tests: Separate test files from Ryu module

To prevent redundant files (e.g., pcap files, json files for tests,
packet data generator) to be installed, this patch separates test
directory from Ryu module.

Signed-off-by: IWASE Yusuke <iwase.yusuke0@gmail.com>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>

1 files changed, 64 insertions, 0 deletions

diff --git a/tests/unit/packet/test_openflow.py b/tests/unit/packet/test_openflow.py
new file mode 100644
index 00000000..b0dca25f
--- /dev/null
+++ b/tests/unit/packet/test_openflow.py
@@ -0,0 +1,64 @@
+# Copyright (C) 2017 Nippon Telegraph and Telephone Corporation.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from __future__ import print_function
+
+import logging
+import os
+import sys
+
+import unittest
+from nose.tools import eq_
+from nose.tools import ok_
+
+from ryu.lib import pcaplib
+from ryu.lib.packet import openflow
+from ryu.lib.packet import packet
+from ryu.utils import binary_str
+
+
+LOG = logging.getLogger(__name__)
+
+OPENFLOW_DATA_DIR = os.path.join(
+    os.path.dirname(sys.modules[__name__].__file__),
+    '../../packet_data/pcap/')
+
+
+class Test_openflow(unittest.TestCase):
+    """
+    Test case for ryu.lib.packet.openflow.
+    """
+
+    def test_pcap(self):
+        files = [
+            'openflow_flowmod',
+            'openflow_flowstats_req',
+            'openflow_invalid_version',
+        ]
+
+        for f in files:
+            # print('*** testing %s ...' % f)
+            for _, buf in pcaplib.Reader(
+                    open(OPENFLOW_DATA_DIR + f + '.pcap', 'rb')):
+                # Checks if message can be parsed as expected.
+                pkt = packet.Packet(buf)
+                openflow_pkt = pkt.get_protocol(openflow.openflow)
+                ok_(isinstance(openflow_pkt, openflow.openflow),
+                    'Failed to parse OpenFlow message: %s' % pkt)
+
+                # Checks if message can be serialized as expected.
+                pkt.serialize()
+                eq_(buf, pkt.data,
+                    "b'%s' != b'%s'" % (binary_str(buf), binary_str(pkt.data)))