text: import unittest
  
  import ID2TLib.TestLibrary as Lib
  import ID2TLib.Utility as Utility
  
  # TODO: improve coverage
  
  
  class TestUtility(unittest.TestCase):
      def test_update_timestamp_no_delay(self):
          self.assertTrue(100 + 10 / 5 >= Utility.update_timestamp(100, 5) >= 100 + 1 / 5)
  
      def test_update_timestamp_with_delay(self):
          self.assertTrue(100 + 1 / 5 + 10/10 <= Utility.update_timestamp(100, 5, 10) <= 100 + 1 / 5 + 10)
  
      def test_update_timestamp_comparison(self):
          self.assertTrue(Utility.update_timestamp(100, 5) <= Utility.update_timestamp(100, 5, 10))
  
      def test_get_interval_pps_below_max(self):
          cipps = [(5, 1), (10, 2), (15, 3)]
          self.assertEqual(Utility.get_interval_pps(cipps, 3), 1)
          self.assertEqual(Utility.get_interval_pps(cipps, 7), 2)
          self.assertEqual(Utility.get_interval_pps(cipps, 12), 3)
  
      def test_get_interval_pps_above_max(self):
          cipps = [(5, 1), (10, 2), (15, 3)]
          self.assertEqual(Utility.get_interval_pps(cipps, 30), 3)
  
      def test_get_nth_random_element_equal_no(self):
          letters = ["A", "B", "C"]
          numbers = [1, 2, 3]
          results = [("A", 1), ("B", 2), ("C", 3)]
          self.assertIn(Utility.get_nth_random_element(letters, numbers), results)
  
      def test_get_nth_random_element_unequal_no(self):
          letters = ["A", "B", "C"]
          numbers = [1, 2]
          results = [("A", 1), ("B", 2)]
          self.assertIn(Utility.get_nth_random_element(letters, numbers), results)
  
      def test_get_nth_random_element_single_list(self):
          letters = ["A", "B", "C"]
          self.assertIn(Utility.get_nth_random_element(letters), letters)
  
      def test_get_nth_random_element_empty_list(self):
          letters = ["A", "B", "C"]
          self.assertEqual(Utility.get_nth_random_element(letters, []), None)
  
      def test_get_nth_random_element_nothing(self):
          self.assertEqual(Utility.get_nth_random_element(), None)
  
      def test_get_rnd_os(self):
          self.assertIn(Utility.get_rnd_os(), Utility.platforms)
  
      def test_check_platform_valid(self):
              Utility.check_platform("linux")
  
      def test_check_platform_invalid(self):
          with self.assertRaises(ValueError):
              Utility.check_platform("abc")
  
      def test_get_ip_range_forwards(self):
          start = "192.168.178.254"
          end = "192.168.179.1"
          result = ["192.168.178.254", "192.168.178.255", "192.168.179.0", "192.168.179.1"]
          self.assertEqual(Utility.get_ip_range(start, end), result)
  
      def test_get_ip_range_backwards(self):
          end = "192.168.178.254"
          start = "192.168.179.1"
          result = ["192.168.179.1", "192.168.179.0", "192.168.178.255", "192.168.178.254"]
          self.assertEqual(Utility.get_ip_range(start, end), result)
  
      def test_get_ip_range_equal(self):
          end = "192.168.178.254"
          start = "192.168.178.254"
          result = ["192.168.178.254"]
          self.assertEqual(Utility.get_ip_range(start, end), result)
  
      def test_generate_source_port_from_platform_invalid(self):
          with self.assertRaises(ValueError):
              Utility.generate_source_port_from_platform("abc")
  
      def test_generate_source_port_from_platform_oldwin_firstport(self):
          self.assertTrue(1024 <= Utility.generate_source_port_from_platform("winxp") <= 5000)
  
      def test_generate_source_port_from_platform_oldwin_nextport(self):
          self.assertEqual(Utility.generate_source_port_from_platform("winxp", 2000), 2001)
  
      def test_generate_source_port_from_platform_oldwin_maxport(self):
          self.assertTrue(1024 <= Utility.generate_source_port_from_platform("winxp", 5000) <= 5000)
  
      def test_generate_source_port_from_platform_linux(self):
          self.assertTrue(32768 <= Utility.generate_source_port_from_platform("linux") <= 61000)
  
      def test_generate_source_port_from_platform_newwinmac_firstport(self):
          self.assertTrue(49152 <= Utility.generate_source_port_from_platform("win7") <= 65535)
  
      def test_generate_source_port_from_platform_newwinmac_nextport(self):
          self.assertEqual(Utility.generate_source_port_from_platform("win7", 50000), 50001)
  
      def test_generate_source_port_from_platform_newwinmac_maxport(self):
          self.assertTrue(49152 <= Utility.generate_source_port_from_platform("win7", 65535) <= 65535)
  
      # TODO: get_filetime_format Test
  
      def test_get_rnd_boot_time_invalid(self):
          with self.assertRaises(ValueError):
              Utility.get_rnd_boot_time(10, "abc")
  
      def test_get_rnd_boot_time_linux(self):
          self.assertTrue(Utility.get_rnd_boot_time(100, "linux") < 100)
  
      def test_get_rnd_boot_time_macos(self):
          self.assertTrue(Utility.get_rnd_boot_time(100, "macos") < 100)
  
      def test_get_rnd_boot_time_win(self):
          self.assertTrue(Utility.get_rnd_boot_time(100, "win7") < 100)
  
      def test_get_rnd_x86_nop_len(self):
          result = Utility.get_rnd_x86_nop(1000)
          self.assertEqual(len(result), 1000)
  
      def test_get_rnd_x86_nop_with_sideeffects(self):
          result = Utility.get_rnd_x86_nop(1000, False)
          for i in range(0, len(result)):
              with self.subTest(i=i):
                  self.assertTrue(result[i].to_bytes(1, "little") in Utility.x86_nops or
                                  result[i].to_bytes(1, "little") in Utility.x86_pseudo_nops)
  
      def test_get_rnd_x86_nop_without_sideeffects(self):
          result = Utility.get_rnd_x86_nop(1000, True)
          for i in range(0, len(result)):
              with self.subTest(i=i):
                  self.assertIn(result[i].to_bytes(1, "little"), Utility.x86_nops)
                  self.assertNotIn(result[i].to_bytes(1, "little"), Utility.x86_pseudo_nops)
  
      def test_get_rnd_x86_nop_filter(self):
          result = Utility.get_rnd_x86_nop(1000, False, Utility.x86_nops.copy())
          for i in range(0, len(result)):
              with self.subTest(i=i):
                  self.assertNotIn(result[i].to_bytes(1, "little"), Utility.x86_nops)
  
      def test_get_rnd_x86_nop_single_filter(self):
          result = Utility.get_rnd_x86_nop(1000, False, b'\x20')
          for i in range(0, len(result)):
              with self.subTest(i=i):
                  self.assertNotEqual(result[i].to_bytes(1, "little"), b'\x20')
  
      def test_get_rnd_bytes_number(self):
          result = Utility.get_rnd_bytes(1000)
          self.assertEqual(len(result), 1000)
  
      def test_get_rnd_bytes_filter(self):
          result = Utility.get_rnd_bytes(1000, Utility.x86_pseudo_nops.copy())
          for i in range(0, len(result)):
              with self.subTest(i=i):
                  self.assertNotIn(result[i].to_bytes(1, "little"), Utility.x86_pseudo_nops)
  
      def test_get_bytes_from_file_invalid_path(self):
          with self.assertRaises(SystemExit):
              Utility.get_bytes_from_file(Lib.test_resource_dir + "/NonExistingFile.txt")
  
      def test_get_bytes_from_file_invalid_header(self):
          with self.assertRaises(SystemExit):
              Utility.get_bytes_from_file(Lib.test_resource_dir + "/InvalidHeader.txt")
  
      def test_get_bytes_from_file_invalid_hexfile(self):
          with self.assertRaises(SystemExit):
              Utility.get_bytes_from_file(Lib.test_resource_dir + "/InvalidHexFile.txt")
  
      def test_get_bytes_from_file_invalid_strfile(self):
          with self.assertRaises(SystemExit):
              Utility.get_bytes_from_file(Lib.test_resource_dir + "/InvalidStringFile.txt")
  
      def test_get_bytes_from_file_str(self):
          result = Utility.get_bytes_from_file(Lib.test_resource_dir + "/StringTestFile.txt")
          self.assertEqual(result, b'This is a string-test')
  
      def test_get_bytes_from_file_hex(self):
          result = Utility.get_bytes_from_file(Lib.test_resource_dir + "/HexTestFile.txt")
          self.assertEqual(result, b'\xab\xcd\xef\xff\x10\xff\xaa\xab')
  
      def test_handle_most_used_outputs_empty(self):
          self.assertIsNone(Utility.handle_most_used_outputs([]))
  
      def test_handle_most_used_outputs_one(self):
          test_input = "SomeTest"
          self.assertEqual(Utility.handle_most_used_outputs(test_input), test_input)
  
      def test_handle_most_used_outputs_one_list(self):
          test_input = ["SomeTest"]
          self.assertEqual(Utility.handle_most_used_outputs(test_input), test_input[0])
  
      def test_handle_most_used_outputs_list_sorted(self):
          test_input = [0, 1, 2, 3, 4]
          self.assertEqual(Utility.handle_most_used_outputs(test_input), 0)
  
      def test_handle_most_used_outputs_list_unsorted(self):
          test_input = [2, 4, 0, 1, 3]
          self.assertEqual(Utility.handle_most_used_outputs(test_input), 0)
  
      def test_check_payload_len_exceeded(self):
          with self.assertRaises(ValueError):
              Utility.check_payload_len(10, 5)
  
      def test_check_payload_len_valid(self):
          Utility.check_payload_len(5, 10)
  
      def test_remove_generic_ending_attack(self):
          self.assertEqual(Utility.remove_generic_ending("someattack"), "some")
  
      def test_remove_generic_ending_exploit(self):
          self.assertEqual(Utility.remove_generic_ending("someexploit"), "some")
  
      def test_remove_generic_ending_wrong_ending(self):
          self.assertEqual(Utility.remove_generic_ending("somestuff"), "somestuff")
  
      # TODO: get_attacker_config Tests
  