vlib: pcap rx/tx/dispatch trace test

Mainly intended to improve code coverage, but since the test only runs
for 0.3 seconds we might as well run it all the time.

Type: test

Signed-off-by: Dave Barach <dave@barachs.net>
Change-Id: Icfd0f4dbcdbf76abbaa12e16cee1136413c8ae2e

1 files changed, 89 insertions, 0 deletions

diff --git a/test/test_pcap.py b/test/test_pcap.py
new file mode 100644
index 00000000000..c3c7a662f04
--- /dev/null
+++ b/test/test_pcap.py
@@ -0,0 +1,89 @@
+#!/usr/bin/env python3
+
+import unittest
+
+from framework import VppTestCase, VppTestRunner, running_gcov_tests
+from vpp_ip_route import VppIpTable, VppIpRoute, VppRoutePath
+from os import path, remove
+
+
+class TestPcap(VppTestCase):
+    """ Pcap Unit Test Cases """
+
+    @classmethod
+    def setUpClass(cls):
+        super(TestPcap, cls).setUpClass()
+
+    @classmethod
+    def tearDownClass(cls):
+        super(TestPcap, cls).tearDownClass()
+
+    def setUp(self):
+        super(TestPcap, self).setUp()
+
+    def tearDown(self):
+        super(TestPcap, self).tearDown()
+
+# This is a code coverage test, but it only runs for 0.3 seconds
+# might as well just run it...
+    def test_pcap_unittest(self):
+        """ PCAP Capture Tests """
+        cmds = ["loop create",
+                "set int ip address loop0 11.22.33.1/24",
+                "set int state loop0 up",
+                "loop create",
+                "set int ip address loop1 11.22.34.1/24",
+                "set int state loop1 up",
+                "set ip neighbor loop1 11.22.34.44 03:00:11:22:34:44",
+                "packet-generator new {\n"
+                "  name s0\n"
+                "  limit 10\n"
+                "  size 128-128\n"
+                "  interface loop0\n"
+                "  tx-interface loop1\n"
+                "  node loop1-output\n"
+                "  buffer-flags ip4 offload-ip-cksum offload-udp-cksum\n"
+                "  data {\n"
+                "    IP4: 1.2.3 -> dead.0000.0001\n"
+                "    UDP: 11.22.33.44 -> 11.22.34.44\n"
+                "      ttl 2 checksum 13\n"
+                "    UDP: 1234 -> 2345\n"
+                "      checksum 11\n"
+                "    incrementing 114\n"
+                "  }\n"
+                "}",
+                "pcap dispatch trace on max 100 buffer-trace pg-input 10",
+                "pa en",
+                "pcap dispatch trace off",
+                "pcap trace rx tx max 1000 intfc any",
+                "pa en",
+                "pcap trace status",
+                "pcap trace rx tx off",
+                "classify filter pcap mask l3 ip4 src "
+                "match l3 ip4 src 11.22.33.44",
+                "pcap trace rx tx max 1000 intfc any file filt.pcap filter",
+                "show cla t verbose 2",
+                "show cla t verbose",
+                "show cla t",
+                "pa en",
+                "pcap trace rx tx off",
+                "classify filter pcap del mask l3 ip4 src "
+                "match l3 ip4 src 11.22.33.44"]
+
+        for cmd in cmds:
+            r = self.vapi.cli_return_response(cmd)
+            if r.retval != 0:
+                if hasattr(r, 'reply'):
+                    self.logger.info(cmd + " FAIL reply " + r.reply)
+                else:
+                    self.logger.info(cmd + " FAIL retval " + str(r.retval))
+
+        self.assertTrue(path.exists('/tmp/dispatch.pcap'))
+        self.assertTrue(path.exists('/tmp/rxtx.pcap'))
+        self.assertTrue(path.exists('/tmp/filt.pcap'))
+        os.remove('/tmp/dispatch.pcap')
+        os.remove('/tmp/rxtx.pcap')
+        os.remove('/tmp/filt.pcap')
+
+if __name__ == '__main__':
+    unittest.main(testRunner=VppTestRunner)