Prevent push_package event if Composer package creation fails

lib/api/composer_packages.rb

@@ -137,12 +137,12 @@ module API
             bad_request!
           end
 
-          track_package_event('push_package', :composer, project: authorized_user_project, user: current_user, namespace: authorized_user_project.namespace)
-
           ::Packages::Composer::CreatePackageService
             .new(authorized_user_project, current_user, declared_params.merge(build: current_authenticated_job))
             .execute
 
+          track_package_event('push_package', :composer, project: authorized_user_project, user: current_user, namespace: authorized_user_project.namespace)
+
           created!
         end
 

spec/support/shared_examples/requests/api/composer_packages_shared_examples.rb

@@ -85,7 +85,18 @@ RSpec.shared_examples 'Composer package creation' do |user_type, status, add_mem
 
       expect(response).to have_gitlab_http_status(status)
     end
+
     it_behaves_like 'a package tracking event', described_class.name, 'push_package'
+
+    context 'when package creation fails' do
+      before do
+        allow_next_instance_of(::Packages::Composer::CreatePackageService) do |create_package_service|
+          allow(create_package_service).to receive(:execute).and_raise(StandardError)
+        end
+      end
+
+      it_behaves_like 'not a package tracking event'
+    end
   end
 end