rspec unit testing a method which has a infinite loop

Question

I have a method like this

class SomeClass
  def self.test_method
    while(true)
      make_heavy_lifting
      sleep(60*60)
    end
  end
end

How do i write test for this method.

one solution i thought of is stubbing sleep method and it worked but i am not able to stub the while keyword. please suggest best practices for unit testing a method which has infinite loop.

Answer 1

Maybe you can move everything inside the while except the sleep to another method, then you write specs only for that method, I don't think you really need to test that your method has a while loop and a sleep (you don't need to test EVERY line of your code :P) but if you want to do that check this question, it has some things you can try What is the best practice when it comes to testing "infinite loops"?