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Add test for hard links

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This commit is contained in:
Jordan Dominion
2023-10-21 18:55:36 -04:00
parent fd6de0fee2
commit 5bb655e3f6
1 changed files with 55 additions and 2 deletions
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tests/Tgstation.Server.Host.Tests/IO/TestFilesystemLinkFactory.cs
+55 -2
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@@ -1,10 +1,12 @@
using Microsoft.VisualStudio.TestTools.UnitTesting;
using System;
using System;
using System.IO;
using System.Runtime.InteropServices;
using System.Security.Principal;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.VisualStudio.TestTools.UnitTesting;
namespace Tgstation.Server.Host.IO.Tests
{
[TestClass]
@@ -30,6 +32,57 @@ namespace Tgstation.Server.Host.IO.Tests
return principal.IsInRole(WindowsBuiltInRole.Administrator);
}
[TestMethod]
public async Task TestHardLinkWorks()
{
string f2 = null;
var f1 = Path.GetTempFileName();
try
{
f2 = f1 + ".linked";
const string Text = "Hello world";
File.WriteAllText(f1, Text);
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
await Assert.ThrowsExceptionAsync<NotSupportedException>(() => linkFactory.CreateHardLink(f1, f2, CancellationToken.None));
Assert.Inconclusive("Windows does not support hardlinks");
}
await Assert.ThrowsExceptionAsync<ArgumentNullException>(() => linkFactory.CreateHardLink(null, null, CancellationToken.None));
await Assert.ThrowsExceptionAsync<ArgumentNullException>(() => linkFactory.CreateHardLink(f1, null, CancellationToken.None));
await linkFactory.CreateHardLink(f1, f2, default);
Assert.IsTrue(File.Exists(f2));
var f2Contents = File.ReadAllText(f2);
Assert.AreEqual(Text, f2Contents);
const string NewText = "asdf";
File.WriteAllText(f1, NewText);
f2Contents = File.ReadAllText(f2);
Assert.AreEqual(NewText, f2Contents);
const string NewText2 = "fdsa";
File.WriteAllText(f2, NewText2);
var f1Contents = File.ReadAllText(f1);
Assert.AreEqual(NewText2, f1Contents);
File.Delete(f1);
Assert.IsFalse(File.Exists(f1));
Assert.IsTrue(File.Exists(f2));
f2Contents = File.ReadAllText(f2);
Assert.AreEqual(NewText2, f2Contents);
}
finally
{
File.Delete(f2);
File.Delete(f1);
}
}
[TestMethod]
public async Task TestFileWorks()
{