duplicati/Duplicati/UnitTest/RecoveryToolTests.cs
Kenneth Skovhede 8fca01f64f Updated NUnit
This closes #4939
2025-06-13 11:48:24 +02:00

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16 KiB
C#

// Copyright (C) 2025, 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
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using Duplicati.Library.Interface;
using Duplicati.Library.Main;
using NUnit.Framework;
using Assert = NUnit.Framework.Legacy.ClassicAssert;
namespace Duplicati.UnitTest
{
[TestFixture]
public class RecoveryToolTests : BasicSetupHelper
{
private string originalCurrentDirectory;
[SetUp]
public void SetUp()
{
this.originalCurrentDirectory = Directory.GetCurrentDirectory();
}
[TearDown]
public void TearDown()
{
// Since the RecoveryTool changes the current directory, we will reset it so that
// the teardown methods do not complain about the paths being used by another process.
if (this.originalCurrentDirectory != null)
{
Directory.SetCurrentDirectory(this.originalCurrentDirectory);
}
}
[Test]
[Category("RecoveryTool")]
public void RecoveryRestorePrefix()
{
string sourceDirsep;
long fileCount;
string largestprefix;
largestprefix = CommandLine.RecoveryTool.Restore.GetLargestPrefix(new string[] { }, out sourceDirsep, out fileCount);
Assert.AreEqual("", largestprefix);
// sourceDirsep unspecified
Assert.AreEqual(0, fileCount);
largestprefix = CommandLine.RecoveryTool.Restore.GetLargestPrefix(new string[] { "" }, out sourceDirsep, out fileCount);
Assert.AreEqual("", largestprefix);
// sourceDirsep unspecified
Assert.AreEqual(1, fileCount);
// Windows paths
largestprefix = CommandLine.RecoveryTool.Restore.GetLargestPrefix(new string[] {
"C:\\Users\\User\\Pictures\\a.png"
}, out sourceDirsep, out fileCount);
Assert.AreEqual("C:\\Users\\User\\Pictures\\", largestprefix);
Assert.AreEqual("\\", sourceDirsep);
Assert.AreEqual(1, fileCount);
largestprefix = CommandLine.RecoveryTool.Restore.GetLargestPrefix(new string[] {
"C:\\Users\\User\\Pictures\\a.png",
"C:\\Users\\User\\Pictures\\b.jpg",
"C:\\Users\\User\\Pictures\\c.txt"
}, out sourceDirsep, out fileCount);
Assert.AreEqual("C:\\Users\\User\\Pictures\\", largestprefix);
Assert.AreEqual("\\", sourceDirsep);
Assert.AreEqual(3, fileCount);
largestprefix = CommandLine.RecoveryTool.Restore.GetLargestPrefix(new string[] {
"C:\\Users\\User\\Pictures\\a.png",
"C:\\Users\\User\\Pictures\\b.jpg",
"C:\\Users\\User2\\Pictures\\b.jpg"
}, out sourceDirsep, out fileCount);
Assert.AreEqual("C:\\Users\\", largestprefix);
Assert.AreEqual("\\", sourceDirsep);
Assert.AreEqual(3, fileCount);
largestprefix = CommandLine.RecoveryTool.Restore.GetLargestPrefix(new string[] {
"C:\\Users\\User\\Pictures\\a.png",
"C:\\Users\\User\\Pictures\\b.jpg",
"C:\\Data\\a.png"
}, out sourceDirsep, out fileCount);
Assert.AreEqual("C:\\", largestprefix);
Assert.AreEqual("\\", sourceDirsep);
Assert.AreEqual(3, fileCount);
largestprefix = CommandLine.RecoveryTool.Restore.GetLargestPrefix(new string[] {
"C:\\Users\\User\\Pictures\\a.png",
"D:\\Users\\User\\Pictures\\a.jpg"
}, out sourceDirsep, out fileCount);
Assert.AreEqual("", largestprefix);
Assert.AreEqual("\\", sourceDirsep);
Assert.AreEqual(2, fileCount);
largestprefix = CommandLine.RecoveryTool.Restore.GetLargestPrefix(new string[] {
"C:\\Users\\User\\Pictures\\a.png",
""
}, out sourceDirsep, out fileCount);
Assert.AreEqual("", largestprefix);
Assert.AreEqual("\\", sourceDirsep);
Assert.AreEqual(2, fileCount);
// Unix paths
largestprefix = CommandLine.RecoveryTool.Restore.GetLargestPrefix(new string[] {
"/home/user/pictures/a.png"
}, out sourceDirsep, out fileCount);
Assert.AreEqual("/home/user/pictures/", largestprefix);
Assert.AreEqual("/", sourceDirsep);
Assert.AreEqual(1, fileCount);
largestprefix = CommandLine.RecoveryTool.Restore.GetLargestPrefix(new string[] {
"/home/user/pictures/a.png",
"/home/user/pictures/b.jpg",
"/home/user/pictures/c.txt"
}, out sourceDirsep, out fileCount);
Assert.AreEqual("/home/user/pictures/", largestprefix);
Assert.AreEqual("/", sourceDirsep);
Assert.AreEqual(3, fileCount);
largestprefix = CommandLine.RecoveryTool.Restore.GetLargestPrefix(new string[] {
"/home/user/pictures/a.png",
"/home/user/pictures/b.jpg",
"/home/user2/pictures/c.txt"
}, out sourceDirsep, out fileCount);
Assert.AreEqual("/home/", largestprefix);
Assert.AreEqual("/", sourceDirsep);
Assert.AreEqual(3, fileCount);
largestprefix = CommandLine.RecoveryTool.Restore.GetLargestPrefix(new string[] {
"/home/user/pictures/a.png",
"/media/data/a.png"
}, out sourceDirsep, out fileCount);
Assert.AreEqual("/", largestprefix);
Assert.AreEqual("/", sourceDirsep);
Assert.AreEqual(2, fileCount);
largestprefix = CommandLine.RecoveryTool.Restore.GetLargestPrefix(new string[] {
"/home/user/pictures/a.png",
""
}, out sourceDirsep, out fileCount);
Assert.AreEqual("", largestprefix);
Assert.AreEqual("/", sourceDirsep);
Assert.AreEqual(2, fileCount);
}
[Test]
[Category("RecoveryTool")]
public void RecoveryRestorePathMap()
{
// Windows source paths
string restorePath = CommandLine.RecoveryTool.Restore.MapToRestorePath("C:\\Users\\User\\Pictures\\a.png", "C:\\Users\\User\\Pictures\\", "restore", "\\");
// Replace the alt directory separator with normal directory separator to compare paths,
// otherwise the path returned by Path.Combine does not match
restorePath = restorePath.Replace(Path.AltDirectorySeparatorChar, Path.DirectorySeparatorChar);
Assert.AreEqual(Path.Combine("restore", "a.png"), restorePath);
restorePath = CommandLine.RecoveryTool.Restore.MapToRestorePath("C:\\Users\\User\\Pictures\\a.png", "C:\\Users\\", "restore", "\\");
restorePath = restorePath.Replace(Path.AltDirectorySeparatorChar, Path.DirectorySeparatorChar);
Assert.AreEqual(Path.Combine("restore", "User", "Pictures", "a.png"), restorePath);
restorePath = CommandLine.RecoveryTool.Restore.MapToRestorePath("C:\\Users\\User\\Pictures\\a.png", "C:\\Users\\", "restore" + Path.DirectorySeparatorChar, "\\");
restorePath = restorePath.Replace(Path.AltDirectorySeparatorChar, Path.DirectorySeparatorChar);
Assert.AreEqual(Path.Combine("restore", "User", "Pictures", "a.png"), restorePath);
restorePath = CommandLine.RecoveryTool.Restore.MapToRestorePath("C:\\Users\\User\\Pictures\\a.png", "", "restore", "\\");
restorePath = restorePath.Replace(Path.AltDirectorySeparatorChar, Path.DirectorySeparatorChar);
Assert.AreEqual(Path.Combine("restore", "C", "Users", "User", "Pictures", "a.png"), restorePath);
// This is an absolute restore path on Windows and a relative path with backslashes on Unix
restorePath = CommandLine.RecoveryTool.Restore.MapToRestorePath("C:\\Users\\User\\Pictures\\a.png", "", "C:\\Users\\User\\restore", "\\");
restorePath = restorePath.Replace(Path.AltDirectorySeparatorChar, Path.DirectorySeparatorChar);
Assert.AreEqual(Path.Combine("C:\\Users\\User\\restore", "C", "Users", "User", "Pictures", "a.png"), restorePath);
// Unix source paths
restorePath = CommandLine.RecoveryTool.Restore.MapToRestorePath("/home/user/pictures/a.png", "/home/user/pictures/", "restore", "/");
restorePath = restorePath.Replace(Path.AltDirectorySeparatorChar, Path.DirectorySeparatorChar);
Assert.AreEqual(Path.Combine("restore", "a.png"), restorePath);
restorePath = CommandLine.RecoveryTool.Restore.MapToRestorePath("/home/user/pictures/a.png", "/home/user/pictures/", "restore" + Path.DirectorySeparatorChar, "/");
restorePath = restorePath.Replace(Path.AltDirectorySeparatorChar, Path.DirectorySeparatorChar);
Assert.AreEqual(Path.Combine("restore", "a.png"), restorePath);
restorePath = CommandLine.RecoveryTool.Restore.MapToRestorePath("/home/user/pictures/a.png", "/home/", "restore", "/");
restorePath = restorePath.Replace(Path.AltDirectorySeparatorChar, Path.DirectorySeparatorChar);
Assert.AreEqual(Path.Combine("restore", "user", "pictures", "a.png"), restorePath);
restorePath = CommandLine.RecoveryTool.Restore.MapToRestorePath("/home/user/pictures/a.png", "/", "restore", "/");
restorePath = restorePath.Replace(Path.AltDirectorySeparatorChar, Path.DirectorySeparatorChar);
Assert.AreEqual(Path.Combine("restore", "home", "user", "pictures", "a.png"), restorePath);
// This is an absolute restore path on Windows and a relative path with backslashes on Unix
restorePath = CommandLine.RecoveryTool.Restore.MapToRestorePath("/home/user/pictures/a.png", "/", "C:\\Users\\User\\restore", "/");
restorePath = restorePath.Replace(Path.AltDirectorySeparatorChar, Path.DirectorySeparatorChar);
Assert.AreEqual(Path.Combine("C:\\Users\\User\\restore", "home", "user", "pictures", "a.png"), restorePath);
}
[Test]
[Category("RecoveryTool")]
[TestCase("false", "true")]
[TestCase("true", "false")]
[TestCase("false", "false")]
public void Recover(string buildIndexWithFiles, bool reducedMemoryUsage)
{
// Files to create in MB.
int[] fileSizes = { 0, 10, 20, 30 };
foreach (int size in fileSizes)
{
byte[] data = new byte[size * 1024 * 1024];
Random rng = new Random();
rng.NextBytes(data);
File.WriteAllBytes(Path.Combine(this.DATAFOLDER, size + "MB"), data);
}
const string subdirectoryName = "subdirectory";
string subdirectoryPath = Path.Combine(this.DATAFOLDER, subdirectoryName);
Directory.CreateDirectory(subdirectoryPath);
foreach (int size in fileSizes)
{
byte[] data = new byte[size * 1024 * 1024];
Random rng = new Random();
rng.NextBytes(data);
File.WriteAllBytes(Path.Combine(subdirectoryPath, size + "MB"), data);
}
// Run a backup.
Dictionary<string, string> options = new Dictionary<string, string>(this.TestOptions);
string backendURL = "file://" + this.TARGETFOLDER;
using (Controller c = new Controller(backendURL, options, null))
{
IBackupResults backupResults = c.Backup(new[] { this.DATAFOLDER });
Assert.AreEqual(0, backupResults.Errors.Count());
Assert.AreEqual(0, backupResults.Warnings.Count());
}
// Download the backend files.
string downloadFolder = Path.Combine(this.RESTOREFOLDER, "downloadedFiles");
Directory.CreateDirectory(downloadFolder);
int status = CommandLine.RecoveryTool.Program.Main(new[] { "download", $"{backendURL}", $"{downloadFolder}", $"--passphrase={options["passphrase"]}" });
Assert.AreEqual(0, status);
// Create the index.
status = CommandLine.RecoveryTool.Program.Main(new[] { "index", $"{downloadFolder}", $"--build-index-with-files={buildIndexWithFiles}" });
Assert.AreEqual(0, status);
// Restore to a different folder.
string restoreFolder = Path.Combine(this.RESTOREFOLDER, "restoredFiles");
Directory.CreateDirectory(restoreFolder);
status = CommandLine.RecoveryTool.Program.Main(new[] { "restore", $"{downloadFolder}", $"--targetpath={restoreFolder}", $"--reduce-memory-use={reducedMemoryUsage}" });
Assert.AreEqual(0, status);
TestUtils.AssertDirectoryTreesAreEquivalent(this.DATAFOLDER, restoreFolder, false, "Verifying restore using RecoveryTool.");
}
[Test]
[Category("RecoveryTool")]
[TestCase(false)]
[TestCase(true)]
public void Recompress(bool noEncryption)
{
// Files to create in MB.
int[] fileSizes = { 10, 20, 30 };
foreach (int size in fileSizes)
{
byte[] data = new byte[size * 1024 * 1024];
Random rng = new Random();
rng.NextBytes(data);
File.WriteAllBytes(Path.Combine(this.DATAFOLDER, size + "MB"), data);
}
// Run a backup.
Dictionary<string, string> options = new Dictionary<string, string>(this.TestOptions)
{
["no-encryption"] = noEncryption.ToString()
};
string backendURL = "file://" + this.TARGETFOLDER;
using (Controller c = new Controller(backendURL, options, null))
{
IBackupResults backupResults = c.Backup(new[] { this.DATAFOLDER });
Assert.AreEqual(0, backupResults.Errors.Count());
Assert.AreEqual(0, backupResults.Warnings.Count());
}
// Recompress.
string downloadFolder = Path.Combine(this.RESTOREFOLDER, "downloadedFiles");
Directory.CreateDirectory(downloadFolder);
int status = CommandLine.RecoveryTool.Program.Main(new[] { "recompress", "zip", $"{backendURL}", this.RESTOREFOLDER, $"--passphrase={options["passphrase"]}" });
Assert.AreEqual(0, status);
}
}
}