Module: Fig::EnvironmentVariables

Included in:
CaseInsensitive, CaseSensitive
Defined in:
lib/fig/environment_variables.rb,
lib/fig/environment_variables/case_sensitive.rb,
lib/fig/environment_variables/case_insensitive.rb

Overview

Abstract manager of a set of environment variables.

Defined Under Namespace

Classes: CaseInsensitive, CaseSensitive

Instance Method Summary collapse

Instance Method Details

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/fig/environment_variables.rb', line 11

def empty?
  return @variables.empty?
end

#initialize(variables_override = nil) ⇒ Object 



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# File 'lib/fig/environment_variables.rb', line 7

def initialize(variables_override = nil)
  @variables = variables_override || get_system_environment_variables
end

#keys ⇒ Object 



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# File 'lib/fig/environment_variables.rb', line 15

def keys
  return @variables.keys
end

#with_environment ⇒ Object 



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# File 'lib/fig/environment_variables.rb', line 19

def with_environment
  original_environment = {}
  original_environment.merge!(ENV.to_hash)

  begin
    set_system_environment_variables(@variables)
    yield
  ensure
    ENV.clear
    set_system_environment_variables(original_environment)
  end

  return
end