migration so claim#reference cannot be NULL

db/migrate/20241015121145_add_not_null_reference.rb

@@ -0,0 +1,5 @@
+class AddNotNullReference < ActiveRecord::Migration[7.0]
+  def change
+    change_column_null :claims, :reference, false
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.0].define(version: 2024_09_24_113642) do
+ActiveRecord::Schema[7.0].define(version: 2024_10_15_121145) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "citext"
   enable_extension "pg_trgm"
@@ -56,7 +56,7 @@
     t.string "bank_sort_code", limit: 6
     t.string "bank_account_number", limit: 8
     t.datetime "submitted_at", precision: nil
-    t.string "reference", limit: 8
+    t.string "reference", limit: 8, null: false
     t.boolean "has_student_loan"
     t.integer "student_loan_country"
     t.integer "student_loan_courses"

spec/factories/claims.rb

@@ -5,6 +5,7 @@
 
   factory :claim do
     started_at { Time.zone.now }
+    reference { Reference.new.to_s }
 
     transient do
       policy { Policies::StudentLoans }

spec/forms/journeys/additional_payments_for_teaching/nqt_in_academic_year_after_itt_form_spec.rb

@@ -133,7 +133,7 @@
                 logged_in_with_tid: true
               }.merge(
                 attributes_for(:claim, :with_dqt_teacher_status)
-                .except(:started_at)
+                .except(:started_at, :reference)
               )
             end