Dunitz/db setup (#1619)

* initial database setup

server/test/test_database/test_database.py

@@ -0,0 +1,34 @@
+import unittest
+from server.db.cellxgene_orm import CellxGeneUser, CellxGeneDataset, Annotation
+from server.db.db_utils import DbUtils
+from server.test.fixtures.database import TestDatabase
+
+
+class AppConfigTest(unittest.TestCase):
+    db = DbUtils("postgresql://postgres:test_pw@localhost:5432")
+
+    @classmethod
+    def setUpClass(cls) -> None:
+        TestDatabase()
+
+    @classmethod
+    def tearDownClass(cls) -> None:
+        del cls.db
+
+    def test_user_creation(self):
+        one_user = self.db.get(table=CellxGeneUser, entity_id='test_user_id')
+        self.assertEqual(one_user.id, 'test_user_id')
+        user_count = self.db.session.query(CellxGeneUser).count()
+        self.assertGreater(user_count, 10)
+
+    def test_dataset_creation(self):
+        one_dataset = self.db.get(table=CellxGeneDataset, entity_id='test_dataset_id')
+        self.assertEqual(one_dataset.id, 'test_dataset_id')
+        dataset_count = self.db.session.query(CellxGeneDataset).count()
+        self.assertGreater(dataset_count, 10)
+
+    def test_annotation_creation(self):
+        one_annotation = self.db.get(table=Annotation, entity_id='test_annotation_id')
+        self.assertEqual(one_annotation.id, 'test_annotation_id')
+        annotation_count = self.db.session.query(Annotation).count()
+        self.assertGreater(annotation_count, 10)