Render milestone links as references

1 files changed, 73 insertions, 0 deletions

diff --git a/spec/lib/banzai/filter/milestone_reference_filter_spec.rb b/spec/lib/banzai/filter/milestone_reference_filter_spec.rb
new file mode 100644
index 00000000000..c53e780d354
--- /dev/null
+++ b/spec/lib/banzai/filter/milestone_reference_filter_spec.rb
@@ -0,0 +1,73 @@
+require 'spec_helper'
+
+describe Banzai::Filter::MilestoneReferenceFilter, lib: true do
+  include FilterSpecHelper
+
+  let(:project) { create(:project, :public) }
+  let(:milestone)   { create(:milestone, project: project) }
+
+  it 'requires project context' do
+    expect { described_class.call('') }.to raise_error(ArgumentError, /:project/)
+  end
+
+  %w(pre code a style).each do |elem|
+    it "ignores valid references contained inside '#{elem}' element" do
+      exp = act = "<#{elem}>milestone #{milestone.to_reference}</#{elem}>"
+      expect(reference_filter(act).to_html).to eq exp
+    end
+  end
+
+  context 'internal reference' do
+    let(:reference) { milestone.to_reference }
+
+    it 'links to a valid reference' do
+      doc = reference_filter("See #{reference}")
+
+      expect(doc.css('a').first.attr('href')).to eq urls.
+        namespace_project_milestone_url(project.namespace, project, milestone)
+    end
+
+    it 'links with adjacent text' do
+      doc = reference_filter("milestone (#{reference}.)")
+      expect(doc.to_html).to match(/\(<a.+><i.+><\/i> #{Regexp.escape(milestone.title)}<\/a>\.\)/)
+    end
+
+    it 'includes a title attribute' do
+      doc = reference_filter("milestone #{reference}")
+      expect(doc.css('a').first.attr('title')).to eq "Milestone: #{milestone.title}"
+    end
+
+    it 'escapes the title attribute' do
+      milestone.update_attribute(:title, %{"></a>whatever<a title="})
+
+      doc = reference_filter("milestone #{reference}")
+      expect(doc.text).to eq "milestone  #{milestone.title}"
+    end
+
+    it 'includes default classes' do
+      doc = reference_filter("milestone #{reference}")
+      expect(doc.css('a').first.attr('class')).to eq 'gfm gfm-milestone'
+    end
+
+    it 'includes a data-project attribute' do
+      doc = reference_filter("milestone #{reference}")
+      link = doc.css('a').first
+
+      expect(link).to have_attribute('data-project')
+      expect(link.attr('data-project')).to eq project.id.to_s
+    end
+
+    it 'includes a data-milestone attribute' do
+      doc = reference_filter("See #{reference}")
+      link = doc.css('a').first
+
+      expect(link).to have_attribute('data-milestone')
+      expect(link.attr('data-milestone')).to eq milestone.id.to_s
+    end
+
+    it 'adds to the results hash' do
+      result = reference_pipeline_result("milestone #{reference}")
+      expect(result[:references][:milestone]).to eq [milestone]
+    end
+  end
+end