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# frozen_string_literal: true
require 'spec_helper'
describe Banzai::Filter::InlineGrafanaMetricsFilter do
include FilterSpecHelper
let_it_be(:project) { create(:project) }
let_it_be(:grafana_integration) { create(:grafana_integration, project: project) }
let(:input) { %(<a href="#{url}">example</a>) }
let(:doc) { filter(input) }
let(:url) { grafana_integration.grafana_url + dashboard_path }
let(:dashboard_path) do
'/d/XDaNK6amz/gitlab-omnibus-redis' \
'?from=1570397739557&to=1570484139557' \
'&var-instance=All&panelId=14'
end
it 'appends a metrics charts placeholder with dashboard url after metrics links' do
node = doc.at_css('.js-render-metrics')
expect(node).to be_present
dashboard_url = urls.project_grafana_api_metrics_dashboard_url(
project,
embedded: true,
grafana_url: url,
start: "2019-10-06T21:35:39Z",
end: "2019-10-07T21:35:39Z"
)
expect(node.attribute('data-dashboard-url').to_s).to eq(dashboard_url)
end
context 'when the dashboard link is part of a paragraph' do
let(:paragraph) { %(This is an <a href="#{url}">example</a> of metrics.) }
let(:input) { %(<p>#{paragraph}</p>) }
it 'appends the charts placeholder after the enclosing paragraph' do
expect(unescape(doc.at_css('p').to_s)).to include(paragraph)
expect(doc.at_css('.js-render-metrics')).to be_present
end
end
context 'when grafana is not configured' do
before do
allow(project).to receive(:grafana_integration).and_return(nil)
end
it 'leaves the markdown unchanged' do
expect(unescape(doc.to_s)).to eq(input)
end
end
context 'when parameters are missing' do
let(:dashboard_path) { '/d/XDaNK6amz/gitlab-omnibus-redis' }
it 'leaves the markdown unchanged' do
expect(unescape(doc.to_s)).to eq(input)
end
end
private
# Nokogiri escapes the URLs, but we don't care about that
# distinction for the purposes of this filter
def unescape(html)
CGI.unescapeHTML(html)
end
end
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