// Copyright (C) 2026, The Duplicati Team
// https://duplicati.com, hello@duplicati.com
// 
// Permission is hereby granted, free of charge, to any person obtaining a 
// copy of this software and associated documentation files (the "Software"), 
// to deal in the Software without restriction, including without limitation 
// the rights to use, copy, modify, merge, publish, distribute, sublicense, 
// and/or sell copies of the Software, and to permit persons to whom the 
// Software is furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in 
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
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using System.Threading.Tasks;
using Duplicati.Library.Interface;
using NUnit.Framework;

namespace Duplicati.UnitTest
{
    public class PreventEmptySourceTest : BasicSetupHelper
    {
        [Test]
        [Category("Targeted")]
        public async Task BackupFailsWhenSourceFolderIsEmptyAsync()
        {
            var testopts = TestOptions.Expand(new { prevent_empty_source = true });

            using var controller = new Library.Main.Controller("file://" + TARGETFOLDER, testopts, null);
            var ex = Assert.ThrowsAsync<UserInformationException>(() => controller.BackupAsync(new[] { DATAFOLDER }));
            Assert.That(ex!.HelpID, Is.EqualTo("SourceFolderEmpty"));
        }

        [Test]
        [Category("Targeted")]
        public async Task BackupWorksWhenSourceFolderIsEmptyAsync()
        {
            var testopts = TestOptions.Expand(new { });

            using var controller = new Library.Main.Controller("file://" + TARGETFOLDER, testopts, null);
            var result = await controller.BackupAsync(new[] { DATAFOLDER });
            Assert.That(result, Is.Not.Null);
        }
    }
}