Atempt to create model factories

tests/videodinges/factories.py

@@ -0,0 +1,40 @@
+""" Module generating useful models in 1 place """
+import tempfile
+from typing import Type, TypeVar
+
+from django.core.files.uploadedfile import SimpleUploadedFile
+import django.db.models
+from django.test import override_settings
+
+from videodinges import models
+
+T = TypeVar('T', bound=django.db.models.Model)
+
+
+def create(model: Type[T], **kwargs) -> T:
+	if model is models.Video:
+		return models.Video.objects.create(**{**dict(title='Title', slug='slug', description='Description'), **kwargs})
+
+	if model is models.Transcoding:
+		video = create(models.Video, title='Title', slug='slug', description='Description')
+		return models.Transcoding.objects.create(
+			**{
+				**dict(
+					video=video,
+					quality=models.qualities[0].name,
+					type=str(models.transcoding_types[0]),
+					url='https://some_url',
+				),
+				**kwargs
+			}
+		)
+
+	if model is models.Upload:
+		return _upload(**kwargs)
+
+@override_settings(MEDIA_ROOT=tempfile.mkdtemp())
+def _upload(**kwargs):
+	return models.Upload.objects.create(**{**dict(file=SimpleUploadedFile('some_file.txt', b'some contents')), **kwargs})
+
+
+# TODO fix annoying dict notation to something more gentle.

tests/videodinges/test_factories/test_transcoding.py

@@ -0,0 +1,12 @@
+from django.test import TestCase
+from videodinges.models import Transcoding
+from tests.videodinges import factories
+from datetime import datetime
+
+class TranscodingTestCase(TestCase):
+	def test_factory_returns_model(self):
+		transcoding = factories.create(Transcoding)
+		self.assertEqual(transcoding.video.slug, 'slug')
+		self.assertEqual(transcoding.quality, '360p')
+		self.assertEqual(transcoding.type, 'video/webm')
+		self.assertEqual(transcoding.url, 'https://some_url')

tests/videodinges/test_factories/test_upload.py

@@ -0,0 +1,9 @@
+from django.test import TestCase
+
+from tests.videodinges import factories
+from videodinges.models import Upload
+
+class UploadTestCase(TestCase):
+	def test_model_is_created(self):
+		upload = factories.create(Upload)
+		self.assertEqual(upload.file.name, 'some_file.txt')

tests/videodinges/test_factories/test_video.py

@@ -0,0 +1,13 @@
+from django.test import TestCase
+from videodinges.models import Video
+from tests.videodinges import factories
+from datetime import datetime
+
+class VideoTestCase(TestCase):
+	def test_factory_returns_model(self):
+		video = factories.create(Video)
+		self.assertEqual(video.slug, 'slug')
+		self.assertEqual(video.title, 'Title')
+		self.assertEqual(video.description, 'Description')
+		self.assertIsInstance(video.created_at, datetime)
+		self.assertIsInstance(video.updated_at, datetime)