Restructure omni services and add Chatwoot research snapshot

research/chatwoot/spec/enterprise/services/companies/business_email_detector_service_spec.rb

@@ -0,0 +1,99 @@
+require 'rails_helper'
+
+RSpec.describe Companies::BusinessEmailDetectorService, type: :service do
+  let(:service) { described_class.new(email) }
+
+  describe '#perform' do
+    context 'when email is from a business domain' do
+      let(:email) { 'user@acme.com' }
+      let(:valid_email_address) { instance_double(ValidEmail2::Address, valid?: true, disposable_domain?: false) }
+
+      before do
+        allow(ValidEmail2::Address).to receive(:new).with(email).and_return(valid_email_address)
+        allow(EmailProviderInfo).to receive(:call).with(email).and_return(nil)
+      end
+
+      it 'returns true' do
+        expect(service.perform).to be(true)
+      end
+    end
+
+    context 'when email is from gmail' do
+      let(:email) { 'user@gmail.com' }
+      let(:valid_email_address) { instance_double(ValidEmail2::Address, valid?: true, disposable_domain?: false) }
+
+      before do
+        allow(ValidEmail2::Address).to receive(:new).with(email).and_return(valid_email_address)
+        allow(EmailProviderInfo).to receive(:call).with(email).and_return('gmail')
+      end
+
+      it 'returns false' do
+        expect(service.perform).to be(false)
+      end
+    end
+
+    context 'when email is from Brazilian free provider' do
+      let(:email) { 'user@uol.com.br' }
+      let(:valid_email_address) { instance_double(ValidEmail2::Address, valid?: true, disposable_domain?: false) }
+
+      before do
+        allow(ValidEmail2::Address).to receive(:new).with(email).and_return(valid_email_address)
+        allow(EmailProviderInfo).to receive(:call).with(email).and_return('uol')
+      end
+
+      it 'returns false' do
+        expect(service.perform).to be(false)
+      end
+    end
+
+    context 'when email is disposable' do
+      let(:email) { 'user@mailinator.com' }
+      let(:disposable_email_address) { instance_double(ValidEmail2::Address, valid?: true, disposable_domain?: true) }
+
+      it 'returns false' do
+        allow(ValidEmail2::Address).to receive(:new).with(email).and_return(disposable_email_address)
+        expect(service.perform).to be(false)
+      end
+    end
+
+    context 'when email is invalid format' do
+      let(:email) { 'invalid-email' }
+      let(:invalid_email_address) { instance_double(ValidEmail2::Address, valid?: false) }
+
+      it 'returns false' do
+        allow(ValidEmail2::Address).to receive(:new).with(email).and_return(invalid_email_address)
+        expect(service.perform).to be(false)
+      end
+    end
+
+    context 'when email is nil' do
+      let(:email) { nil }
+
+      it 'remains false' do
+        expect(service.perform).to be(false)
+      end
+    end
+
+    context 'when email is empty string' do
+      let(:email) { '' }
+
+      it 'returns false' do
+        expect(service.perform).to be(false)
+      end
+    end
+
+    context 'when email domain is uppercase' do
+      let(:email) { 'user@GMAIL.COM' }
+      let(:valid_email_address) { instance_double(ValidEmail2::Address, valid?: true, disposable_domain?: false) }
+
+      before do
+        allow(ValidEmail2::Address).to receive(:new).with(email).and_return(valid_email_address)
+        allow(EmailProviderInfo).to receive(:call).with(email).and_return('gmail')
+      end
+
+      it 'returns false (case insensitive)' do
+        expect(service.perform).to be(false)
+      end
+    end
+  end
+end