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package controlplane
import (
"errors"
"testing"
"time"
)
func TestUsageCursorRoundTrip(t *testing.T) {
record := UsageRecord{RequestID: "req_cursor_test", StartedAt: time.Date(2026, 8, 6, 2, 3, 4, 567, time.UTC)}
cursor, err := decodeUsageCursor(encodeUsageCursor(record))
if err != nil {
t.Fatal(err)
}
if cursor.RequestID != record.RequestID || !cursor.StartedAt.Equal(record.StartedAt) {
t.Fatalf("cursor = %+v, want request %s at %v", cursor, record.RequestID, record.StartedAt)
}
}
func TestUsageCursorRejectsInvalidInput(t *testing.T) {
for _, raw := range []string{"not-base64!", "e30", string(make([]byte, 2049))} {
if _, err := decodeUsageCursor(raw); !errors.Is(err, ErrInvalidUsageCursor) {
t.Fatalf("decodeUsageCursor(%q) error = %v", raw, err)
}
}
}
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