test(api): Auth & /me — fill gaps + lifecycle test

apps/api/test/require-user.test.ts

@@ -0,0 +1,43 @@
+import { describe, it, expect, afterEach, vi } from 'vitest';
+import type { Context } from 'hono';
+import { auth } from '../src/auth';
+import { getSessionUser, isAdmin } from '../src/lib/require-user';
+
+// getSessionUser/isAdmin are the auth gate's building blocks. The role/banned
+// fallbacks can't be reached through a real sign-in (the admin plugin always sets
+// a role), so exercise them by stubbing the one thing getSessionUser reads:
+// auth.api.getSession. vi is already the suite's mocking tool (see env.test.ts).
+const fakeCtx = { req: { raw: { headers: new Headers() } } } as unknown as Context;
+
+function mockSession(sessionUser: Record<string, unknown> | null) {
+  vi.spyOn(auth.api, 'getSession').mockResolvedValue(
+    (sessionUser ? { user: sessionUser, session: {} } : null) as never,
+  );
+}
+
+describe('getSessionUser', () => {
+  afterEach(() => vi.restoreAllMocks());
+
+  it('returns null when there is no session', async () => {
+    mockSession(null);
+    expect(await getSessionUser(fakeCtx)).toBeNull();
+  });
+
+  it('maps id, role and banned from the session user', async () => {
+    mockSession({ id: 'u1', role: 'admin', banned: true });
+    expect(await getSessionUser(fakeCtx)).toEqual({ id: 'u1', role: 'admin', banned: true });
+  });
+
+  it("defaults role to 'worker' and banned to false when they are unset", async () => {
+    mockSession({ id: 'u2' });
+    expect(await getSessionUser(fakeCtx)).toEqual({ id: 'u2', role: 'worker', banned: false });
+  });
+});
+
+describe('isAdmin', () => {
+  it('is true only for the admin role', () => {
+    expect(isAdmin({ id: 'a', role: 'admin', banned: false })).toBe(true);
+    expect(isAdmin({ id: 'w', role: 'worker', banned: false })).toBe(false);
+    expect(isAdmin(null)).toBe(false);
+  });
+});