added first tests

.travis.yml

+language: python
+python:
+  - 2.7
+  - 3.3
+  - 3.4
+env:
+  - DJANGO=django==1.6.5
+  - DJANGO=https://www.djangoproject.com/download/1.7c2/tarball/
+install:
+  - pip install $DJANGO
+  - pip install requests
+  - python setup.py -q install
+script: python runtests.py
+notifications:
+  email: false
\ No newline at end of file

runtests.py

+import logging
+import os, sys
+import django
+
+DIRNAME = os.path.dirname(__file__)
+
+from django.conf import settings
+settings.configure(
+    DEBUG=False,
+    DATABASES={'default': {'ENGINE': 'django.db.backends.sqlite3', 'NAME': 'test.db', }},
+    TIME_ZONE='Europe/London',
+    USE_TZ=True,
+    ROOT_URLCONF='ucamlookup.urls',
+    INSTALLED_APPS=(
+        'django.contrib.auth',
+        'django.contrib.contenttypes',
+        'django.contrib.sessions',
+        'django.contrib.sites',
+        'django.contrib.messages',
+        'django.contrib.staticfiles',
+        'ucamlookup', ),
+    MIDDLEWARE_CLASSES=(
+        'django.contrib.sessions.middleware.SessionMiddleware',
+        'django.middleware.common.CommonMiddleware',
+        'django.middleware.csrf.CsrfViewMiddleware',
+        'django.contrib.auth.middleware.AuthenticationMiddleware',
+        'django.contrib.messages.middleware.MessageMiddleware',
+        'django.middleware.clickjacking.XFrameOptionsMiddleware',
+    ),
+)
+
+logging.basicConfig()
+
+if django.get_version().startswith('1.7'):
+    django.setup()
+    from django.test.runner import DiscoverRunner
+    test_runner = DiscoverRunner()
+elif django.get_version().startswith('1.6'):
+    from django.test.runner import DiscoverRunner
+    test_runner = DiscoverRunner()
+else:
+    from django.test.simple import DjangoTestSuiteRunner
+    test_runner = DjangoTestSuiteRunner(verbosity=1)
+
+failures = test_runner.run_tests(['ucamlookup', ])
+if failures:
+    sys.exit(failures)
\ No newline at end of file

setup.py

+#!/usr/bin/env python
+
+from distutils.core import setup
+from setuptools import find_packages
+
+setup(
+    name='django-ucamlookup',
+    description='A Django module for the University of Cambridge Lookup service',
+    long_description=open('README.rst').read(),
+    url='https://git.csx.cam.ac.uk/x/ucs/u/amc203/django-ucamlookup.git',
+    version='1.0',
+    license='MIT',
+    author='Information Systems Group, University Information Services, University of Cambridge',
+    author_email='information-systems@ucs.cam.ac.uk',
+    packages=find_packages(),
+    include_package_data=True,
+    install_requires=['django'],
+    classifiers=[
+        'Development Status :: 5 - Production/Stable',
+        'Environment :: Web Environment',
+        'Framework :: Django',
+        'Intended Audience :: Developers',
+        'License :: OSI Approved :: MIT License',
+        'Operating System :: OS Independent',
+        'Programming Language :: Python',
+    ],
+)
\ No newline at end of file

ucamlookup/tests.py

+from django.contrib.auth.models import User, Group
+from django.test import TestCase
+from ucamlookup import user_in_groups
+
+
+class UcamLookupTests(TestCase):
+
+    def test_get_or_create_user_or_group(self):
+        with self.assertRaises(User.DoesNotExist):
+            User.objects.get(username="amc203")
+        user1 = User.objects.create_user(username="amc203")
+        user2 = User.objects.get(username="amc203")
+        self.assertEqual(user1.id, user2.id)
+
+        with self.assertRaises(Group.DoesNotExist):
+            Group.objects.get(pk=101888)
+        group1 = Group.objects.create(pk=101888)
+        group2 = Group.objects.get(pk=101888)
+        self.assertEqual(group1.id, group2.id)
+
+    def test_user_in_groups(self):
+        amc203 = User.objects.create_user(username="amc203")
+        information_systems_group = Group.objects.create(pk=101888)
+        self.assertTrue(user_in_groups(amc203, [information_systems_group]))
+        finance_group = Group.objects.create(pk=101923)
+        self.assertFalse(user_in_groups(amc203, [finance_group]))
\ No newline at end of file