initial commit

tests/integration/helper_wait_for_condition_test.go

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+/*
+ * 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")
+		}
+	}
+}