devices: tap API cleanup

Use consistent API types.

Type: fix

Change-Id: I11cc7f6347b7a60e5fd41e54f0c7994e2d81199f
Signed-off-by: Jakub Grajciar <jgrajcia@cisco.com>

2 files changed, 65 insertions, 0 deletions

diff --git a/test/test_tap.py b/test/test_tap.py
new file mode 100644
index 00000000000..92589789a95
--- /dev/null
+++ b/test/test_tap.py
@@ -0,0 +1,24 @@
+import unittest
+import os
+
+from framework import VppTestCase, VppTestRunner
+from vpp_devices import VppTAPInterface
+
+
+def check_tuntap_driver_access():
+    return os.access("/dev/net/tun", os.R_OK or os.W_OK)
+
+
+@unittest.skipUnless(check_tuntap_driver_access(), "Permission denied")
+class TestTAP(VppTestCase):
+    """ TAP Test Case """
+
+    def test_tap_add_del(self):
+        """Create TAP interface"""
+        tap0 = VppTAPInterface(self, tap_id=0)
+        tap0.add_vpp_config()
+        self.assertTrue(tap0.query_vpp_config())
+
+
+if __name__ == '__main__':
+    unittest.main(testRunner=VppTestRunner)
diff --git a/test/vpp_devices.py b/test/vpp_devices.py
new file mode 100644
index 00000000000..7e18eca65a9
--- /dev/null
+++ b/test/vpp_devices.py
@@ -0,0 +1,41 @@
+from vpp_interface import VppInterface
+
+
+class VppTAPInterface(VppInterface):
+
+    @property
+    def tap_id(self):
+        """TAP id"""
+        return self._tap_id
+
+    def __init__(self, test, tap_id=0xffffffff, mac_addr=None):
+        self._test = test
+        self._tap_id = tap_id
+        self._mac_addr = mac_addr
+
+    def get_vpp_dump(self):
+        dump = self._test.vapi.sw_interface_tap_v2_dump()
+        for entry in dump:
+            if entry.sw_if_index == self.sw_if_index:
+                return entry
+
+    def add_vpp_config(self):
+        use_random_mac = True if self._mac_addr else False
+        reply = self._test.vapi.tap_create_v2(
+            id=self._tap_id,
+            use_random_mac=use_random_mac,
+            mac_address=self._mac_addr)
+        self.set_sw_if_index(reply.sw_if_index)
+        self._test.registry.register(self, self.test.logger)
+
+    def remove_vpp_config(self):
+        self._test.vapi.tap_delete_v2(sw_if_index=self.sw_if_index)
+
+    def query_vpp_config(self):
+        dump = self.get_vpp_dump()
+        if dump:
+            return True
+        return False
+
+    def object_id(self):
+        return "tap-%s" % self._tap_id