backstop.json.twig

{
  "id": "{{ backstop.id }}",
  "viewports": [
{% set i = 0 %}
{% for label,viewport in backstop.viewports %}
  {% if i > 0 %},{% endif %}{
    "label": "{{ label }}",
    "width": {{ viewport.width }},
    "height": {{ viewport.width }}
  }
{% set i = i + 1 %}
{% endfor %}
  ],
  "scenarios": [
{% set i = 0 %}
{% for label,path in backstop.scenarios %}
  {% if i > 0 %},{% endif %}{
    "label": "{{ label }}"
    ,"url": "{{ projectprotocol }}://{{ projectdomain }}{{ projectport }}{{ scenario.path }}"
{% if scenario.selectors %}
    ,"selectors": ["{{ scenario.selectors|join('","') }}"]
{% endif %}
{% if scenario.hideSelectors %}
    ,"hideSelectors": ["{{ scenario.hideSelectors|join('","') }}"]
{% endif %}
{% if scenario.removeSelectors %}
    ,"removeSelectors": ["{{ scenario.removeSelectors|join('","') }}"]
{% endif %}
  }
{% set i = i + 1 %}
{% endfor %}
  ],
  "paths": {
    "bitmaps_reference": "backstop_data/bitmaps_reference",
    "bitmaps_test": "backstop_data/bitmaps_test",
    "html_report": "backstop_data/html_report",
    "ci_report": "backstop_data/ci_report"
  },
  "report": ["browser"],
  "engine": "puppeteer",
  "engineOptions": {
    "args": ["--no-sandbox"]
  },
  "asyncCaptureLimit": 1,
  "asyncCompareLimit": 50,
  "debug": false,
  "debugWindow": false
}