/// <summary>
/// Processes user's build request by creating a worker process and forwarding request
/// </summary>
/// <returns></returns>
public async Task ProcessUserBuildRequest(BuildRequestDto buildRequest)
{
var session = GetSession(buildRequest.SessionId);
if (session == null)
{
session = CreateSession(buildRequest.SessionId);
buildRequest.SessionId = session.SessionId;
}
//set build request so it can be picked up after worker connection
session.LastBuildRequest = buildRequest;
//reuse existing worker process if still running and connected
if (session.WorkerProcess != null && session.WorkerProcess.HasExited == false)
{
if (session.WorkerClient?.Connected == true)
{
Logger.LogLine("Recycling worker process for new build request");
listener.SendWorkerMessage(session.WorkerClient, MessageType.ServerBuildRequest, session.LastBuildRequest);
return;
}
else
{
//worker process has quit or disconnected. Reset references so it can be recreated.
Logger.LogLine("Resetting stopped/disconnected worker process for new build request");
ResetSessionWorker(session, WorkerResetReason.WorkerStopped);
}
}
//no worker process, create from scratch so it can connect
Logger.LogLine("Creating new worker process for new build request");
await CreateWorkerProcess(session);
}
public async void WorkerClient_Builds_On_Request()
{
//arrange
BuildResultDto actualResult = null; //hold actual result
var buildRequest = new BuildRequestDto
{
SessionId = arrangement.SessionId,
RunOnSuccess = false,
SourceCode = MockSourceCodeRepository.Get_Working_SimpleOutput_Code()
};
//act
arrangement.WorkerService.StartListening();
arrangement.WorkerService.WorkerConnected += (TcpClient workerClient, string sessionId) => {
arrangement.WorkerService.SendWorkerMessage(workerClient, MessageType.ServerBuildRequest, buildRequest);
};
arrangement.WorkerService.WorkerCompletedBuild += delegate(TcpClient workerClient, BuildResultDto message) {
arrangement.Worker?.Stop();
arrangement.WorkerService?.StopListening();
actualResult = message;
};
await arrangement.Worker.Start(arrangement.ServiceHostName, arrangement.ServicePort, arrangement.SessionId);
//assert
Assert.True(actualResult.IsSuccess);
}
public async void WorkerClient_Calls_EntryPoint_With_Correct_Arguments(string source)
{
//arrange
//var arrangement = new WorkerClientArrangement(); //rearrange per theory run (ports!)
Queue <ExecutionStateDto> actualStates = new Queue <ExecutionStateDto>(); //hold actual result
var buildRequest = new BuildRequestDto
{
SessionId = arrangement.SessionId,
RunOnSuccess = true,
SourceCode = source,
};
//act
arrangement.WorkerService.StartListening();
arrangement.WorkerService.WorkerConnected += (TcpClient workerClient, string sessionId) => {
arrangement.WorkerService.SendWorkerMessage(workerClient, MessageType.ServerBuildRequest, buildRequest);
};
arrangement.WorkerService.WorkerExecutionStateChanged += delegate(TcpClient workerClient, ExecutionStateDto message) {
actualStates.Enqueue(message);
if (actualStates.Count >= 2) //if crashed, this will be in the second state
{
arrangement.Worker?.Stop();
arrangement.WorkerService?.StopListening();
}
};
await arrangement.Worker.Start(arrangement.ServiceHostName, arrangement.ServicePort, arrangement.SessionId);
//assert
Assert.Empty(actualStates.Where(s => s.Exception != null));
Assert.Empty(actualStates.Where(s => s.State == RemoteAppState.Crashed));
}
public async void WorkerClient_Build_Fails_When_Ambiguous_EntryPoint()
{
//arrange
BuildResultDto actualResult = null; //hold actual result
var buildRequest = new BuildRequestDto
{
SessionId = arrangement.SessionId,
RunOnSuccess = true,
SourceCode = MockSourceCodeRepository.Get_AmbiguousMain_Code()
};
//act
arrangement.WorkerService.StartListening();
arrangement.WorkerService.WorkerConnected += (TcpClient workerClient, string sessionId) => {
arrangement.WorkerService.SendWorkerMessage(workerClient, MessageType.ServerBuildRequest, buildRequest);
};
arrangement.WorkerService.WorkerCompletedBuild += delegate(TcpClient workerClient, BuildResultDto message) {
arrangement.Worker?.Stop();
arrangement.WorkerService?.StopListening();
actualResult = message;
};
await arrangement.Worker.Start(arrangement.ServiceHostName, arrangement.ServicePort, arrangement.SessionId);
//assert
Assert.False(actualResult.IsSuccess);
//CS0017 = Program has more than one entry point defined. Compile with /main to specify the type that contains the entry point.
Assert.Equal("CS0017", actualResult.BuildErrors.First().Id);
}
public async void WorkerClient_Build_Fails_When_Bad_EntryPoint(string source, string expectedErrorCode)
{
//arrange
BuildResultDto actualResult = null; //hold actual result
var buildRequest = new BuildRequestDto
{
SessionId = arrangement.SessionId,
RunOnSuccess = true,
SourceCode = source
};
//act
arrangement.WorkerService.StartListening();
arrangement.WorkerService.WorkerConnected += (TcpClient workerClient, string sessionId) => {
arrangement.WorkerService.SendWorkerMessage(workerClient, MessageType.ServerBuildRequest, buildRequest);
};
arrangement.WorkerService.WorkerCompletedBuild += delegate(TcpClient workerClient, BuildResultDto message) {
arrangement.Worker?.Stop();
arrangement.WorkerService?.StopListening();
actualResult = message;
};
await arrangement.Worker.Start(arrangement.ServiceHostName, arrangement.ServicePort, arrangement.SessionId);
//assert
Assert.False(actualResult.IsSuccess);
Assert.Equal(expectedErrorCode, actualResult.BuildErrors.First().Id);
}
public async void WorkerClient_Reports_ExecutionState()
{
//arrange
Queue <ExecutionStateDto> actualStates = new Queue <ExecutionStateDto>(); //hold actual result
var buildRequest = new BuildRequestDto
{
SessionId = arrangement.SessionId,
RunOnSuccess = true,
SourceCode = MockSourceCodeRepository.Get_Working_SimpleOutput_Code()
};
//act
arrangement.WorkerService.StartListening();
arrangement.WorkerService.WorkerConnected += (TcpClient workerClient, string sessionId) => {
arrangement.WorkerService.SendWorkerMessage(workerClient, MessageType.ServerBuildRequest, buildRequest);
};
arrangement.WorkerService.WorkerExecutionStateChanged += delegate(TcpClient workerClient, ExecutionStateDto message) {
var outputtest = message.Output?.Replace("\r", "[CR]")?.Replace("\n", "LF");
actualStates.Enqueue(message);
if (actualStates.Count >= 4)
{
arrangement.Worker?.Stop();
arrangement.WorkerService?.StopListening();
}
};
await arrangement.Worker.Start(arrangement.ServiceHostName, arrangement.ServicePort, arrangement.SessionId);
//assert
ExecutionStateDto nextState;
nextState = actualStates.Dequeue();
Assert.Equal(RemoteAppState.Running, nextState.State);
nextState = actualStates.Dequeue();
Assert.Equal(RemoteAppState.WriteOutput, nextState.State);
Assert.Equal("All your base are belong to us.", nextState.Output);
nextState = actualStates.Dequeue();
Assert.Equal(RemoteAppState.WriteOutput, nextState.State);
Assert.Contains("\n", nextState.Output);
nextState = actualStates.Dequeue();
Assert.Equal(RemoteAppState.Ended, nextState.State);
}
/// <summary>
/// Receives build requests from user
/// </summary>
/// <param name="buildRequest"></param>
/// <returns></returns>
public async Task Build(BuildRequestDto buildRequest)
{
buildRequest.SessionId = Context.ConnectionId;
await _rcsm.ProcessUserBuildRequest(buildRequest);
}