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Module: RSpec::Support::RecursiveConstMethods

Overview

Provides recursive constant lookup methods useful for constant stubbing.

Instance Method Summary

Instance Method Details

#const_defined_on?(mod, const_name)

See additional method definition at line 31.

[ GitHub ] 

  


# File 'rspec-support/lib/rspec/support/recursive_const_methods.rb', line 45



def const_defined_on?(mod, const_name)
  mod.const_defined?(const_name)
end


  








  

    #constants_defined_on(mod)  
  



  

    

See additional method definition at line 41.


  



  [ GitHub ]


  

  


# File 'rspec-support/lib/rspec/support/recursive_const_methods.rb', line 53



def constants_defined_on(mod)
  mod.constants.select { |c| const_defined_on?(mod, c) }
end


  








  

    #get_const_defined_on(mod, const_name)  
  



  

    

See additional method definition at line 35.


  



  [ GitHub ]


  

  


# File 'rspec-support/lib/rspec/support/recursive_const_methods.rb', line 49



def get_const_defined_on(mod, const_name)
  return mod.const_get(const_name) if const_defined_on?(mod, const_name)

  raise NameError, "uninitialized constant #{mod.name}::#{const_name}"
end


  








  

    #normalize_const_name(const_name)  
  

  [ GitHub ]


  

  


# File 'rspec-support/lib/rspec/support/recursive_const_methods.rb', line 73



def normalize_const_name(const_name)
  const_name.sub(/\A::/, '')
end


  








  

    #recursive_const_defined?(const_name)  ⇒ Boolean 
  



  

    
  





  


  [ GitHub ]


  

  


# File 'rspec-support/lib/rspec/support/recursive_const_methods.rb', line 64



def recursive_const_defined?(const_name)
  parts = normalize_const_name(const_name).split('::')
  parts.inject([Object, '']) do |(mod, full_name), name|
    yield(full_name, name) if block_given? && !(Module === mod)
    return false unless const_defined_on?(mod, name)
    [get_const_defined_on(mod, name), [mod.name, name].join('::')]
  end
end


  








  

    #recursive_const_get(const_name)  
  

  [ GitHub ]


  

  


# File 'rspec-support/lib/rspec/support/recursive_const_methods.rb', line 58



def recursive_const_get(const_name)
  normalize_const_name(const_name).split('::').inject(Object) do |mod, name|
    get_const_defined_on(mod, name)
  end
end