chore: improve coverage

.coveragerc

@@ -5,3 +5,13 @@ exclude_lines =
 
     # Don't complain if tests don't hit defensive assertion code:
     raise NotImplementedError
+
+[run]
+omit =
+    # omit anything in a .local directory anywhere
+    */.idea/*
+    */src/*
+    */**/admin.py
+    */**/asgi.py
+    */**/wsgi.py
+    */**/celery.py

shop/tests/api/test_api_product_batches.py

@@ -92,3 +92,29 @@ class TestProductBatchesAPI(APITestCase, TestUserAuthenticationMixin):
         response = self.client.get(f"/api/v1/shop/product-batches/{pk}/")
         assert response.status_code == status.HTTP_200_OK
         assert Decimal(response.data.get("quantity")) == Decimal("10")
+
+    def test_create_delete_product_batch(self):
+        self.login()
+        self.create_product()
+        provider = self.create_provider()
+
+        response = self.client.post(
+            "/api/v1/shop/product-batches/",
+            {
+                "code": "B00001",
+                "product": self.product.pk,
+                "quantity": "5",
+                "provider": provider.pk,
+            },
+        )
+        assert response.status_code == status.HTTP_201_CREATED
+        pk = response.data.get("id")
+
+        response = self.client.get(f"/api/v1/shop/product-batches/{pk}/")
+        assert response.status_code == status.HTTP_200_OK
+
+        self.product.refresh_from_db()
+        assert self.product.stock == Decimal("5")
+
+        response = self.client.delete(f"/api/v1/shop/product-batches/{pk}/")
+        assert response.status_code == status.HTTP_204_NO_CONTENT