1 files changed, 8 insertions, 0 deletions
diff --git a/spec/lib/link_details_extractor_spec.rb b/spec/lib/link_details_extractor_spec.rb
index 84bb4579c..7ea867c61 100644
--- a/spec/lib/link_details_extractor_spec.rb
+++ b/spec/lib/link_details_extractor_spec.rb
@@ -25,6 +25,14 @@ RSpec.describe LinkDetailsExtractor do
         expect(subject.canonical_url).to eq 'https://foo.com/article'
       end
     end
+
+    context 'when canonical URL is set to "null"' do
+      let(:html) { '<!doctype html><link rel="canonical" href="null" />' }
+
+      it 'ignores the canonical URLs' do
+        expect(subject.canonical_url).to eq original_url
+      end
+    end
   end
 
   context 'when structured data is present' do