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#!/usr/bin/python
# -*- coding: utf-8 -*-
from __future__ import absolute_import
import sys
from ..serialization import (registry, register, SerializerNotInstalled,
raw_encode, register_yaml, register_msgpack,
decode, bytes_type, pickle,
unregister, register_pickle)
from .utils import unittest
from .utils import mask_modules, skip_if_not_module
# For content_encoding tests
unicode_string = u'abcdé\u8463'
unicode_string_as_utf8 = unicode_string.encode('utf-8')
latin_string = u'abcdé'
latin_string_as_latin1 = latin_string.encode('latin-1')
latin_string_as_utf8 = latin_string.encode('utf-8')
# For serialization tests
py_data = {"string": "The quick brown fox jumps over the lazy dog",
"int": 10,
"float": 3.14159265,
"unicode": u"Thé quick brown fox jumps over thé lazy dog",
"list": ["george", "jerry", "elaine", "cosmo"],
}
# JSON serialization tests
json_data = ('{"int": 10, "float": 3.1415926500000002, '
'"list": ["george", "jerry", "elaine", "cosmo"], '
'"string": "The quick brown fox jumps over the lazy '
'dog", "unicode": "Th\\u00e9 quick brown fox jumps over '
'th\\u00e9 lazy dog"}')
# Pickle serialization tests
pickle_data = pickle.dumps(py_data)
# YAML serialization tests
yaml_data = ('float: 3.1415926500000002\nint: 10\n'
'list: [george, jerry, elaine, cosmo]\n'
'string: The quick brown fox jumps over the lazy dog\n'
'unicode: "Th\\xE9 quick brown fox '
'jumps over th\\xE9 lazy dog"\n')
msgpack_py_data = dict(py_data)
# msgpack only supports tuples
msgpack_py_data["list"] = tuple(msgpack_py_data["list"])
# Unicode chars are lost in transmit :(
msgpack_py_data["unicode"] = 'Th quick brown fox jumps over th lazy dog'
msgpack_data = ('\x85\xa3int\n\xa5float\xcb@\t!\xfbS\xc8\xd4\xf1\xa4list'
'\x94\xa6george\xa5jerry\xa6elaine\xa5cosmo\xa6string\xda'
'\x00+The quick brown fox jumps over the lazy dog\xa7unicode'
'\xda\x00)Th quick brown fox jumps over th lazy dog')
def say(m):
sys.stderr.write("%s\n" % (m, ))
class test_Serialization(unittest.TestCase):
def test_content_type_decoding(self):
self.assertEquals(unicode_string,
registry.decode(
unicode_string_as_utf8,
content_type='plain/text',
content_encoding='utf-8'))
self.assertEquals(latin_string,
registry.decode(
latin_string_as_latin1,
content_type='application/data',
content_encoding='latin-1'))
def test_content_type_binary(self):
self.assertIsInstance(registry.decode(unicode_string_as_utf8,
content_type='application/data',
content_encoding='binary'),
bytes_type)
self.assertEquals(unicode_string_as_utf8,
registry.decode(
unicode_string_as_utf8,
content_type='application/data',
content_encoding='binary'))
def test_content_type_encoding(self):
# Using the "raw" serializer
self.assertEquals(unicode_string_as_utf8,
registry.encode(
unicode_string, serializer="raw")[-1])
self.assertEquals(latin_string_as_utf8,
registry.encode(
latin_string, serializer="raw")[-1])
# And again w/o a specific serializer to check the
# code where we force unicode objects into a string.
self.assertEquals(unicode_string_as_utf8,
registry.encode(unicode_string)[-1])
self.assertEquals(latin_string_as_utf8,
registry.encode(latin_string)[-1])
def test_json_decode(self):
self.assertEquals(py_data,
registry.decode(
json_data,
content_type='application/json',
content_encoding='utf-8'))
def test_json_encode(self):
self.assertEquals(registry.decode(
registry.encode(py_data, serializer="json")[-1],
content_type='application/json',
content_encoding='utf-8'),
registry.decode(
json_data,
content_type='application/json',
content_encoding='utf-8'))
@skip_if_not_module('msgpack')
def test_msgpack_decode(self):
register_msgpack()
self.assertEquals(msgpack_py_data,
registry.decode(
msgpack_data,
content_type='application/x-msgpack',
content_encoding='binary'))
@skip_if_not_module('msgpack')
def test_msgpack_encode(self):
register_msgpack()
self.assertEquals(registry.decode(
registry.encode(msgpack_py_data, serializer="msgpack")[-1],
content_type='application/x-msgpack',
content_encoding='binary'),
registry.decode(
msgpack_data,
content_type='application/x-msgpack',
content_encoding='binary'))
@skip_if_not_module('yaml')
def test_yaml_decode(self):
register_yaml()
self.assertEquals(py_data,
registry.decode(
yaml_data,
content_type='application/x-yaml',
content_encoding='utf-8'))
@skip_if_not_module('yaml')
def test_yaml_encode(self):
register_yaml()
self.assertEquals(registry.decode(
registry.encode(py_data, serializer="yaml")[-1],
content_type='application/x-yaml',
content_encoding='utf-8'),
registry.decode(
yaml_data,
content_type='application/x-yaml',
content_encoding='utf-8'))
def test_pickle_decode(self):
self.assertEquals(py_data,
registry.decode(
pickle_data,
content_type='application/x-python-serialize',
content_encoding='binary'))
def test_pickle_encode(self):
self.assertEquals(pickle_data,
registry.encode(py_data,
serializer="pickle")[-1])
def test_register(self):
register(None, None, None, None)
def test_unregister(self):
self.assertRaises(SerializerNotInstalled,
unregister, "nonexisting")
registry.encode("foo", serializer="pickle")
unregister("pickle")
self.assertRaises(SerializerNotInstalled,
registry.encode, "foo", serializer="pickle")
register_pickle()
def test_set_default_serializer_missing(self):
self.assertRaises(SerializerNotInstalled,
registry._set_default_serializer, "nonexisting")
def test_encode_missing(self):
self.assertRaises(SerializerNotInstalled,
registry.encode, "foo", serializer="nonexisting")
def test_raw_encode(self):
self.assertTupleEqual(raw_encode("foo".encode("utf-8")),
("application/data", "binary",
"foo".encode("utf-8")))
@mask_modules("yaml")
def test_register_yaml__no_yaml(self):
register_yaml()
self.assertRaises(SerializerNotInstalled,
decode, "foo", "application/x-yaml", "utf-8")
@mask_modules("msgpack")
def test_register_msgpack__no_msgpack(self):
register_msgpack()
self.assertRaises(SerializerNotInstalled,
decode, "foo", "application/x-msgpack", "utf-8")
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