test: offer second fallback mastercard

functions/utils/best-card-finder.ts

@@ -87,7 +87,7 @@ async function getFirstFallbackIntlMastercard(accessToken: AccessToken): Promise
   try {
     return await getGiftCardById(fallbackIntlMastercardFirst.sku, accessToken);
   } catch (e) {
-    console.error(`Failed to load international US mastercard: ${JSON.stringify(fallbackIntlMastercardFirst)}`, e);
+    console.error(`Failed to load first fallback mastercard: ${JSON.stringify(fallbackIntlMastercardFirst)}`, e);
     return null;
   }
 }
@@ -96,7 +96,7 @@ async function getSecondFallbackIntlMastercard(accessToken: AccessToken): Promis
   try {
     return await getGiftCardById(fallbackIntlMastercardSecond.sku, accessToken);
   } catch (e) {
-    console.error(`Failed to load international US mastercard: ${JSON.stringify(fallbackIntlMastercardSecond)}`, e);
+    console.error(`Failed to load second fallback mastercard: ${JSON.stringify(fallbackIntlMastercardSecond)}`, e);
     return null;
   }
 }

tests/fixtures/get-best-card/card-18732-not-found.json

@@ -0,0 +1,8 @@
+{
+  "timeStamp": "2024-12-11 17:23:46",
+  "message": "The product was either not found or is no longer available, Please contact support",
+  "path": "/products/18732",
+  "errorCode": "PRODUCT_NOT_FOUND",
+  "infoLink": null,
+  "details": []
+}

tests/fixtures/get-best-card/no-card-kr.json

@@ -0,0 +1,8 @@
+{
+  "timeStamp": "2024-12-11 16:32:37",
+  "message": "No products were found for the given country code. For a list of valid country codes visit https://www.nationsonline.org/oneworld/country_code_list.htm",
+  "path": "/countries/KR/products",
+  "errorCode": null,
+  "infoLink": null,
+  "details": []
+}

tests/unit/get-best-card.test.ts

@@ -1,10 +1,15 @@
 import { parseEther } from "@ethersproject/units";
 import { createExecutionContext, waitOnExecutionContext } from "cloudflare:test";
+import { http, HttpResponse } from "msw";
 import { setupServer, SetupServerApi } from "msw/node";
 import { afterAll, afterEach, beforeAll, describe, expect, it } from "vitest";
 import { onRequest as pagesFunction } from "../../functions/get-best-card";
+import { RELOADLY_PRODUCTION_API_URL } from "../../functions/utils/shared";
 import bestCard from "../fixtures/get-best-card/best-card-sandbox.json";
+import card18597 from "../fixtures/get-best-card/card-18597.json";
 import card18732 from "../fixtures/get-best-card/card-18732.json";
+import card18732NotFound from "../fixtures/get-best-card/card-18732-not-found.json";
+import noCardKr from "../fixtures/get-best-card/no-card-kr.json";
 import { httpMocks } from "../fixtures/http-mocks";
 import { createEventContext, TESTS_BASE_URL } from "./shared-utils";
 
@@ -66,6 +71,33 @@ describe("Get best payment card", () => {
     expect(await response.json()).toEqual({ message: "There are no gift cards available." });
   });
 
+  it("should respond with fallbackMastercardSecond when other cards are unavailable", async () => {
+    try {
+      server.use(
+        ...[
+          http.get(`${RELOADLY_PRODUCTION_API_URL}/countries/KR/products`, () => {
+            return HttpResponse.json(noCardKr, { status: 404 });
+          }),
+          http.get(`${RELOADLY_PRODUCTION_API_URL}/products/18732`, () => {
+            return HttpResponse.json(card18732NotFound, { status: 404 });
+          }),
+          http.get(`${RELOADLY_PRODUCTION_API_URL}/products/18597`, () => {
+            return HttpResponse.json(card18597, { status: 200 });
+          }),
+        ]
+      );
+    } catch (e) {
+      console.log(`Error starting msw server: ${e}`);
+    }
+
+    const request = new Request(`${TESTS_BASE_URL}/get-best-card?country=KR&amount=${parseEther("50")}`);
+    const eventCtx = createEventContext(request, execContext);
+    const response = await pagesFunction(eventCtx);
+    await waitOnExecutionContext(execContext);
+    expect(await response.json()).toEqual(card18597);
+    expect(response.status).toBe(200);
+  });
+
   it("should respond with correct payment card for sandbox", async () => {
     const request = new Request(`${TESTS_BASE_URL}/get-best-card?country=US&amount=${parseEther("50")}`);
     const eventCtx = createEventContext(request, execContext, true);