Feature: Slack integration (#783)

- Integrations architecture
- Slack integration

spec/controllers/api/v1/accounts/integrations/apps_controller_spec.rb

@@ -0,0 +1,53 @@
+require 'rails_helper'
+
+RSpec.describe 'Integration Apps API', type: :request do
+  let(:account) { create(:account) }
+
+  describe 'GET /api/v1/integrations/apps' do
+    context 'when it is an unauthenticated user' do
+      it 'returns unauthorized' do
+        get api_v1_account_integrations_apps_url(account)
+        expect(response).to have_http_status(:unauthorized)
+      end
+    end
+
+    context 'when it is an authenticated user' do
+      let(:agent) { create(:user, account: account, role: :agent) }
+
+      it 'returns all the apps' do
+        get api_v1_account_integrations_apps_url(account),
+            headers: agent.create_new_auth_token,
+            as: :json
+
+        expect(response).to have_http_status(:success)
+        app = JSON.parse(response.body).first
+        expect(app['id']).to eql('cw_slack')
+        expect(app['name']).to eql('Slack')
+      end
+    end
+  end
+
+  describe 'GET /api/v1/integrations/apps/:id' do
+    context 'when it is an unauthenticated user' do
+      it 'returns unauthorized' do
+        get api_v1_account_integrations_app_url(account_id: account.id, id: 'cw_slack')
+        expect(response).to have_http_status(:unauthorized)
+      end
+    end
+
+    context 'when it is an authenticated user' do
+      let(:agent) { create(:user, account: account, role: :agent) }
+
+      it 'returns details of the app' do
+        get api_v1_account_integrations_app_url(account_id: account.id, id: 'cw_slack'),
+            headers: agent.create_new_auth_token,
+            as: :json
+
+        expect(response).to have_http_status(:success)
+        app = JSON.parse(response.body)
+        expect(app['id']).to eql('cw_slack')
+        expect(app['name']).to eql('Slack')
+      end
+    end
+  end
+end