Enrich Your Automation With Visual Assertions
This talk is about a ruby gem I wrote for adding visual assertion with selenium as driver.
While we continuously implement new functionalities in our app, automated functional tests acts as safety net and gives us confidence. Still, there is something missing. Many times we get feedback like:
"Sign-In button has shifted and user have to scroll down to see it"
"We wanted to change background color of screen-X, it got changed for Screen-Y screen as well"
"Why has fonts of this link become so tiny?”
I am working on customer facing enterprise level Mobile apps of one of the biggest airline in the world. For us user experience is as important as functionality.
Our regression suit did not have capability to catch such issues. Moreover, we started building another airline app from the same codebase with only change in user interface of this new app. This means, change done for one app, affects another. Hence, it became really critical to enhance our automation with visual assertions.
To accomplish this, I worte my own gem called 'nakal'.http://rubygems.org/
This is going to be a Talk + Demonstration
Outline/Structure of the Talk
1) What is automated visual regression and why is it important. Some cases in which it is the only way
2) Why did it matter A LOT for us. A specific challenge we had in our Mobile test automation project and why functional automation could not suffice.
3) Idea of 'nakal' ruby gem.
4) A 10 min live Demo of visual verification on a sample app.
5) How I built it so easily! And how can you build similar tool for your preferred language and ecosystem.
6) Quick walkthrough and insights of some of the features like:
a) No new tests! Existing tests can do the job
b) Android and iOS support
c) Masking an area which has dynamic values
d) Implicit wait till matching is done
e) Threshold for comparision
f) Cucumber support
Learning Outcome
Why and when to go for automated visual regression. How to MakeYourOwn tool if you do not find anything suitable already existing
Target Audience
Test automation enthusiasts
Links
rubygems.org/gems/nakal
https://github.com/rajdeepv/nakal
rajdeepv.github.io/automation/testing/2015/07/05/automated-visual-regression-of-mobile-apps-using-nakal.html
schedule Submitted 7 years ago
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