Taking Away the Pain from Unit Testing in Google Apps Script

Unit testing is an extremely important practice. It helps developers avoid bugs easily and lets you know when something is broken immediately. … There are numerous libraries that exist for unit testing in JavaScript, including Jest and Mocha; however, they aren’t necessarily well-adapted to run under the Google Apps Script environment. … For that reason, I built my own library with Google Apps Script in mind.

We’ve featured a couple of community contributions around Google Apps Script Unit Testing and if this is a topic that interests you then the related posts section below will link to additional resources. This post from Dmitry Kostyuk is a great addition and the accompanying UnitTestingApp library that is shared in the post has some very useful Google Apps Script related features such as a dedicated method to check your data is a 2D array (particularly useful in the context of handling spreadsheet values). Follow the source link for more details…

Source: Taking Away the Pain from Unit Testing in Google Apps Script

Using Design Patterns in Google Apps Script – Introduction to façade and proxy patterns

A lot of users try and quickly learn GAS and use it to make their lives easier. It’s all great, however the code we sometimes tend to come across on StackOverflow and other sites lacks best practices, hence I thought it was time to start bringing them up and I will start today with design patterns.

As noted by the post author Dmitry Kostyuk the Google Apps Script V8 runtime opens up many new coding opportunities previously not available to Apps Script developers. Using the common use case, fetching data and writing it to a Google Sheet, Dmitry explains how the façade and proxy code patterns can be used to write efficient easy-to-read code.

Source: Using Design Patterns in Google Apps Script

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