cs-codex-dist-tests/DistTestCore/Helpers/PeerDownloadTestHelpers.cs

90 lines
3.3 KiB
C#

using DistTestCore.Codex;
using Logging;
using Utils;
using static DistTestCore.Helpers.FullConnectivityHelper;
namespace DistTestCore.Helpers
{
public class PeerDownloadTestHelpers : IFullConnectivityImplementation
{
private readonly FullConnectivityHelper helper;
private readonly BaseLog log;
private readonly FileManager fileManager;
private ByteSize testFileSize;
public PeerDownloadTestHelpers(BaseLog log, FileManager fileManager)
{
helper = new FullConnectivityHelper(log, this);
testFileSize = 1.MB();
this.log = log;
this.fileManager = fileManager;
}
public void AssertFullDownloadInterconnectivity(IEnumerable<IOnlineCodexNode> nodes, ByteSize testFileSize)
{
AssertFullDownloadInterconnectivity(nodes.Select(n => ((OnlineCodexNode)n).CodexAccess), testFileSize);
}
public void AssertFullDownloadInterconnectivity(IEnumerable<CodexAccess> nodes, ByteSize testFileSize)
{
this.testFileSize = testFileSize;
helper.AssertFullyConnected(nodes);
}
public string Description()
{
return "Download Connectivity";
}
public string ValidateEntry(Entry entry, Entry[] allEntries)
{
return string.Empty;
}
public PeerConnectionState Check(Entry from, Entry to)
{
fileManager.PushFileSet();
var expectedFile = GenerateTestFile(from.Node, to.Node);
using var uploadStream = File.OpenRead(expectedFile.Filename);
var contentId = Stopwatch.Measure(log, "Upload", () => from.Node.UploadFile(uploadStream));
try
{
var downloadedFile = Stopwatch.Measure(log, "Download", () => DownloadFile(to.Node, contentId, expectedFile.Label + "_downloaded"));
expectedFile.AssertIsEqual(downloadedFile);
return PeerConnectionState.Connection;
}
catch
{
// Should an exception occur during the download or file-content assertion,
// We consider that as no-connection for the purpose of this test.
return PeerConnectionState.NoConnection;
}
finally
{
fileManager.PopFileSet();
}
// Should an exception occur during upload, then this try is inconclusive and we try again next loop.
}
private TestFile DownloadFile(CodexAccess node, string contentId, string label)
{
var downloadedFile = fileManager.CreateEmptyTestFile(label);
using var downloadStream = File.OpenWrite(downloadedFile.Filename);
using var stream = node.DownloadFile(contentId);
stream.CopyTo(downloadStream);
return downloadedFile;
}
private TestFile GenerateTestFile(CodexAccess uploader, CodexAccess downloader)
{
var up = uploader.GetName().Replace("<", "").Replace(">", "");
var down = downloader.GetName().Replace("<", "").Replace(">", "");
var label = $"~from:{up}-to:{down}~";
return fileManager.GenerateTestFile(testFileSize, label);
}
}
}