diff --git a/tests/api/test_stuff.py b/tests/api/test_stuff.py
index 0e703dd..ba4bab4 100644
--- a/tests/api/test_stuff.py
+++ b/tests/api/test_stuff.py
@@ -1,3 +1,4 @@
+from uuid import UUID
 import pytest
 from fastapi import status
 from httpx import AsyncClient
@@ -6,5 +7,92 @@ from httpx import AsyncClient
 pytestmark = pytest.mark.asyncio
 
 
-async def test_add_stuff(client: AsyncClient):
-    assert True
+@pytest.mark.parametrize(
+    "payload, status_code",
+    (
+        (
+            {
+                "name": "motorhead",
+                "description": "we play rock and roll"
+            },
+            status.HTTP_201_CREATED,
+        ),
+    ),
+)
+async def test_add_configuration(client: AsyncClient, payload: dict, status_code: int):
+    response = await client.post("/v1/", json=payload)
+    assert response.status_code == status_code
+    assert payload["name"] == response.json()["name"]
+
+
+@pytest.mark.parametrize(
+    "payload, status_code",
+    (
+        (
+            {
+                "name": "motorhead",
+                "description": "we play rock and roll"
+            },
+            status.HTTP_200_OK,
+        ),
+    ),
+)
+async def test_get_configuration(client: AsyncClient, payload: dict, status_code: int):
+    await client.post("/v1/", json=payload)
+    name = payload["name"]
+    response = await client.get(f"/v1/?name={name}")
+    assert response.status_code == status_code
+    assert payload["name"] == response.json()["name"]
+    assert UUID(response.json()["id"])
+
+
+@pytest.mark.parametrize(
+    "payload, status_code",
+    (
+        (
+            {
+                "name": "motorhead",
+                "description": "we play rock and roll"
+            },
+            status.HTTP_200_OK,
+        ),
+    ),
+)
+async def test_delete_configuration(client: AsyncClient, payload: dict, status_code: int):
+    response = await client.post("/v1/", json=payload)
+    stuff_id = response.json()["id"]
+    response = await client.delete(f"/v1/?stuff_id={stuff_id}")
+    assert response.status_code == status_code
+
+
+@pytest.mark.parametrize(
+    "payload, status_code",
+    (
+        (
+            {
+                "name": "motorhead",
+                "description": "we play rock and roll"
+            },
+            status.HTTP_200_OK,
+        ),
+    ),
+)
+@pytest.mark.parametrize(
+    "patch_payload, patch_status_code",
+    (
+        (
+            {
+                "name": "motorhead",
+                "description": "we play loud"
+            },
+            status.HTTP_200_OK,
+        ),
+    ),
+)
+async def test_update_configuration(client: AsyncClient, payload: dict, status_code: int, patch_payload: dict, patch_status_code: int):
+    await client.post("/v1/", json=payload)
+    name = payload["name"]
+    response = await client.patch(f"/v1/?name={name}", json=patch_payload)
+    assert response.status_code == patch_status_code
+    response = await client.get(f"/v1/?name={name}")
+    assert patch_payload["description"] == response.json()["description"]
diff --git a/tests/conftest.py b/tests/conftest.py
index 8682e7d..2d48f1c 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -8,12 +8,14 @@ from sqlalchemy.exc import SQLAlchemyError
 
 from the_app.main import app
 from the_app import config
-from the_app.database import get_db, engine
+from the_app.database import get_db
 from the_app.models.base import Base
 
+from sqlalchemy.pool import NullPool
+
 global_settings = config.get_settings()
 url = global_settings.asyncpg_test_url
-engine = create_async_engine(url)
+engine = create_async_engine(url, poolclass=NullPool)
 
 async_session = sessionmaker(engine, expire_on_commit=False, class_=AsyncSession)
 
diff --git a/the_app/api/stuff.py b/the_app/api/stuff.py
index 05df710..e8284b6 100644
--- a/the_app/api/stuff.py
+++ b/the_app/api/stuff.py
@@ -1,6 +1,6 @@
 from uuid import UUID
 
-from fastapi import APIRouter, Depends
+from fastapi import APIRouter, Depends, status
 from sqlalchemy.ext.asyncio import AsyncSession
 
 from the_app.database import get_db
@@ -10,7 +10,7 @@ from the_app.schemas.stuff import StuffResponse, StuffSchema
 router = APIRouter()
 
 
-@router.post("/", response_model=StuffResponse)
+@router.post("/", status_code=status.HTTP_201_CREATED)
 async def create_stuff(stuff: StuffSchema, db_session: AsyncSession = Depends(get_db)):
     stuff_id = await Stuff.create(db_session, stuff)
     return {**stuff.dict(), "id": stuff_id}
diff --git a/the_app/models/base.py b/the_app/models/base.py
index bf4d2ba..09b6e26 100644
--- a/the_app/models/base.py
+++ b/the_app/models/base.py
@@ -3,6 +3,8 @@ from typing import Any
 from sqlalchemy.exc import SQLAlchemyError
 from sqlalchemy.ext.asyncio import AsyncSession
 from sqlalchemy.ext.declarative import as_declarative, declared_attr
+from fastapi import HTTPException, status
+from icecream import ic
 
 
 @as_declarative()
@@ -19,5 +21,6 @@ class Base:
             db_session.add(self)
             return await db_session.commit()
         except SQLAlchemyError as ex:
-            print(f"Have to rollback, save failed: {ex}")
-            raise
+            ic("Have to rollback, save failed:")
+            ic(ex)
+            raise HTTPException(status_code=status.HTTP_422_UNPROCESSABLE_ENTITY, detail=ex.__str__())
diff --git a/the_app/models/stuff.py b/the_app/models/stuff.py
index 73171eb..5b3c72b 100644
--- a/the_app/models/stuff.py
+++ b/the_app/models/stuff.py
@@ -12,7 +12,7 @@ class Stuff(Base):
     __tablename__ = "stuff"
     id = Column(UUID(as_uuid=True), unique=True, default=uuid.uuid4, autoincrement=True)
     name = Column(String, nullable=False, primary_key=True, unique=True)
-    description = Column(String, nullable=False, unique=True)
+    description = Column(String, nullable=False)
 
     def __init__(self, name: str, description: str):
         self.name = name