full upgrade to dev

app/__tests__/api/sitemap.test.tsx

@@ -1,12 +1,38 @@
-jest.mock("next/server", () => ({
-  NextResponse: jest.fn().mockImplementation(function (body, init) {
-    // Use function and assign to `this` so `new NextResponse(...)` returns an instance with properties
+jest.mock("next/server", () => {
+  const mockNextResponse = function (
+    body: string | object,
+    init?: { headers?: Record<string, string> },
+  ) {
+    // Return an object that mimics NextResponse
+    const mockResponse = {
+      body,
+      init,
+      text: async () => {
+        if (typeof body === "string") {
+          return body;
+        } else if (body && typeof body === "object") {
+          return JSON.stringify(body);
+        }
+        return "";
+      },
+      json: async () => {
+        if (typeof body === "object") {
+          return body;
+        }
+        try {
+          return JSON.parse(body as string);
+        } catch {
+          return {};
+        }
+      },
+    };
+    return mockResponse;
+  };
 
-    this.body = body;
-
-    this.init = init;
-  }),
-}));
+  return {
+    NextResponse: mockNextResponse,
+  };
+});
 
 import { GET } from "@/app/api/sitemap/route";
 
@@ -81,18 +107,19 @@ describe("GET /api/sitemap", () => {
   it("should return a sitemap", async () => {
     const response = await GET();
 
-    expect(response.body).toContain(
+    // Get the body text from the NextResponse
+    const body = await response.text();
+
+    expect(body).toContain(
       '<urlset xmlns="https://www.sitemaps.org/schemas/sitemap/0.9">',
     );
-    expect(response.body).toContain("<loc>https://dki.one/</loc>");
-    expect(response.body).toContain("<loc>https://dki.one/legal-notice</loc>");
-    expect(response.body).toContain(
-      "<loc>https://dki.one/privacy-policy</loc>",
-    );
-    expect(response.body).toContain(
+    expect(body).toContain("<loc>https://dki.one/</loc>");
+    expect(body).toContain("<loc>https://dki.one/legal-notice</loc>");
+    expect(body).toContain("<loc>https://dki.one/privacy-policy</loc>");
+    expect(body).toContain(
       "<loc>https://dki.one/projects/just-doing-some-testing</loc>",
     );
-    expect(response.body).toContain(
+    expect(body).toContain(
       "<loc>https://dki.one/projects/blockchain-based-voting-system</loc>",
     );
     // Note: Headers are not available in test environment