feat: support rails 4

.gitignore

@@ -1,5 +1,6 @@
 /.bundle/
 /.yardoc
+/.idea/
 /Gemfile.lock
 /_yardoc/
 /coverage/

Appraisals

@@ -5,3 +5,15 @@ end
 appraise 'rails3.2' do
   gem 'rails', '~> 3.2.0'
 end
+
+appraise 'rails4.0' do
+  gem 'rails', '~> 4.0.0'
+end
+
+appraise 'rails4.1' do
+  gem 'rails', '~> 4.1.0'
+end
+
+appraise 'rails4.2' do
+  gem 'rails', '~> 4.2.0'
+end

Gemfile

@@ -1,3 +1,8 @@
 source 'https://rubygems.org'
 
 gemspec
+
+if RUBY_VERSION < '2'
+  gem 'mime-types', '< 3.0'
+  gem 'json', '< 2.0'
+end

lib/slaver/pools_handler.rb

@@ -27,7 +27,11 @@ def initialize_pool(config_name)
     def create_connection_pool(config_name)
       config = ::ActiveRecord::Base.configurations[config_name]
       config.symbolize_keys!
-      spec = ActiveRecord::Base::ConnectionSpecification.new(config, "#{config[:adapter]}_connection")
+      if ActiveRecord::VERSION::MAJOR < 4
+        spec = ActiveRecord::Base::ConnectionSpecification.new(config, "#{config[:adapter]}_connection")
+      else
+        spec = ActiveRecord::ConnectionAdapters::ConnectionSpecification.new(config, "#{config[:adapter]}_connection")
+      end
 
       ActiveRecord::ConnectionAdapters::ConnectionPool.new(spec)
     end

slaver.gemspec

@@ -18,14 +18,14 @@ Gem::Specification.new do |spec|
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
-  spec.add_runtime_dependency 'activerecord', '~> 3.1'
-  spec.add_runtime_dependency 'activesupport', '~> 3.1'
+  spec.add_runtime_dependency 'activerecord', '>= 3.1.0', '< 5.0'
+  spec.add_runtime_dependency 'activesupport', '>= 3.1.0', '< 5.0'
 
   spec.add_development_dependency 'bundler'
   spec.add_development_dependency 'rake'
   spec.add_development_dependency 'rspec', '~> 3.3'
   spec.add_development_dependency 'rspec-rails'
-  spec.add_development_dependency 'combustion', '~> 0.5'
+  spec.add_development_dependency 'combustion', '>= 0.5.0', '< 0.5.5'
   spec.add_development_dependency 'appraisal'
   spec.add_development_dependency 'pry-debugger'
   spec.add_development_dependency 'shoulda-matchers', '< 3.0.0'