Add tests/test_products.py

tests/test_products.py

@@ -0,0 +1,47 @@
+from decimal import Decimal
+from app.services import product_service
+from app.services import category_service
+from app.schemas.product import ProductCreate
+from app.schemas.category import CategoryCreate
+
+
+def test_create_and_get_product(db):
+    cat = category_service.create_category(db, CategoryCreate(name="Cat Test"))
+    prod = product_service.create_product(
+        db,
+        ProductCreate(
+            sku="SKU-001",
+            name="Producto Test",
+            price=Decimal("19.99"),
+            category_id=cat.id,
+        ),
+    )
+    assert prod.id is not None
+    assert prod.sku == "SKU-001"
+
+
+def test_low_stock_alert(db):
+    prod = product_service.create_product(
+        db,
+        ProductCreate(
+            sku="LOW-001",
+            name="Stock Bajo",
+            price=Decimal("5.00"),
+            min_stock=10,
+            current_stock=3,
+        ),
+    )
+    low = product_service.get_low_stock_products(db)
+    assert any(p.id == prod.id for p in low)
+
+
+def test_product_pagination(db):
+    for i in range(25):
+        product_service.create_product(
+            db,
+            ProductCreate(sku=f"SKU-{i}", name=f"Prod {i}", price=Decimal("1.00")),
+        )
+    page1 = product_service.get_products(db, skip=0, limit=10)
+    page2 = product_service.get_products(db, skip=10, limit=10)
+    assert len(page1) == 10
+    assert len(page2) == 10