REF: connection init for every request

lib/betfair_api_ng_rails.rb

@@ -182,13 +182,4 @@ module BetfairApiNgRails
     @_config ||= BetfairApiNgRails::Api::Config
     block_given? ? yield(@_config) : @_config
   end
-
-  def self.connection
-    raise BetfairApiNgRails::NoConnectionError unless @connection
-    @connection
-  end
-
-  def self.connection=(value)
-    @connection = value
-  end
 end

lib/betfair_api_ng_rails/api/request_methods/all.rb

@@ -14,7 +14,7 @@ module BetfairApiNgRails
         private
 
         def run_request(method, params, account_name = '')
-          BetfairApiNgRails.connection.request build_request_type(method), params#, account_name
+          BetfairApiNgRails::Api::Connection.new.request build_request_type(method), params#, account_name
         end
 
         def build_request_type(name)

lib/betfair_api_ng_rails/railtie.rb

 module BetfairApiNgRails
   class Railtie < Rails::Railtie
     config.after_initialize do
-      BetfairApiNgRails.connection = BetfairApiNgRails::Api::Connection.new
       BetfairApiNgRails.log        = BetfairApiNgRails::Api::Logs::FileLogger.new Rails.root, Rails.env
       BetfairApiNgRails.account_manager         = BetfairApiNgRails::AccountManager.instance
       BetfairApiNgRails.account_session_manager = BetfairApiNgRails::AccountSessionManager.instance

spec/betfair_api_ng_rails/api/request_methods_spec.rb

@@ -45,12 +45,10 @@ describe BetfairApiNgRails::Api::RequestMethods do
       let(:params) { {key1: 'value'} }
       let(:connection) { double(:connection) }
 
-      before(:each) { BetfairApiNgRails.connection = connection }
-
       after(:each) { TestModule.send(:run_request, 'some_method', params) }
 
       it "calls request method with proper params" do
-        expect(connection).to receive(:request).with('someMethod', params)
+        expect_any_instance_of(BetfairApiNgRails::Api::Connection).to receive(:request).with('someMethod', params)
       end
     end
   end

spec/support/shared_examples/request_method.rb

 shared_examples 'request method' do
   let(:ssoid)              { 'vnboeirubvyebvuekrybobvuiberlvbre' }
-  let(:connection)         { BetfairApiNgRails::Api::Connection.new }
   let(:http_response)      { double(:http_response, code: '200', body: result_hash) }
   let(:result)             { BetfairApiNgRails::Api::Http::Responser.new(http_response) }
   let(:filter)             { BetfairApiNgRails::MarketFilter.new }
@@ -10,7 +9,6 @@ shared_examples 'request method' do
     allow(api_http_requester).to receive(:do_request).and_return result
     expect(BetfairApiNgRails::Api::SessionManager).to receive(:new_ssoid).and_return ssoid
     expect(BetfairApiNgRails::Api::Http::Factory).to receive(:provider_requester).and_return api_http_requester
-    BetfairApiNgRails.connection = connection
   end
 
   subject { TestModule.send(method_name, parameters) }