Technical/Update gem development dependencies

* Refactored gem codebase
* Updated gem development dependencies
* Updated CircleCI config
* Updated codeclimate config

.circleci/config.yml

@@ -8,7 +8,7 @@ defaults: &defaults
     - image: cimg/ruby:<< parameters.ruby-version >>
 
 orbs:
-  ruby: circleci/ruby@2.0.0
+  ruby: circleci/ruby@2.1.0
 
 references:
   bundle_install: &bundle_install

.circleci/gemspecs/latest

@@ -28,9 +28,9 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'rake', '~> 13.0', '>= 13.0.6'
   spec.add_development_dependency 'reek', '~> 6.1', '>= 6.1.4'
   spec.add_development_dependency 'rspec', '~> 3.12'
-  spec.add_development_dependency 'rubocop', '~> 1.54', '>= 1.54.2'
-  spec.add_development_dependency 'rubocop-performance', '~> 1.18'
-  spec.add_development_dependency 'rubocop-rspec', '~> 2.22'
+  spec.add_development_dependency 'rubocop', '~> 1.56'
+  spec.add_development_dependency 'rubocop-performance', '~> 1.19'
+  spec.add_development_dependency 'rubocop-rspec', '~> 2.23', '>= 2.23.2'
   spec.add_development_dependency 'simplecov', '~> 0.22.0'
   spec.add_development_dependency 'smtp_mock', '~> 1.3', '>= 1.3.4'
   spec.add_development_dependency 'truemail-rspec', '~> 1.1'

.codeclimate.yml

@@ -9,7 +9,7 @@ checks:
 plugins:
   rubocop:
     enabled: true
-    channel: rubocop-1-54
+    channel: rubocop-1-56
     config:
       file: .circleci/linter_configs/.rubocop.yml
 

lib/truemail/validate/smtp.rb

@@ -63,7 +63,7 @@ def success_response?
 
       def not_includes_user_not_found_errors?
         return false unless configuration.smtp_safe_check
-        result.smtp_debug.map(&:response).map(&:errors).all? do |errors|
+        result.smtp_debug.map { |request| request.response.errors }.all? do |errors|
           next true unless errors.key?(:rcptto)
           errors.slice(:rcptto).values.none? do |error|
             configuration.smtp_error_body_pattern.match?(error)

spec/truemail/validate/list_match_spec.rb

@@ -73,8 +73,7 @@
 
       context 'when email exists on both lists' do
         specify do
-          allow(configuration_instance).to receive(:whitelisted_emails).and_return([email])
-          allow(configuration_instance).to receive(:blacklisted_emails).and_return([email])
+          allow(configuration_instance).to receive_messages(whitelisted_emails: [email], blacklisted_emails: [email])
           expect { domain_list_match_validator }
             .to change(result_instance, :success)
             .from(nil).to(true)
@@ -84,8 +83,7 @@
 
       context 'when email domain exists on both lists' do
         specify do
-          allow(configuration_instance).to receive(:whitelisted_domains).and_return([domain])
-          allow(configuration_instance).to receive(:blacklisted_domains).and_return([domain])
+          allow(configuration_instance).to receive_messages(whitelisted_domains: [domain], blacklisted_domains: [domain])
           expect { domain_list_match_validator }
             .to change(result_instance, :success)
             .from(nil).to(true)
@@ -96,8 +94,7 @@
 
       context 'when email domain exists not on both lists' do
         specify do
-          allow(configuration_instance).to receive(:whitelisted_domains).and_return([])
-          allow(configuration_instance).to receive(:blacklisted_domains).and_return([])
+          allow(configuration_instance).to receive_messages(whitelisted_domains: [], blacklisted_domains: [])
           expect { domain_list_match_validator }
             .to not_change(result_instance, :success)
             .and change(result_instance, :domain)

spec/truemail/validate/smtp/request_spec.rb

@@ -272,8 +272,7 @@
 
         it 'rcptto smtp server error' do
           allow(session).to receive(:start).with(verifier_domain).and_yield(session)
-          allow(session).to receive(:helo).and_return(true)
-          allow(session).to receive(:mailfrom).and_return(true)
+          allow(session).to receive_messages(helo: true, mailfrom: true)
           allow(session).to receive(:rcptto).and_raise(::StandardError, error_message)
 
           expect { response_instance_target_method }