feat: Sentiment Analysis (#7475)

spec/enterprise/models/conversation_spec.rb

@@ -4,4 +4,34 @@ RSpec.describe Conversation, type: :model do
   describe 'associations' do
     it { is_expected.to belong_to(:sla_policy).optional }
   end
+
+  describe 'conversation sentiments' do
+    include ActiveJob::TestHelper
+
+    let(:conversation) { create(:conversation, additional_attributes: { referer: 'https://www.chatwoot.com/' }) }
+
+    before do
+      10.times do
+        message = create(:message, conversation_id: conversation.id, account_id: conversation.account_id, message_type: 'incoming')
+        message.update(sentiment: { 'label': 'positive', score: '0.4' })
+      end
+    end
+
+    it 'returns opening sentiments' do
+      sentiments = conversation.opening_sentiments
+      expect(sentiments[:label]).to eq('positive')
+    end
+
+    it 'returns closing sentiments if conversation is not resolved' do
+      sentiments = conversation.closing_sentiments
+      expect(sentiments).to be_nil
+    end
+
+    it 'returns closing sentiments if it is resolved' do
+      conversation.resolved!
+
+      sentiments = conversation.closing_sentiments
+      expect(sentiments[:label]).to eq('positive')
+    end
+  end
 end