switch to py.test + pytest-cov

.travis.yml

@@ -55,6 +55,6 @@ install:
   - if [[ $TRAVIS_PYTHON_VERSION == '3.5' ]]; then export PYVER=py35; fi
   - if [[ $TRAVIS_PYTHON_VERSION == '3.6' ]]; then export PYVER=py36; fi
 
-script: COMMAND='coverage run' tox -e$TOXENV
+script: tox -e$TOXENV -- --cov  # positional args ({posargs}) to pass into tox.ini
 
 after_success: codecov

requirements-test.txt

@@ -0,0 +1,2 @@
+pytest==3.3.1
+pytest-django==3.1.2

runtests.py

@@ -1,41 +0,0 @@
-#!/usr/bin/env python
-
-import os, sys
-
-from django.conf import settings
-import django
-
-DEFAULT_SETTINGS = dict(
-    INSTALLED_APPS=(
-        'model_utils',
-        'tests',
-    ),
-    DATABASES={
-        "default": {
-            "ENGINE": "django.db.backends.sqlite3"
-        }
-    },
-    SILENCED_SYSTEM_CHECKS=["1_7.W001"],
-)
-
-
-def runtests():
-    if not settings.configured:
-        settings.configure(**DEFAULT_SETTINGS)
-
-    django.setup()
-
-    parent = os.path.dirname(os.path.abspath(__file__))
-    sys.path.insert(0, parent)
-
-    from django.test.runner import DiscoverRunner
-    runner_class = DiscoverRunner
-    test_args = ['tests']
-
-    failures = runner_class(
-        verbosity=1, interactive=True, failfast=False).run_tests(test_args)
-    sys.exit(failures)
-
-
-if __name__ == '__main__':
-    runtests()

setup.cfg

@@ -3,5 +3,9 @@ source-dir = docs/
 build-dir = docs/_build
 all_files = 1
 
+[tool:pytest]
+django_find_project = false
+DJANGO_SETTINGS_MODULE = tests.settings
+
 [wheel]
 universal = 1

tests/settings.py

@@ -0,0 +1,10 @@
+INSTALLED_APPS = (
+    'model_utils',
+    'tests',
+)
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.sqlite3'
+    }
+}
+SECRET_KEY = 'dummy'

tox.ini

@@ -7,7 +7,6 @@ envlist =
 
 [testenv]
 deps =
-    coverage == 3.6
     django18: Django>=1.8,<1.9
     django19: Django>=1.9,<1.10
     django110: Django>=1.10,<1.11
@@ -15,5 +14,9 @@ deps =
     django200: Django>=2.0,<2.1
     djangotrunk: https://github.com/django/django/tarball/master
     freezegun == 0.3.8
+    -rrequirements-test.txt
+    pytest-cov
 
-commands = {env:COMMAND:python} runtests.py
+commands =
+    pip install -e .
+    py.test {posargs}