1 files changed, 25 insertions, 0 deletions
diff --git a/spec/services/wiki_pages/create_service_spec.rb b/spec/services/wiki_pages/create_service_spec.rb
index 84510dcf700..ef03a2e9788 100644
--- a/spec/services/wiki_pages/create_service_spec.rb
+++ b/spec/services/wiki_pages/create_service_spec.rb
@@ -14,6 +14,10 @@ describe WikiPages::CreateService do
     }
   end
 
+  let(:bad_opts) do
+    { title: '' }
+  end
+
   subject(:service) { described_class.new(project, user, opts) }
 
   before do
@@ -36,5 +40,26 @@ describe WikiPages::CreateService do
 
       service.execute
     end
+
+    it 'counts wiki page creation' do
+      counter = Gitlab::UsageDataCounters::WikiPageCounter
+
+      expect { service.execute }.to change { counter.read(:create) }.by 1
+    end
+
+    context 'when the options are bad' do
+      subject(:service) { described_class.new(project, user, bad_opts) }
+
+      it 'does not count a creation event' do
+        counter = Gitlab::UsageDataCounters::WikiPageCounter
+
+        expect { service.execute }.not_to change { counter.read(:create) }
+      end
+
+      it 'reports the error' do
+        expect(service.execute).to be_invalid
+          .and have_attributes(errors: be_present)
+      end
+    end
   end
 end