diff --git a/src/mutations/transformAndValidateCart.js b/src/mutations/transformAndValidateCart.js
index d61f4d21305..544ea4ce836 100644
--- a/src/mutations/transformAndValidateCart.js
+++ b/src/mutations/transformAndValidateCart.js
@@ -14,7 +14,7 @@ const logCtx = { name: "cart", file: "transformAndValidateCart" };
  * @returns {undefined}
  */
 export default async function transformAndValidateCart(context, cart) {
-  const cartSchema = context.simpleSchemas.Cart;
+  const { simpleSchemas: { Cart: cartSchema } } = context;
   updateCartFulfillmentGroups(context, cart);
 
   let commonOrders;
diff --git a/src/mutations/transformAndValidateCart.test.js b/src/mutations/transformAndValidateCart.test.js
new file mode 100644
index 00000000000..aeb15921482
--- /dev/null
+++ b/src/mutations/transformAndValidateCart.test.js
@@ -0,0 +1,79 @@
+import mockContext from "@reactioncommerce/api-utils/tests/mockContext.js";
+import { Cart } from "../simpleSchemas.js";
+import transformAndValidateCart from "./transformAndValidateCart.js";
+
+mockContext.simpleSchemas = {};
+mockContext.simpleSchemas.Cart = Cart;
+
+const accountCart = {
+  _id: "cartId",
+  accountId: "accountId",
+  shopId: "shopId",
+  currencyCode: "currencyCode",
+  createdAt: new Date()
+};
+const expectedResult = { ...accountCart, shipping: [] };
+test("valid account cart", async () => {
+  await transformAndValidateCart(mockContext, accountCart);
+  expect(accountCart).toEqual(expectedResult);
+});
+
+
+const anonymousCart = {
+  _id: "cartId",
+  anonymousAccessToken: "anonymousAccessToken",
+  shopId: "shopId",
+  currencyCode: "currencyCode",
+  createdAt: new Date()
+};
+const expectedAnonymousResult = { ...anonymousCart, shipping: [] };
+test("valid anonymous cart", async () => {
+  await transformAndValidateCart(mockContext, anonymousCart);
+  expect(anonymousCart).toEqual(expectedAnonymousResult);
+});
+
+
+const accountCartNoShopId = {
+  _id: "cartId",
+  accountId: "accountId",
+  currencyCode: "currencyCode",
+  createdAt: new Date()
+};
+test("invalid account cart - no shopId", async () => {
+  try {
+    await transformAndValidateCart(mockContext, accountCartNoShopId);
+  } catch (error) {
+    expect(error.details[0].message).toEqual("Cart ShopId is required");
+  }
+});
+
+
+const accountCartNoCurrencyCode = {
+  _id: "cartId",
+  accountId: "accountId",
+  shopId: "shopId",
+  createdAt: new Date()
+};
+test("invalid account cart - no currency code", async () => {
+  try {
+    await transformAndValidateCart(mockContext, accountCartNoCurrencyCode);
+  } catch (error) {
+    expect(error.details[0].message).toEqual("Currency code is required");
+  }
+});
+
+
+const accountCartInvalidDate = {
+  _id: "cartId",
+  accountId: "accountId",
+  shopId: "shopId",
+  currencyCode: "currencyCode",
+  createdAt: "date"
+};
+test("invalid account cart - invalid date format", async () => {
+  try {
+    await transformAndValidateCart(mockContext, accountCartInvalidDate);
+  } catch (error) {
+    expect(error.details[0].message).toEqual("Created at must be of type Date");
+  }
+});