Removes manual establish_connection in interceptor

CHANGELOG.md

@@ -4,6 +4,7 @@ Changelog for the gruf gem. This includes internal history before the gem was ma
 
 * [#190] Remove unsued `e2mmap` and `thwait` gems from `runtime_dependency`.
 * [#194] Add interceptor to reload Rails app code accross requests
+* [#209] Removes manual `establish_connection` and active connection check for each request from `Gruf::Interceptors::ActiveRecord::ConnectionReset`.
 
 ### 2.19.0
 

lib/gruf/interceptors/active_record/connection_reset.rb

@@ -27,10 +27,6 @@ class ConnectionReset < ::Gruf::Interceptors::ServerInterceptor
         # connection pool, we need to ensure that this is done to properly
         #
         def call
-          if enabled?
-            target_classes.each { |klass| klass.establish_connection unless klass.connection.active? }
-          end
-
           yield
         ensure
           target_classes.each(&:clear_active_connections!) if enabled?

spec/gruf/interceptors/active_record/connection_reset_spec.rb

@@ -33,9 +33,7 @@
       end
 
       it 'tries to clear any active connections' do
-        expect(animals_record).to receive(:establish_connection).and_call_original
         expect(animals_record).to receive(:clear_active_connections!).and_call_original
-        expect(::ActiveRecord::Base).to receive(:establish_connection)
         expect(::ActiveRecord::Base).to receive(:clear_active_connections!)
         subject
       end
@@ -47,9 +45,7 @@
       end
 
       it 'does not try to clear any active connections' do
-        expect(::ActiveRecord::Base).not_to receive(:establish_connection)
         expect(::ActiveRecord::Base).not_to receive(:clear_active_connections!)
-        expect(animals_record).not_to receive(:establish_connection)
         expect(animals_record).not_to receive(:clear_active_connections!)
         subject
       end