Improve tests a bit

.travis.yml

@@ -0,0 +1,9 @@
+language: python
+python:
+    - "2.6"
+    - "2.7"
+    - "3.2"
+    - "3.3"
+    - "pypy"
+install: python setup.py install
+script: python tests.py

setup.py

@@ -1,6 +1,13 @@
 import os
 from setuptools import setup
 
+try:
+    from collections import OrderedDict  # noqa
+    requirements = []
+except ImportError:
+    requirements = ['ordereddict']
+
+
 def get_docs():
     result = []
     in_docs = False
@@ -29,6 +36,7 @@ def get_docs():
     long_description=get_docs(),
     zip_safe=False,
     test_suite='tests',
+    install_requires=requirements,
     classifiers=[
         'License :: OSI Approved :: BSD License',
         'Programming Language :: PHP',

tests.py

@@ -1,5 +1,11 @@
 # -*- coding: utf-8 -*-
 import unittest
+
+try:
+    from collections import OrderedDict
+except ImportError:
+    from ordereddict import OrderedDict
+
 import phpserialize
 
 
@@ -32,8 +38,9 @@ def test_dumps_tuple(self):
                          b'a:3:{i:0;i:7;i:1;i:8;i:2;i:9;}')
 
     def test_dumps_dict(self):
-        self.assertEqual(phpserialize.dumps({'a': 1, 'b': 2, 'c': 3}),
-                         b'a:3:{s:1:"a";i:1;s:1:"c";i:3;s:1:"b";i:2;}')
+        self.assertEqual(
+            phpserialize.dumps(OrderedDict([('a', 1), ('b', 2), ('c', 3)])),
+            b'a:3:{s:1:"a";i:1;s:1:"b";i:2;s:1:"c";i:3;}')
 
     def test_loads_dict(self):
         self.assertEqual(phpserialize.loads(b'a:3:{s:1:"a";i:1;s:1:"c";i:3;s:1:"b";i:2;}',
@@ -48,8 +55,9 @@ def test_loads_binary(self):
                          b'\001\002\003')
 
     def test_dumps_and_loads_dict(self):
-        self.assertEqual(phpserialize.loads(phpserialize.dumps({'a': 1, 'b': 2, 'c': 3}),
-                         decode_strings=True), {'a': 1, 'b': 2, 'c': 3})
+        payload = {'a': 1, 'b': 2, 'c': 3}
+        self.assertEqual(phpserialize.loads(phpserialize.dumps(payload),
+                         decode_strings=True), payload)
 
     def test_list_roundtrips(self):
         x = phpserialize.loads(phpserialize.dumps(list(range(2))))