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
Ticket: VPP-1754

Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
Change-Id: I503e6a43528e14981799b735fa65674155713f67
(cherry picked from commit a43c93f8554ad7418e31be3791b3fb71232f60ac)

2 files changed, 428 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..aae5b3c1efb
--- /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.ip4_addr) /
+                   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.ip4_addr)
+        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.ip4_addr, 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)
diff --git a/src/plugins/memif/test/vpp_memif.py b/src/plugins/memif/test/vpp_memif.py
new file mode 100644
index 00000000000..7fa45092740
--- /dev/null
+++ b/src/plugins/memif/test/vpp_memif.py
@@ -0,0 +1,153 @@
+import socket
+
+import six
+
+from vpp_object import VppObject
+
+
+class MEMIF_ROLE:
+    MASTER = 0
+    SLAVE = 1
+
+
+class MEMIF_MODE:
+    ETHERNET = 0
+    IP = 1
+    PUNT_INJECT = 2
+
+
+def get_if_dump(dump, sw_if_index):
+    for d in dump:
+        if (d.sw_if_index == sw_if_index):
+            return d
+
+
+def query_all_memif_vpp_config(_test):
+    return _test.vapi.memif_dump()
+
+
+def remove_all_memif_vpp_config(_test):
+    dump = _test.vapi.memif_dump()
+    for d in dump:
+        _test.vapi.memif_delete(d.sw_if_index)
+    dump = _test.vapi.memif_socket_filename_dump()
+    for d in dump:
+        if d.socket_id != 0:
+            _test.vapi.memif_socket_filename_add_del(
+                0, d.socket_id, d.socket_filename)
+
+
+class VppSocketFilename(VppObject):
+    def __init__(self, test, socket_id, socket_filename,
+                 add_default_folder=False):
+        self._test = test
+        self.socket_id = socket_id
+        self.socket_filename = socket_filename
+
+        # if True insert default socket folder before socket filename,
+        # after adding vpp config
+        self.add_default_folder = add_default_folder
+
+    def add_vpp_config(self):
+        rv = self._test.vapi.memif_socket_filename_add_del(
+            1, self.socket_id, self.socket_filename)
+        if self.add_default_folder:
+            self.socket_filename = b"%s/%s" % (
+                six.ensure_binary(self._test.tempdir, encoding='utf-8'),
+                self.socket_filename)
+        return rv
+
+    def remove_vpp_config(self):
+        return self._test.vapi.memif_socket_filename_add_del(
+            0, self.socket_id, self.socket_filename)
+
+    def query_vpp_config(self):
+        return self._test.vapi.memif_socket_filename_dump()
+
+    def object_id(self):
+        return "socket-filename-%d-%s" % (self.socket_id, self.socket_filename)
+
+
+class VppMemif(VppObject):
+    def __init__(self, test, role, mode, rx_queues=0, tx_queues=0, if_id=0,
+                 socket_id=0, secret="", ring_size=0, buffer_size=0,
+                 hw_addr=""):
+        self._test = test
+        self.role = role
+        self.mode = mode
+        self.rx_queues = rx_queues
+        self.tx_queues = tx_queues
+        self.if_id = if_id
+        self.socket_id = socket_id
+        self.secret = secret
+        self.ring_size = ring_size
+        self.buffer_size = buffer_size
+        self.hw_addr = hw_addr
+        self.sw_if_index = None
+        self.ip4_addr = "192.168.%d.%d" % (self.if_id + 1, self.role + 1)
+        self.ip4_addr_len = 24
+
+    def add_vpp_config(self):
+        rv = self._test.vapi.memif_create(
+            role=self.role,
+            mode=self.mode,
+            rx_queues=self.rx_queues,
+            tx_queues=self.tx_queues,
+            id=self.if_id,
+            socket_id=self.socket_id,
+            secret=self.secret,
+            ring_size=self.ring_size,
+            buffer_size=self.buffer_size,
+            hw_addr=self.hw_addr)
+        try:
+            self.sw_if_index = 0
+        except AttributeError:
+            raise AttributeError('self: %s' % self.__dict__)
+        try:
+            self.sw_if_index = rv.sw_if_index
+        except AttributeError:
+            raise AttributeError("%s %s", self, rv)
+
+        return self.sw_if_index
+
+    def admin_up(self):
+        if self.sw_if_index:
+            return self._test.vapi.sw_interface_set_flags(self.sw_if_index, 1)
+
+    def admin_down(self):
+        if self.sw_if_index:
+            return self._test.vapi.sw_interface_set_flags(self.sw_if_index, 0)
+
+    def wait_for_link_up(self, timeout, step=1):
+        if not self.sw_if_index:
+            return False
+        while True:
+            dump = self.query_vpp_config()
+            if dump.link_up_down == 1:
+                return True
+            self._test.sleep(step)
+            timeout -= step
+            if timeout <= 0:
+                return False
+
+    def config_ip4(self):
+        return self._test.vapi.sw_interface_add_del_address(
+            sw_if_index=self.sw_if_index, address=socket.inet_pton(
+                socket.AF_INET, self.ip4_addr),
+            address_length=self.ip4_addr_len)
+
+    def remove_vpp_config(self):
+        self._test.vapi.memif_delete(self.sw_if_index)
+        self.sw_if_index = None
+
+    def query_vpp_config(self):
+        if not self.sw_if_index:
+            return None
+        dump = self._test.vapi.memif_dump()
+        return get_if_dump(dump, self.sw_if_index)
+
+    def object_id(self):
+        if self.sw_if_index:
+            return "%d:%d:%d" % (self.role, self.if_id, self.sw_if_index)
+        else:
+            return "%d:%d:None" % (self.role, self.if_id)