Class: ShellTest::ShellMethods::Timer

Inherits:
Object
  • Object
show all
Defined in:
lib/shell_test/shell_methods/timer.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(clock = Time) ⇒ Timer

Returns a new instance of Timer.



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# File 'lib/shell_test/shell_methods/timer.rb', line 9

def initialize(clock=Time)
  @clock = clock
  reset
end

Instance Attribute Details

#clock ⇒ Object (readonly)

Returns the value of attribute clock.



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# File 'lib/shell_test/shell_methods/timer.rb', line 4

def clock
  @clock
end

#start_time ⇒ Object (readonly)

Returns the value of attribute start_time.



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# File 'lib/shell_test/shell_methods/timer.rb', line 5

def start_time
  @start_time
end

#step_time ⇒ Object (readonly)

Returns the value of attribute step_time.



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# File 'lib/shell_test/shell_methods/timer.rb', line 7

def step_time
  @step_time
end

#stop_time ⇒ Object (readonly)

Returns the value of attribute stop_time.



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# File 'lib/shell_test/shell_methods/timer.rb', line 6

def stop_time
  @stop_time
end

Instance Method Details

#current_time ⇒ Object 



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# File 'lib/shell_test/shell_methods/timer.rb', line 14

def current_time
  clock.now.to_f
end

#elapsed_time ⇒ Object 



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# File 'lib/shell_test/shell_methods/timer.rb', line 35

def elapsed_time
  current_time - start_time
end

#reset ⇒ Object 



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# File 'lib/shell_test/shell_methods/timer.rb', line 18

def reset
  @start_time = nil
  @stop_time  = nil
  @step_time  = 0
end

#running? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/shell_test/shell_methods/timer.rb', line 31

def running?
  start_time.nil? || stop_time.nil? ? false : true
end

#start(max_run_time = 60) ⇒ Object 



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# File 'lib/shell_test/shell_methods/timer.rb', line 24

def start(max_run_time=60)
  reset
  @start_time = current_time
  @stop_time  = start_time + max_run_time
  @step_time  = stop_time
end

#stop ⇒ Object 



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# File 'lib/shell_test/shell_methods/timer.rb', line 39

def stop
  if running?
    elapsed = elapsed_time
    reset
    elapsed
  else
    nil
  end
end

#timeout ⇒ Object 



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# File 'lib/shell_test/shell_methods/timer.rb', line 65

def timeout
  timeout = step_time - current_time
  timeout < 0 ? 0 : timeout
end

#timeout=(timeout) ⇒ Object 



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# File 'lib/shell_test/shell_methods/timer.rb', line 49

def timeout=(timeout)
  unless running?
    raise "cannot set timeout unless running"
  end

  case
  when timeout.nil?
    @step_time = stop_time
  when timeout < 0 
    step_time
  else
    mtime = current_time + timeout
    @step_time = mtime > stop_time ? stop_time : mtime
  end
end