Rollen Chunk 5b: Auth-Routen initialisieren frische Datenbanken

src/app/api/auth/[...all]/route.test.ts

@@ -139,3 +139,32 @@ describe("Benutzerkonto (Chunk 4)", () => {
     expect(row?.email).toBe("neu@example.org");
   });
 });
+
+describe("frische Datenbank (Chunk 5)", () => {
+  test("Erstanlage ohne vorheriges Setup", async () => {
+    const { mkdtempSync, rmSync } = await import("node:fs");
+    const { tmpdir } = await import("node:os");
+    const { join } = await import("node:path");
+    const { closeDb } = await import("@/lib/db");
+    const dir = mkdtempSync(join(tmpdir(), "muz-frisch-"));
+    closeDb();
+    process.env.DATA_DIR = dir;
+    try {
+      const response = await POST(
+        new Request("http://localhost/api/auth/sign-up/email", {
+          method: "POST",
+          headers: { "content-type": "application/json" },
+          body: JSON.stringify({
+            name: "Frisch",
+            email: "frisch@example.org",
+            password: "geheim-geheim!",
+          }),
+        }),
+      );
+      expect(response.status).toBe(200);
+    } finally {
+      closeDb();
+      rmSync(dir, { recursive: true, force: true });
+    }
+  });
+});