spec/lib/banzai/filter/inline_observability_filter_spec.rb


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# frozen_string_literal: true

require 'spec_helper'

RSpec.describe Banzai::Filter::InlineObservabilityFilter do
  include FilterSpecHelper

  let(:input) { %(<a href="#{url}">example</a>) }
  let(:doc) { filter(input) }

  context 'when the document has an external link' do
    let(:url) { 'https://foo.com' }

    it 'leaves regular non-observability links unchanged' do
      expect(doc.to_s).to eq(input)
    end
  end

  context 'when the document contains an embeddable observability link' do
    let(:url) { 'https://observe.gitlab.com/12345' }

    it 'leaves the original link unchanged' do
      expect(doc.at_css('a').to_s).to eq(input)
    end

    it 'appends a observability charts placeholder' do
      node = doc.at_css('.js-render-observability')

      expect(node).to be_present
      expect(node.attribute('data-frame-url').to_s).to eq(url)
    end
  end
end