cs-codex-dist-tests/Tests/CodexTests/ScalabilityTests/ScalabilityTests.cs

121 lines
3.4 KiB
C#

using CodexPlugin;
using DistTestCore;
using FileUtils;
using NUnit.Framework;
using Utils;
namespace CodexTests.ScalabilityTests;
[TestFixture]
public class ScalabilityTests : CodexDistTest
{
/// <summary>
/// We upload a file to node A, then download it with B.
/// Then we stop node A, and download again with node C.
/// </summary>
[Test]
[Combinatorial]
[UseLongTimeouts]
[DontDownloadLogs]
public void ShouldMaintainFileInNetwork(
[Values(10, 40, 80, 100)] int numberOfNodes,
[Values(100, 1000, 5000, 10000)] int fileSizeInMb
)
{
var logLevel = CodexLogLevel.Info;
var bootstrap = AddCodex(s => s.WithLogLevel(logLevel));
var nodes = AddCodex(numberOfNodes - 1, s => s
.WithBootstrapNode(bootstrap)
.WithLogLevel(logLevel)
.WithStorageQuota((fileSizeInMb + 50).MB())
).ToList();
var uploader = nodes.PickOneRandom();
var downloader = nodes.PickOneRandom();
var testFile = GenerateTestFile(fileSizeInMb.MB());
var contentId = uploader.UploadFile(testFile);
var downloadedFile = downloader.DownloadContent(contentId);
downloadedFile!.AssertIsEqual(testFile);
uploader.Stop(true);
var otherDownloader = nodes.PickOneRandom();
downloadedFile = otherDownloader.DownloadContent(contentId);
downloadedFile!.AssertIsEqual(testFile);
}
/// <summary>
/// We upload a file to each node, to put a more wide-spread load on the network.
/// Then we run the same test as ShouldMaintainFileInNetwork.
/// </summary>
[Ignore("Fix ShouldMaintainFileInNetwork for all values first")]
[Test]
[Combinatorial]
[UseLongTimeouts]
[DontDownloadLogs]
public void EveryoneGetsAFile(
[Values(10, 40, 80, 100)] int numberOfNodes,
[Values(100, 1000, 5000, 10000)] int fileSizeInMb
)
{
var logLevel = CodexLogLevel.Info;
var bootstrap = AddCodex(s => s.WithLogLevel(logLevel));
var nodes = AddCodex(numberOfNodes - 1, s => s
.WithBootstrapNode(bootstrap)
.WithLogLevel(logLevel)
.WithStorageQuota((fileSizeInMb + 50).MB())
).ToList();
var pairTasks = nodes.Select(n =>
{
return Task.Run(() =>
{
var file = GenerateTestFile(fileSizeInMb.MB());
var cid = n.UploadFile(file);
return new NodeFilePair(n, file, cid);
});
});
var pairs = pairTasks.Select(t => Time.Wait(t)).ToList();
RunDoubleDownloadTest(
pairs.PickOneRandom(),
pairs.PickOneRandom(),
pairs.PickOneRandom()
);
}
private void RunDoubleDownloadTest(NodeFilePair source, NodeFilePair dl1, NodeFilePair dl2)
{
var expectedFile = source.File;
var cid = source.Cid;
var file1 = dl1.Node.DownloadContent(cid);
file1!.AssertIsEqual(expectedFile);
source.Node.Stop(true);
var file2 = dl2.Node.DownloadContent(cid);
file2!.AssertIsEqual(expectedFile);
}
public class NodeFilePair
{
public NodeFilePair(ICodexNode node, TrackedFile file, ContentId cid)
{
Node = node;
File = file;
Cid = cid;
}
public ICodexNode Node { get; }
public TrackedFile File { get; }
public ContentId Cid { get; }
}
}