public void SaveMessage_ReplyMessage_SholdCreateNewFileWithGuidAsName ()
{
var sut = new TitanicFileIO (Path.GetTempPath ());
var message = new NetMQMessage ();
message.Push ("Hello World");
message.Push ("echo");
var messageSize = message[0].BufferSize + message[1].BufferSize + 4; // 2 lines with \r\n
var id = Guid.NewGuid ();
sut.SaveMessage (TitanicOperation.Reply, id, message);
var expectedDir = sut.TitanicDirectory;
var expectedFile = Path.Combine (expectedDir, id + _reply_ending);
File.Exists (expectedFile).Should ().BeTrue ("because the file exists");
var info = new FileInfo (expectedFile);
info.Length.Should ().Be (messageSize);
File.Delete (expectedFile);
}
public void SetConfig_ValidPath_ShouldCreateDirectoryAndFile ()
{
var sut = new TitanicFileIO (Path.GetTempPath ());
var expectedDirectory = sut.TitanicDirectory;
var expectedFile = sut.TitanicQueue;
Directory.Exists (expectedDirectory)
.Should ()
.BeTrue ($"because {expectedDirectory} should have been created!");
File.Exists (expectedFile)
.Should ()
.BeTrue ($"because {expectedFile} should have been created!");
}
public void CloseRequest_MaxEntryClosedAndAdditionalRequestsAndReplies_ShouldReorganizeQueue()
{
const int max_entries = 20;
const int additional_requests = 5;
var path = Path.Combine (Path.GetTempPath (), ".titanic", "Close_4");
var sut = new TitanicFileIO (path, max_entries);
var titanicQueue = sut.TitanicQueue;
for (var i = 0; i < max_entries + additional_requests; i++)
{
var id = Guid.NewGuid ();
sut.SaveNewRequestEntry (id); // -> fill titanic.queue
var message = new NetMQMessage ();
message.Push (string.Format ("Message #{0}", i));
message.Push ("echo");
sut.SaveMessage (TitanicOperation.Request, id, message);
}
foreach (var entry in sut.GetRequestEntries (null).Skip (3).Take (5))
{
sut.SaveProcessedRequestEntry (entry);
var message = sut.GetMessage (TitanicOperation.Request, entry.RequestId);
sut.SaveMessage (TitanicOperation.Reply, entry.RequestId, message);
}
var requests = sut.GetRequestEntries (null).ToArray ();
requests.Length.Should ().Be (max_entries + additional_requests);
requests.Count (re => re.State == RequestEntry.Is_Processed).Should ().Be (5);
for (var i = 0; i < max_entries; i++)
sut.CloseRequest (requests[i].RequestId); // mark closed not worrying about state
sut.GetNotClosedRequestEntries ()
.Count ()
.Should ()
.Be (additional_requests, "because 5 requests should have been left over!");
Directory.Delete (sut.TitanicDirectory, true);
}
public void CloseRequest_MaxEntryClosedRequestsLeaveAdditionalRequests_ShouldReorganizeQueue()
{
const int additional_requests = 5;
const int max_entries = 20;
var path = Path.Combine (Path.GetTempPath (), ".titanic", "Close_3");
var sut = new TitanicFileIO (path, max_entries);
for (var i = 0; i < max_entries + additional_requests; i++)
sut.SaveNewRequestEntry (Guid.NewGuid ()); // -> fill titanic.queue
var requests = sut.GetRequestEntries (null).ToArray ();
requests.Length.Should ().Be (max_entries + additional_requests);
for (var i = 0; i < max_entries; i++)
sut.CloseRequest (requests[i].RequestId);
sut.GetNotClosedRequestEntries ()
.Count ()
.Should ()
.Be (additional_requests, "because 5 requests should have been left over!");
Directory.Delete (sut.TitanicDirectory, true);
}
public void RetrieveMessage_RequestMessage_ShouldReturnOriginalMessage ()
{
var sut = new TitanicFileIO (Path.GetTempPath ());
var message = new NetMQMessage ();
message.Push ("Hello World");
message.Push ("echo");
var id = Guid.NewGuid ();
sut.SaveMessage (TitanicOperation.Request, id, message);
var result = sut.GetMessage (TitanicOperation.Request, id);
result.FrameCount.Should ().Be (2, "because there are two frames");
for (var i = 0; i < result.FrameCount; i++)
(result[i] == message[i]).Should ().BeTrue ("because they are identical.");
var expectedDir = sut.TitanicDirectory;
var expectedFile = Path.Combine (expectedDir, id + _request_ending);
File.Delete (expectedFile);
}
public void CloseRequest_MaxEntryClosedRequests_ShouldPurgeQueue ()
{
const int max_entries = 20;
var path = Path.Combine (Path.GetTempPath (), ".titanic", "Close_2");
var sut = new TitanicFileIO (path, max_entries);
for (var i = 0; i < max_entries; i++)
sut.SaveNewRequestEntry (Guid.NewGuid ()); // -> fill titanic.queue
var requests = sut.GetRequestEntries (null).ToArray ();
requests.Length.Should ().Be (max_entries, "because 20 entries were written.");
foreach (var entry in requests)
sut.CloseRequest (entry.RequestId);
sut.GetRequestEntries (null)
.Should ().BeEmpty ("because all requests have been closed!");
Directory.Delete (sut.TitanicDirectory, true);
}
public void CloseRequest_ProcessedRequest_ShouldMarkRequestAppropriate ()
{
var path = Path.Combine (Path.GetTempPath (), ".titanic", "Close_1");
var sut = new TitanicFileIO (path);
for (var i = 0; i < 10; i++)
sut.SaveNewRequestEntry (Guid.NewGuid ()); // -> fill titanic.queue
var req = sut.GetRequestEntries (null).Skip (3).First ();
sut.SaveProcessedRequestEntry (req);
sut.CloseRequest (req.RequestId);
sut.GetRequestEntries (null)
.Count (re => re.State == RequestEntry.Is_Closed)
.Should ()
.Be (1, "because only one request has been processed.");
sut.GetRequestEntry (req.RequestId).State.Should ().Be (RequestEntry.Is_Closed);
Directory.Delete (sut.TitanicDirectory, true);
}
public void FindRequest_NonExistingRequest_ShouldReturnCorrectRequestEntry ()
{
var sut = new TitanicFileIO (Path.GetTempPath ());
for (var i = 0; i < 10; i++)
sut.SaveNewRequestEntry (Guid.NewGuid ()); // -> fill titanic.queue
sut.GetRequestEntry (Guid.NewGuid ()).Should ().Be (default (RequestEntry));
var titanicQueue = sut.TitanicQueue;
File.Delete (titanicQueue);
}
public void FindRequest_ExistingRequest_ShouldReturnCorrectRequestEntry ()
{
var sut = new TitanicFileIO (Path.GetTempPath ());
for (var i = 0; i < 10; i++)
sut.SaveNewRequestEntry (Guid.NewGuid ()); // -> fill titanic.queue
var requests = sut.GetRequestEntries (null).ToArray ();
var req = requests.Skip (3).First ();
sut.GetRequestEntry (req.RequestId).Should ().Be (req, "because it was searched.");
var titanicQueue = sut.TitanicQueue;
File.Delete (titanicQueue);
}
public void SaveProcessedRequest_NonProcessedRequest_ShouldMarkRequestAppropriately ()
{
var sut = new TitanicFileIO (Path.GetTempPath ());
for (var i = 0; i < 10; i++)
sut.SaveNewRequestEntry (Guid.NewGuid ()); // -> fill titanic.queue
var req = sut.GetRequestEntries (null).Skip (3).First ();
req.State.Should ().Be (RequestEntry.Is_Pending);
sut.SaveProcessedRequestEntry (req);
sut.GetRequestEntries (null)
.Count (re => re.State == RequestEntry.Is_Processed)
.Should ()
.Be (1, "because only one request has been processed.");
var titanicQueue = sut.TitanicQueue;
File.Delete (titanicQueue);
}
public void SaveNewRequest_MultipleValidIds_ShouldAddAllRequestMarkedAsNew ()
{
var sut = new TitanicFileIO (Path.GetTempPath ());
for (var i = 0; i < 10; i++)
sut.SaveNewRequestEntry (Guid.NewGuid ()); // -> to titanic.queue
sut.GetRequestEntries (null)
.All (re => re.State == RequestEntry.Is_Pending)
.Should ()
.BeTrue ("because all entries are new.");
var titanicQueue = sut.TitanicQueue;
File.Delete (titanicQueue);
}
public void SaveNewRequest_NonExistingId_ShouldReturnEmpty ()
{
var sut = new TitanicFileIO (Path.GetTempPath ());
var titanicQueue = sut.TitanicQueue;
// create empty queue but release filestream immediately again
File.Create (titanicQueue).Dispose ();
sut.GetRequestEntries (null).Should ().BeEmpty ("because there are none.");
}
public void SaveNewRequest_ValidId_ShouldAddRequestMarkedAsNew ()
{
var sut = new TitanicFileIO (Path.GetTempPath ());
var id = Guid.NewGuid ();
sut.SaveNewRequestEntry (id); // -> to titanic.queue
sut.GetRequestEntries (null)
.First ()
.State.Should ()
.Be (RequestEntry.Is_Pending, "because it is a new request.");
var file = sut.TitanicQueue;
File.Exists (file).Should ().BeTrue ($"because {file} was created.");
}
public void Exists_NonExistingReply_ShouldReturnFalse ()
{
var sut = new TitanicFileIO (Path.GetTempPath ());
var id = Guid.NewGuid ();
sut.ExistsMessage (TitanicOperation.Reply, id).Should ().BeFalse ("because it has never been created.");
}
public void Exists_ExistingReply_ShouldReturnTrue ()
{
var sut = new TitanicFileIO (Path.GetTempPath ());
const TitanicOperation op = TitanicOperation.Reply;
var message = new NetMQMessage ();
message.Push ("Hello World");
message.Push ("echo");
var id = Guid.NewGuid ();
sut.SaveMessage (op, id, message);
sut.ExistsMessage (op, id).Should ().BeTrue ("because it has been created.");
var expectedDir = sut.TitanicDirectory;
var expectedFile = Path.Combine (expectedDir, id + _reply_ending);
File.Delete (expectedFile);
}