Module: FakeFS::Kernel

Defined in:
lib/fakefs/kernel.rb

Overview

Kernel Module

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.captives ⇒ Object

Returns the value of attribute captives.



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# File 'lib/fakefs/kernel.rb', line 7

def captives
  @captives
end

Class Method Details

.hijack(name, &block) ⇒ Object

NOTE: maybe private



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# File 'lib/fakefs/kernel.rb', line 29

def self.hijack(name, &block)
  captives[:original][name] = ::Kernel.method(name.to_sym)
  captives[:hijacked][name] = block || proc { |_args| }
end

.hijack! ⇒ Object 



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# File 'lib/fakefs/kernel.rb', line 10

def self.hijack!
  captives[:hijacked].each do |name, prc|
    ::Kernel.send(:remove_method, name.to_sym)
    ::Kernel.send(:define_method, name.to_sym, &prc)
    ::Kernel.send(:private, name.to_sym)
  end
end

.unhijack! ⇒ Object 



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# File 'lib/fakefs/kernel.rb', line 18

def self.unhijack!
  captives[:original].each do |name, _prc|
    ::Kernel.send(:remove_method, name.to_sym)
    ::Kernel.send(:define_method, name.to_sym, proc do |*args, **kwargs, &block|
      ::FakeFS::Kernel.captives[:original][name].call(*args, **kwargs, &block)
    end)
    ::Kernel.send(:private, name.to_sym)
  end
end