tests: move plugin tests to src/plugins/*/test

- Relocate plugin tests for 'make test' into
  src/plugins/*/test so that plugin test cases
  are co-located with the plugin source code.

Type: refactor

Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
Change-Id: I503e6a43528e14981799b735fa65674155713f67
Signed-off-by: Dave Wallace <dwallacelf@gmail.com>

1 files changed, 275 insertions, 0 deletions

diff --git a/src/plugins/memif/test/test_memif.py b/src/plugins/memif/test/test_memif.py
new file mode 100644
index 00000000000..6413cfdbf20
--- /dev/null
+++ b/src/plugins/memif/test/test_memif.py
@@ -0,0 +1,275 @@
+import socket
+import unittest
+
+from scapy.layers.l2 import Ether
+from scapy.layers.inet import IP, ICMP
+import six
+
+from framework import VppTestCase, VppTestRunner, running_extended_tests
+from remote_test import RemoteClass, RemoteVppTestCase
+from vpp_memif import MEMIF_MODE, MEMIF_ROLE, remove_all_memif_vpp_config, \
+    VppSocketFilename, VppMemif
+from vpp_ip_route import VppIpRoute, VppRoutePath
+
+
+class TestMemif(VppTestCase):
+    """ Memif Test Case """
+
+    @classmethod
+    def setUpClass(cls):
+        # fork new process before client connects to VPP
+        cls.remote_test = RemoteClass(RemoteVppTestCase)
+        cls.remote_test.start_remote()
+        cls.remote_test.set_request_timeout(10)
+        super(TestMemif, cls).setUpClass()
+        cls.remote_test.setUpClass(cls.tempdir)
+        cls.create_pg_interfaces(range(1))
+        for pg in cls.pg_interfaces:
+            pg.config_ip4()
+            pg.admin_up()
+            pg.resolve_arp()
+
+    @classmethod
+    def tearDownClass(cls):
+        cls.remote_test.tearDownClass()
+        cls.remote_test.quit_remote()
+        for pg in cls.pg_interfaces:
+            pg.unconfig_ip4()
+            pg.set_table_ip4(0)
+            pg.admin_down()
+        super(TestMemif, cls).tearDownClass()
+
+    def tearDown(self):
+        remove_all_memif_vpp_config(self)
+        remove_all_memif_vpp_config(self.remote_test)
+        super(TestMemif, self).tearDown()
+
+    def _check_socket_filename(self, dump, socket_id, filename):
+        for d in dump:
+            if (d.socket_id == socket_id) and (
+                    d.socket_filename.rstrip(b"\0") == filename):
+                return True
+        return False
+
+    def test_memif_socket_filename_add_del(self):
+        """ Memif socket filename add/del """
+
+        # dump default socket filename
+        dump = self.vapi.memif_socket_filename_dump()
+        self.assertTrue(
+            self._check_socket_filename(
+                dump, 0, b"%s/memif.sock" % six.ensure_binary(
+                    self.tempdir, encoding='utf-8')))
+
+        memif_sockets = []
+        # existing path
+        memif_sockets.append(
+            VppSocketFilename(
+                self, 1, b"%s/memif1.sock" % six.ensure_binary(
+                    self.tempdir, encoding='utf-8')))
+        # default path (test tempdir)
+        memif_sockets.append(
+            VppSocketFilename(
+                self,
+                2,
+                b"memif2.sock",
+                add_default_folder=True))
+        # create new folder in default folder
+        memif_sockets.append(
+            VppSocketFilename(
+                self,
+                3,
+                b"sock/memif3.sock",
+                add_default_folder=True))
+
+        for sock in memif_sockets:
+            sock.add_vpp_config()
+            dump = sock.query_vpp_config()
+            self.assertTrue(
+                self._check_socket_filename(
+                    dump,
+                    sock.socket_id,
+                    sock.socket_filename))
+
+        for sock in memif_sockets:
+            sock.remove_vpp_config()
+
+        dump = self.vapi.memif_socket_filename_dump()
+        self.assertTrue(
+            self._check_socket_filename(
+                dump, 0, b"%s/memif.sock" % six.ensure_binary(
+                    self.tempdir, encoding='utf-8')))
+
+    def _create_delete_test_one_interface(self, memif):
+        memif.add_vpp_config()
+
+        dump = memif.query_vpp_config()
+
+        self.assertTrue(dump)
+        self.assertEqual(dump.sw_if_index, memif.sw_if_index)
+        self.assertEqual(dump.role, memif.role)
+        self.assertEqual(dump.mode, memif.mode)
+        if (memif.socket_id is not None):
+            self.assertEqual(dump.socket_id, memif.socket_id)
+
+        memif.remove_vpp_config()
+
+        dump = memif.query_vpp_config()
+
+        self.assertFalse(dump)
+
+    def _connect_test_one_interface(self, memif):
+        self.assertTrue(memif.wait_for_link_up(5))
+        dump = memif.query_vpp_config()
+
+        if memif.role == MEMIF_ROLE.SLAVE:
+            self.assertEqual(dump.ring_size, memif.ring_size)
+            self.assertEqual(dump.buffer_size, memif.buffer_size)
+        else:
+            self.assertEqual(dump.ring_size, 1)
+            self.assertEqual(dump.buffer_size, 0)
+
+    def _connect_test_interface_pair(self, memif0, memif1):
+        memif0.add_vpp_config()
+        memif1.add_vpp_config()
+
+        memif0.admin_up()
+        memif1.admin_up()
+
+        self._connect_test_one_interface(memif0)
+        self._connect_test_one_interface(memif1)
+
+        memif0.remove_vpp_config()
+        memif1.remove_vpp_config()
+
+    def test_memif_create_delete(self):
+        """ Memif create/delete interface """
+
+        memif = VppMemif(self, MEMIF_ROLE.SLAVE, MEMIF_MODE.ETHERNET)
+        self._create_delete_test_one_interface(memif)
+        memif.role = MEMIF_ROLE.MASTER
+        self._create_delete_test_one_interface(memif)
+
+    def test_memif_create_custom_socket(self):
+        """ Memif create with non-default socket filename """
+
+        memif_sockets = []
+        # existing path
+        memif_sockets.append(
+            VppSocketFilename(
+                self, 1, b"%s/memif1.sock" % six.ensure_binary(
+                    self.tempdir, encoding='utf-8')))
+        # default path (test tempdir)
+        memif_sockets.append(
+            VppSocketFilename(
+                self,
+                2,
+                b"memif2.sock",
+                add_default_folder=True))
+        # create new folder in default folder
+        memif_sockets.append(
+            VppSocketFilename(
+                self,
+                3,
+                b"sock/memif3.sock",
+                add_default_folder=True))
+
+        memif = VppMemif(self, MEMIF_ROLE.SLAVE, MEMIF_MODE.ETHERNET)
+
+        for sock in memif_sockets:
+            sock.add_vpp_config()
+            memif.socket_id = sock.socket_id
+            memif.role = MEMIF_ROLE.SLAVE
+            self._create_delete_test_one_interface(memif)
+            memif.role = MEMIF_ROLE.MASTER
+            self._create_delete_test_one_interface(memif)
+
+    def test_memif_connect(self):
+        """ Memif connect """
+        memif = VppMemif(self, MEMIF_ROLE.SLAVE,  MEMIF_MODE.ETHERNET,
+                         ring_size=1024, buffer_size=2048)
+
+        remote_socket = VppSocketFilename(self.remote_test, 1,
+                                          b"%s/memif.sock" % six.ensure_binary(
+                                              self.tempdir, encoding='utf-8'))
+        remote_socket.add_vpp_config()
+
+        remote_memif = VppMemif(self.remote_test, MEMIF_ROLE.MASTER,
+                                MEMIF_MODE.ETHERNET, socket_id=1,
+                                ring_size=1024, buffer_size=2048)
+
+        self._connect_test_interface_pair(memif, remote_memif)
+
+        memif.role = MEMIF_ROLE.MASTER
+        remote_memif.role = MEMIF_ROLE.SLAVE
+
+        self._connect_test_interface_pair(memif, remote_memif)
+
+    def _create_icmp(self, pg, memif, num):
+        pkts = []
+        for i in range(num):
+            pkt = (Ether(dst=pg.local_mac, src=pg.remote_mac) /
+                   IP(src=pg.remote_ip4, dst=memif.ip_prefix.address) /
+                   ICMP(id=memif.if_id, type='echo-request', seq=i))
+            pkts.append(pkt)
+        return pkts
+
+    def _verify_icmp(self, pg, memif, rx, seq):
+        ip = rx[IP]
+        self.assertEqual(ip.src, memif.ip_prefix.address)
+        self.assertEqual(ip.dst, pg.remote_ip4)
+        self.assertEqual(ip.proto, 1)
+        icmp = rx[ICMP]
+        self.assertEqual(icmp.type, 0)  # echo-reply
+        self.assertEqual(icmp.id, memif.if_id)
+        self.assertEqual(icmp.seq, seq)
+
+    def test_memif_ping(self):
+        """ Memif ping """
+
+        memif = VppMemif(self, MEMIF_ROLE.SLAVE,  MEMIF_MODE.ETHERNET)
+
+        remote_socket = VppSocketFilename(self.remote_test, 1,
+                                          b"%s/memif.sock" % six.ensure_binary(
+                                              self.tempdir, encoding='utf-8'))
+        remote_socket.add_vpp_config()
+
+        remote_memif = VppMemif(self.remote_test, MEMIF_ROLE.MASTER,
+                                MEMIF_MODE.ETHERNET, socket_id=1)
+
+        memif.add_vpp_config()
+        memif.config_ip4()
+        memif.admin_up()
+
+        remote_memif.add_vpp_config()
+        remote_memif.config_ip4()
+        remote_memif.admin_up()
+
+        self.assertTrue(memif.wait_for_link_up(5))
+        self.assertTrue(remote_memif.wait_for_link_up(5))
+
+        # add routing to remote vpp
+        route = VppIpRoute(self.remote_test, self.pg0._local_ip4_subnet, 24,
+                           [VppRoutePath(memif.ip_prefix.address, 0xffffffff)],
+                           register=False)
+
+        route.add_vpp_config()
+
+        # create ICMP echo-request from local pg to remote memif
+        packet_num = 10
+        pkts = self._create_icmp(self.pg0, remote_memif, packet_num)
+
+        self.pg0.add_stream(pkts)
+        self.pg_enable_capture(self.pg_interfaces)
+        self.pg_start()
+        capture = self.pg0.get_capture(packet_num, timeout=2)
+        seq = 0
+        for c in capture:
+            self._verify_icmp(self.pg0, remote_memif, c, seq)
+            seq += 1
+
+        route.remove_vpp_config()
+
+
+if __name__ == '__main__':
+    unittest.main(testRunner=VppTestRunner)