Additions to rr stubbing

gistfile1.rb

# Dynamic method stubbing
# user = Factory(:user)
# callbacks = User._create_callbacks.map(&:filter)
# stub_methods("user", callbacks)
def stub_methods(name, methods)
  methods.each do |method|
    eval "stub(#{name}).#{method}"
  end
end

# Stub constant and return back its old value without warnings
# stub_const(User, :CONST, value) do
#   some code...
# end
def stub_const(klass, name, value)
  old_verbose, $VERBOSE = $VERBOSE, nil
  old_value = klass.const_get(name)
  klass.const_set(name, value)
  yield
ensure
  klass.const_set(name, old_value)
  $VERBOSE = old_verbose
end