package events

import (
	"encoding/json"
	"testing"
)

// The payload marshals with the keys clients read, and empty lists as [].
func TestOpportunitiesUpdatedPayloadJSON(t *testing.T) {
	payload := OpportunitiesUpdatedPayload{
		New:     []string{"ocds-1"},
		Updated: []string{},
		Summary: OpportunitiesSummary{
			New: 1,
		},
	}
	encoded, err := json.Marshal(payload)
	if err != nil {
		t.Fatal(err)
	}
	want := `{"new":["ocds-1"],"updated":[],"summary":{"new":1,"updated":0}}`
	if string(encoded) != want {
		t.Errorf("JSON = %s; want %s", encoded, want)
	}
}