There are other very popular surveys like the StackOverflow developer survey, which draws on over 100,000 respondents. Jetbrain’s State of Developer Ecosystem Report is also pretty comprehensive, with over 6,000 respondents.
In the last 12 months, the retention rate has increased drastically from 39% to 61%. This is a recurrent growth rate, as it also increased from 2017 to 2018.
Also the percentage of people interested in Jest has reduced. The number is now at 22%, down from 29%. Most of them are now return users as shown by the retention insights.
It is very flexible and open to a lot of extensions. Mocha has been used by over 900,000 projects, according to GitHub data.
According to the survey insights, the retention rate has grown from 39% to 42% in the last 12 months. About 8% of respondents have not heard about Mocha, and there is an awareness gap which Mocha is constantly filling, because last year the percentage was 10.
Storybook is a development environment for UI components.
It allows you to browse a component library, view the different states of each component, and interactively develop and test components. It has been starred about 44,000 times on GitHub and has a massive userbase.
The retention rate of using Storybook doubled from 15% to 32% in 12 months, and the interest level also rose from 23% to 26% in the same timeframe.
Storybook was not even on developers’ radar last year, but there has been massive growth in 2019 and heading into 2020. It will be an interesting year.
It is being used by over 25,000 projects, according to GitHub data.
The retention rate is 23%, and the interest rate is 28% for Cypress. There is an awareness gap, which Cypress is working to fill.
Enzyme’s API is meant to be intuitive and flexible by mimicking jQuery’s API for DOM manipulation and traversal.
The retention rate grew from 20% to 23% in the last 12 months. There is also a bridge of awareness gap all the way from 46% to 38%.
Ava is a test runner for Node.js with a concise API, detailed error output, embrace of new language features, and process isolation that lets you write tests more effectively.
With Ava, you can ship more awesome code. It is currently being used by 47,000 projects, according to GitHub data.
According to survey insights, the retention rate slightly increased in the past 12 months. However, there is a growing gap in awareness, which Jasmine can try to bridge in 2020.
Puppeteer, built by the team at Google, is a Node library that provides a high-level API to control Chrome or Chromium over the DevTools Protocol.
Puppeteer runs headless by default, but it can be configured to run full (non-headless) Chrome or Chromium. It’s also fast, since it’s native.
The survey insights show a retention rate of 24.3% for Puppeteer, and an interest rate of 24%. There is a need for more awareness for the product, although it is already being used by over 55,000 projects.
It seems there is a kind of even distribution of developers-to-testing-tools, although Jest seems to be leading the market with over 96% of its users being return users.
What testing framework do you use? Tell me down in the comments section.
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