Adds multiswarm test

This commit is contained in:
Ben 2024-10-22 10:19:00 +02:00
parent d452293cac
commit 2f39327db2
No known key found for this signature in database
GPG Key ID: 0F16E812E736C24B
1 changed files with 228 additions and 0 deletions

View File

@ -0,0 +1,228 @@
using CodexPlugin;
using FileUtils;
using Logging;
using NUnit.Framework;
using Utils;
namespace CodexTests.DownloadConnectivityTests
{
[TestFixture]
public class MultiswarmTests : AutoBootstrapDistTest
{
[Test]
[Combinatorial]
public void Multiswarm(
[Values(3, 5)] int numFiles,
[Values(5, 20)] int fileSizeMb,
[Values(1)] int uploadersPerFile,
[Values(3)] int downloadersPerFile,
[Values(1)] int maxUploadsPerNode,
[Values(2, 3)] int maxDownloadsPerNode
)
{
var plan = CreateThePlan(numFiles, uploadersPerFile, downloadersPerFile, maxUploadsPerNode, maxDownloadsPerNode);
Assert.That(plan.NodePlans.Count, Is.LessThan(30));
RunThePlan(plan, fileSizeMb);
}
private void RunThePlan(Plan plan, int fileSizeMb)
{
foreach (var filePlan in plan.FilePlans) filePlan.File = GenerateTestFile(fileSizeMb.MB());
var nodes = StartCodex(plan.NodePlans.Count);
for (int i = 0; i < plan.NodePlans.Count; i++) plan.NodePlans[i].Node = nodes[i];
// Upload all files to their nodes.
foreach (var filePlan in plan.FilePlans)
{
foreach (var uploader in filePlan.Uploaders)
{
filePlan.Cid = uploader.Node!.UploadFile(filePlan.File!);
}
}
Thread.Sleep(5000); // Everything is processed and announced.
// Start all downloads (almost) simultaneously.
var tasks = new List<Task>();
foreach (var filePlan in plan.FilePlans)
{
foreach (var downloader in filePlan.Downloaders)
{
tasks.Add(Task.Run(() =>
{
var downloadedFile = downloader.Node!.DownloadContent(filePlan.Cid!);
lock (filePlan.DownloadedFiles)
{
filePlan.DownloadedFiles.Add(downloadedFile);
}
}));
}
}
Task.WaitAll(tasks.ToArray());
// Assert all files are correct.
foreach (var filePlan in plan.FilePlans)
{
foreach (var downloadedFile in filePlan.DownloadedFiles)
{
filePlan.File!.AssertIsEqual(downloadedFile);
}
}
}
private Plan CreateThePlan(int numFiles, int uploadersPerFile, int downloadersPerFile, int maxUploadsPerNode, int maxDownloadsPerNode)
{
var plan = new Plan(numFiles, uploadersPerFile, downloadersPerFile, maxUploadsPerNode, maxDownloadsPerNode);
plan.Initialize();
plan.LogPlan(GetTestLog());
return plan;
}
}
public class FilePlan
{
public FilePlan(int number)
{
Number = number;
}
public int Number { get; }
public TrackedFile? File { get; set; }
public ContentId? Cid { get; set; }
public List<TrackedFile?> DownloadedFiles { get; } = new List<TrackedFile?>();
public List<NodePlan> Uploaders { get; } = new List<NodePlan>();
public List<NodePlan> Downloaders { get; } = new List<NodePlan>();
public override string ToString()
{
return $"FilePlan[{Number}] " +
$"Uploaders:[{string.Join(",", Uploaders.Select(u => u.Number.ToString()))}] " +
$"Downloaders:[{string.Join(",", Downloaders.Select(u => u.Number.ToString()))}]";
}
}
public class NodePlan
{
public NodePlan(int number)
{
Number = number;
}
public int Number { get; }
public ICodexNode? Node { get; set; }
public List<FilePlan> Uploads { get; } = new List<FilePlan>();
public List<FilePlan> Downloads { get; } = new List<FilePlan>();
public bool Contains(FilePlan plan)
{
return Uploads.Contains(plan) || Downloads.Contains(plan);
}
public override string ToString()
{
return $"NodePlan[{Number}] " +
$"Uploads:[{string.Join(",", Uploads.Select(u => u.Number.ToString()))}] " +
$"Downloads:[{string.Join(",", Downloads.Select(u => u.Number.ToString()))}]";
}
}
public class Plan
{
private readonly int numFiles;
private readonly int uploadersPerFile;
private readonly int downloadersPerFile;
private readonly int maxUploadsPerNode;
private readonly int maxDownloadsPerNode;
public Plan(int numFiles, int uploadersPerFile, int downloadersPerFile, int maxUploadsPerNode, int maxDownloadsPerNode)
{
this.numFiles = numFiles;
this.uploadersPerFile = uploadersPerFile;
this.downloadersPerFile = downloadersPerFile;
this.maxUploadsPerNode = maxUploadsPerNode;
this.maxDownloadsPerNode = maxDownloadsPerNode;
}
public List<FilePlan> FilePlans { get; } = new List<FilePlan>();
public List<NodePlan> NodePlans { get; } = new List<NodePlan>();
public void Initialize()
{
for (int i = 0; i < numFiles; i++) FilePlans.Add(new FilePlan(i));
foreach (var filePlan in FilePlans)
{
while (filePlan.Uploaders.Count < uploadersPerFile) AddUploader(filePlan);
while (filePlan.Downloaders.Count < downloadersPerFile) AddDownloader(filePlan);
}
CollectionAssert.AllItemsAreUnique(FilePlans.Select(f => f.Number));
CollectionAssert.AllItemsAreUnique(NodePlans.Select(f => f.Number));
foreach (var filePlan in FilePlans)
{
Assert.That(filePlan.Uploaders.Count, Is.EqualTo(uploadersPerFile));
Assert.That(filePlan.Downloaders.Count, Is.EqualTo(downloadersPerFile));
}
foreach (var nodePlan in NodePlans)
{
Assert.That(nodePlan.Uploads.Count, Is.LessThanOrEqualTo(maxUploadsPerNode));
Assert.That(nodePlan.Downloads.Count, Is.LessThanOrEqualTo(maxDownloadsPerNode));
}
}
public void LogPlan(ILog log)
{
log.Log("The plan:");
log.Log("Input:");
log.Log($"numFiles: {numFiles}");
log.Log($"uploadersPerFile: {uploadersPerFile}");
log.Log($"downloadersPerFile: {downloadersPerFile}");
log.Log($"maxUploadsPerNode: {maxUploadsPerNode}");
log.Log($"maxDownloadsPerNode: {maxDownloadsPerNode}");
log.Log("Setup:");
log.Log($"number of nodes: {NodePlans.Count}");
foreach (var filePlan in FilePlans) log.Log(filePlan.ToString());
foreach (var nodePlan in NodePlans) log.Log(nodePlan.ToString());
}
private void AddDownloader(FilePlan filePlan)
{
var nodePlan = GetOrCreateDownloaderNode(filePlan);
filePlan.Downloaders.Add(nodePlan);
nodePlan.Downloads.Add(filePlan);
}
private void AddUploader(FilePlan filePlan)
{
var nodePlan = GetOrCreateUploaderNode(filePlan);
filePlan.Uploaders.Add(nodePlan);
nodePlan.Uploads.Add(filePlan);
}
private NodePlan GetOrCreateDownloaderNode(FilePlan notIn)
{
var available = NodePlans.Where(n =>
n.Downloads.Count < maxDownloadsPerNode && !n.Contains(notIn)
).ToArray();
if (available.Any()) return RandomUtils.GetOneRandom(available);
var newNodePlan = new NodePlan(NodePlans.Count);
NodePlans.Add(newNodePlan);
return newNodePlan;
}
private NodePlan GetOrCreateUploaderNode(FilePlan notIn)
{
var available = NodePlans.Where(n =>
n.Uploads.Count < maxUploadsPerNode && !n.Contains(notIn)
).ToArray();
if (available.Any()) return RandomUtils.GetOneRandom(available);
var newNodePlan = new NodePlan(NodePlans.Count);
NodePlans.Add(newNodePlan);
return newNodePlan;
}
}
}