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 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_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 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 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 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 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 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($"Message #{i}");
message.Push("echo");
sut.SaveMessage(TitanicOperation.Request, id, message);
}
foreach (var entry in sut.GetRequestEntries(null).Skip(3).Take(5))
{
sut.SaveProcessedRequestEntry(entry);
var message = sut.GetMessage(TitanicOperation.Request, entry.RequestId);
sut.SaveMessage(TitanicOperation.Reply, entry.RequestId, message);
}
var requests = sut.GetRequestEntries(null).ToArray();
requests.Length.Should().Be(max_entries + additional_requests);
requests.Count(re => re.State == RequestEntry.Is_Processed).Should().Be(5);
for (var i = 0; i < max_entries; i++)
{
sut.CloseRequest(requests[i].RequestId); // mark closed not worrying about state
}
sut.GetNotClosedRequestEntries()
.Count()
.Should()
.Be(additional_requests, "because 5 requests should have been left over!");
Directory.Delete(sut.TitanicDirectory, true);
}
public void SaveNewRequest_MultipleValidIds_ShouldAddAllRequestMarkedAsNew()
{
var sut = new TitanicFileIO(Path.GetTempPath());
for (var i = 0; i < 10; i++)
{
sut.SaveNewRequestEntry(Guid.NewGuid()); // -> to titanic.queue
}
sut.GetRequestEntries(null)
.All(re => re.State == RequestEntry.Is_Pending)
.Should()
.BeTrue("because all entries are new.");
var titanicQueue = sut.TitanicQueue;
File.Delete(titanicQueue);
}
public void SaveNewRequest_ValidId_ShouldAddRequestMarkedAsNew()
{
var sut = new TitanicFileIO(Path.GetTempPath());
var id = Guid.NewGuid();
sut.SaveNewRequestEntry(id); // -> to titanic.queue
sut.GetRequestEntries(null)
.First()
.State.Should()
.Be(RequestEntry.Is_Pending, "because it is a new request.");
var file = sut.TitanicQueue;
File.Exists(file).Should().BeTrue($"because {file} was created.");
}
public void 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 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);
}
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 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);
}