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, 82 insertions, 0 deletions

diff --git a/tests/unit/packet/test_vxlan.py b/tests/unit/packet/test_vxlan.py
new file mode 100644
index 00000000..8cace581
--- /dev/null
+++ b/tests/unit/packet/test_vxlan.py
@@ -0,0 +1,82 @@
+# Copyright (C) 2016 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.
+
+import logging
+import unittest
+
+from nose.tools import eq_
+from nose.tools import raises
+
+from ryu.lib.packet import ethernet
+from ryu.lib.packet import vxlan
+
+
+LOG = logging.getLogger(__name__)
+
+
+class Test_vxlan(unittest.TestCase):
+    """
+    Test case for VXLAN (RFC 7348) header encoder/decoder class.
+    """
+
+    vni = 0x123456
+    buf = (
+        b'\x08\x00\x00\x00'  # flags = R|R|R|R|I|R|R|R (8 bits)
+        b'\x12\x34\x56\x00'  # vni = 0x123456 (24 bits)
+        b'test_payload'      # for test
+    )
+    pkt = vxlan.vxlan(vni)
+    jsondict = {
+        'vxlan': {
+            'vni': vni
+        }
+    }
+
+    def test_init(self):
+        eq_(self.vni, self.pkt.vni)
+
+    def test_parser(self):
+        parsed_pkt, next_proto_cls, rest_buf = vxlan.vxlan.parser(self.buf)
+        eq_(self.vni, parsed_pkt.vni)
+        eq_(ethernet.ethernet, next_proto_cls)
+        eq_(b'test_payload', rest_buf)
+
+    @raises(AssertionError)
+    def test_invalid_flags(self):
+        invalid_flags_bug = (
+            b'\x00\x00\x00\x00'  # all bits are set to zero
+            b'\x12\x34\x56\x00'  # vni = 0x123456 (24 bits)
+        )
+        vxlan.vxlan.parser(invalid_flags_bug)
+
+    def test_serialize(self):
+        serialized_buf = self.pkt.serialize(payload=None, prev=None)
+        eq_(self.buf[:vxlan.vxlan._MIN_LEN], serialized_buf)
+
+    def test_from_jsondict(self):
+        pkt_from_json = vxlan.vxlan.from_jsondict(
+            self.jsondict[vxlan.vxlan.__name__])
+        eq_(self.vni, pkt_from_json.vni)
+
+    def test_to_jsondict(self):
+        jsondict_from_pkt = self.pkt.to_jsondict()
+        eq_(self.jsondict, jsondict_from_pkt)
+
+    def test_vni_from_bin(self):
+        vni = vxlan.vni_from_bin(b'\x12\x34\x56')
+        eq_(self.vni, vni)
+
+    def test_vni_to_bin(self):
+        eq_(b'\x12\x34\x56', vxlan.vni_to_bin(self.vni))