package user

import (
    "context"
    "testing"
)

func TestRequestShippings_DedupAndSkip(t *testing.T) {
    s := New(nil, nil)
    // s.readDB/s.writeDB are nil in this placeholder; this test is a placeholder to ensure compilation.
    _, _, _, _, err := s.RequestShippings(context.Background(), 1, []int64{0, 1, 1}, nil)
    if err != nil {
        // no real DB; just ensure function can be called
    }
}