test/test_system_process.rb

   1 require 'test_helper'
   2
   3 class TestSystemProcessCreation < Test::Unit::TestCase
   4   def test_new_should_succeed_for_existing_pid
   5     pid = Process.pid
   6     assert_nothing_raised do
   7       @process = System::Process.new(pid)
   8     end
   9   end
  10 end
  11
  12 class TestSystemProcess < Test::Unit::TestCase
  13   def setup
  14     pid = Process.pid
  15     @process = System::Process.new(pid)
  16   end
  17
  18   def test_exists_should_return_true_for_running_process
  19     assert_equal true, @process.exists?
  20   end
  21
  22   def test_exists_should_return_false_for_non_existant_process
  23     assert_equal false, System::Process.new(0).exists?
  24   end
  25
  26   def test_memory
  27     assert_kind_of Integer, @process.memory
  28     assert @process.memory > 0
  29   end
  30
  31   def test_percent_cpu
  32     assert_kind_of Float, @process.percent_mem
  33   end
  34
  35   def test_percent_cpu
  36     assert_kind_of Float, @process.percent_cpu
  37   end
  38
  39   def test_cpu_time
  40     assert_kind_of Integer, @process.cpu_time
  41   end
  42
  43   def test_time_string_to_seconds
  44     assert_equal 0, @process.bypass.time_string_to_seconds('0:00:00')
  45     assert_equal 0, @process.bypass.time_string_to_seconds('0:00:55')
  46     assert_equal 27, @process.bypass.time_string_to_seconds('0:27:32')
  47     assert_equal 75, @process.bypass.time_string_to_seconds('1:15:13')
  48     assert_equal 735, @process.bypass.time_string_to_seconds('12:15:13')
  49   end
  50 end
  51