guide towards building better software.

Isn’t it time to take your JavaScript skills to the next level, and start getting the benefits of a skill you can apply for years to come?

Remember – you get my 30 day money back guarantee. You can try all of the material in the course, and if it doesn’t help you become a better unit tester, simply email me and I’ll refund you.

Click here to buy now for $97 USD >>

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