// SPDX-FileCopyrightText: (C) Copyright 2026 Pim van Pelt <pim@ipng.ch>
// SPDX-License-Identifier: Apache-2.0

package main

import (
	"testing"

	cli "git.ipng.ch/ipng/golang-cli"
)

// TestTreeValid keeps the example's command tree free of the authoring faults
// Validate checks for. It doubles as the recommended way to use Validate: from
// a unit test, so a malformed tree fails the build rather than misdispatching
// at runtime.
func TestTreeValid(t *testing.T) {
	if err := cli.Validate(buildTree()); err != nil {
		t.Fatalf("buildTree() has authoring faults:\n%v", err)
	}
}