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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2011 OpenStack LLC.
# All Rights Reserved.
#
# 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 datetime
import unittest
import xmlrpclib
import StringIO
from openstack.common import jsonutils
class JSONUtilsTestCase(unittest.TestCase):
def test_dumps(self):
self.assertEqual(jsonutils.dumps({'a': 'b'}), '{"a": "b"}')
def test_loads(self):
self.assertEqual(jsonutils.loads('{"a": "b"}'), {'a': 'b'})
def test_load(self):
x = StringIO.StringIO('{"a": "b"}')
self.assertEqual(jsonutils.load(x), {'a': 'b'})
class ToPrimitiveTestCase(unittest.TestCase):
def test_list(self):
self.assertEquals(jsonutils.to_primitive([1, 2, 3]), [1, 2, 3])
def test_empty_list(self):
self.assertEquals(jsonutils.to_primitive([]), [])
def test_tuple(self):
self.assertEquals(jsonutils.to_primitive((1, 2, 3)), [1, 2, 3])
def test_dict(self):
self.assertEquals(jsonutils.to_primitive(dict(a=1, b=2, c=3)),
dict(a=1, b=2, c=3))
def test_empty_dict(self):
self.assertEquals(jsonutils.to_primitive({}), {})
def test_datetime(self):
x = datetime.datetime(1920, 2, 3, 4, 5, 6, 7)
self.assertEquals(jsonutils.to_primitive(x),
'1920-02-03T04:05:06.000007')
def test_DateTime(self):
x = xmlrpclib.DateTime()
x.decode("19710203T04:05:06")
self.assertEquals(jsonutils.to_primitive(x),
'1971-02-03T04:05:06.000000')
def test_iter(self):
class IterClass(object):
def __init__(self):
self.data = [1, 2, 3, 4, 5]
self.index = 0
def __iter__(self):
return self
def next(self):
if self.index == len(self.data):
raise StopIteration
self.index = self.index + 1
return self.data[self.index - 1]
x = IterClass()
self.assertEquals(jsonutils.to_primitive(x), [1, 2, 3, 4, 5])
def test_iteritems(self):
class IterItemsClass(object):
def __init__(self):
self.data = dict(a=1, b=2, c=3).items()
self.index = 0
def __iter__(self):
return self
def next(self):
if self.index == len(self.data):
raise StopIteration
self.index = self.index + 1
return self.data[self.index - 1]
x = IterItemsClass()
ordered = jsonutils.to_primitive(x)
ordered.sort()
self.assertEquals(ordered, [['a', 1], ['b', 2], ['c', 3]])
def test_instance(self):
class MysteryClass(object):
a = 10
def __init__(self):
self.b = 1
x = MysteryClass()
self.assertEquals(jsonutils.to_primitive(x, convert_instances=True),
dict(b=1))
self.assertEquals(jsonutils.to_primitive(x), x)
def test_typeerror(self):
x = bytearray # Class, not instance
self.assertEquals(jsonutils.to_primitive(x), u"<type 'bytearray'>")
def test_nasties(self):
def foo():
pass
x = [datetime, foo, dir]
ret = jsonutils.to_primitive(x)
self.assertEquals(len(ret), 3)
self.assertTrue(ret[0].startswith(u"<module 'datetime' from "))
self.assertTrue(ret[1].startswith('<function foo at 0x'))
self.assertEquals(ret[2], '<built-in function dir>')
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