Fix return type of DastSiteProfile#status

This was returning a symbol when it should have been returning a String.

ee/app/models/dast_site_validation.rb

 # frozen_string_literal: true
 
 class DastSiteValidation < ApplicationRecord
-  HEADER = 'Gitlab-On-Demand-DAST'.freeze
+  HEADER = 'Gitlab-On-Demand-DAST'
 
   belongs_to :dast_site_token
   has_many :dast_sites
@@ -27,9 +27,9 @@ class DastSiteValidation < ApplicationRecord
     "#{url_base}/#{url_path}"
   end
 
-  INITIAL_STATE = :pending
+  INITIAL_STATE = 'pending'
 
-  state_machine :state, initial: INITIAL_STATE do
+  state_machine :state, initial: INITIAL_STATE.to_sym do
     event :start do
       transition pending: :inprogress
     end

ee/app/services/dast_site_tokens/create_service.rb

@@ -44,7 +44,7 @@ module DastSiteTokens
     end
 
     def calculate_status(dast_site_validation)
-      dast_site_validation&.state || DastSiteValidation::INITIAL_STATE.to_s
+      dast_site_validation&.state || DastSiteValidation::INITIAL_STATE
     end
   end
 end

ee/changelogs/unreleased/fix-dast-site-profile-method-return-type-273078.yml

+---
+title: Fix return type of DastSiteProfile#status
+merge_request: 46180
+author:
+type: fixed

ee/spec/models/dast_site_profile_spec.rb

@@ -79,7 +79,7 @@ RSpec.describe DastSiteProfile, type: :model do
 
         aggregate_failures do
           expect(subject.dast_site_validation).to be_nil
-          expect(subject.status).to eq(:pending)
+          expect(subject.status).to eq('pending')
         end
       end
     end

ee/spec/requests/api/graphql/project/dast_site_profile_spec.rb

@@ -98,5 +98,13 @@ RSpec.describe 'Query.project(fullPath).dastSiteProfile' do
         expect(dast_site_profile_response).to be_nil
       end
     end
+
+    context 'when there is no associated dast_site_validation' do
+      it 'returns a pending validation status' do
+        dast_site_profile.dast_site_validation.destroy!
+
+        expect(dast_site_profile_response['validationStatus']).to eq('PENDING_VALIDATION')
+      end
+    end
   end
 end