49 lines
1.5 KiB
Ruby
49 lines
1.5 KiB
Ruby
# frozen_string_literal: true
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# Expects 2 attributes to be defined:
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# trigger_url - Url expected to trigger the insertion of a placeholder.
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# dashboard_url - Url expected to be present in the placeholder.
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RSpec.shared_examples 'a metrics embed filter' do
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let(:input) { %(<a href="#{url}">example</a>) }
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let(:doc) { filter(input) }
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context 'when the document has an external link' do
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let(:url) { 'https://foo.com' }
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it 'leaves regular non-metrics links unchanged' do
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expect(doc.to_s).to eq(input)
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end
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end
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context 'when the document contains an embeddable link' do
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let(:url) { trigger_url }
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it 'leaves the original link unchanged' do
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expect(unescape(doc.at_css('a').to_s)).to eq(input)
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end
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it 'appends a metrics charts placeholder' do
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node = doc.at_css('.js-render-metrics')
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expect(node).to be_present
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expect(node.attribute('data-dashboard-url').to_s).to eq(dashboard_url)
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end
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context 'in a paragraph' do
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let(:paragraph) { %(This is an <a href="#{url}">example</a> of metrics.) }
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let(:input) { %(<p>#{paragraph}</p>) }
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it 'appends a metrics charts placeholder after the enclosing paragraph' do
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expect(unescape(doc.at_css('p').to_s)).to include(paragraph)
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expect(doc.at_css('.js-render-metrics')).to be_present
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end
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end
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end
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# Nokogiri escapes the URLs, but we don't care about that
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# distinction for the purposes of these filters
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def unescape(html)
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CGI.unescapeHTML(html)
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end
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end
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