Add testing framework, no tests written yet

.coveragerc

+[run]
+source = private_storage

.travis.yml

+sudo: false
+language: python
+python:
+- '2.7'
+- '3.6'
+env:
+- DJANGO="django>=1.8.0,<1.9.0"
+- DJANGO="django>=1.9.0,<1.10.0"
+- DJANGO="django>=1.10.0,<1.11.0"
+- DJANGO="django>=1.11.0,<1.12.0"
+before_install:
+- pip install codecov
+install:
+- travis_retry pip install $DJANGO django-storages boto3 -e .
+script:
+- coverage run --rcfile=.coveragerc runtests.py
+after_success:
+- codecov
+branches:
+  only:
+  - master
+notifications:
+  email:
+    recipients:
+    - travis@edoburu.nl
+    on_success: never
+    on_failure: always
+  slack:
+    secure: WWNa4MHf50AOybB+XW9UKXCk/9Q8r++Jc4xTdEib43rj4odH9wxIaTRrzAbbpo3EO2gYuLgq6mMbaIZPD5l2UmgSnyuIbeYAAKIQblT+8XMamtXwnSS5j9vfBXYdj54rTlh+jKwEMW/JiQKl+SQpfQ2v1NMvYO63m89Ev9vXvcU=
+    on_success: never
+    on_failure: always

private_storage/tests/test_imports.py

+# Most pathetic test case ever, only see if all files are importable.
+# TODO: write real tests.
+import private_storage
+import private_storage.storage.files
+import private_storage.storage.s3boto3
+import private_storage.appconfig
+import private_storage.fields
+import private_storage.models
+import private_storage.permissions
+import private_storage.servers
+import private_storage.urls
+import private_storage.views

runtests.py

+#!/usr/bin/env python
+import sys
+import django
+from django.conf import settings, global_settings as default_settings
+from django.core.management import execute_from_command_line
+from os import path
+
+if not settings.configured:
+    module_root = path.dirname(path.realpath(__file__))
+
+    sys.path.insert(0, path.join(module_root, 'example'))
+
+    if django.VERSION >= (1, 8):
+        template_settings = dict(
+            TEMPLATES = [
+                {
+                    'BACKEND': 'django.template.backends.django.DjangoTemplates',
+                    'DIRS': (),
+                    'DEBUG': True,
+                    'OPTIONS': {
+                        'loaders': (
+                            'django.template.loaders.filesystem.Loader',
+                            'django.template.loaders.app_directories.Loader',
+                        ),
+                        'context_processors': (
+                            'django.template.context_processors.debug',
+                            'django.template.context_processors.i18n',
+                            'django.template.context_processors.media',
+                            'django.template.context_processors.request',
+                            'django.template.context_processors.static',
+                            'django.contrib.auth.context_processors.auth',
+                        ),
+                    },
+                },
+            ]
+        )
+    else:
+        template_settings = dict(
+            TEMPLATE_LOADERS = (
+                'django.template.loaders.app_directories.Loader',
+                'django.template.loaders.filesystem.Loader',
+            ),
+            TEMPLATE_CONTEXT_PROCESSORS = list(default_settings.TEMPLATE_CONTEXT_PROCESSORS) + [
+                'django.core.context_processors.request',
+            ],
+            TEMPLATE_DEBUG = True,
+        )
+
+    settings.configure(
+        DEBUG = False,  # will be False anyway by DjangoTestRunner.
+        DATABASES = {
+            'default': {
+                'ENGINE': 'django.db.backends.sqlite3',
+                'NAME': ':memory:'
+            }
+        },
+        INSTALLED_APPS = (
+            'private_storage',
+        ),
+        TEST_RUNNER = 'django.test.runner.DiscoverRunner',
+        AWS_PRIVATE_STORAGE_BUCKET_NAME='foobar',
+        **template_settings
+    )
+
+
+def runtests():
+    argv = sys.argv[:1] + ['test', 'private_storage'] + sys.argv[1:]
+    execute_from_command_line(argv)
+
+if __name__ == '__main__':
+    runtests()

tox.ini

+[tox]
+envlist=
+    py27-django{18,19,110,111},
+    py36-django{18,19,110,111},
+    # py36-django-dev,
+    coverage,
+
+[testenv]
+deps =
+    django-storages
+    boto3
+    django18: Django >= 1.8,<1.9
+    django19: Django >= 1.9,<1.10
+    django110: Django >= 1.10,<1.11
+    django111: Django >= 1.11,<1.12
+    django-dev: https://github.com/django/django/tarball/master
+commands=
+    python runtests.py
+
+[testenv:coverage]
+basepython=python3.6
+deps=
+    django==1.11
+    coverage
+commands=
+    coverage erase
+    coverage run --rcfile=.coveragerc runtests.py
+    coverage report