Class: TestServer::Config

Inherits:
Object
  • Object
show all
Defined in:
lib/test_server/config.rb

Class Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(file = available_config_file, config_engine = Psych) ⇒ Config 



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# File 'lib/test_server/config.rb', line 46

def initialize(file = available_config_file, config_engine = Psych)
  config_mutex = Mutex.new
  config_mutex.synchronize do
    yaml = Psych.load_file(file)

    if yaml.respond_to? :[]
      @config = yaml.symbolize_keys
    else
      @config = {}
    end
  end
rescue StandardError => e
  fail Exceptions::ConfigFileNotReadable, JSON.dump(message: e.message, file: file)
end

Class Attribute Details

.options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/test_server/config.rb', line 16

def options
  @options
end

.process_environment ⇒ Object (readonly)

Returns the value of attribute process_environment.



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# File 'lib/test_server/config.rb', line 16

def process_environment
  @process_environment
end

Class Method Details

.option(option, default_value) ⇒ Object 



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# File 'lib/test_server/config.rb', line 38

def option(option, default_value)
  option_reader(option, default_value)
  option_writer(option)
end

.option_reader(option, default_value) ⇒ Object 



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# File 'lib/test_server/config.rb', line 18

def option_reader(option, default_value)
  define_method option.to_sym do
    config.fetch(option.to_sym, default_value)
  end

  @options << option
end

.option_writer(option) ⇒ Object 



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# File 'lib/test_server/config.rb', line 26

def option_writer(option)
  define_method "#{option}=".to_sym do |value|
    begin
      config[option.to_sym] = value
    rescue RuntimeError
      raise Exceptions::ConfigLocked
    end
  end

  @options << option
end

Instance Method Details

#allowed_config_file_paths ⇒ Object 



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# File 'lib/test_server/config.rb', line 77

def allowed_config_file_paths
  [
    ::File.expand_path(::File.join(self.class.process_environment.fetch('HOME'), '.config', 'test_server', 'config.yaml')),
    ::File.expand_path(::File.join(self.class.process_environment.fetch('HOME'), '.test_server', 'config.yaml')),
    ::File.expand_path(::File.join('/etc', 'test_server', 'config.yaml')),
    ::File.expand_path('../../../files/config.yaml', __FILE__),
  ]
end

#lock ⇒ Object 



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# File 'lib/test_server/config.rb', line 61

def lock
  config.freeze
end

#to_s ⇒ Object 



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# File 'lib/test_server/config.rb', line 65

def to_s
  result = []
  result << sprintf("%20s | %s", 'option', 'value')
  result << sprintf("%s + %s", '-' * 20, '-' * 80)

  Config.options.each do |o|
    result << sprintf("%20s | %s", o, Array(public_send(o)).join(', '))
  end

  result.join("\n")
end