duplicati/Duplicati/UnitTest/PreventEmptySourceTest.cs

// Copyright (C) 2025, The Duplicati Team
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using Duplicati.Library.Interface;
using NUnit.Framework;

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

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

        [Test]
        [Category("Targeted")]
        public void BackupWorksWhenSourceFolderIsEmpty()
        {
            var testopts = TestOptions.Expand(new { });

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