BEST TEST EVER!

gistfile1.rb

require 'test/unit'
require 'rubygems'
require 'wrong'
require 'wrong/adapters/test_unit'
require 'memory_watch'
class MemoryWatchTest < Test::Unit::TestCase
  def test_watches_self
    cmd = %q{ruby memory_watch.rb --delay 999999 --num_cycles 9900000099}
    pid = fork { %x{#{cmd}} }
    Process.detach(pid)
    wm = MemoryWatch.new(:watch => cmd , :high_water_mb => 0.01,:delay => 0.1, :num_cycles => 1)
    wm.cycle
    assert { 
      wm.high_water_pids.size == 1
    }
    wm.pids.each do |pid|
      %x{kill -9 #{pid}}
    end
  end
  def test_runs_callback
    test_magiggy = false
    wm = MemoryWatch.new(:watch => File.basename(__FILE__), 
                         :high_water_mb => 0,
                         :num_cycles => 1,
                         :delay => 0.01,
                         :num_over_marks => 0,
                         :callback => lambda {|pid|
                            test_magiggy = pid
                         })
    wm.cycle
    assert { 
      wm.high_water_pids.include? test_magiggy
    }
  end
end

art.