mirror of https://github.com/dahall/Vanara.git
420 lines
12 KiB
C#
420 lines
12 KiB
C#
using NUnit.Framework;
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using System;
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using System.Runtime.InteropServices;
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using System.Security.AccessControl;
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using System.Threading;
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using System.Threading.Tasks;
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using Vanara.InteropServices;
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using static Vanara.PInvoke.AdvApi32;
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using static Vanara.PInvoke.VirtDisk;
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namespace Vanara.IO.Tests
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{
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[TestFixture()]
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public class VirtualDiskTests
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{
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private static readonly string fn = Vanara.PInvoke.Tests.TestCaseSources.VirtualDisk;
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private static readonly string tmpcfn = Vanara.PInvoke.Tests.TestCaseSources.TempDirWhack + "TestVHD - Diff.vhd";
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private static readonly string tmpfn = Vanara.PInvoke.Tests.TestCaseSources.TempDirWhack + "TestVHD.vhd";
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[Test()]
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public void CompactTest()
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{
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using var vhd = VirtualDisk.Open(fn, false);
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Assert.That(() => vhd.Compact(), Throws.Nothing);
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}
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[Test()]
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public async Task CompactTest1()
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{
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using var vhd = VirtualDisk.Open(fn, false);
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var cts = new CancellationTokenSource();
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var rpt = new Reporter();
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var lastVal = 0;
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rpt.NewVal += (o, e) => TestContext.WriteLine($"{DateTime.Now:o} NewVal={lastVal = e}");
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await vhd.Compact(cts.Token, rpt);
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Assert.That(lastVal, Is.EqualTo(100));
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}
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[Test()]
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public void CreateDiffTest()
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{
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const int sz = 0x03010400;
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try
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{
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using var vhdp = VirtualDisk.Create(tmpfn, sz);
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using var vhd = VirtualDisk.CreateDifferencing(tmpcfn, tmpfn);
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Assert.That(System.IO.File.Exists(tmpcfn));
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Assert.That(System.IO.File.Exists(tmpfn));
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Assert.That(System.IO.File.Exists(tmpfn));
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Assert.That(vhd.Attached, Is.False);
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Assert.That(vhd.BlockSize, Is.EqualTo(0x200000));
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Assert.That(vhd.DiskType, Is.EqualTo(VirtualDisk.DeviceType.Vhd));
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Assert.That(vhd.ResilientChangeTrackingEnabled, Is.False);
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//Assert.That(vhd.FragmentationPercentage, Is.Zero); // must be non-differencing
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Assert.That(vhd.Identifier, Is.Not.EqualTo(Guid.Empty));
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Assert.That(vhd.Is4kAligned);
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Assert.That(vhd.IsLoaded, Is.False);
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Assert.That(vhd.IsRemote, Is.False);
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Assert.That(vhd.LogicalSectorSize, Is.EqualTo(0x200));
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//Assert.That(vhd.MostRecentId, Is.Null.Or.Empty);
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Assert.That(vhd.NewerChanges, Is.False);
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Assert.That(vhd.ParentBackingStore, Is.EqualTo(tmpfn)); // must be differencing
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Assert.That(vhd.ParentIdentifier, Is.Not.EqualTo(Guid.Empty)); // must be differencing
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Assert.That(vhd.ParentPaths, Has.One.EqualTo(tmpfn)); // must be differencing
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Assert.That(vhd.ParentTimeStamp, Is.Zero); // must be differencing
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//TestContext.WriteLine(vhd.PhysicalPath); // must be attached
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Assert.That(vhd.PhysicalSectorSize, Is.EqualTo(0x200));
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Assert.That(vhd.PhysicalSize, Is.LessThan(sz));
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Assert.That(vhd.ProviderSubtype, Is.EqualTo(VirtualDisk.Subtype.Differencing));
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Assert.That(vhd.SectorSize, Is.EqualTo(0x200));
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//Debug.WriteLine(vhd.SmallestSafeVirtualSize); // must have file system
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Assert.That(vhd.VendorId, Is.Not.EqualTo(Guid.Empty));
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Assert.That(vhd.VhdPhysicalSectorSize, Is.EqualTo(0x200));
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Assert.That(vhd.VirtualDiskId, Is.Not.EqualTo(Guid.Empty));
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Assert.That(vhd.VirtualSize, Is.EqualTo(sz));
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}
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finally
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{
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System.IO.File.Delete(tmpcfn);
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System.IO.File.Delete(tmpfn);
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}
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}
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[Test()]
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public void CreateDynPropTest()
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{
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const int sz = 0x03010200;
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try
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{
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using var vhd = VirtualDisk.Create(tmpfn, sz);
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//vhd.Attach(true);
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Assert.That(System.IO.File.Exists(tmpfn));
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Assert.That(vhd.Attached, Is.False);
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Assert.That(vhd.BlockSize, Is.EqualTo(0x200000));
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Assert.That(vhd.DiskType, Is.EqualTo(VirtualDisk.DeviceType.Vhd));
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Assert.That(vhd.ResilientChangeTrackingEnabled, Is.False);
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Assert.That(vhd.FragmentationPercentage, Is.Zero);
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Assert.That(vhd.Identifier, Is.Not.EqualTo(Guid.Empty));
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Assert.That(vhd.Is4kAligned);
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Assert.That(vhd.IsLoaded, Is.False);
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Assert.That(vhd.IsRemote, Is.False);
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Assert.That(vhd.LogicalSectorSize, Is.EqualTo(0x200));
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Assert.That(vhd.MostRecentId, Is.Null.Or.Empty);
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Assert.That(vhd.NewerChanges, Is.False);
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//Debug.WriteLine(vhd.ParentBackingStore); // must be differencing
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//Debug.WriteLine(vhd.ParentIdentifier); // must be differencing
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//Debug.WriteLine(vhd.ParentPaths); // must be differencing
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//Debug.WriteLine(vhd.ParentTimeStamp); // must be differencing
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//Debug.WriteLine(vhd.PhysicalPath); // must be attached
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Assert.That(vhd.PhysicalSectorSize, Is.EqualTo(0x200));
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Assert.That(vhd.PhysicalSize, Is.LessThan(sz));
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Assert.That(vhd.ProviderSubtype, Is.EqualTo(VirtualDisk.Subtype.Dynamic));
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Assert.That(vhd.SectorSize, Is.EqualTo(0x200));
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//Debug.WriteLine(vhd.SmallestSafeVirtualSize); // must have file system
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Assert.That(vhd.VendorId, Is.Not.EqualTo(Guid.Empty));
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Assert.That(vhd.VhdPhysicalSectorSize, Is.EqualTo(0x200));
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Assert.That(vhd.VirtualDiskId, Is.Not.EqualTo(Guid.Empty));
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Assert.That(vhd.VirtualSize, Is.EqualTo(sz));
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}
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finally
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{
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System.IO.File.Delete(tmpfn);
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}
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}
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[Test()]
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public void CreateFixedPropTest()
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{
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const int sz = 0x03010400;
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try
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{
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using var vhd = VirtualDisk.Create(tmpfn, sz, false, null);
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Assert.That(System.IO.File.Exists(tmpfn));
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Assert.That(vhd.PhysicalSize, Is.EqualTo(sz + 512));
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Assert.That(vhd.ProviderSubtype, Is.EqualTo(VirtualDisk.Subtype.Fixed));
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Assert.That(vhd.VirtualSize, Is.EqualTo(sz));
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}
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finally
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{
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System.IO.File.Delete(tmpfn);
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}
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}
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[Test()]
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public void CreateFromSourceTest()
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{
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try
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{
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using var vhd = VirtualDisk.CreateFromSource(tmpfn, fn);
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Assert.That(System.IO.File.Exists(tmpfn));
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vhd.Close();
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}
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finally
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{
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System.IO.File.Delete(tmpfn);
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}
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}
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//[Test()]
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public void DetachTest()
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{
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const int sz = 0x03010400;
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try
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{
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using (var vhd = VirtualDisk.Create(tmpfn, sz))
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{
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Assert.That(vhd.Attached, Is.False);
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vhd.Attach(false, false);
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Assert.That(vhd.Attached, Is.False);
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}
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Assert.That(VirtualDisk.GetAllAttachedVirtualDiskPaths(), Has.Some.EqualTo(tmpfn));
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Assert.That(() => VirtualDisk.Detach(tmpfn), Throws.Nothing);
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Assert.That(VirtualDisk.GetAllAttachedVirtualDiskPaths(), Is.Empty);
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}
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finally
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{
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System.IO.File.Delete(tmpfn);
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}
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}
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[Test()]
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public void ExpandTest()
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{
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const int sz = 0x810400;
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try
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{
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using var vhd = VirtualDisk.Create(tmpfn, sz, true, null);
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Assert.That(System.IO.File.Exists(tmpfn));
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Assert.That(vhd.VirtualSize, Is.EqualTo(sz));
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vhd.Expand(sz * 2);
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Assert.That(vhd.VirtualSize, Is.EqualTo(sz * 2));
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}
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finally
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{
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System.IO.File.Delete(tmpfn);
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}
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}
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[Test()]
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public void GetAllAttachedVirtualDiskPathsTest()
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{
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Assert.That(VirtualDisk.GetAllAttachedVirtualDiskPaths(), Is.Not.Empty);
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using (var vhd = VirtualDisk.Open(fn, true))
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{
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vhd.Attach();
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Assert.That(VirtualDisk.GetAllAttachedVirtualDiskPaths(), Has.Some.EqualTo(fn));
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}
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}
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[Test]
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public void GetSetMetadataTest()
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{
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const int sz = 0x03010200;
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var lfn = tmpfn + "x";
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try
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{
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using var vhd = VirtualDisk.Create(lfn, sz);
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var count = 0;
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Assert.That(() => count = vhd.Metadata.Count, Throws.Nothing);
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// Try get and set
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var guid = Guid.NewGuid();
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Assert.That(() => vhd.Metadata.Add(guid, new SafeCoTaskMemHandle("Testing")), Throws.Nothing);
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Assert.That(vhd.Metadata.Count, Is.EqualTo(count + 1));
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Assert.That(vhd.Metadata.ContainsKey(Guid.NewGuid()), Is.False);
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Assert.That(vhd.Metadata.TryGetValue(guid, out SafeCoTaskMemHandle mem), Is.True);
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Assert.That(mem.ToString(-1), Is.EqualTo("Testing"));
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// Try enumerate and get
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foreach (System.Collections.Generic.KeyValuePair<Guid, SafeCoTaskMemHandle> mkv in vhd.Metadata)
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{
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Assert.That(mkv.Key, Is.Not.EqualTo(Guid.Empty));
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Assert.That(mkv.Value.Size, Is.Not.Zero);
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TestContext.WriteLine($"{mkv.Key}={mkv.Value.Size}b:{mkv.Value.ToString(-1)}");
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}
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// Try remove
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Assert.That(vhd.Metadata.Remove(guid), Is.True);
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Assert.That(vhd.Metadata.TryGetValue(guid, out mem), Is.False);
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Assert.That(vhd.Metadata.Count, Is.EqualTo(count));
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}
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finally
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{
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System.IO.File.Delete(lfn);
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}
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}
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//[Test]
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public void GetSetPropTest()
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{
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const int sz = 0x03010200;
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var lfn = tmpfn + "x";
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try
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{
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using var vhd = VirtualDisk.Create(lfn, sz);
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var b = vhd.ResilientChangeTrackingEnabled;
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Assert.That(() => vhd.ResilientChangeTrackingEnabled = !b, Throws.Nothing);
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Assert.AreEqual(!b, vhd.ResilientChangeTrackingEnabled);
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}
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finally
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{
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System.IO.File.Delete(lfn);
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}
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}
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[Test()]
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public void MergeTest()
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{
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const int sz = 0x03010400;
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try
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{
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using (var vhdp = VirtualDisk.Create(tmpfn, sz))
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Assert.That(System.IO.File.Exists(tmpfn));
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using var vhd = VirtualDisk.CreateDifferencing(tmpcfn, tmpfn);
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Assert.That(System.IO.File.Exists(tmpcfn));
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vhd.Merge(1, 2);
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}
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finally
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{
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System.IO.File.Delete(tmpcfn);
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System.IO.File.Delete(tmpfn);
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}
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}
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[Test()]
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public void MergeWithParentTest()
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{
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const int sz = 0x03010400;
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try
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{
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using (var vhdp = VirtualDisk.Create(tmpfn, sz))
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Assert.That(System.IO.File.Exists(tmpfn));
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using var vhd = VirtualDisk.CreateDifferencing(tmpcfn, tmpfn);
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Assert.That(System.IO.File.Exists(tmpcfn));
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vhd.MergeWithParent();
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}
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finally
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{
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System.IO.File.Delete(tmpcfn);
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System.IO.File.Delete(tmpfn);
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}
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}
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//[Test()]
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//public async Task CreateFromSourceTest1()
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//{
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// VirtualDisk vd = null;
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// try
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// {
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// var cts = new CancellationTokenSource();
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// var rpt = new Reporter();
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// var lastVal = 0;
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// rpt.NewVal += (o, e) => TestContext.WriteLine($"{DateTime.Now:o} NewVal={lastVal = e}");
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// vd = await VirtualDisk.CreateFromSource(tmpfn, fn, cts.Token, rpt);
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// Assert.That(lastVal, Is.EqualTo(100));
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// Assert.That(System.IO.File.Exists(tmpfn));
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// TestContext.WriteLine($"New file sz: {new System.IO.FileInfo(tmpfn).Length}");
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// }
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// finally
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// {
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// vd?.Close();
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// try { System.IO.File.Delete(tmpfn); } catch { }
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// }
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//}
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[Test()]
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public void OpenAttachRawTest()
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{
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try
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{
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var param = new OPEN_VIRTUAL_DISK_PARAMETERS(false);
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using var vhd = VirtualDisk.Open(fn, OPEN_VIRTUAL_DISK_FLAG.OPEN_VIRTUAL_DISK_FLAG_NONE, param, VIRTUAL_DISK_ACCESS_MASK.VIRTUAL_DISK_ACCESS_NONE);
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Assert.That(vhd.Attached, Is.False);
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ATTACH_VIRTUAL_DISK_FLAG flags = ATTACH_VIRTUAL_DISK_FLAG.ATTACH_VIRTUAL_DISK_FLAG_READ_ONLY;
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ATTACH_VIRTUAL_DISK_PARAMETERS aparam = ATTACH_VIRTUAL_DISK_PARAMETERS.Default;
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SafePSECURITY_DESCRIPTOR sd = ConvertStringSecurityDescriptorToSecurityDescriptor("O:BAG:BAD:(A;;GA;;;WD)");
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vhd.Attach(flags, ref aparam, sd);
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Assert.That(vhd.Attached, Is.True);
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vhd.Detach();
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Assert.That(vhd.Attached, Is.False);
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}
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finally
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{
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}
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}
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[Test()]
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public void OpenAttachTest()
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{
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try
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{
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using var vhd = VirtualDisk.Open(fn, true);
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Assert.That(vhd.Attached, Is.False);
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vhd.Attach(true, true, false, GetWorldFullFileSecurity());
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Assert.That(vhd.Attached, Is.True);
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TestContext.WriteLine(vhd.PhysicalPath);
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Assert.That(vhd.PhysicalPath, Is.Not.Null); // must be attached
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vhd.Detach();
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Assert.That(vhd.Attached, Is.False);
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vhd.Attach();
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Assert.That(vhd.Attached, Is.True);
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vhd.Close();
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Assert.That(vhd.Attached, Is.False);
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}
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finally
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{
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}
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}
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[Test()]
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public void ResizeTest()
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{
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const int sz = 0x810400;
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try
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{
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using var vhd = VirtualDisk.Create(tmpfn, sz, true, null);
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Assert.That(System.IO.File.Exists(tmpfn));
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Assert.That(vhd.VirtualSize, Is.EqualTo(sz));
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vhd.Resize(sz * 2);
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Assert.That(vhd.VirtualSize, Is.EqualTo(sz * 2));
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}
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finally
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{
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System.IO.File.Delete(tmpfn);
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}
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}
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[Test()]
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public void UnsafeResizeTest()
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{
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const int sz = 0x810400;
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try
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{
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using var vhd = VirtualDisk.Create(tmpfn, sz * 2, true, null);
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Assert.That(System.IO.File.Exists(tmpfn));
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Assert.That(vhd.VirtualSize, Is.EqualTo(sz * 2));
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Assert.That(() => vhd.UnsafeResize(sz), Throws.Exception);
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}
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finally
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{
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System.IO.File.Delete(tmpfn);
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}
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}
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private static FileSecurity GetFileSecurity(string sddl)
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{
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var sd = new FileSecurity();
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sd.SetSecurityDescriptorSddlForm(sddl);
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return sd;
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}
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private static FileSecurity GetWorldFullFileSecurity() => GetFileSecurity("O:BAG:BAD:(A;;GA;;;WD)");
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private class Reporter : IProgress<int>
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{
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public event EventHandler<int> NewVal;
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public void Report(int value) => NewVal?.Invoke(this, value);
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}
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}
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} |