Module: Beaker::Shared::Repetition

Included in:
Beaker::Shared
Defined in:
lib/beaker/shared/repetition.rb

Instance Method Summary collapse

Instance Method Details

#repeat_fibonacci_style_for(attempts, &block) ⇒ Object 



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# File 'lib/beaker/shared/repetition.rb', line 20

def repeat_fibonacci_style_for attempts, &block
  done = false
  attempt = 1
  last_wait, wait = 0, 1
  while not done and attempt <= attempts do
    done = block.call
    attempt += 1
    sleep wait unless done
    last_wait, wait = wait, last_wait + wait
  end
  return done
end

#repeat_for(seconds, &block) ⇒ Object 



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# File 'lib/beaker/shared/repetition.rb', line 5

def repeat_for seconds, &block
  # do not peg CPU if &block takes less than 1 second
  repeat_for_and_wait seconds, 1, &block
end

#repeat_for_and_wait(seconds, wait, &block) ⇒ Object 



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# File 'lib/beaker/shared/repetition.rb', line 10

def repeat_for_and_wait seconds, wait, &block
  timeout = Time.now + seconds
  done = false
  until done or timeout < Time.now do
    done = block.call
    sleep wait unless done
  end
  return done
end