/*
 * Copyright (C) 2026 Fluxer Contributors
 *
 * This file is part of Fluxer.
 *
 * Fluxer is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Fluxer is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
 */

package integration

import (
	"testing"
	"time"
)

func waitForCondition(t testing.TB, timeout time.Duration, fn func() (bool, error)) {
	t.Helper()
	deadline := time.After(timeout)
	ticker := time.NewTicker(500 * time.Millisecond)
	defer ticker.Stop()
	for {
		ok, err := fn()
		if err != nil {
			t.Fatalf("wait condition failed: %v", err)
		}
		if ok {
			return
		}
		select {
		case <-ticker.C:
		case <-deadline:
			t.Fatalf("timed out waiting for condition")
		}
	}
}