Add unittests for ganeti.serializer

Reviewed-by: iustinp

Makefile.am

@@ -171,6 +171,7 @@ dist_TESTS = \
 	test/ganeti.bdev_unittest.py \
 	test/ganeti.ssh_unittest.py \
 	test/ganeti.locking_unittest.py \
+	test/ganeti.serializer_unittest.py \
 	test/ganeti.constants_unittest.py
 
 nodist_TESTS =

test/ganeti.serializer_unittest.py

+#!/usr/bin/python
+#
+
+# Copyright (C) 2006, 2007, 2008 Google Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+# 0.0510-1301, USA.
+
+
+"""Script for unittesting the serializer module"""
+
+
+import unittest
+
+from ganeti import serializer
+
+
+class SimplejsonMock(object):
+  def dumps(self, data, indent=None):
+    return repr(data)
+
+  def loads(self, data):
+    return eval(data)
+
+
+class TestSerializer(unittest.TestCase):
+  """Serializer tests"""
+
+  _TESTDATA = [
+    "test",
+    255,
+    [1, 2, 3],
+    (1, 2, 3),
+    { 1: 2, "foo": "bar", },
+    ]
+
+  def setUp(self):
+    self._orig_simplejson = serializer.simplejson
+    serializer.simplejson = SimplejsonMock()
+
+  def tearDown(self):
+    serializer.simplejson = self._orig_simplejson
+
+  def testGeneric(self):
+    return self._TestSerializer(serializer.Dump, serializer.Load)
+
+  def testJson(self):
+    return self._TestSerializer(serializer.DumpJson, serializer.LoadJson)
+
+  def _TestSerializer(self, dump_fn, load_fn):
+    for data in self._TESTDATA:
+      self.failUnless(dump_fn(data).endswith("\n"))
+      self.failUnlessEqual(load_fn(dump_fn(data)), data)
+
+
+if __name__ == '__main__':
+  unittest.main()