@jungvonmatt/visual-test
v1.1.2
Published
Automated visual regression testing
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JvM Visual Regression Tester
Automates visual regression testing of our projects by comparing DOM screenshots over time.
Convinience wrapper around BackstopJS
.
Getting started
Install
npm i @jungvonmatt/visual-test
Usage
Initialize project
visual-test reference
Run tests
visual-test test
Approve tests
visual-test approve
You can optionally add query parameters to the requests with the --query
argument
visual-test test --query 'optimize-css=1&debug=true'
You can specify a custom config directory using the --config-dir
option
visual-test test --config-dir ~/.my-visualtest-directory
Or just call with the url to the sitemap
visual-test test https://www.jvm.com/sitemap.xml
Add projects
To add a projects you need to place a config file in one of the following locations:
- In a custom path specified by
--config-dir
- In the current working directory
Name: project
.visualtest.config.js
Configuration
Config values
| Key | Description | | ------------ | ------------------------------------------------------------- | | name | Project name | | environments | Environment config. See below. | | urls | Array with urls or async function returning the urls to test. |
Environment Config values
| Key | Description | | ------- | --------------------------------- | | name | Environment name | | host | Hostname | | user | RFC2617 basic authorization: user | | | | pass | RFC2617 basic authorization: pass | | base | Base directory on host | | sitemap | Path to sitemap |
Examples
Minimal example
module.exports = {
environments: [
{
name: 'Production',
host: 'https://www.example.com',
sitemap: '/sitemap.xml',
},
],
};
Static urls
module.exports = {
environments: [
{
name: 'Production',
host: 'https://www.example.com',
},
],
urls: ['index.html', 'imprint.html'],
};
With urls function
module.exports = {
environments: [
{
name: 'PREVIEW (EN)',
host: 'http://preview.example.com',
base: '/en',
user: '',
pass: '',
sitemap: '/en/sitemap.xml',
},
{
name: 'PROD',
host: 'https://www.example.com',
sitemap: '/sitemap.xml',
},
],
urls: async (environment) => {
// The urls from the sitemap are available here
const { urls } = environment || {};
return urls.filter((url) => /regex/.test(url));
},
};
Can I contribute?
Of course. We appreciate all of our contributors and welcome contributions to improve the project further. If you're uncertain whether an addition should be made, feel free to open up an issue and we can discuss it.
License
MIT