test/test_vhost.py

   1 #!/usr/bin/env python3
   2
   3 import unittest
   4
   5 from framework import VppTestCase, VppTestRunner
   6
   7 from vpp_vhost_interface import VppVhostInterface
   8
   9
  10 class TesVhostInterface(VppTestCase):
  11     """Vhost User Test Case
  12
  13     """
  14     @classmethod
  15     def setUpClass(cls):
  16         super(TesVhostInterface, cls).setUpClass()
  17
  18     @classmethod
  19     def tearDownClass(cls):
  20         super(TesVhostInterface, cls).tearDownClass()
  21
  22     def tearDown(self):
  23         super(TesVhostInterface, self).tearDown()
  24         if not self.vpp_dead:
  25             if_dump = self.vapi.sw_interface_vhost_user_dump()
  26             for ifc in if_dump:
  27                 self.vapi.delete_vhost_user_if(ifc.sw_if_index)
  28
  29     def test_vhost(self):
  30         """ Vhost User add/delete interface test """
  31         self.logger.info("Vhost User add interfaces")
  32
  33         # create interface 1 (VirtualEthernet0/0/0)
  34         vhost_if1 = VppVhostInterface(self, sock_filename='/tmp/sock1')
  35         vhost_if1.add_vpp_config()
  36         vhost_if1.admin_up()
  37
  38         # create interface 2 (VirtualEthernet0/0/1)
  39         vhost_if2 = VppVhostInterface(self, sock_filename='/tmp/sock2')
  40         vhost_if2.add_vpp_config()
  41         vhost_if2.admin_up()
  42
  43         # verify both interfaces in the show
  44         ifs = self.vapi.cli("show interface")
  45         self.assertIn('VirtualEthernet0/0/0', ifs)
  46         self.assertIn('VirtualEthernet0/0/1', ifs)
  47
  48         # verify they are in the dump also
  49         if_dump = self.vapi.sw_interface_vhost_user_dump()
  50         self.assertTrue(vhost_if1.is_interface_config_in_dump(if_dump))
  51         self.assertTrue(vhost_if2.is_interface_config_in_dump(if_dump))
  52
  53         # delete VirtualEthernet0/0/1
  54         self.logger.info("Deleting VirtualEthernet0/0/1")
  55         vhost_if2.remove_vpp_config()
  56
  57         self.logger.info("Verifying VirtualEthernet0/0/1 is deleted")
  58
  59         ifs = self.vapi.cli("show interface")
  60         # verify VirtualEthernet0/0/0 still in the show
  61         self.assertIn('VirtualEthernet0/0/0', ifs)
  62
  63         # verify VirtualEthernet0/0/1 not in the show
  64         self.assertNotIn('VirtualEthernet0/0/1', ifs)
  65
  66         # verify VirtualEthernet0/0/1 is not in the dump
  67         if_dump = self.vapi.sw_interface_vhost_user_dump()
  68         self.assertFalse(vhost_if2.is_interface_config_in_dump(if_dump))
  69
  70         # verify VirtualEthernet0/0/0 is still in the dump
  71         self.assertTrue(vhost_if1.is_interface_config_in_dump(if_dump))
  72
  73         # delete VirtualEthernet0/0/0
  74         self.logger.info("Deleting VirtualEthernet0/0/0")
  75         vhost_if1.remove_vpp_config()
  76
  77         self.logger.info("Verifying VirtualEthernet0/0/0 is deleted")
  78
  79         # verify VirtualEthernet0/0/0 not in the show
  80         ifs = self.vapi.cli("show interface")
  81         self.assertNotIn('VirtualEthernet0/0/0', ifs)
  82
  83         # verify VirtualEthernet0/0/0 is not in the dump
  84         if_dump = self.vapi.sw_interface_vhost_user_dump()
  85         self.assertFalse(vhost_if1.is_interface_config_in_dump(if_dump))
  86
  87     def test_vhost_interface_state(self):
  88         """ Vhost User interface states and events test """
  89
  90         self.vapi.want_interface_events()
  91
  92         # clear outstanding events
  93         # (like delete interface events from other tests)
  94         self.vapi.collect_events()
  95
  96         vhost_if = VppVhostInterface(self, sock_filename='/tmp/sock1')
  97
  98         # create vhost interface
  99         vhost_if.add_vpp_config()
 100         self.sleep(0.1)
 101         events = self.vapi.collect_events()
 102         # creating interface does now create events
 103         self.assert_equal(len(events), 1, "number of events")
 104
 105         vhost_if.admin_up()
 106         vhost_if.assert_interface_state(1, 0, expect_event=True)
 107
 108         vhost_if.admin_down()
 109         vhost_if.assert_interface_state(0, 0, expect_event=True)
 110
 111         # delete vhost interface
 112         vhost_if.remove_vpp_config()
 113         event = self.vapi.wait_for_event(timeout=1)
 114         self.assert_equal(event.sw_if_index, vhost_if.sw_if_index,
 115                           "sw_if_index")
 116         self.assert_equal(event.deleted, 1, "deleted flag")
 117
 118         # verify there are no more events
 119         events = self.vapi.collect_events()
 120         self.assert_equal(len(events), 0, "number of events")
 121
 122 if __name__ == '__main__':
 123     unittest.main(testRunner=VppTestRunner)