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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Banzai::Filter::PlantumlFilter do
include FilterSpecHelper
shared_examples_for 'renders correct markdown' do
it 'replaces plantuml pre tag with img tag' do
stub_application_setting(plantuml_enabled: true, plantuml_url: "http://localhost:8080")
input = if Feature.enabled?(:use_cmark_renderer)
'<pre lang="plantuml"><code>Bob -> Sara : Hello</code></pre>'
else
'<pre><code lang="plantuml">Bob -> Sara : Hello</code></pre>'
end
output = '<div class="imageblock"><div class="content"><img class="plantuml" src="http://localhost:8080/png/U9npoazIqBLJ24uiIbImKl18pSd91m0rkGMq"></div></div>'
doc = filter(input)
expect(doc.to_s).to eq output
end
it 'does not replace plantuml pre tag with img tag if disabled' do
stub_application_setting(plantuml_enabled: false)
if Feature.enabled?(:use_cmark_renderer)
input = '<pre lang="plantuml"><code>Bob -> Sara : Hello</code></pre>'
output = '<pre lang="plantuml"><code>Bob -> Sara : Hello</code></pre>'
else
input = '<pre><code lang="plantuml">Bob -> Sara : Hello</code></pre>'
output = '<pre><code lang="plantuml">Bob -> Sara : Hello</code></pre>'
end
doc = filter(input)
expect(doc.to_s).to eq output
end
it 'does not replace plantuml pre tag with img tag if url is invalid' do
stub_application_setting(plantuml_enabled: true, plantuml_url: "invalid")
input = if Feature.enabled?(:use_cmark_renderer)
'<pre lang="plantuml"><code>Bob -> Sara : Hello</code></pre>'
else
'<pre><code lang="plantuml">Bob -> Sara : Hello</code></pre>'
end
output = '<div class="listingblock"><div class="content"><pre class="plantuml plantuml-error"> Error: cannot connect to PlantUML server at "invalid"</pre></div></div>'
doc = filter(input)
expect(doc.to_s).to eq output
end
end
context 'using ruby-based HTML renderer' do
before do
stub_feature_flags(use_cmark_renderer: false)
end
it_behaves_like 'renders correct markdown'
end
context 'using c-based HTML renderer' do
before do
stub_feature_flags(use_cmark_renderer: true)
end
it_behaves_like 'renders correct markdown'
end
end
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