feat: SLA CRUD APIs (EE) (#7027)

Fixes: https://linear.app/chatwoot/issue/CW-1613/sla-api

Co-authored-by: Sojan Jose <sojan@pepalo.com>

spec/enterprise/models/account_spec.rb

@@ -3,6 +3,24 @@
 require 'rails_helper'
 
 RSpec.describe Account do
+  include ActiveJob::TestHelper
+
+  describe 'sla_policies' do
+    let!(:account) { create(:account) }
+    let!(:sla_policy) { create(:sla_policy, account: account) }
+
+    it 'returns associated sla policies' do
+      expect(account.sla_policies).to eq([sla_policy])
+    end
+
+    it 'deletes associated sla policies' do
+      perform_enqueued_jobs do
+        account.destroy!
+      end
+      expect { sla_policy.reload }.to raise_error(ActiveRecord::RecordNotFound)
+    end
+  end
+
   describe 'usage_limits' do
     before do
       create(:installation_config, name: 'ACCOUNT_AGENTS_LIMIT', value: 20)

spec/enterprise/models/sla_policy_spec.rb

@@ -0,0 +1,22 @@
+require 'rails_helper'
+
+RSpec.describe SlaPolicy, type: :model do
+  include ActiveJob::TestHelper
+  let(:account) { create(:account) }
+  let(:admin) { create(:user, account: account, role: :administrator) }
+
+  describe 'validations' do
+    it { is_expected.to validate_presence_of(:name) }
+  end
+
+  describe 'associations' do
+    it { is_expected.to belong_to(:account) }
+  end
+
+  describe 'validates_factory' do
+    it 'creates valid sla policy object' do
+      sla_policy = create(:sla_policy)
+      expect(sla_policy.name).to eq 'sla_1'
+    end
+  end
+end