Catch all URI errors in ExternalLinkFilterdm-catch-uri-errors

1 files changed, 7 insertions, 0 deletions

diff --git a/spec/lib/banzai/filter/external_link_filter_spec.rb b/spec/lib/banzai/filter/external_link_filter_spec.rb
index 6f6c215be87..0f8ec8de7a0 100644
--- a/spec/lib/banzai/filter/external_link_filter_spec.rb
+++ b/spec/lib/banzai/filter/external_link_filter_spec.rb
@@ -55,6 +55,13 @@ describe Banzai::Filter::ExternalLinkFilter, lib: true do
 
       expect(doc.to_html).to eq(expected)
     end
+
+    it 'skips improperly formatted mailtos' do
+      doc = filter %q(<p><a href="mailto://jblogs@example.com">Email</a></p>)
+      expected = %q(<p><a href="mailto://jblogs@example.com">Email</a></p>)
+
+      expect(doc.to_html).to eq(expected)
+    end
   end
 
   context 'for links with a username' do