Testing an application is a complicated process similar to development. It should validate the application against the possible bugs and errors and should check whether the code produces the targeted results properly. Different types of testing methodologies need to be carried out while developing an application from unit testing to integration testing. Testing the very basic unit of your code can be carried out using unit testing frameworks. Let's check how this works in common for JavaScript applications. Testing a JavaScript function with unit testing frameworks is very simple. For example, let's test a simple JavaScript function using the popular JavaScript testing framework, Mocha.
Mocha is a very popular testing framework. It has a number of good features and browser support that need an entire book to be explained. So, let's just look into a simple example with Mocha that is enough to get an idea. To read more about Mocha, visit https://mochajs.org...