Strip + reference format from HTML links

so that the links are valid

Changelog: fixed

ee/spec/lib/banzai/filter/references/epic_reference_filter_spec.rb

@@ -21,6 +21,7 @@ RSpec.describe Banzai::Filter::References::EpicReferenceFilter do
 
   context 'internal reference' do
     let(:reference) { "&#{epic.iid}" }
+    let(:epic_url) { urls.group_epic_url(group, epic) }
 
     it 'links to a valid reference' do
       expect(doc.css('a').first.attr('href')).to eq(urls.group_epic_url(group, epic))
@@ -66,17 +67,19 @@ RSpec.describe Banzai::Filter::References::EpicReferenceFilter do
     end
 
     it 'includes a data-reference-format attribute' do
-      link = doc("&#{epic.iid}+").css('a').first
+      link = doc("#{reference}+").css('a').first
 
       expect(link).to have_attribute('data-reference-format')
       expect(link.attr('data-reference-format')).to eq('+')
+      expect(link.attr('href')).to eq(epic_url)
     end
 
     it 'includes a data-reference-format attribute for URL references' do
-      link = doc("#{urls.group_epic_url(group, epic)}+").css('a').first
+      link = doc("#{epic_url}+").css('a').first
 
       expect(link).to have_attribute('data-reference-format')
       expect(link.attr('data-reference-format')).to eq('+')
+      expect(link.attr('href')).to eq(epic_url)
     end
 
     it 'ignores invalid epic IIDs' do

lib/banzai/filter/references/abstract_reference_filter.rb

@@ -216,6 +216,8 @@ module Banzai
                   url_for_object_cached(object, parent)
                 end
 
+              url.chomp!(matches[:format]) if matches.names.include?("format")
+
               content = link_content || object_link_text(object, matches)
 
               link = %(<a href="#{url}" #{data}

spec/lib/banzai/filter/references/issue_reference_filter_spec.rb

@@ -122,6 +122,7 @@ RSpec.describe Banzai::Filter::References::IssueReferenceFilter do
 
       expect(link).to have_attribute('data-reference-format')
       expect(link.attr('data-reference-format')).to eq('+')
+      expect(link.attr('href')).to eq(issue_url)
     end
 
     it 'includes a data-reference-format attribute for URL references' do
@@ -130,6 +131,7 @@ RSpec.describe Banzai::Filter::References::IssueReferenceFilter do
 
       expect(link).to have_attribute('data-reference-format')
       expect(link.attr('data-reference-format')).to eq('+')
+      expect(link.attr('href')).to eq(issue_url)
     end
 
     it 'supports an :only_path context' do

spec/lib/banzai/filter/references/merge_request_reference_filter_spec.rb

@@ -51,6 +51,7 @@ RSpec.describe Banzai::Filter::References::MergeRequestReferenceFilter do
 
   context 'internal reference' do
     let(:reference) { merge.to_reference }
+    let(:merge_request_url) { urls.project_merge_request_url(project, merge) }
 
     it 'links to a valid reference' do
       doc = reference_filter("See #{reference}")
@@ -115,14 +116,16 @@ RSpec.describe Banzai::Filter::References::MergeRequestReferenceFilter do
 
       expect(link).to have_attribute('data-reference-format')
       expect(link.attr('data-reference-format')).to eq('+')
+      expect(link.attr('href')).to eq(merge_request_url)
     end
 
     it 'includes a data-reference-format attribute for URL references' do
-      doc = reference_filter("Merge #{urls.project_merge_request_url(project, merge)}+")
+      doc = reference_filter("Merge #{merge_request_url}+")
       link = doc.css('a').first
 
       expect(link).to have_attribute('data-reference-format')
       expect(link.attr('data-reference-format')).to eq('+')
+      expect(link.attr('href')).to eq(merge_request_url)
     end
 
     it 'supports an :only_path context' do