For testing some bits inside of ActiveRecord proper.
module Rails
def self.env
o = Class.new do
def production?
true
end
end
o.new
end
end
Evil and fun. Uses `Class.new`, my favorite Ruby method.
Muahahaha.
Fake Rails environment
Published
Adam Keys is typing 
But you can do it without the Class.new:
o = Object.new
def o.production?() true end
o
Well done. But, I say, what’s the fun in that? ;)