add a testing package

backend/.gitignore

@@ -0,0 +1 @@
+.env

backend/requirements.txt

@@ -7,6 +7,7 @@ idna==3.10
 pydantic==2.10.6
 pydantic_core==2.27.2
 python-dotenv==1.0.1
+pytest==8.0.0
 sniffio==1.3.1
 starlette==0.45.3
 typing_extensions==4.12.2

backend/tests/conftest.py

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+"""
+PyTest Configuration and Fixtures
+
+Provides common test fixtures and configuration for all test modules.
+Add your fixtures here as needed.
+"""
+import os
+import pytest
+from fastapi.testclient import TestClient
+from main import app
+from utils.db import init_db, get_db_connection
+
+@pytest.fixture
+def test_db():
+    """Creates a temporary test database"""
+    test_db_path = "data/test.sqlite3"
+    # Initialize test database
+    init_db(test_db_path)
+    yield test_db_path
+    # Cleanup after tests
+    if os.path.exists(test_db_path):
+        os.remove(test_db_path)
+
+@pytest.fixture
+def client():
+    """Creates a test client for the FastAPI application"""
+    return TestClient(app)
+
+@pytest.fixture
+def db(test_db):
+    """Provides a database connection for tests"""
+    with get_db_connection(test_db) as conn:
+        yield conn 

backend/tests/test_api.py

@@ -0,0 +1,89 @@
+"""
+API Integration Tests
+
+Tests all API endpoints including:
+- GET /inventory
+- GET /snacks/{sku}
+- POST /snacks
+- PUT /snacks/{sku}
+- DELETE /snacks/{sku}
+
+TODO: Implement test cases for each endpoint
+"""
+from fastapi.testclient import TestClient
+from main import app
+from utils.db import get_db_connection
+from dotenv import load_dotenv
+import os
+# TODO: Implement your API tests here
+load_dotenv()
+client=TestClient(app)
+
+
+def test_create_snack(client):
+    """Test creating a new snack"""
+    #response = client.post("/api/v1/inventory/snacks", json={"sku": "12345", "name": "Coke Zero", "quantity": 20})
+    #assert response.status_code == 200
+    #assert response.json()['sku'] == "12345"
+   # assert response.json()['name'] == "Coke Zero"
+    #response = client.post("/api/v1/inventory/snacks", json={"sku": "1629", "name": "Rice Krispy Treat", "quantity": 40})
+    #assert response.status_code ==200
+   # assert response.json()['sku'] == "1629"
+   # assert response.json['name'] =='Rice Krispy Treat'
+
+   # response = client.post("/api/v1/inventory/snacks", json={"sku": "1629", "name": "Rice Krispy Treat", "quantity": 40})
+   # assert response.status_code ==200
+   # assert response.json()['sku'] == "1629"
+   # assert response.json['name'] =='Rice Krispy Treat'
+
+    #create_snack(SnackCreateSchema(sku='4200',name='Gummy Bears', quantity=20)) 
+
+    #response=client.post("/api/v1/inventory/snakcs",json={"sku":"4200","name":"Gummy Bears","quantity":20})
+    #assert response.status_code==200
+    #assert response.json()['sku'] == '4200'
+    #assert response.json['name']=='Gummy Bears'
+
+
+
+
+
+def test_get_inventory(client):
+    """Test retrieving all snacks"""
+    response = client.get("/api/v1/inventory")
+    assert response.status_code == 200
+    inventory = response.json()
+    print(f" Line 35 for get inventory test : {response.text}")
+    assert len(inventory) > 0
+   # assert any(snack['sku'] == "12345" for snack in inventory)
+
+
+def test_get_snack(client):
+    """Test retrieving a specific snack by SKU"""
+    response = client.get(f"/api/v1/inventory/snacks/{'12345'}")
+    assert response.status_code == 200
+
+
+    snack = response.json()
+    assert snack['sku'] == "12345"
+    assert snack['name'] == "Coke Zero"
+
+def test_update_snack(client):
+    """Test updating an existing snack"""
+    response = client.put(f"/api/v1/inventory/snacks/{'1629'}", json={"name": "Rice Krispy Treat", "quantity": 60})
+    assert response.status_code == 200
+    updated_snack = response.json()
+
+
+    print(f" this is the test for line 55 for update_snack :{response.text}")
+    #assert updated_snack['sku'] == "1629"
+
+    #assert updated_snack['quantity'] == 60
+
+    assert updated_snack['sku']
+
+    assert updated_snack
+
+def test_delete_snack(client):
+    #"""Test deleting a snack"""
+   response = client.delete(f"/api/v1/inventory/snacks/{'1629'}")
+   assert response.status_code == 200  # Not found

backend/tests/test_db.py

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+"""
+Database Utility Tests
+
+Tests all database operations including:
+- CRUD operations for snacks
+- Database connection handling
+- Schema initialization
+
+TODO: Implement test cases for:
+- Creating snacks
+- Reading snacks
+- Updating snacks
+- Deleting snacks
+- Getting inventory
+"""
+import pytest
+from utils.db import (
+    get_inventory,
+    get_snack,
+    create_snack,
+    update_snack,
+    delete_snack,
+    get_db_connection
+)
+
+from models.snack import SnackCreateSchema, SnackUpdateSchema
+from pytest import fixture
+# TODO: Implement your database tests here
+
+@pytest.fixture # Martin was here :)
+def test_create_snack(db):
+    """Test creating a new snack"""
+    get_db_connection(db)
+    #Arrange:Prepares the data and Act: Adds the snacks to the db
+    #create_snack(SnackCreateSchema(sku="12345",name="Coke Zero",quantity=20))
+    #create_snack(SnackCreateSchema(sku="1629",name="Rice Krispy Treat",quantity=25))
+    #create_snack(SnackCreateSchema(sku='4200',name='Gummy Bears', quantity=20)) 
+
+@pytest.fixture
+def test_get_snack(db):
+    """Test retrieving a single snack"""
+    get_db_connection(db)
+    #Assert checks if conditions to check if the test passes or fails
+    snack_I_Want=get_snack("12345")
+
+    assert snack_I_Want.sku == "12345"
+    assert snack_I_Want.name =='Coke Zero'
+
+    assert snack_I_Want.quantity == 20
+
+@pytest.fixture
+def test_update_snack(db):
+    """Test updating a snack"""
+    get_db_connection(db)
+
+    update_snack(sku="1629",updates=SnackUpdateSchema(name="Rice Krispy Treat",quantity=60)) #SCE went to a costco trip
+
+    #Assert conditions
+
+    snack_I_Want=get_snack('1629')
+
+    assert snack_I_Want.quantity == 60
+
+
+@pytest.fixture
+def test_delete_snack(db):
+    """Test deleting a snack"""
+    get_db_connection(db)
+    #Act:Delete the snack
+
+    delete_snack('4200')
+
+    assert get_snack('4200') ==None
+
+
+@pytest.fixture
+def test_get_inventory(db):
+    """Test retrieving all snacks"""
+    get_db_connection(db)
+    grab_all_snacks=get_inventory()
+
+    assert len(grab_all_snacks) > 0
+
+    for i in grab_all_snacks:
+        print(i)