Block reload config files in Railtie if they already uploaded

README.md

@@ -55,6 +55,14 @@ You can now edit them to adjust to your needs.
 
 > Note: By default, the config environment will match the Rails environment (`Rails.env`). This can be changed by setting `config.environment`.
 
+You can also define your own settings files and load them in the initializer:
+
+```ruby
+Config.setup do |config|
+ config.load_and_set_settings("/path/to/yaml1", "/path/to/yaml2", ...)
+end
+```
+
 ### Installing on Padrino
 
 Add the gem to your `Gemfile` and run `bundle install` to install it. Then edit `app.rb` and register `Config`

lib/config/integrations/rails/railtie.rb

@@ -7,6 +7,8 @@ def preload
  initializer = ::Rails.root.join('config', 'initializers', 'config.rb')
  require initializer if File.exist?(initializer)
 
+ return if Object.const_defined?(Config.const_name)
+
  # Parse the settings before any of the initializers
  Config.load_and_set_settings(
  Config.setting_files(::Rails.root.join('config'), Config.environment.nil? ? ::Rails.env : Config.environment.to_sym)

spec/config_env_spec.rb

@@ -10,8 +10,14 @@
  Config.load_files "#{fixture_path}/settings.yml", "#{fixture_path}/multilevel.yml"
  end
 
+ before :all do
+ ENV_BACKUP = ENV.to_hash
+ end
+
  after :all do
  Config.use_env = false
+
+ ENV_BACKUP.each { |k, v| ENV[k] = v }
  end
 
  before :each do

spec/config_spec.rb

@@ -151,6 +151,45 @@
  expect(Settings.size).to eq(2)
  end
 
+ describe "load_and_set_settings in the Rails context" do
+ if defined?(Rails)
+ let(:config_name) { Rails.root.join("config", "initializers", "config.rb") }
+ let(:default_settings_file_name) { Rails.root.join("config", "settings.yml") }
+ let(:custom_settings_file_name) { Rails.root.join("config", "settings_custom.yml") }
+ let(:spring_file_name_for_rails_6_1) { Rails.root.join("bin", "spring") }
+
+ before do
+ File.write(default_settings_file_name, "default: default_value")
+ File.write(custom_settings_file_name, "custom: custom_value")
+ # workaround for Rails 6.1
+ File.write(spring_file_name_for_rails_6_1, "") if Rails.version == "6.1.7.6"
+ end
+
+ after do
+ File.delete(config_name) if File.exist?(config_name)
+ File.delete(default_settings_file_name) if File.exist?(default_settings_file_name)
+ File.delete(custom_settings_file_name) if File.exist?(custom_settings_file_name)
+ File.delete(spring_file_name_for_rails_6_1) if File.exist?(spring_file_name_for_rails_6_1)
+ end
+
+ it "should read value only from default settings without config.rb" do
+ values = `#{Rails.root.join("bin", "rails")} runner 'print "\#{Settings.default}|\#{Settings.custom}"'`
+ expect(values).to eq("default_value|")
+ end
+
+ it "should read value only from default settings without use of load_and_set_settings" do
+ File.write(config_name, "Config.setup { |config| }")
+ values = `#{Rails.root.join("bin", "rails")} runner 'print "\#{Settings.default}|\#{Settings.custom}"'`
+ expect(values).to eq("default_value|")
+ end
+
+ it "should read value only from custom settings with use of load_and_set_settings" do
+ File.write(config_name, "Config.setup { |config| config.load_and_set_settings(['#{custom_settings_file_name}']) }")
+ values = `#{Rails.root.join("bin", "rails")} runner 'print "\#{Settings.default}|\#{Settings.custom}"'`
+ expect(values).to eq("|custom_value")
+ end
+ end
+ end
 
 
  context "Nested Settings" do