diff --git a/creyPY/fastapi/testing_unit.py b/creyPY/fastapi/testing_unit.py
new file mode 100644
index 0000000..c010cbc
--- /dev/null
+++ b/creyPY/fastapi/testing_unit.py
@@ -0,0 +1,177 @@
+import json
+import unittest
+from typing import Type
+
+from httpx import ASGITransport, AsyncClient, Response
+from sqlalchemy import create_engine
+from sqlalchemy.ext.asyncio import create_async_engine
+from sqlalchemy_utils import create_database, database_exists, drop_database
+
+from creyPY.fastapi.models.base import Base
+
+
+class AbstractTestAPI(unittest.IsolatedAsyncioTestCase):
+    client: AsyncClient
+    default_headers: dict = {}
+
+    @classmethod
+    def setUpClass(cls, app, headers={}) -> None:
+        cls.client = AsyncClient(
+            transport=ASGITransport(app=app), base_url="http://testserver", follow_redirects=True
+        )
+        cls.default_headers = headers
+        print("setting up abstract")
+
+    @classmethod
+    def setup_database(cls, sync_db_url: str, async_db_url: str, base: Type[Base]):
+        cls.engine_s = create_engine(
+            sync_db_url,
+            echo=False,
+            pool_pre_ping=True,
+            connect_args={"sslmode": "require"},
+        )
+        if database_exists(cls.engine_s.url):
+            drop_database(cls.engine_s.url)
+        create_database(cls.engine_s.url)
+
+        # Migrate
+        base.metadata.create_all(cls.engine_s)
+
+        cls.engine = create_async_engine(
+            async_db_url,
+            echo=False,
+            pool_pre_ping=True,
+            connect_args={"sslmode": "require"},
+        )
+
+    async def get(self, url: str, r_code: int = 200, parse_json=True) -> dict | bytes:
+        re = await self.client.get(url, headers=self.default_headers)
+        if re.status_code != r_code:
+            print(re.content)
+        self.assertEqual(r_code, re.status_code)
+        return re.json() if parse_json else re.content
+
+    async def delete(self, url: str, r_code: int = 204) -> dict | None:
+        re = await self.client.delete(url, headers=self.default_headers)
+        if re.status_code != r_code:
+            print(re.content)
+        self.assertEqual(r_code, re.status_code)
+        return re.json() if r_code != 204 else None
+
+    async def post(
+        self, url: str, obj: dict | str = {}, r_code: int = 201, raw_response=False, *args, **kwargs
+    ):
+        re = await self.client.post(
+            url,
+            data=json.dumps(obj) if isinstance(obj, dict) else obj,
+            headers=self.default_headers | {"Content-Type": "application/json"},
+            *args,
+            **kwargs,
+        )
+        if re.status_code != r_code:
+            print(re.content)
+        if not raw_response:
+            self.assertEqual(r_code, re.status_code)
+        return re.json() if not raw_response else re
+
+    async def post_file(
+        self, url: str, file, r_code: int = 201, raw_response=False, *args, **kwargs
+    ) -> dict | bytes | Response:
+        re = await self.client.post(
+            url,
+            files={"file": file},
+            headers=self.default_headers,
+            *args,
+            **kwargs,
+        )
+        if re.status_code != r_code:
+            print(re.content)
+        self.assertEqual(r_code, re.status_code)
+        return re.json() if not raw_response else re
+
+    async def patch(
+        self, url: str, obj: dict | str = {}, r_code: int = 200, raw_response=False, *args, **kwargs
+    ) -> dict | bytes | Response:
+        re = await self.client.patch(
+            url,
+            data=json.dumps(obj) if isinstance(obj, dict) else obj,
+            headers=self.default_headers | {"Content-Type": "application/json"},
+            *args,
+            **kwargs,
+        )
+        if re.status_code != r_code:
+            print(re.content)
+        self.assertEqual(r_code, re.status_code)
+        return re.json() if not raw_response else re
+
+    async def put(
+        self, url: str, obj: dict | str = {}, r_code: int = 200, raw_response=False, *args, **kwargs
+    ) -> dict | bytes | Response:
+        re = await self.client.put(
+            url,
+            data=json.dumps(obj) if isinstance(obj, dict) else obj,
+            headers=self.default_headers
+            | {
+                "Content-Type": "application/json",
+                "accept": "application/json",
+            },
+            *args,
+            **kwargs,
+        )
+        if re.status_code != r_code:
+            print(re.content)
+        self.assertEqual(r_code, re.status_code)
+        return re.json() if not raw_response else re
+
+    async def obj_lifecycle(
+        self,
+        input_obj: dict,
+        url: str,
+        pagination: bool = True,
+        id_field: str = "id",
+        created_at_check: bool = True,
+    ):
+        # GET LIST
+        re = await self.get(url)
+        if pagination:
+            self.assertEqual(re["total"], 0)
+            self.assertEqual(len(re["results"]), 0)
+        else:
+            self.assertEqual(len(re), 0)
+
+        # CREATE
+        re = await self.post(url, obj=input_obj)
+        self.assertIn(id_field, re)
+        self.assertIsNotNone(re[id_field])
+
+        if created_at_check:
+            self.assertIn("created_at", re)
+            self.assertIsNotNone(re["created_at"])
+
+        obj_id = str(re[id_field])
+
+        # GET
+        re = await self.get(f"{url}{obj_id}/")
+        self.assertEqual(re[id_field], obj_id)
+
+        # GET LIST
+        re = await self.get(url)
+        if pagination:
+            self.assertEqual(re["total"], 1)
+            self.assertEqual(len(re["results"]), 1)
+        else:
+            self.assertEqual(len(re), 1)
+
+        # DELETE
+        await self.delete(f"{url}{obj_id}")
+
+        # GET LIST
+        re = await self.get(url)
+        if pagination:
+            self.assertEqual(re["total"], 0)
+            self.assertEqual(len(re["results"]), 0)
+        else:
+            self.assertEqual(len(re), 0)
+
+        # GET
+        await self.get(f"{url}{obj_id}", parse_json=False, r_code=404)