add a test for ryu.lib.stringify

Signed-off-by: YAMAMOTO Takashi <yamamoto@valinux.co.jp>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>

ryu/tests/unit/lib/test_stringify.py

@@ -0,0 +1,70 @@
+#!/usr/bin/env python
+#
+# Copyright (C) 2013 Nippon Telegraph and Telephone Corporation.
+# Copyright (C) 2013 YAMAMOTO Takashi <yamamoto at valinux co jp>
+#
+# 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 base64
+import unittest
+from nose.tools import eq_
+
+from ryu.lib import stringify
+
+
+class C1(stringify.StringifyMixin):
+    def __init__(self, a, c):
+        print "init", a, c
+        self.a = a
+        self._b = 'B'
+        self.c = c
+
+
+class Test_stringify(unittest.TestCase):
+    """ Test case for ryu.lib.stringify
+    """
+
+    def setUp(self):
+        pass
+
+    def tearDown(self):
+        pass
+
+    def test_jsondict(self):
+        j = {'C1': {'a': 'QUFB', 'c': 'Q0ND'}}
+        eq_(j['C1']['a'], base64.b64encode('AAA'))
+        eq_(j['C1']['c'], base64.b64encode('CCC'))
+        c = C1(a='AAA', c='CCC')
+        c2 = C1.from_jsondict(j['C1'])
+        eq_(c.__class__, c2.__class__)
+        eq_(c.__dict__, c2.__dict__)
+        eq_(j, c.to_jsondict())
+
+    def test_jsondict2(self):
+        import string
+
+        def my_encode(x):
+            return string.lower(x)
+
+        def my_decode(x):
+            return string.upper(x)
+
+        j = {'C1': {'a': 'aaa', 'c': 'ccc'}}
+        eq_(j['C1']['a'], my_encode('AAA'))
+        eq_(j['C1']['c'], my_encode('CCC'))
+        c = C1(a='AAA', c='CCC')
+        c2 = C1.from_jsondict(j['C1'], decode_string=my_decode)
+        eq_(c.__class__, c2.__class__)
+        eq_(c.__dict__, c2.__dict__)
+        eq_(j, c.to_jsondict(encode_string=my_encode))