gnt_cluster.py: unit test for usermode helper
[ganeti-local] / test / py / ganeti.serializer_unittest.py
1 #!/usr/bin/python
2 #
3
4 # Copyright (C) 2006, 2007, 2008 Google Inc.
5 #
6 # This program is free software; you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation; either version 2 of the License, or
9 # (at your option) any later version.
10 #
11 # This program is distributed in the hope that it will be useful, but
12 # WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14 # General Public License for more details.
15 #
16 # You should have received a copy of the GNU General Public License
17 # along with this program; if not, write to the Free Software
18 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
19 # 02110-1301, USA.
20
21
22 """Script for unittesting the serializer module"""
23
24
25 import unittest
26
27 from ganeti import serializer
28 from ganeti import errors
29 from ganeti import ht
30
31 import testutils
32
33
34 class TestSerializer(testutils.GanetiTestCase):
35   """Serializer tests"""
36
37   _TESTDATA = [
38     "test",
39     255,
40     [1, 2, 3],
41     (1, 2, 3),
42     { "1": 2, "foo": "bar", },
43     ["abc", 1, 2, 3, 999,
44       {
45         "a1": ("Hello", "World"),
46         "a2": "This is only a test",
47         "a3": None,
48         },
49       {
50         "foo": "bar",
51         },
52       ]
53     ]
54
55   def _TestSerializer(self, dump_fn, load_fn):
56     for data in self._TESTDATA:
57       self.failUnless(dump_fn(data).endswith("\n"))
58       self.assertEqualValues(load_fn(dump_fn(data)), data)
59
60   def testGeneric(self):
61     self._TestSerializer(serializer.Dump, serializer.Load)
62
63   def testSignedGeneric(self):
64     self._TestSigned(serializer.DumpSigned, serializer.LoadSigned)
65
66   def testJson(self):
67     self._TestSerializer(serializer.DumpJson, serializer.LoadJson)
68
69   def testSignedJson(self):
70     self._TestSigned(serializer.DumpSignedJson, serializer.LoadSignedJson)
71
72   def _TestSigned(self, dump_fn, load_fn):
73     for data in self._TESTDATA:
74       self.assertEqualValues(load_fn(dump_fn(data, "mykey"), "mykey"),
75                              (data, ""))
76       self.assertEqualValues(load_fn(dump_fn(data, "myprivatekey",
77                                              salt="mysalt"),
78                                      "myprivatekey"),
79                              (data, "mysalt"))
80
81       keydict = {
82         "mykey_id": "myprivatekey",
83         }
84       self.assertEqualValues(load_fn(dump_fn(data, "myprivatekey",
85                                              salt="mysalt",
86                                              key_selector="mykey_id"),
87                                      keydict.get),
88                              (data, "mysalt"))
89       self.assertRaises(errors.SignatureError, load_fn,
90                         dump_fn(data, "myprivatekey",
91                                 salt="mysalt",
92                                 key_selector="mykey_id"),
93                         {}.get)
94
95     self.assertRaises(errors.SignatureError, load_fn,
96                       dump_fn("test", "myprivatekey"),
97                       "myotherkey")
98
99     self.assertRaises(errors.SignatureError, load_fn,
100                       serializer.DumpJson("This is a test"), "mykey")
101     self.assertRaises(errors.SignatureError, load_fn,
102                       serializer.DumpJson({}), "mykey")
103
104     # Message missing salt and HMAC
105     tdata = { "msg": "Foo", }
106     self.assertRaises(errors.SignatureError, load_fn,
107                       serializer.DumpJson(tdata), "mykey")
108
109
110 class TestLoadAndVerifyJson(unittest.TestCase):
111   def testNoJson(self):
112     self.assertRaises(errors.ParseError, serializer.LoadAndVerifyJson,
113                       "", NotImplemented)
114     self.assertRaises(errors.ParseError, serializer.LoadAndVerifyJson,
115                       "}", NotImplemented)
116
117   def testVerificationFails(self):
118     self.assertRaises(errors.ParseError, serializer.LoadAndVerifyJson,
119                       "{}", lambda _: False)
120
121     verify_fn = ht.TListOf(ht.TNonEmptyString)
122     try:
123       serializer.LoadAndVerifyJson("{}", verify_fn)
124     except errors.ParseError, err:
125       self.assertTrue(str(err).endswith(str(verify_fn)))
126     else:
127       self.fail("Exception not raised")
128
129   def testSuccess(self):
130     self.assertEqual(serializer.LoadAndVerifyJson("{}", ht.TAny), {})
131     self.assertEqual(serializer.LoadAndVerifyJson("\"Foo\"", ht.TAny), "Foo")
132
133
134 if __name__ == "__main__":
135   testutils.GanetiTestProgram()