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, 59 insertions, 0 deletions

diff --git a/tests/unit/lib/test_pack_utils.py b/tests/unit/lib/test_pack_utils.py
new file mode 100644
index 00000000..5bc99513
--- /dev/null
+++ b/tests/unit/lib/test_pack_utils.py
@@ -0,0 +1,59 @@
+# Copyright (C) 2012 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 unittest
+import six
+import struct
+
+from nose.tools import ok_, eq_
+
+from ryu.lib import pack_utils
+
+
+class TestMsgPackInto(unittest.TestCase):
+    """ Test case for msg_pack_into
+    """
+
+    def _test_msg_pack_into(self, offset_type='e'):
+        fmt = '!HH'
+        len_ = struct.calcsize(fmt)
+        buf = bytearray(len_)
+        offset = len_
+        arg1 = 1
+        arg2 = 2
+
+        if offset_type == 'l':
+            offset += 1
+        elif offset_type == 'g':
+            offset -= 1
+
+        pack_utils.msg_pack_into(fmt, buf, offset, arg1, arg2)
+
+        check_offset = len(buf) - len_
+        res = struct.unpack_from(fmt, six.binary_type(buf), check_offset)
+
+        eq_(arg1, res[0])
+        eq_(arg2, res[1])
+
+        return True
+
+    def test_msg_pack_into(self):
+        ok_(self._test_msg_pack_into())
+
+    def test_msg_pack_into_less(self):
+        ok_(self._test_msg_pack_into('l'))
+
+    def test_msg_pack_into_greater(self):
+        ok_(self._test_msg_pack_into('g'))