test(context): /api/v1/order-items/[id]/context route tests

Co-authored-by: Orca <help@stably.ai>

src/app/api/v1/order-items/[id]/context/route.test.ts

@@ -0,0 +1,51 @@
+import { describe, it, expect, vi, beforeEach } from "vitest";
+import { NextRequest } from "next/server";
+
+const getOrderItemContext = vi.fn();
+vi.mock("@/lib/server/order-item-context-service", () => ({
+  getOrderItemContext: (...args: unknown[]) => getOrderItemContext(...args),
+}));
+
+import { GET } from "./route";
+
+function get(id: string) {
+  return new NextRequest(`http://localhost/api/v1/order-items/${id}/context`, {
+    method: "GET",
+  });
+}
+
+describe("GET /api/v1/order-items/[id]/context", () => {
+  beforeEach(() => {
+    getOrderItemContext.mockReset();
+  });
+
+  it("400s on missing id", async () => {
+    const res = await GET(get(""), { params: Promise.resolve({ id: "" }) });
+    expect(res.status).toBe(400);
+  });
+
+  it("200s with the service result", async () => {
+    getOrderItemContext.mockResolvedValue({
+      generated_at: "2026-08-07T10:00:00Z",
+      match: { sku: "DRL-6MM", match_kind: "sku_exact", match_confidence: 1 },
+      last_quote: null,
+      last_order: null,
+      last_invoiced: null,
+      stock: null,
+      suppliers: [],
+      cheapest: null,
+    });
+    const res = await GET(get("abc"), { params: Promise.resolve({ id: "abc" }) });
+    expect(res.status).toBe(200);
+    const body = await res.json();
+    expect(body.match.sku).toBe("DRL-6MM");
+  });
+
+  it("500s when the service throws", async () => {
+    getOrderItemContext.mockRejectedValue(new Error("PB exploded"));
+    const res = await GET(get("abc"), { params: Promise.resolve({ id: "abc" }) });
+    expect(res.status).toBe(500);
+    const body = await res.json();
+    expect(body.error).toBe("PB exploded");
+  });
+});