First Release of Claw3D (#11)

Co-authored-by: iamlukethedev <iamlukethedev@users.noreply.github.com>

tests/unit/fetchJson.test.ts

@@ -0,0 +1,39 @@
+import { describe, expect, it, vi, afterEach } from "vitest";
+
+import { fetchJson } from "@/lib/http";
+
+type MockResponse = {
+  ok: boolean;
+  status: number;
+  text: () => Promise<string>;
+};
+
+const createResponse = (body: string, ok: boolean, status: number): MockResponse => ({
+  ok,
+  status,
+  text: vi.fn().mockResolvedValue(body),
+});
+
+describe("fetchJson", () => {
+  afterEach(() => {
+    vi.restoreAllMocks();
+  });
+
+  it("throws when response is not ok", async () => {
+    const fetchMock = vi.fn().mockResolvedValue(
+      createResponse(JSON.stringify({ error: "Nope" }), false, 400)
+    );
+    globalThis.fetch = fetchMock as unknown as typeof fetch;
+
+    await expect(fetchJson("/api/test")).rejects.toThrow("Nope");
+  });
+
+  it("returns parsed JSON for ok responses", async () => {
+    const fetchMock = vi.fn().mockResolvedValue(
+      createResponse(JSON.stringify({ ok: true }), true, 200)
+    );
+    globalThis.fetch = fetchMock as unknown as typeof fetch;
+
+    await expect(fetchJson("/api/test")).resolves.toEqual({ ok: true });
+  });
+});