.gitignore

@@ -3,3 +3,4 @@ __pycache__/
 *.sw*
 db.sqlite3
 membersystem/settings/local.py
+.pytest_cache

README.rst

@@ -9,3 +9,11 @@ To start developing:
     # Run this make target, which installs all the requirements and sets up a
     # development database.
     $ make dev-setup
+
+To run the Django development server:
+
+    $ python manage.py runserver
+
+Before you push your stuff, run tests:
+
+    $ make test

accounting/models.py

@@ -32,6 +32,7 @@ class Account(CreatedModifiedAbstract):
 
     owner = models.ForeignKey(get_user_model(), on_delete=models.PROTECT)
 
+    @property
     def balance(self):
         return self.transactions.all().aggregate(Sum('amount')).get('amount', 0)
 

accounting/tests.py

@@ -0,0 +1,16 @@
+import pytest
+from django.contrib.auth.models import User
+
+from . import models
+
+# @pytest.fixture
+# def test():
+# do stuff
+
+@pytest.mark.django_db
+def test_balance():
+    user = User.objects.create_user("test", "lala@adas.com", "1234")
+    account = models.Account.objects.create(
+        owner=user
+    )
+    assert account.balance == 0

pytest.ini

@@ -0,0 +1,5 @@
+[pytest]
+testpaths = .
+python_files = tests.py test_*.py *_tests.py
+DJANGO_SETTINGS_MODULE = membersystem.settings
+#norecursedirs = dist tmp* .svn .*

requirements_dev.txt

@@ -1,2 +1,3 @@
 pytest
+pytest-django
 pre-commit