Do not process build success if project was removed

app/workers/build_success_worker.rb

@@ -4,13 +4,15 @@ class BuildSuccessWorker
   def perform(build_id)
     Ci::Build.find_by(id: build_id).try do |build|
-      perform_deloyment(build)
+      return unless build.project
+
+      create_deloyment(build)
     end
   end
   private
-  def perform_deloyment(build)
+  def create_deloyment(build)
     return if build.environment.blank?
     service = CreateDeploymentService.new(

spec/workers/build_success_worker_spec.rb

@@ -13,6 +13,17 @@ describe BuildSuccessWorker do
           described_class.new.perform(build.id)
         end
       end
+
+      context 'when build is not associated with project' do
+        let!(:build) { create(:ci_build, project: nil) }
+
+        it 'does not create deployment' do
+          expect_any_instance_of(CreateDeploymentService)
+            .not_to receive(:execute)
+
+          described_class.new.perform(build.id)
+        end
+      end
     end
     context 'when build does not exist' do