mirror of
https://github.com/Thealexbarney/LibHac.git
synced 2024-11-14 10:49:41 +01:00
554 lines
No EOL
20 KiB
C#
554 lines
No EOL
20 KiB
C#
using System;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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using LibHac.Common;
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using LibHac.Fs;
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using LibHac.Fs.Fsa;
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using LibHac.FsSystem;
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using LibHac.Tests.Fs;
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using LibHac.Tests.Fs.IFileSystemTestBase;
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using LibHac.Tools.Fs;
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using Xunit;
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namespace LibHac.Tests.FsSystem;
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public class DirectorySaveDataFileSystemTests : CommittableIFileSystemTests
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{
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protected override IFileSystem CreateFileSystem()
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{
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return CreateFileSystemInternal().saveFs;
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}
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protected override IReopenableFileSystemCreator GetFileSystemCreator()
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{
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return new DirectorySaveDataFileSystemCreator();
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}
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private class DirectorySaveDataFileSystemCreator : IReopenableFileSystemCreator
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{
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private IFileSystem BaseFileSystem { get; }
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public DirectorySaveDataFileSystemCreator()
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{
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BaseFileSystem = new InMemoryFileSystem();
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}
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public IFileSystem Create()
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{
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CreateDirSaveFs(out DirectorySaveDataFileSystem saveFs, BaseFileSystem, true, true, true)
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.ThrowIfFailure();
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return saveFs;
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}
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}
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public static Result CreateDirSaveFs(out DirectorySaveDataFileSystem created, IFileSystem baseFileSystem,
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ISaveDataCommitTimeStampGetter timeStampGetter, RandomDataGenerator randomGenerator,
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bool isJournalingSupported, bool isMultiCommitSupported, bool isJournalingEnabled,
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FileSystemClient fsClient)
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{
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var obj = new DirectorySaveDataFileSystem(baseFileSystem, fsClient);
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Result res = obj.Initialize(isJournalingSupported, isMultiCommitSupported, isJournalingEnabled, timeStampGetter,
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randomGenerator);
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if (res.IsSuccess())
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{
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created = obj;
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return Result.Success;
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}
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obj.Dispose();
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UnsafeHelpers.SkipParamInit(out created);
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return res;
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}
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public static Result CreateDirSaveFs(out DirectorySaveDataFileSystem created, IFileSystem baseFileSystem,
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bool isJournalingSupported, bool isMultiCommitSupported, bool isJournalingEnabled)
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{
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return CreateDirSaveFs(out created, baseFileSystem, null, null, isJournalingSupported, isMultiCommitSupported,
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isJournalingEnabled, null);
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}
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private (IFileSystem baseFs, DirectorySaveDataFileSystem saveFs) CreateFileSystemInternal()
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{
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var baseFs = new InMemoryFileSystem();
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CreateDirSaveFs(out DirectorySaveDataFileSystem saveFs, baseFs, true, true, true).ThrowIfFailure();
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return (baseFs, saveFs);
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}
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[Fact]
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public void CreateFile_CreatedInModifiedDirectory()
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{
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(IFileSystem baseFs, IFileSystem saveFs) = CreateFileSystemInternal();
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saveFs.CreateFile("/file", 0, CreateFileOptions.None);
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Assert.Success(baseFs.GetEntryType(out DirectoryEntryType type, "/1/file"));
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Assert.Equal(DirectoryEntryType.File, type);
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}
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[Fact]
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public void CreateFile_NotCreatedInCommittedDirectory()
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{
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(IFileSystem baseFs, IFileSystem saveFs) = CreateFileSystemInternal();
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saveFs.CreateFile("/file", 0, CreateFileOptions.None);
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Assert.Result(ResultFs.PathNotFound, baseFs.GetEntryType(out _, "/0/file"));
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}
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[Fact]
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public void Commit_FileExistsInCommittedDirectory()
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{
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(IFileSystem baseFs, IFileSystem saveFs) = CreateFileSystemInternal();
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saveFs.CreateFile("/file", 0, CreateFileOptions.None);
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Assert.Success(saveFs.Commit());
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Assert.Success(baseFs.GetEntryType(out DirectoryEntryType type, "/0/file"));
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Assert.Equal(DirectoryEntryType.File, type);
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}
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[Fact]
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public void Rollback_FileDoesNotExistInBaseAfterRollback()
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{
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(IFileSystem baseFs, IFileSystem saveFs) = CreateFileSystemInternal();
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saveFs.CreateFile("/file", 0, CreateFileOptions.None);
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// Rollback should succeed
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Assert.Success(saveFs.Rollback());
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// Make sure all the files are gone
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Assert.Result(ResultFs.PathNotFound, saveFs.GetEntryType(out _, "/file"));
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Assert.Result(ResultFs.PathNotFound, baseFs.GetEntryType(out _, "/0/file"));
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Assert.Result(ResultFs.PathNotFound, baseFs.GetEntryType(out _, "/1/file"));
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}
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[Fact]
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public void Rollback_DeletedFileIsRestoredInBaseAfterRollback()
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{
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(IFileSystem baseFs, IFileSystem saveFs) = CreateFileSystemInternal();
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saveFs.CreateFile("/file", 0, CreateFileOptions.None);
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saveFs.Commit();
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saveFs.DeleteFile("/file");
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// Rollback should succeed
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Assert.Success(saveFs.Rollback());
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// Make sure all the files are restored
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Assert.Success(saveFs.GetEntryType(out _, "/file"));
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Assert.Success(baseFs.GetEntryType(out _, "/0/file"));
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Assert.Success(baseFs.GetEntryType(out _, "/1/file"));
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}
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[Fact]
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public void Initialize_NormalState_UsesCommittedData()
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{
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var baseFs = new InMemoryFileSystem();
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baseFs.CreateDirectory("/0").ThrowIfFailure();
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baseFs.CreateDirectory("/1").ThrowIfFailure();
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// Set the existing files before initializing the save FS
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baseFs.CreateFile("/0/file1", 0, CreateFileOptions.None).ThrowIfFailure();
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baseFs.CreateFile("/1/file2", 0, CreateFileOptions.None).ThrowIfFailure();
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CreateDirSaveFs(out DirectorySaveDataFileSystem saveFs, baseFs, true, true, true).ThrowIfFailure();
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Assert.Success(saveFs.GetEntryType(out _, "/file1"));
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Assert.Result(ResultFs.PathNotFound, saveFs.GetEntryType(out _, "/file2"));
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}
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[Fact]
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public void Initialize_InterruptedAfterCommitPart1_UsesModifiedData()
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{
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var baseFs = new InMemoryFileSystem();
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baseFs.CreateDirectory("/_").ThrowIfFailure();
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baseFs.CreateDirectory("/1").ThrowIfFailure();
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// Set the existing files before initializing the save FS
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baseFs.CreateFile("/_/file1", 0, CreateFileOptions.None).ThrowIfFailure();
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baseFs.CreateFile("/1/file2", 0, CreateFileOptions.None).ThrowIfFailure();
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CreateDirSaveFs(out DirectorySaveDataFileSystem saveFs, baseFs, true, true, true).ThrowIfFailure();
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Assert.Result(ResultFs.PathNotFound, saveFs.GetEntryType(out _, "/file1"));
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Assert.Success(saveFs.GetEntryType(out _, "/file2"));
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}
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[Fact]
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public void Initialize_InterruptedDuringCommitPart2_UsesModifiedData()
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{
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var baseFs = new InMemoryFileSystem();
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baseFs.CreateDirectory("/1").ThrowIfFailure();
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// Set the existing files before initializing the save FS
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baseFs.CreateFile("/1/file2", 0, CreateFileOptions.None).ThrowIfFailure();
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CreateDirSaveFs(out DirectorySaveDataFileSystem saveFs, baseFs, true, true, true).ThrowIfFailure();
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Assert.Result(ResultFs.PathNotFound, saveFs.GetEntryType(out _, "/file1"));
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Assert.Success(saveFs.GetEntryType(out _, "/file2"));
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}
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[Fact]
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public void Initialize_InitialExtraDataIsEmpty()
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{
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(IFileSystem _, DirectorySaveDataFileSystem saveFs) = CreateFileSystemInternal();
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Assert.Success(saveFs.ReadExtraData(out SaveDataExtraData extraData));
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Assert.True(SpanHelpers.AsByteSpan(ref extraData).IsZeros());
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}
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[Fact]
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public void WriteExtraData_CanReadBackExtraData()
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{
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(IFileSystem _, DirectorySaveDataFileSystem saveFs) = CreateFileSystemInternal();
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var originalExtraData = new SaveDataExtraData();
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originalExtraData.DataSize = 0x12345;
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Assert.Success(saveFs.WriteExtraData(in originalExtraData));
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Assert.Success(saveFs.ReadExtraData(out SaveDataExtraData extraData));
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Assert.Equal(originalExtraData, extraData);
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}
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[Fact]
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public void Commit_AfterSuccessfulCommit_CanReadCommittedExtraData()
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{
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var baseFs = new InMemoryFileSystem();
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CreateDirSaveFs(out DirectorySaveDataFileSystem saveFs, baseFs, true, true, true).ThrowIfFailure();
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var originalExtraData = new SaveDataExtraData();
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originalExtraData.DataSize = 0x12345;
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saveFs.WriteExtraData(in originalExtraData).ThrowIfFailure();
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Assert.Success(saveFs.CommitExtraData(false));
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saveFs.Dispose();
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CreateDirSaveFs(out saveFs, baseFs, true, true, true).ThrowIfFailure();
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Assert.Success(saveFs.ReadExtraData(out SaveDataExtraData extraData));
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Assert.Equal(originalExtraData, extraData);
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}
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[Fact]
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public void Rollback_WriteExtraDataThenRollback_ExtraDataIsRolledBack()
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{
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var baseFs = new InMemoryFileSystem();
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CreateDirSaveFs(out DirectorySaveDataFileSystem saveFs, baseFs, true, true, true).ThrowIfFailure();
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var originalExtraData = new SaveDataExtraData();
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originalExtraData.DataSize = 0x12345;
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saveFs.WriteExtraData(in originalExtraData).ThrowIfFailure();
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saveFs.CommitExtraData(false).ThrowIfFailure();
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saveFs.Dispose();
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CreateDirSaveFs(out saveFs, baseFs, true, true, true).ThrowIfFailure();
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var newExtraData = new SaveDataExtraData();
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newExtraData.DataSize = 0x67890;
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saveFs.WriteExtraData(in newExtraData).ThrowIfFailure();
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Assert.Success(saveFs.Rollback());
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Assert.Success(saveFs.ReadExtraData(out SaveDataExtraData extraData));
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Assert.Equal(originalExtraData, extraData);
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}
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[Fact]
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public void Rollback_WriteExtraDataThenCloseFs_ExtraDataIsRolledBack()
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{
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var baseFs = new InMemoryFileSystem();
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CreateDirSaveFs(out DirectorySaveDataFileSystem saveFs, baseFs, true, true, true).ThrowIfFailure();
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// Write extra data and close with committing
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var originalExtraData = new SaveDataExtraData();
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originalExtraData.DataSize = 0x12345;
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saveFs.WriteExtraData(in originalExtraData).ThrowIfFailure();
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saveFs.CommitExtraData(false).ThrowIfFailure();
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saveFs.Dispose();
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CreateDirSaveFs(out saveFs, baseFs, true, true, true).ThrowIfFailure();
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// Write a new extra data and close without committing
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var newExtraData = new SaveDataExtraData();
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newExtraData.DataSize = 0x67890;
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saveFs.WriteExtraData(in newExtraData).ThrowIfFailure();
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saveFs.Dispose();
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// Read extra data should match the first one
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CreateDirSaveFs(out saveFs, baseFs, true, true, true).ThrowIfFailure();
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Assert.Success(saveFs.ReadExtraData(out SaveDataExtraData extraData));
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Assert.Equal(originalExtraData, extraData);
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}
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[Fact]
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public void Initialize_InterruptedAfterCommitPart1_UsesModifiedExtraData()
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{
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var baseFs = new InMemoryFileSystem();
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CreateExtraDataForTest(baseFs, "/ExtraData_", 0x12345).ThrowIfFailure();
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CreateExtraDataForTest(baseFs, "/ExtraData1", 0x67890).ThrowIfFailure();
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CreateDirSaveFs(out DirectorySaveDataFileSystem saveFs, baseFs, true, true, true).ThrowIfFailure();
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saveFs.ReadExtraData(out SaveDataExtraData extraData).ThrowIfFailure();
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Assert.Equal(0x67890, extraData.DataSize);
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}
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[Fact]
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public void Initialize_OnlySynchronizingExtraDataExists_UsesSynchronizingExtraData()
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{
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var baseFs = new InMemoryFileSystem();
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CreateExtraDataForTest(baseFs, "/ExtraData_", 0x67890).ThrowIfFailure();
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CreateDirSaveFs(out DirectorySaveDataFileSystem saveFs, baseFs, true, true, true).ThrowIfFailure();
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saveFs.ReadExtraData(out SaveDataExtraData extraData).ThrowIfFailure();
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Assert.Equal(0x67890, extraData.DataSize);
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}
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[Fact]
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public void Initialize_OnlyCommittedExtraDataExists_UsesCommittedExtraData()
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{
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var baseFs = new InMemoryFileSystem();
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CreateExtraDataForTest(baseFs, "/ExtraData0", 0x67890).ThrowIfFailure();
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CreateDirSaveFs(out DirectorySaveDataFileSystem saveFs, baseFs, true, true, true).ThrowIfFailure();
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saveFs.ReadExtraData(out SaveDataExtraData extraData).ThrowIfFailure();
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Assert.Equal(0x67890, extraData.DataSize);
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}
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[Fact]
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public void Initialize_OnlyModifiedExtraDataExists_UsesModifiedExtraData()
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{
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var baseFs = new InMemoryFileSystem();
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CreateExtraDataForTest(baseFs, "/ExtraData1", 0x67890).ThrowIfFailure();
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CreateDirSaveFs(out DirectorySaveDataFileSystem saveFs, baseFs, true, true, true).ThrowIfFailure();
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saveFs.ReadExtraData(out SaveDataExtraData extraData).ThrowIfFailure();
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Assert.Equal(0x67890, extraData.DataSize);
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}
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[Fact]
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public void Initialize_SynchronizingAndCommittedExtraDataExist_UsesCommittedExtraData()
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{
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var baseFs = new InMemoryFileSystem();
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CreateExtraDataForTest(baseFs, "/ExtraData_", 0x12345).ThrowIfFailure();
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CreateExtraDataForTest(baseFs, "/ExtraData0", 0x67890).ThrowIfFailure();
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CreateDirSaveFs(out DirectorySaveDataFileSystem saveFs, baseFs, true, true, true).ThrowIfFailure();
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saveFs.ReadExtraData(out SaveDataExtraData extraData).ThrowIfFailure();
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Assert.Equal(0x67890, extraData.DataSize);
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}
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[Fact]
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public void Initialize_SynchronizingAndModifiedExtraDataExist_UsesModifiedExtraData()
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{
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var baseFs = new InMemoryFileSystem();
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CreateExtraDataForTest(baseFs, "/ExtraData_", 0x12345).ThrowIfFailure();
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CreateExtraDataForTest(baseFs, "/ExtraData1", 0x67890).ThrowIfFailure();
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CreateDirSaveFs(out DirectorySaveDataFileSystem saveFs, baseFs, true, true, true).ThrowIfFailure();
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saveFs.ReadExtraData(out SaveDataExtraData extraData).ThrowIfFailure();
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Assert.Equal(0x67890, extraData.DataSize);
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}
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[Fact]
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public void Initialize_CommittedAndModifiedExtraDataExist_UsesCommittedExtraData()
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{
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var baseFs = new InMemoryFileSystem();
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CreateExtraDataForTest(baseFs, "/ExtraData0", 0x12345).ThrowIfFailure();
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CreateExtraDataForTest(baseFs, "/ExtraData1", 0x67890).ThrowIfFailure();
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CreateDirSaveFs(out DirectorySaveDataFileSystem saveFs, baseFs, true, true, true).ThrowIfFailure();
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saveFs.ReadExtraData(out SaveDataExtraData extraData).ThrowIfFailure();
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Assert.Equal(0x12345, extraData.DataSize);
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}
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[Fact]
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public void Initialize_AllThreeExtraDataFilesExist_UsesCommittedExtraData()
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{
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var baseFs = new InMemoryFileSystem();
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CreateExtraDataForTest(baseFs, "/ExtraData_", 0x12345).ThrowIfFailure();
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CreateExtraDataForTest(baseFs, "/ExtraData0", 0x54321).ThrowIfFailure();
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CreateExtraDataForTest(baseFs, "/ExtraData1", 0x67890).ThrowIfFailure();
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CreateDirSaveFs(out DirectorySaveDataFileSystem saveFs, baseFs, true, true, true).ThrowIfFailure();
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saveFs.ReadExtraData(out SaveDataExtraData extraData).ThrowIfFailure();
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Assert.Equal(0x54321, extraData.DataSize);
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}
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[Fact]
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public void CommitSaveData_MultipleCommits_CommitIdIsUpdatedSkippingInvalidIds()
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{
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var random = new RandomGenerator();
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RandomDataGenerator randomGeneratorFunc = buffer => random.GenerateRandom(buffer);
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var timeStampGetter = new TimeStampGetter();
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var baseFs = new InMemoryFileSystem();
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CreateDirSaveFs(out DirectorySaveDataFileSystem saveFs, baseFs, timeStampGetter,
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randomGeneratorFunc, true, true, true, null).ThrowIfFailure();
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saveFs.CommitExtraData(true).ThrowIfFailure();
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saveFs.ReadExtraData(out SaveDataExtraData extraData).ThrowIfFailure();
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Assert.Equal(2, extraData.CommitId);
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saveFs.CommitExtraData(true).ThrowIfFailure();
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saveFs.ReadExtraData(out extraData).ThrowIfFailure();
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Assert.Equal(3, extraData.CommitId);
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saveFs.CommitExtraData(true).ThrowIfFailure();
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saveFs.ReadExtraData(out extraData).ThrowIfFailure();
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Assert.Equal(6, extraData.CommitId);
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saveFs.CommitExtraData(true).ThrowIfFailure();
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saveFs.ReadExtraData(out extraData).ThrowIfFailure();
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Assert.Equal(2, extraData.CommitId);
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}
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[Fact]
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public void CommitSaveData_MultipleCommits_TimeStampUpdated()
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{
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var random = new RandomGenerator();
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RandomDataGenerator randomGeneratorFunc = buffer => random.GenerateRandom(buffer);
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var timeStampGetter = new TimeStampGetter();
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var baseFs = new InMemoryFileSystem();
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CreateDirSaveFs(out DirectorySaveDataFileSystem saveFs, baseFs, timeStampGetter,
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randomGeneratorFunc, true, true, true, null).ThrowIfFailure();
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saveFs.CommitExtraData(true).ThrowIfFailure();
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saveFs.ReadExtraData(out SaveDataExtraData extraData).ThrowIfFailure();
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Assert.Equal(1u, extraData.TimeStamp);
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saveFs.CommitExtraData(true).ThrowIfFailure();
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saveFs.ReadExtraData(out extraData).ThrowIfFailure();
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Assert.Equal(2u, extraData.TimeStamp);
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saveFs.CommitExtraData(true).ThrowIfFailure();
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saveFs.ReadExtraData(out extraData).ThrowIfFailure();
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Assert.Equal(3u, extraData.TimeStamp);
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saveFs.CommitExtraData(true).ThrowIfFailure();
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saveFs.ReadExtraData(out extraData).ThrowIfFailure();
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Assert.Equal(4u, extraData.TimeStamp);
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}
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[Fact]
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public void CommitSaveData_UpdateTimeStampIsFalse_TimeStampAndCommitIdAreNotUpdated()
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{
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var random = new RandomGenerator();
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RandomDataGenerator randomGeneratorFunc = buffer => random.GenerateRandom(buffer);
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var timeStampGetter = new TimeStampGetter();
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var baseFs = new InMemoryFileSystem();
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CreateDirSaveFs(out DirectorySaveDataFileSystem saveFs, baseFs, timeStampGetter,
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randomGeneratorFunc, true, true, true, null).ThrowIfFailure();
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saveFs.CommitExtraData(true).ThrowIfFailure();
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saveFs.ReadExtraData(out SaveDataExtraData extraData).ThrowIfFailure();
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Assert.Equal(1u, extraData.TimeStamp);
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Assert.Equal(2, extraData.CommitId);
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saveFs.CommitExtraData(false).ThrowIfFailure();
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saveFs.ReadExtraData(out extraData).ThrowIfFailure();
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Assert.Equal(1u, extraData.TimeStamp);
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Assert.Equal(2, extraData.CommitId);
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saveFs.CommitExtraData(true).ThrowIfFailure();
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saveFs.ReadExtraData(out extraData).ThrowIfFailure();
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Assert.Equal(2u, extraData.TimeStamp);
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Assert.Equal(3, extraData.CommitId);
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saveFs.CommitExtraData(false).ThrowIfFailure();
|
|
saveFs.ReadExtraData(out extraData).ThrowIfFailure();
|
|
Assert.Equal(2u, extraData.TimeStamp);
|
|
Assert.Equal(3, extraData.CommitId);
|
|
}
|
|
|
|
private class TimeStampGetter : ISaveDataCommitTimeStampGetter
|
|
{
|
|
private long _currentTimeStamp = 1;
|
|
|
|
public Result Get(out long timeStamp)
|
|
{
|
|
timeStamp = _currentTimeStamp++;
|
|
return Result.Success;
|
|
}
|
|
}
|
|
|
|
private class RandomGenerator
|
|
{
|
|
private static readonly int[] Values = { 2, 0, 3, 3, 6, 0 };
|
|
|
|
private int _index;
|
|
|
|
public void GenerateRandom(Span<byte> output)
|
|
{
|
|
if (output.Length != 8)
|
|
throw new ArgumentException();
|
|
|
|
Unsafe.As<byte, long>(ref MemoryMarshal.GetReference(output)) = Values[_index];
|
|
|
|
_index = (_index + 1) % Values.Length;
|
|
}
|
|
}
|
|
|
|
private Result CreateExtraDataForTest(IFileSystem fileSystem, string path, int saveDataSize)
|
|
{
|
|
fileSystem.DeleteFile(path).IgnoreResult();
|
|
|
|
Result res = fileSystem.CreateFile(path, Unsafe.SizeOf<SaveDataExtraData>());
|
|
if (res.IsFailure()) return res.Miss();
|
|
|
|
var extraData = new SaveDataExtraData();
|
|
extraData.DataSize = saveDataSize;
|
|
|
|
using var file = new UniqueRef<IFile>();
|
|
res = fileSystem.OpenFile(ref file.Ref(), path, OpenMode.ReadWrite);
|
|
if (res.IsFailure()) return res.Miss();
|
|
|
|
res = file.Get.Write(0, SpanHelpers.AsByteSpan(ref extraData), WriteOption.Flush);
|
|
if (res.IsFailure()) return res.Miss();
|
|
|
|
return Result.Success;
|
|
}
|
|
} |