Add has_many association on School

Author: PetarSimonovic

app/models/school.rb

@@ -6,6 +6,7 @@ class School < ApplicationRecord
   has_many :projects, dependent: :nullify
   has_many :roles, dependent: :nullify
   has_many :school_projects, dependent: :nullify
+  has_many :school_email_domains, dependent: :destroy
 
   VALID_URL_REGEX = %r{\A(?:https?://)?(?:www.)?[a-z0-9]+([-.]{1}[a-z0-9]+)*\.[a-z]{2,63}(\.[a-z]{2,63})*(/.*)?\z}ix
 

spec/models/school_spec.rb

@@ -35,6 +35,12 @@
       expect(school.roles.size).to eq(2)
     end
 
+    it 'has many school email domains' do
+      SchoolEmailDomain.create!(school:, domain: 'example.edu')
+      SchoolEmailDomain.create!(school:, domain: 'other.edu')
+      expect(school.school_email_domains.size).to eq(2)
+    end
+
     context 'when a school is destroyed' do
       let!(:school_class) { create(:school_class, school:, teacher_ids: [teacher.id]) }
       let!(:lesson_1) { create(:lesson, user_id: teacher.id, school_class:) }
@@ -88,6 +94,11 @@
         school.destroy!
         expect(role.reload.school_id).to be_nil
       end
+
+      it 'also destroys school email domains' do
+        SchoolEmailDomain.create!(school:, domain: 'example.edu')
+        expect { school.destroy! }.to change(SchoolEmailDomain, :count).by(-1)
+      end
     end
   end