BackViz is a testing framework for information visualizations. It based on visual regression testing technique and provides a high-level description through Gherkin to write the tests.
In order to run your scenarios you need to install BackstopJS and Cucumber.
# Clone this repository
git clone https://github.com/nychi713/BackViz.git
#Go into the repository
cd BackViz
#Instal Backstop and Cucumber
npm install --save-dev cucumber backstopjs
#Get reference. From /node_modules/backstopjs/
npm run reference
#Run the features that you define
./node_modules/.bin/cucumber.js features/ -r steps/;