1 files changed, 61 insertions, 0 deletions
diff --git a/spec/models/route_spec.rb b/spec/models/route_spec.rb
index 8a3b1034f3c..88f54fd10e5 100644
--- a/spec/models/route_spec.rb
+++ b/spec/models/route_spec.rb
@@ -79,6 +79,13 @@ describe Route do
   end
 
   describe 'callbacks' do
+    context 'before validation' do
+      it 'calls #delete_conflicting_orphaned_routes' do
+        expect(route).to receive(:delete_conflicting_orphaned_routes)
+        route.valid?
+      end
+    end
+
     context 'after update' do
       it 'calls #create_redirect_for_old_path' do
         expect(route).to receive(:create_redirect_for_old_path)
@@ -378,4 +385,58 @@ describe Route do
       end
     end
   end
+
+  describe '#delete_conflicting_orphaned_routes' do
+    context 'when there is a conflicting route' do
+      let!(:conflicting_group) { create(:group, path: 'foo') }
+
+      before do
+        route.path = conflicting_group.route.path
+      end
+
+      context 'when the route is orphaned' do
+        let!(:offending_route) { conflicting_group.route }
+
+        before do
+          Group.delete(conflicting_group) # Orphan the route
+        end
+
+        it 'deletes the orphaned route' do
+          expect do
+            route.valid?
+          end.to change { described_class.count }.from(2).to(1)
+        end
+
+        it 'passes validation, as usual' do
+          expect(route.valid?).to be_truthy
+        end
+      end
+
+      context 'when the route is not orphaned' do
+        it 'does not delete the conflicting route' do
+          expect do
+            route.valid?
+          end.not_to change { described_class.count }
+        end
+
+        it 'fails validation, as usual' do
+          expect(route.valid?).to be_falsey
+        end
+      end
+    end
+
+    context 'when there are no conflicting routes' do
+      it 'does not delete any routes' do
+        route
+
+        expect do
+          route.valid?
+        end.not_to change { described_class.count }
+      end
+
+      it 'passes validation, as usual' do
+        expect(route.valid?).to be_truthy
+      end
+    end
+  end
 end