test/test_tap.py

   1 import unittest
   2 import os
   3
   4 from framework import VppTestCase, VppTestRunner
   5 from vpp_devices import VppTAPInterface
   6
   7
   8 def check_tuntap_driver_access():
   9     return os.access("/dev/net/tun", os.R_OK and os.W_OK)
  10
  11
  12 @unittest.skip("Requires root")
  13 class TestTAP(VppTestCase):
  14     """ TAP Test Case """
  15
  16     def test_tap_add_del(self):
  17         """Create TAP interface"""
  18         tap0 = VppTAPInterface(self, tap_id=0)
  19         tap0.add_vpp_config()
  20         self.assertTrue(tap0.query_vpp_config())
  21
  22     def test_tap_dump(self):
  23         """ Test api dump w/ and w/o sw_if_index filtering"""
  24         MAX_INSTANCES = 10
  25         tap_instances = []
  26         for instance in range(MAX_INSTANCES):
  27             i = VppTAPInterface(self, tap_id=instance)
  28             i.add_vpp_config()
  29             tap_instances.append(i)
  30         details = self.vapi.sw_interface_tap_v2_dump()
  31         self.assertEqual(MAX_INSTANCES, len(details))
  32         details = self.vapi.sw_interface_tap_v2_dump(
  33             tap_instances[5].sw_if_index)
  34         self.assertEqual(1, len(details))
  35
  36
  37 if __name__ == '__main__':
  38     unittest.main(testRunner=VppTestRunner)