React Native Automation Feasibility using Detox and Cavy | One Pager

React Native Automation Feasibility using Detox and Cavy: 

Mobile App Testing Interview Question: Mobile Application Testing Interview |Ministry of Testing Meetup |Testing Android & iOS Apps | Testing Native & Testing React Native

  

Detox – The most difficult part of automated testing on mobile is the tip of the testing pyramid - E2E. The core problem with E2E tests is flakiness - tests are usually not deterministic. We believe the only way to tackle flakiness head on is by moving from black box testing to gray box testing. 

  

Cavy – Similarly cavy is also specifically developed for React Native mobile automation, but the automation tool is not that mature and it depends on refs to perform tests. 

  

Tool	Detox	Cavy
Company	By Wix	By Pixielabs
Maturity Status	More Stable and Mature	Bit Buggy
What can be automated	Can be used to automate react Native, Native and Hybrid apps	Can be used to automated React Native App.For native apps we need to native JS hooks (Appium).
Grey,white or black box?	Gray Box not Black Box	White box
Fast	Uses Async Function i.e.no need to wait for the action to be performed till the element in not available.	Doesn’t uses async funtion
Under the hood	Uses Earlgrey and Expresso in the hood, therefore we can rely on ID, label and other matchers.	Depends on refs

  

 

Both the Detox and Cavy are open source but the detox community is highly active and they are adding new functionality every now and then.

 

Detox rather acts as an aggregator (or even a platform) for two Whitebox frameworks that are Earlgrey and (soon) Espresso. It provides higher level APIs in JavaScript that interact with the two libraries to make tests on both platforms by only writing them once.

 

 

Automation Detox supports:

• Full native iOS applications
• Full native Android applications (soon)
• Full React Native applications
• Hybrid Native / React Native applications

 

Detox APIs are based on three:

1.   Matchers like

             await element(by.id('img')).tap();

2.   Actions

   await element(by.text('For rent')).tap();

 

3.   Expectations

    await expect(element(by.text('For rent'))).toBeVisible();

 

POC link for Detox:https://github.com/saifsms91/DetoxAutomationPoc