diff --git a/app/tests/__init__.py b/app/tests/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/app/tests/test_user_info.py b/app/tests/test_user_info.py
new file mode 100644
index 0000000..67f52c4
--- /dev/null
+++ b/app/tests/test_user_info.py
@@ -0,0 +1,154 @@
+import random
+
+import pytest
+
+from main import app
+from schemas.api_schemas import *
+from schemas.base_schemas import *
+
+from httpx import AsyncClient, ASGITransport
+
+
+EXIST_USER = random.randint(100000000, 1000000000) 
+NON_EXIST_USER = random.randint(100000000, 1000000000)
+
+
+
+# TEST ADD USERS UTILS #
+
+@pytest.mark.asyncio
+async def test_add_user_non_full_data():
+    async with AsyncClient(transport=ASGITransport(app=app),
+                           base_url='http://test') as client:
+        end_point = "/add_user"
+        data = {
+            "user_id": EXIST_USER,
+            "username": "TestUsername",
+            }
+        raw_response = await client.post(url=end_point,json=data)
+        print(f"\nINPUT: endpiont={end_point} | params={data}\nOUTPUT: status={raw_response.status_code} | json={raw_response.json()}")
+
+        assert raw_response.status_code == 422
+
+@pytest.mark.asyncio
+async def test_add_user_negative_int_id():
+    async with AsyncClient(transport=ASGITransport(app=app),
+                           base_url='http://test') as client:
+        end_point = "/add_user"
+        data = {
+            "user_id": -1,
+            "username": "TestUsername",
+            "first_name": "FName",
+            "last_name": "LName",
+            "photo_url": "http://test.test/photo.jpg"
+            }
+        raw_response = await client.post(url=end_point,json=data)
+        print(f"\nINPUT: endpiont={end_point} | params={data}\nOUTPUT: status={raw_response.status_code} | json={raw_response.json()}")
+
+        assert raw_response.status_code == 422
+
+@pytest.mark.asyncio
+async def test_add_new_user():
+    async with AsyncClient(transport=ASGITransport(app=app),
+                           base_url='http://test') as client:
+        end_point = "/add_user"
+        data = {
+            "user_id": EXIST_USER,
+            "username": "TestUsername",
+            "first_name": "FName",
+            "last_name": "LName",
+            "photo_url": "http://test.test/photo.jpg"
+            }
+        raw_response = await client.post(url=end_point,json=data)
+        print(f"\nINPUT: endpiont={end_point} | params={data}\nOUTPUT: status={raw_response.status_code} | json={raw_response.json()}")
+
+        assert raw_response.status_code == 201
+        response = BaseResponse.model_validate(raw_response.json())
+        assert response.error == False
+        assert User.model_validate(response.result)
+
+@pytest.mark.asyncio
+async def test_add_already_exist_user():
+    async with AsyncClient(transport=ASGITransport(app=app),
+                           base_url='http://test') as client:
+        end_point = "/add_user"
+        data = {
+            "user_id": EXIST_USER,
+            "username": "TestUsername",
+            "first_name": "FName",
+            "last_name": "LName",
+            "photo_url": "http://test.test/photo.jpg"
+            }
+        raw_response = await client.post(url=end_point,json=data)
+        print(f"\nINPUT: endpiont={end_point} | params={data}\nOUTPUT: status={raw_response.status_code} | json={raw_response.json()}")
+
+        assert raw_response.status_code == 409
+        response = BaseResponse.model_validate(raw_response.json())
+        assert response.error == True
+        assert response.result == "User already exist"
+
+
+
+
+# TEST CHECK USERS UTILS #
+
+@pytest.mark.asyncio
+async def test_check_non_exist_user():
+    async with AsyncClient(transport=ASGITransport(app=app),
+                           base_url='http://test') as client:
+        end_point = "/check_user"
+        params = {"user_id": NON_EXIST_USER}
+        raw_response = await client.get(url=end_point, params=params)
+        print(f"\nINPUT: endpiont={end_point} | params={params}\nOUTPUT: status={raw_response.status_code} | json={raw_response.json()}")
+
+        assert raw_response.status_code == 200
+        response = BaseResponse.model_validate(raw_response.json())
+        assert response.error == False
+        assert response.result == False
+
+@pytest.mark.asyncio
+async def test_check_exist_user():
+    async with AsyncClient(transport=ASGITransport(app=app),
+                           base_url='http://test') as client:
+        end_point = "/check_user"
+        params = {"user_id": EXIST_USER}
+        raw_response = await client.get(url=end_point, params=params)
+        print(f"\nINPUT: endpiont={end_point} | params={params}\nOUTPUT: status={raw_response.status_code} | json={raw_response.json()}")
+
+        assert raw_response.status_code == 200
+        response = BaseResponse.model_validate(raw_response.json())
+        assert response.error == False
+        assert response.result == True
+
+
+
+
+# TEST GET USERS UTILS #
+
+@pytest.mark.asyncio
+async def test_get_non_exist_user():
+    async with AsyncClient(transport=ASGITransport(app=app),
+                           base_url='http://test') as client:
+        end_point = "/get_user"
+        params = {"user_id": NON_EXIST_USER}
+        raw_response = await client.get(url=end_point, params=params)
+        print(f"\nINPUT: endpiont={end_point} | params={params}\nOUTPUT: status={raw_response.status_code} | json={raw_response.json()}")
+
+        assert raw_response.status_code == 404
+        response = BaseResponse.model_validate(raw_response.json())
+        assert response.error == True 
+        assert response.result == "User doesn't exist"
+
+@pytest.mark.asyncio
+async def test_get_exist_user():
+    async with AsyncClient(transport=ASGITransport(app=app),
+                           base_url='http://test') as client:
+        end_point = "/get_user"
+        params = {"user_id": EXIST_USER}
+        raw_response = await client.get(url=end_point, params=params)
+        print(f"\nINPUT: endpiont={end_point} | params={params}\nOUTPUT: status={raw_response.status_code} | json={raw_response.json()}")
+
+        assert raw_response.status_code == 200
+        response = BaseResponse.model_validate(raw_response.json())
+        assert response.error == False 
+        assert User.model_validate(response.result)
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