fix : correct api healthz

app/api/healthz/route.test.ts

@@ -0,0 +1,46 @@
+import { beforeEach, describe, expect, it, vi } from "vitest";
+
+const execute = vi.fn();
+const ping = vi.fn();
+const checkSlip2Go = vi.fn();
+const checkDiscordBot = vi.fn();
+const checkLunaris = vi.fn();
+
+vi.mock("next/server", () => ({ connection: vi.fn() }));
+vi.mock("@/db/client", () => ({ getDb: () => ({ execute }) }));
+vi.mock("@/lib/redis/client", () => ({ getRedisClient: async () => ({ ping }) }));
+vi.mock("@/lib/health/services", () => ({ checkSlip2Go, checkDiscordBot, checkLunaris }));
+
+const { GET } = await import("./route");
+
+describe("healthz endpoint", () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+    execute.mockResolvedValue(undefined);
+    ping.mockResolvedValue("PONG");
+    checkSlip2Go.mockResolvedValue(undefined);
+    checkDiscordBot.mockResolvedValue(undefined);
+    checkLunaris.mockResolvedValue(undefined);
+  });
+
+  it("checks all five dependencies", async () => {
+    const response = await GET();
+    expect(response.status).toBe(200);
+    expect(response.headers.get("Cache-Control")).toBe("no-store");
+    expect(await response.json()).toMatchObject({
+      status: "ready",
+      checks: { database: "ok", redis: "ok", slip2go: "ok", discordBot: "ok", lunaris: "ok" },
+    });
+  });
+
+  it("returns 503 and identifies a failed dependency", async () => {
+    checkDiscordBot.mockRejectedValueOnce(new Error("offline"));
+    const response = await GET();
+    expect(response.status).toBe(503);
+    expect(await response.json()).toMatchObject({
+      status: "not-ready",
+      checks: { database: "ok", redis: "ok", slip2go: "ok", discordBot: "failed", lunaris: "ok" },
+    });
+  });
+
+});