package wave

import (
	"github.com/stretchr/testify/require"
	"testing"
)

func TestFriendMixRemainsMinorityAndDoesNotDuplicate(t *testing.T) {
	original := []Pick{{ID: "one"}, {ID: "two"}, {ID: "three"}, {ID: "four"}, {ID: "five"}}
	mixed := blendFriendPick(original, []string{"one", "friend"})
	require.Len(t, mixed, 5)
	require.Equal(t, "friends", mixed[4].Source)
	require.Equal(t, "friend", mixed[4].ID)
	require.Equal(t, "five", original[4].ID)
	require.Equal(t, original, blendFriendPick(original, []string{"one"}))
}