Restructure omni services and add Chatwoot research snapshot

research/chatwoot/spec/lib/redis/config_spec.rb

@@ -0,0 +1,102 @@
+require 'rails_helper'
+
+describe Redis::Config do
+  context 'when single redis instance is used' do
+    let(:redis_url) { 'redis://my-redis-instance:6379' }
+    let(:redis_pasword) { 'some-strong-password' }
+
+    before do
+      described_class.instance_variable_set(:@config, nil)
+      with_modified_env REDIS_URL: redis_url, REDIS_PASSWORD: redis_pasword, REDIS_SENTINELS: '', REDIS_SENTINEL_MASTER_NAME: '' do
+        described_class.config
+      end
+    end
+
+    it 'checks for app redis config' do
+      app_config = described_class.app
+      expect(app_config.keys).to contain_exactly(:url, :password, :timeout, :reconnect_attempts, :ssl_params)
+      expect(app_config[:url]).to eq(redis_url)
+      expect(app_config[:password]).to eq(redis_pasword)
+    end
+  end
+
+  context 'when redis sentinel is used' do
+    let(:redis_url) { 'redis://my-redis-instance:6379' }
+    let(:redis_sentinels) { 'sentinel_1:1234, sentinel_2:4321, sentinel_3' }
+    let(:redis_master_name) { 'master-name' }
+    let(:redis_pasword) { 'some-strong-password' }
+
+    let(:expected_sentinels) do
+      [
+        { host: 'sentinel_1', port: '1234', password: 'some-strong-password' },
+        { host: 'sentinel_2', port: '4321', password: 'some-strong-password' },
+        { host: 'sentinel_3', port: '26379', password: 'some-strong-password' }
+      ]
+    end
+
+    before do
+      described_class.instance_variable_set(:@config, nil)
+      with_modified_env REDIS_URL: redis_url, REDIS_PASSWORD: redis_pasword, REDIS_SENTINELS: redis_sentinels,
+                        REDIS_SENTINEL_MASTER_NAME: redis_master_name do
+        described_class.config
+      end
+    end
+
+    after do
+      # ensuring the redis config is unset and won't affect other tests
+      described_class.instance_variable_set(:@config, nil)
+    end
+
+    it 'checks for app redis config' do
+      expect(described_class.app.keys).to contain_exactly(:url, :password, :sentinels, :timeout, :reconnect_attempts, :ssl_params)
+      expect(described_class.app[:url]).to eq("redis://#{redis_master_name}")
+      expect(described_class.app[:sentinels]).to match_array(expected_sentinels)
+    end
+
+    context 'when redis sentinel is used with REDIS_SENTINEL_PASSWORD empty string' do
+      let(:redis_sentinel_password) { '' }
+
+      before do
+        described_class.instance_variable_set(:@config, nil)
+        with_modified_env REDIS_URL: redis_url, REDIS_PASSWORD: redis_pasword, REDIS_SENTINELS: redis_sentinels,
+                          REDIS_SENTINEL_MASTER_NAME: redis_master_name, REDIS_SENTINEL_PASSWORD: redis_sentinel_password do
+          described_class.config
+        end
+      end
+
+      after do
+        # ensuring the redis config is unset and won't affect other tests
+        described_class.instance_variable_set(:@config, nil)
+      end
+
+      it 'checks for app redis config and sentinel passwords will be empty' do
+        expect(described_class.app.keys).to contain_exactly(:url, :password, :sentinels, :timeout, :reconnect_attempts, :ssl_params)
+        expect(described_class.app[:url]).to eq("redis://#{redis_master_name}")
+        expect(described_class.app[:sentinels]).to match_array(expected_sentinels.map { |s| s.except(:password) })
+      end
+    end
+
+    context 'when redis sentinel is used with REDIS_SENTINEL_PASSWORD' do
+      let(:redis_sentinel_password) { 'sentinel_password' }
+
+      before do
+        described_class.instance_variable_set(:@config, nil)
+        with_modified_env REDIS_URL: redis_url, REDIS_PASSWORD: redis_pasword, REDIS_SENTINELS: redis_sentinels,
+                          REDIS_SENTINEL_MASTER_NAME: redis_master_name, REDIS_SENTINEL_PASSWORD: redis_sentinel_password do
+          described_class.config
+        end
+      end
+
+      after do
+        # ensuring the redis config is unset and won't affect other tests
+        described_class.instance_variable_set(:@config, nil)
+      end
+
+      it 'checks for app redis config and redis password is replaced in sentinel config' do
+        expect(described_class.app.keys).to contain_exactly(:url, :password, :sentinels, :timeout, :reconnect_attempts, :ssl_params)
+        expect(described_class.app[:url]).to eq("redis://#{redis_master_name}")
+        expect(described_class.app[:sentinels]).to match_array(expected_sentinels.map { |s| s.merge(password: redis_sentinel_password) })
+      end
+    end
+  end
+end