Cleanup pass 2

tests/unit/authSessionRoute.test.ts

@@ -0,0 +1,71 @@
+import { NextRequest } from "next/server";
+import { beforeEach, describe, expect, it, vi } from "vitest";
+
+const isDatabaseConfiguredMock = vi.fn();
+const getSessionUserMock = vi.fn();
+
+vi.mock("../../lib/server/env", () => ({
+  isDatabaseConfigured: () => isDatabaseConfiguredMock(),
+}));
+
+vi.mock("../../lib/server/session", () => ({
+  getSessionUser: () => getSessionUserMock(),
+}));
+
+import { GET } from "../../app/api/auth/session/route";
+
+beforeEach(() => {
+  isDatabaseConfiguredMock.mockReset();
+  getSessionUserMock.mockReset();
+});
+
+describe("GET /api/auth/session", () => {
+  it("returns 503 when the database is not configured", async () => {
+    isDatabaseConfiguredMock.mockReturnValue(false);
+    const res = await GET(
+      new NextRequest("https://x.test/api/auth/session"),
+      undefined,
+    );
+    expect(res.status).toBe(503);
+    expect(getSessionUserMock).not.toHaveBeenCalled();
+  });
+
+  it("returns user null when there is no session", async () => {
+    isDatabaseConfiguredMock.mockReturnValue(true);
+    getSessionUserMock.mockResolvedValueOnce(null);
+    const res = await GET(
+      new NextRequest("https://x.test/api/auth/session"),
+      undefined,
+    );
+    expect(res.status).toBe(200);
+    expect(await res.json()).toEqual({ user: null });
+  });
+
+  it("returns the signed-in user id and email", async () => {
+    isDatabaseConfiguredMock.mockReturnValue(true);
+    getSessionUserMock.mockResolvedValueOnce({
+      id: "u1",
+      email: "member@example.com",
+    });
+    const res = await GET(
+      new NextRequest("https://x.test/api/auth/session"),
+      undefined,
+    );
+    expect(res.status).toBe(200);
+    expect(await res.json()).toEqual({
+      user: { id: "u1", email: "member@example.com" },
+    });
+  });
+
+  it("forwards an incoming x-request-id on the response", async () => {
+    isDatabaseConfiguredMock.mockReturnValue(true);
+    getSessionUserMock.mockResolvedValueOnce(null);
+    const res = await GET(
+      new NextRequest("https://x.test/api/auth/session", {
+        headers: { "x-request-id": "req_session-1" },
+      }),
+      undefined,
+    );
+    expect(res.headers.get("x-request-id")).toBe("req_session-1");
+  });
+});