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# frozen_string_literal: true
require 'spec_helper'
describe Banzai::Filter::InlineMetricsFilter 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-metrics links unchanged' do
expect(doc.to_s).to eq(input)
end
end
context 'when the document has a metrics dashboard link' do
let(:params) { ['foo', 'bar', 12] }
let(:url) { urls.metrics_namespace_project_environment_url(*params) }
it 'leaves the original link unchanged' do
expect(doc.at_css('a').to_s).to eq(input)
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.metrics_dashboard_namespace_project_environment_url(*params, embedded: true)
expect(node.attribute('data-dashboard-url').to_s).to eq(dashboard_url)
end
context 'when the metrics 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(doc.at_css('p').to_s).to include(paragraph)
expect(doc.at_css('.js-render-metrics')).to be_present
end
end
context 'with dashboard params specified' do
let(:params) do
[
'foo',
'bar',
12,
{
embedded: true,
dashboard: 'config/prometheus/common_metrics.yml',
group: 'System metrics (Kubernetes)',
title: 'Core Usage (Pod Average)',
y_label: 'Cores per Pod'
}
]
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.metrics_dashboard_namespace_project_environment_url(*params)
expect(node.attribute('data-dashboard-url').to_s).to eq(dashboard_url)
end
end
end
end
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