Kenneth Skovhede
179d1ceb47
This PR has a large blast radius because it takes the final step and bumps up the Controller to be fully async. We have historically done a piece-by-piece update, so all operations were already async but the controller interface was kept synchronous. With this update, the controller is now fully async and all tests are updated. Most places where the new C# compiler warns about function names not ending in `Async` were also adressed, giving a massive refactor change. Functionally, no changes are done.
643 lines
31 KiB
C#
643 lines
31 KiB
C#
// Copyright (C) 2026, The Duplicati Team
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// https://duplicati.com, hello@duplicati.com
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Threading.Tasks;
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using Duplicati.Library.Interface;
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using Duplicati.Library.Main.Database;
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using Duplicati.Library.SQLiteHelper;
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using NUnit.Framework;
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using Assert = NUnit.Framework.Legacy.ClassicAssert;
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namespace Duplicati.UnitTest
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{
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public class RepairWithMissingRemoteFiles : BasicSetupHelper
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{
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// TODO: Add more tests to cover the following scenarios:
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// Test where a single block in a large file is missing + run purge-broken-files
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// Test that fetching remote sources for blocks is working
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[Test]
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[Category("Targeted")]
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[TestCase(false, true, false)]
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[TestCase(true, true, false)]
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[TestCase(true, false, false)]
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public async Task TestRepairWithMissingDblocksAsync(bool deleteDblockFiles, bool deleteIndexFiles, bool deleteDlistFiles)
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{
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var testopts = TestOptions.Expand(new { blocksize = "1kb", no_encryption = true, rebuild_missing_dblock_files = true, number_of_retries = 0 });
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// 1. Make a backup of a single file (1 block + 3 bytes for a block with less data)
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var data = new byte[1024 + 3];
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data.AsSpan().Fill((byte)'a');
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File.WriteAllBytes(Path.Combine(DATAFOLDER, "a"), data);
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using (var c = new Library.Main.Controller("file://" + TARGETFOLDER, testopts, null))
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TestUtils.AssertResults(await c.BackupAsync([DATAFOLDER]));
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// 2. Delete files
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if (deleteDblockFiles)
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{
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var dblockFiles = Directory.GetFiles(TARGETFOLDER, "*.dblock.*", SearchOption.TopDirectoryOnly).ToList();
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foreach (var file in dblockFiles)
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File.Delete(file);
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}
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if (deleteIndexFiles)
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{
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var dindexFiles = Directory.GetFiles(TARGETFOLDER, "*.dindex.*", SearchOption.TopDirectoryOnly).ToList();
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foreach (var file in dindexFiles)
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File.Delete(file);
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}
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if (deleteDlistFiles)
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{
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var dlistFiles = Directory.GetFiles(TARGETFOLDER, "*.dlist.*", SearchOption.TopDirectoryOnly).ToList();
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foreach (var file in dlistFiles)
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File.Delete(file);
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}
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// 3. Try to repair the remote destination
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using (var c = new Library.Main.Controller("file://" + TARGETFOLDER, testopts, null))
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TestUtils.AssertResults(await c.RepairAsync());
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// 4. Test that the database is now valid
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using (var c = new Library.Main.Controller("file://" + TARGETFOLDER, testopts, null))
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TestUtils.AssertResults(await c.TestAsync());
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}
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[Test]
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[Category("Targeted")]
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[TestCase(false, true, false)]
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[TestCase(true, true, false)]
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[TestCase(true, false, false)]
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public async Task TestRepairWithMissingDblocksAndMultipleSourcesAsync(bool deleteDblockFiles, bool deleteIndexFiles, bool deleteDlistFiles)
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{
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var testopts = TestOptions.Expand(new { blocksize = "1kb", no_encryption = true, rebuild_missing_dblock_files = true });
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// 1. Make some shared data
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var data = new byte[1024 + 3];
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data.AsSpan().Fill((byte)'a');
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File.WriteAllBytes(Path.Combine(DATAFOLDER, "a"), data);
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File.WriteAllBytes(Path.Combine(DATAFOLDER, "b"), data.AsSpan().Slice(0, 1024).ToArray());
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File.WriteAllBytes(Path.Combine(DATAFOLDER, "c"), data.AsSpan().Slice(0, 1024).ToArray());
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File.WriteAllBytes(Path.Combine(DATAFOLDER, "d"), data.AsSpan().Slice(1024, 3).ToArray());
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using (var c = new Library.Main.Controller("file://" + TARGETFOLDER, testopts, null))
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TestUtils.AssertResults(await c.BackupAsync([DATAFOLDER]));
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// 2. Delete files
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if (deleteDblockFiles)
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{
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var dblockFiles = Directory.GetFiles(TARGETFOLDER, "*.dblock.*", SearchOption.TopDirectoryOnly).ToList();
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foreach (var file in dblockFiles)
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File.Delete(file);
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}
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if (deleteIndexFiles)
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{
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var dindexFiles = Directory.GetFiles(TARGETFOLDER, "*.dindex.*", SearchOption.TopDirectoryOnly).ToList();
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foreach (var file in dindexFiles)
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File.Delete(file);
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}
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if (deleteDlistFiles)
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{
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var dlistFiles = Directory.GetFiles(TARGETFOLDER, "*.dlist.*", SearchOption.TopDirectoryOnly).ToList();
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foreach (var file in dlistFiles)
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File.Delete(file);
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}
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// 3. Try to repair the remote destination
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using (var c = new Library.Main.Controller("file://" + TARGETFOLDER, testopts, null))
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{
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TestUtils.AssertResults(await c.RepairAsync());
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TestUtils.AssertResults(await c.TestAsync());
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}
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}
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[Test]
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[Category("Targeted")]
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[TestCase(false, true, false)]
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[TestCase(true, true, false)]
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[TestCase(true, false, false)]
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public async Task TestRepairWithDataFillingMultipleBlocklistsAsync(bool deleteDblockFiles, bool deleteIndexFiles, bool deleteDlistFiles)
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{
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var testopts = TestOptions.Expand(new { blocksize = "1kb", no_encryption = true, rebuild_missing_dblock_files = true });
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// 1. Make some shared data 1kb blocks, 32 bytes hash, 3 blocklists, and 5 bytes extra
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var data = new byte[1024 * 32 * 3 + 5];
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data.AsSpan().Fill((byte)'a');
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File.WriteAllBytes(Path.Combine(DATAFOLDER, "a"), data);
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File.WriteAllBytes(Path.Combine(DATAFOLDER, "b"), data.AsSpan().Slice(1024, 3).ToArray());
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Random.Shared.NextBytes(data);
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File.WriteAllBytes(Path.Combine(DATAFOLDER, "c"), data);
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Random.Shared.NextBytes(data);
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File.WriteAllBytes(Path.Combine(DATAFOLDER, "d"), data.AsSpan().Slice(0, 1028).ToArray());
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File.WriteAllBytes(Path.Combine(DATAFOLDER, "e"), data.AsSpan().Slice(4098, 67).ToArray());
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using (var c = new Library.Main.Controller("file://" + TARGETFOLDER, testopts, null))
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TestUtils.AssertResults(await c.BackupAsync([DATAFOLDER]));
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// 2. Delete files
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if (deleteDblockFiles)
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{
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var dblockFiles = Directory.GetFiles(TARGETFOLDER, "*.dblock.*", SearchOption.TopDirectoryOnly).ToList();
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foreach (var file in dblockFiles)
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File.Delete(file);
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}
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if (deleteIndexFiles)
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{
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var dindexFiles = Directory.GetFiles(TARGETFOLDER, "*.dindex.*", SearchOption.TopDirectoryOnly).ToList();
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foreach (var file in dindexFiles)
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File.Delete(file);
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}
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if (deleteDlistFiles)
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{
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var dlistFiles = Directory.GetFiles(TARGETFOLDER, "*.dlist.*", SearchOption.TopDirectoryOnly).ToList();
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foreach (var file in dlistFiles)
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File.Delete(file);
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}
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// 3. Try to repair the remote destination
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using (var c = new Library.Main.Controller("file://" + TARGETFOLDER, testopts, null))
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{
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TestUtils.AssertResults(await c.RepairAsync());
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TestUtils.AssertResults(await c.TestAsync());
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}
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}
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[Test]
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[Category("Targeted")]
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[TestCase(true, true, true)]
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[TestCase(true, false, false)]
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public async Task TestRepairWithSmallFileOnlyAsync(bool deleteDblockFiles, bool deleteIndexFiles, bool deleteDlistFiles)
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{
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var testopts = TestOptions.Expand(new { blocksize = "1kb", no_encryption = true, rebuild_missing_dblock_files = true });
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// 1. Make some shared data
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var data = new byte[3];
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data.AsSpan().Fill((byte)'a');
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File.WriteAllBytes(Path.Combine(DATAFOLDER, "a"), data);
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using (var c = new Library.Main.Controller("file://" + TARGETFOLDER, testopts, null))
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TestUtils.AssertResults(await c.BackupAsync([DATAFOLDER]));
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// 2. Delete files
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if (deleteDblockFiles)
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{
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var dblockFiles = Directory.GetFiles(TARGETFOLDER, "*.dblock.*", SearchOption.TopDirectoryOnly).ToList();
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foreach (var file in dblockFiles)
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File.Delete(file);
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}
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if (deleteIndexFiles)
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{
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var dindexFiles = Directory.GetFiles(TARGETFOLDER, "*.dindex.*", SearchOption.TopDirectoryOnly).ToList();
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foreach (var file in dindexFiles)
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File.Delete(file);
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}
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if (deleteDlistFiles)
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{
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var dlistFiles = Directory.GetFiles(TARGETFOLDER, "*.dlist.*", SearchOption.TopDirectoryOnly).ToList();
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foreach (var file in dlistFiles)
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File.Delete(file);
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}
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// 3. Try to repair the remote destination
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using (var c = new Library.Main.Controller("file://" + TARGETFOLDER, testopts, null))
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{
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TestUtils.AssertResults(await c.RepairAsync());
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TestUtils.AssertResults(await c.TestAsync());
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}
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}
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[Test]
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[Category("Targeted")]
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[TestCase(false, true, false)]
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[TestCase(true, true, false)]
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[TestCase(true, false, false)]
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[TestCase(true, true, true)]
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[TestCase(true, false, true)]
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public async Task TestRepairWithDataFillingMultipleBlocklistsRandomAsync(bool deleteDblockFiles, bool deleteIndexFiles, bool deleteDlistFiles)
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{
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var testopts = TestOptions.Expand(new { blocksize = "1kb", no_encryption = true, rebuild_missing_dblock_files = true });
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// 1. Make some shared data 1kb blocks, 32 bytes hash, 3 blocklists, and 1028 bytes extra
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var data = new byte[1024 * 32 * 3 + 1028];
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Random.Shared.NextBytes(data);
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File.WriteAllBytes(Path.Combine(DATAFOLDER, "a"), data);
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using (var c = new Library.Main.Controller("file://" + TARGETFOLDER, testopts, null))
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TestUtils.AssertResults(await c.BackupAsync([DATAFOLDER]));
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// 2. Delete files
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if (deleteDblockFiles)
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{
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var dblockFiles = Directory.GetFiles(TARGETFOLDER, "*.dblock.*", SearchOption.TopDirectoryOnly).ToList();
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foreach (var file in dblockFiles)
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File.Delete(file);
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}
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if (deleteIndexFiles)
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{
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var dindexFiles = Directory.GetFiles(TARGETFOLDER, "*.dindex.*", SearchOption.TopDirectoryOnly).ToList();
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foreach (var file in dindexFiles)
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File.Delete(file);
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}
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if (deleteDlistFiles)
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{
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var dlistFiles = Directory.GetFiles(TARGETFOLDER, "*.dlist.*", SearchOption.TopDirectoryOnly).ToList();
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foreach (var file in dlistFiles)
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File.Delete(file);
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}
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// 3. Try to repair the remote destination
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using (var c = new Library.Main.Controller("file://" + TARGETFOLDER, testopts, null))
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{
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TestUtils.AssertResults(await c.RepairAsync());
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TestUtils.AssertResults(await c.TestAsync());
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}
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// 4. Verify that restore works
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using (var c = new Library.Main.Controller("file://" + TARGETFOLDER, testopts.Expand(new { restore_path = RESTOREFOLDER }), null))
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TestUtils.AssertResults(await c.RestoreAsync(null));
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TestUtils.AssertDirectoryTreesAreEquivalent(DATAFOLDER, RESTOREFOLDER, !Library.Utility.Utility.ParseBoolOption(testopts, "skip-metadata"), "Restore");
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}
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[Test]
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[Category("Targeted")]
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[TestCase(true, true, true)]
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[TestCase(true, false, false)]
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public async Task TestRepairWithDryRunAsync(bool deleteDblockFiles, bool deleteIndexFiles, bool deleteDlistFiles)
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{
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var testopts = TestOptions.Expand(new { blocksize = "1kb", no_encryption = true, rebuild_missing_dblock_files = true });
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// 1. Make some random data
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var data = new byte[1028];
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Random.Shared.NextBytes(data);
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File.WriteAllBytes(Path.Combine(DATAFOLDER, "a"), data);
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using (var c = new Library.Main.Controller("file://" + TARGETFOLDER, testopts, null))
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TestUtils.AssertResults(await c.BackupAsync([DATAFOLDER]));
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// 2. Delete files
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if (deleteDblockFiles)
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{
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var dblockFiles = Directory.GetFiles(TARGETFOLDER, "*.dblock.*", SearchOption.TopDirectoryOnly).ToList();
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foreach (var file in dblockFiles)
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File.Delete(file);
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}
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if (deleteIndexFiles)
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{
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var dindexFiles = Directory.GetFiles(TARGETFOLDER, "*.dindex.*", SearchOption.TopDirectoryOnly).ToList();
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foreach (var file in dindexFiles)
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File.Delete(file);
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}
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if (deleteDlistFiles)
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{
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var dlistFiles = Directory.GetFiles(TARGETFOLDER, "*.dlist.*", SearchOption.TopDirectoryOnly).ToList();
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foreach (var file in dlistFiles)
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File.Delete(file);
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}
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async Task<(long remoteVolumes, long duplicatedBlocks, List<long> blockVolumeIds, List<(long, long)> indexVolumeLinks)> GetDbSignatureAsync()
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{
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using var db = await SQLiteLoader.LoadConnectionAsync(DBFILE);
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using var cmd = db.CreateCommand();
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var remoteVolumes = cmd.ExecuteScalarInt64("SELECT COUNT(*) FROM RemoteVolume");
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var duplicatedBlocks = cmd.ExecuteScalarInt64("SELECT COUNT(*) FROM DuplicateBlock");
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var blockVolumeIds = cmd.ExecuteReaderEnumerable("SELECT VolumeID FROM Block").Select(x => x.ConvertValueToInt64(0)).ToList();
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var indexVolumeLinks = cmd.ExecuteReaderEnumerable("SELECT IndexVolumeID, BlockVolumeID FROM IndexBlockLink").Select(x => (x.ConvertValueToInt64(0), x.ConvertValueToInt64(1))).ToList();
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return (remoteVolumes, duplicatedBlocks, blockVolumeIds, indexVolumeLinks);
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}
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var preSignature = await GetDbSignatureAsync();
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// 3. Try to repair the remote destination
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using (var c = new Library.Main.Controller("file://" + TARGETFOLDER, testopts.Expand(new { dry_run = true }), null))
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TestUtils.AssertResults(await c.RepairAsync());
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var postSignature = await GetDbSignatureAsync();
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Assert.AreEqual(preSignature.remoteVolumes, postSignature.remoteVolumes, "Remote volumes count should be the same after dry run repair.");
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Assert.AreEqual(preSignature.duplicatedBlocks, postSignature.duplicatedBlocks, "Duplicated blocks count should be the same after dry run repair.");
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Assert.AreEqual(preSignature.blockVolumeIds.Count, postSignature.blockVolumeIds.Count, "Block volume IDs count should be the same after dry run repair.");
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Assert.AreEqual(preSignature.indexVolumeLinks.Count, postSignature.indexVolumeLinks.Count, "Index volume links count should be the same after dry run repair.");
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Assert.IsTrue(preSignature.blockVolumeIds.All(x => postSignature.blockVolumeIds.Contains(x)), "All block volume IDs should be present after dry run repair.");
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Assert.IsTrue(preSignature.indexVolumeLinks.All(x => postSignature.indexVolumeLinks.Contains(x)), "All index volume links should be present after dry run repair.");
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}
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[Test]
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[Category("Targeted")]
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public async Task TestRepairWithNoBlockAvailableFailsTaskAsync()
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{
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var testopts = TestOptions.Expand(new { blocksize = "1kb", no_encryption = true, rebuild_missing_dblock_files = true });
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// 1. Make some shared data 1kb blocks, 32 bytes hash, 3 blocklists, and 1028 bytes extra
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var data = new byte[1024 * 32 * 3 + 1028];
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Random.Shared.NextBytes(data);
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File.WriteAllBytes(Path.Combine(DATAFOLDER, "a"), data);
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using (var c = new Library.Main.Controller("file://" + TARGETFOLDER, testopts, null))
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TestUtils.AssertResults(await c.BackupAsync([DATAFOLDER]));
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// 2. Delete files
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var dblockFiles = Directory.GetFiles(TARGETFOLDER, "*.dblock.*", SearchOption.TopDirectoryOnly).ToList();
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foreach (var file in dblockFiles)
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File.Delete(file);
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// Destroy source data
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File.WriteAllBytes(Path.Combine(DATAFOLDER, "a"), new byte[0]);
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Directory.SetLastWriteTime(DATAFOLDER, DateTime.UtcNow.AddSeconds(1));
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// 3. Try to repair the remote destination
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using (var c = new Library.Main.Controller("file://" + TARGETFOLDER, testopts, null))
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{
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var res = await c.RepairAsync();
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Assert.IsTrue(res.Errors.Where(x => x.Contains("purge-broken-files")).Count() == 1, "Repair should fail with missing block data.");
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}
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}
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[Test]
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[Category("Targeted")]
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public async Task TestPartialRepairPossibleWithMissingMetadataAsync()
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{
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var testopts = TestOptions.Expand(new
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{
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blocksize = "1kb",
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no_encryption = true,
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rebuild_missing_dblock_files = true
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});
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// 1. Make some shared data 1kb blocks, 32 bytes hash, 3 blocklists, and 1028 bytes extra
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var data = new byte[1024 * 32 * 3 + 1028];
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Random.Shared.NextBytes(data);
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File.WriteAllBytes(Path.Combine(DATAFOLDER, "a"), data);
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using (var c = new Library.Main.Controller("file://" + TARGETFOLDER, testopts, null))
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TestUtils.AssertResults(await c.BackupAsync([DATAFOLDER]));
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// 2. Delete files
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var dblockFiles = Directory.GetFiles(TARGETFOLDER, "*.dblock.*", SearchOption.TopDirectoryOnly).ToList();
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foreach (var file in dblockFiles)
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File.Delete(file);
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// Destroy some source data
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Directory.SetLastWriteTime(DATAFOLDER, DateTime.UtcNow.AddSeconds(1));
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// 3. Try to repair the remote destination
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using (var c = new Library.Main.Controller("file://" + TARGETFOLDER, testopts, null))
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{
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var res = await c.RepairAsync();
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Assert.IsTrue(res.Warnings.Where(x => x.Contains("purge-broken-files")).Count() == 1, "Repair should warn about missing block data.");
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// Ensure that the partial repair did not clean up fully
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Assert.ThrowsAsync<RemoteListVerificationException>(() => c.TestAsync());
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// Purge broken files should be possible
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TestUtils.AssertResults(await c.PurgeBrokenFilesAsync(null));
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TestUtils.AssertResults(await c.TestAsync(int.MaxValue));
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}
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// 4. Verify that restore works
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using (var c = new Library.Main.Controller("file://" + TARGETFOLDER, testopts.Expand(new { restore_path = RESTOREFOLDER }), null))
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TestUtils.AssertResults(await c.RestoreAsync(null));
|
|
|
|
TestUtils.AssertDirectoryTreesAreEquivalent(DATAFOLDER, RESTOREFOLDER, !Library.Utility.Utility.ParseBoolOption(testopts, "skip-metadata"), "Restore");
|
|
}
|
|
|
|
[Test]
|
|
[Category("Targeted")]
|
|
[TestCase(false)]
|
|
[TestCase(true)]
|
|
public async Task TestPartialRepairPossibleWithDeletedFilesAsync(bool deleteLargeFile)
|
|
{
|
|
var testopts = TestOptions.Expand(new
|
|
{
|
|
blocksize = "1kb",
|
|
no_encryption = true,
|
|
rebuild_missing_dblock_files = true
|
|
});
|
|
|
|
// 1. Make some shared data 1kb blocks, 32 bytes hash, 3 blocklists, and 1028 bytes extra
|
|
var data = new byte[1024 * 32 * 3 + 1028];
|
|
Random.Shared.NextBytes(data);
|
|
File.WriteAllBytes(Path.Combine(DATAFOLDER, "a"), data);
|
|
File.WriteAllBytes(Path.Combine(DATAFOLDER, "b"), data.AsSpan().Slice(0, 1024).ToArray());
|
|
|
|
using (var c = new Library.Main.Controller("file://" + TARGETFOLDER, testopts, null))
|
|
TestUtils.AssertResults(await c.BackupAsync([DATAFOLDER]));
|
|
|
|
// 2. Delete files
|
|
var dblockFiles = Directory.GetFiles(TARGETFOLDER, "*.dblock.*", SearchOption.TopDirectoryOnly).ToList();
|
|
foreach (var file in dblockFiles)
|
|
File.Delete(file);
|
|
|
|
// Destroy some source data (also destroys the metadata)
|
|
if (deleteLargeFile)
|
|
File.Delete(Path.Combine(DATAFOLDER, "a"));
|
|
else
|
|
File.Delete(Path.Combine(DATAFOLDER, "b"));
|
|
|
|
// 3. Try to repair the remote destination
|
|
using (var c = new Library.Main.Controller("file://" + TARGETFOLDER, testopts, null))
|
|
{
|
|
var res = await c.RepairAsync();
|
|
Assert.IsTrue(res.Warnings.Where(x => x.Contains("purge-broken-files")).Count() == 1, "Repair should warn about missing block data.");
|
|
|
|
// Ensure that the partial repair did not clean up fully
|
|
Assert.ThrowsAsync<RemoteListVerificationException>(() => c.TestAsync());
|
|
|
|
// Purge broken files should be possible
|
|
TestUtils.AssertResults(await c.PurgeBrokenFilesAsync(null));
|
|
TestUtils.AssertResults(await c.TestAsync(int.MaxValue));
|
|
|
|
var files = (await c.ListAsync("*")).Files.ToList();
|
|
Console.WriteLine("Files: " + string.Join(", ", files.Select(x => x.Path)));
|
|
}
|
|
|
|
// 4. Verify that restore works
|
|
using (var c = new Library.Main.Controller("file://" + TARGETFOLDER, testopts.Expand(new { restore_path = RESTOREFOLDER }), null))
|
|
TestUtils.AssertResults(await c.RestoreAsync(null));
|
|
|
|
Assert.That(File.Exists(Path.Combine(RESTOREFOLDER, "a")), Is.EqualTo(!deleteLargeFile), "Restored file 'a' should be restored.");
|
|
Assert.That(File.Exists(Path.Combine(RESTOREFOLDER, "b")), Is.EqualTo(true), "File 'b' should always be restored.");
|
|
if (!deleteLargeFile)
|
|
Assert.That(File.ReadAllBytes(Path.Combine(RESTOREFOLDER, "a")), Is.EqualTo(data), "Restored file 'a' should be the same as the original.");
|
|
else
|
|
Assert.That(File.ReadAllBytes(Path.Combine(RESTOREFOLDER, "b")), Is.EqualTo(data.AsSpan().Slice(0, 1024).ToArray()), "Restored file 'b' should be the same as the original.");
|
|
}
|
|
|
|
[Test]
|
|
[Category("Targeted")]
|
|
[TestCase(0)] // Large file only
|
|
[TestCase(1)] // Small file only
|
|
[TestCase(2)] // Both files
|
|
[TestCase(3)] // Metadata only
|
|
public async Task TestPartialRepairPossibleWithPartialDataAsync(int scenario)
|
|
{
|
|
var testopts = TestOptions.Expand(new { blocksize = "1kb", no_encryption = true, rebuild_missing_dblock_files = true });
|
|
|
|
// 1. Make some shared data 1kb blocks, 32 bytes hash, 3 blocklists, and 1028 bytes extra
|
|
var data = new byte[1024 * 32 * 3 + 1028];
|
|
Random.Shared.NextBytes(data);
|
|
File.WriteAllBytes(Path.Combine(DATAFOLDER, "a"), data);
|
|
File.WriteAllBytes(Path.Combine(DATAFOLDER, "b"), data.AsSpan().Slice(0, 1024).ToArray());
|
|
|
|
using (var c = new Library.Main.Controller("file://" + TARGETFOLDER, testopts, null))
|
|
TestUtils.AssertResults(await c.BackupAsync([DATAFOLDER]));
|
|
|
|
// 2. Delete files
|
|
var dblockFiles = Directory.GetFiles(TARGETFOLDER, "*.dblock.*", SearchOption.TopDirectoryOnly).ToList();
|
|
foreach (var file in dblockFiles)
|
|
File.Delete(file);
|
|
|
|
var corruptLargeFile = scenario == 0 || scenario == 2;
|
|
var corruptSmallFile = scenario == 1 || scenario == 2;
|
|
var corruptBothFiles = corruptLargeFile && corruptSmallFile;
|
|
var destroyMetadata = scenario == 3;
|
|
|
|
// Destroy some source data (keep metadata)
|
|
var prev = data[1];
|
|
data[1] = 1;
|
|
if (corruptLargeFile)
|
|
{
|
|
var timestamp = File.GetLastWriteTime(Path.Combine(DATAFOLDER, "a"));
|
|
File.WriteAllBytes(Path.Combine(DATAFOLDER, "a"), data);
|
|
File.SetLastWriteTime(Path.Combine(DATAFOLDER, "a"), timestamp);
|
|
}
|
|
|
|
if (corruptSmallFile)
|
|
{
|
|
var timestamp = File.GetLastWriteTime(Path.Combine(DATAFOLDER, "b"));
|
|
File.WriteAllBytes(Path.Combine(DATAFOLDER, "b"), data.AsSpan().Slice(0, 1024).ToArray());
|
|
File.SetLastWriteTime(Path.Combine(DATAFOLDER, "b"), timestamp);
|
|
}
|
|
data[1] = prev;
|
|
|
|
// Make sure that destroying the metadata does not destroy the files
|
|
if (destroyMetadata)
|
|
{
|
|
File.SetLastWriteTime(Path.Combine(DATAFOLDER, "a"), DateTime.UtcNow.AddSeconds(1));
|
|
File.SetLastWriteTime(Path.Combine(DATAFOLDER, "b"), DateTime.UtcNow.AddSeconds(1.1));
|
|
}
|
|
|
|
// 3. Try to repair the remote destination
|
|
using (var c = new Library.Main.Controller("file://" + TARGETFOLDER, testopts, null))
|
|
{
|
|
var res = await c.RepairAsync();
|
|
|
|
if (corruptBothFiles || destroyMetadata)
|
|
{
|
|
Assert.IsTrue(res.Warnings.Count(x => x.Contains("purge-broken-files")) == 1, "Repair should warn about missing block data.");
|
|
|
|
// Ensure that the partial repair did not clean up fully
|
|
Assert.ThrowsAsync<RemoteListVerificationException>(() => c.TestAsync());
|
|
}
|
|
else
|
|
{
|
|
TestUtils.AssertResults(res);
|
|
TestUtils.AssertResults(await c.TestAsync(int.MaxValue));
|
|
}
|
|
|
|
// Purge broken files should be possible
|
|
TestUtils.AssertResults(await c.PurgeBrokenFilesAsync(null));
|
|
TestUtils.AssertResults(await c.TestAsync(int.MaxValue));
|
|
}
|
|
|
|
// 4. Verify that restore works
|
|
using (var c = new Library.Main.Controller("file://" + TARGETFOLDER, testopts.Expand(new { restore_path = RESTOREFOLDER }), null))
|
|
{
|
|
var res = await c.RestoreAsync(null);
|
|
if (corruptBothFiles)
|
|
{
|
|
// We get a warning because neither file can be restored
|
|
Assert.That(res.Errors.Count(), Is.EqualTo(0), "Restore should not fail.");
|
|
}
|
|
else
|
|
{
|
|
TestUtils.AssertResults(res);
|
|
}
|
|
}
|
|
|
|
Assert.That(File.Exists(Path.Combine(RESTOREFOLDER, "a")), Is.EqualTo(!corruptBothFiles), "File 'a' should be restored.");
|
|
Assert.That(File.Exists(Path.Combine(RESTOREFOLDER, "b")), Is.EqualTo(!corruptBothFiles), "File 'b' should be restored.");
|
|
if (!corruptLargeFile)
|
|
Assert.That(Convert.ToBase64String(File.ReadAllBytes(Path.Combine(RESTOREFOLDER, "a"))), Is.EqualTo(Convert.ToBase64String(data)), "Restored file 'a' should be the same as the original.");
|
|
else if (!corruptBothFiles)
|
|
Assert.That(Convert.ToBase64String(File.ReadAllBytes(Path.Combine(RESTOREFOLDER, "b"))), Is.EqualTo(Convert.ToBase64String(data.AsSpan().Slice(0, 1024))), "Restored file 'b' should be the same as the original.");
|
|
}
|
|
|
|
[Test]
|
|
[Category("Targeted")]
|
|
[TestCase(1)]
|
|
[TestCase(5)]
|
|
[TestCase(10)]
|
|
public async Task TestRepairPossibleWithMultipleDblockFilesAsync(int dblocksToDelete)
|
|
{
|
|
var testopts = TestOptions.Expand(new
|
|
{
|
|
blocksize = "1kb",
|
|
no_encryption = true,
|
|
rebuild_missing_dblock_files = true,
|
|
zip_compression_level = 0,
|
|
dblock_size = "10kb"
|
|
});
|
|
|
|
// 1. Make some shared data 1kb blocks, 32 bytes hash, 3 blocklists, and 1028 bytes extra
|
|
var data = new byte[1024 * 32 * 3 + 1028];
|
|
Random.Shared.NextBytes(data);
|
|
File.WriteAllBytes(Path.Combine(DATAFOLDER, "a"), data);
|
|
|
|
using (var c = new Library.Main.Controller("file://" + TARGETFOLDER, testopts, null))
|
|
TestUtils.AssertResults(await c.BackupAsync([DATAFOLDER]));
|
|
|
|
// 2. Delete files
|
|
var dblockFiles = Directory.GetFiles(TARGETFOLDER, "*.dblock.*", SearchOption.TopDirectoryOnly).ToArray();
|
|
Random.Shared.Shuffle(dblockFiles);
|
|
foreach (var file in dblockFiles.Take(dblocksToDelete))
|
|
File.Delete(file);
|
|
|
|
// 3. Try to repair the remote destination
|
|
using (var c = new Library.Main.Controller("file://" + TARGETFOLDER, testopts, null))
|
|
{
|
|
TestUtils.AssertResults(await c.RepairAsync());
|
|
TestUtils.AssertResults(await c.TestAsync());
|
|
}
|
|
|
|
// 4. Verify that restore works
|
|
using (var c = new Library.Main.Controller("file://" + TARGETFOLDER, testopts.Expand(new { restore_path = RESTOREFOLDER }), null))
|
|
TestUtils.AssertResults(await c.RestoreAsync(null));
|
|
|
|
TestUtils.AssertDirectoryTreesAreEquivalent(DATAFOLDER, RESTOREFOLDER, !Library.Utility.Utility.ParseBoolOption(testopts, "skip-metadata"), "Restore");
|
|
}
|
|
}
|
|
}
|
|
|