/// <summary>
/// Grabs and reorders items from the set of created tickets and members
/// </summary>
private bool PeekItems(out TestMember testMember, out TestTicket testTicket)
{
testMember = null;
testTicket = null;
if (!createdMembers.TryTake(out testMember))
{
// unable to get a member
Console.WriteLine("\t\tThread " + ID + ": No Member Found");
return(false);
}
// Return to bag for reordering
createdMembers.Add(testMember);
if (!createdTickets.TryTake(out testTicket))
{
// unable to get a ticket, return member to bag
Console.WriteLine("\t\tThread " + ID + ": No Ticket Found");
return(false);
}
// Return to bag for reordering
createdTickets.Add(testTicket);
Console.WriteLine("\t\tThread " + ID + ": Member(" + testMember.name + "), Ticket(" + testTicket.section + "," + testTicket.row + "," + testTicket.seat + ")");
return(true);
}
/// <summary>
/// Holds a random ticket from the created tickets pool.
/// </summary>
private async Task <bool> HoldTicket(TestMember member, TestTicket ticket)
{
if (!(await ticketingSystem.HoldTicket(ticket.section, ticket.row, ticket.seat, member.name)))
{
// unable to free the designated ticket
return(false);
}
return(true);
}
/// <summary>
/// Queries the user for inputs on threads, number of members and number of tickets to test against
/// </summary>
public static void RunE2ETest()
{
ConcurrentQueue <TestMember> memberList = null;
ConcurrentQueue <TestTicket> ticketList = null;
Console.WriteLine("Enter the number of test threads: ");
int numThreads = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("Enter the number of test members: ");
int numMembers = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("Enter the number of test tickets: ");
int numTickets = Convert.ToInt32(Console.ReadLine());
memberList = new ConcurrentQueue <TestMember>();
ticketList = new ConcurrentQueue <TestTicket>();
Console.WriteLine("Member List:");
for (int i = 0; i < numMembers; ++i)
{
TestMember tempMember = new TestMember();
memberList.Enqueue(tempMember);
Console.WriteLine("\t- " + tempMember.name);
}
Console.WriteLine();
Console.WriteLine("Ticket List:");
for (int i = 0; i < numTickets; ++i)
{
TestTicket tempTicket = new TestTicket();
ticketList.Enqueue(tempTicket);
Console.WriteLine("\t- " + tempTicket.section + " " + tempTicket.row + " " + tempTicket.seat);
}
Console.WriteLine();
TestThread.Init(memberList, ticketList);
CountDownLatch latch = new CountDownLatch(numThreads);
for (int i = 0; i < numThreads; ++i)
{
TestThread testThread = new TestThread(i, latch);
Thread t = new Thread(new ThreadStart(testThread.ThreadProc));
Console.WriteLine("Main: created thread " + i);
t.Start();
}
Console.WriteLine("Waiting on all threads to return...");
latch.Wait();
}
/// <summary>
/// Purchases a random ticket held by a random member from the created pools
/// </summary>
private async Task <bool> PurchaseTicket(TestMember member, TestTicket ticket)
{
if (!(await ticketingSystem.PurchaseTicket(ticket.section, ticket.row, ticket.seat, member.name)))
{
// unable to free the designated ticket
return(false);
}
++purchasedTickets;
Console.WriteLine("Thread " + ID + ": ticket purchased, " + purchasedTickets + " out of " + ticketsToPurchase);
return(true);
}
/// <summary>
/// Creates a random member from the available member pool.
/// </summary>
private async Task <bool> CreateMember()
{
TestMember member = null;
if (!availableMemberList.TryDequeue(out member))
{
// Unable to retrieve a member
return(false);
}
if (!(await ticketingSystem.CreateMemberAsync(member.name)))
{
// Unable to create member. Restore to availableMember list
availableMemberList.Enqueue(member);
return(false);
}
// Add member to random access container
createdMembers.Add(member);
return(true);
}
/// <summary>
/// Selects a random activity to run and completes the action regardless of projected failure
/// </summary>
public async void ThreadProc()
{
bool activitySuccess = false;
while (initialized && purchasedTickets < ticketsToPurchase)
{
TestMember member = null;
TestTicket ticket = null;
activitySuccess = PeekItems(out member, out ticket);
Console.Write("\tThread " + ID + ": ");
switch (SelectActivity())
{
case Activity.CREATE_MEMBER:
Console.WriteLine("Creating Member");
activitySuccess = await CreateMember();
break;
case Activity.CREATE_TICKET:
Console.WriteLine("Creating Ticket");
activitySuccess = await CreateTicket();
break;
case Activity.FREE_TICKET:
Console.WriteLine("Freeing Ticket");
activitySuccess = activitySuccess ? await FreeTicket(member, ticket) : false;
break;
case Activity.HOLD_TICKET:
Console.WriteLine("Holding Ticket");
activitySuccess = activitySuccess ? await HoldTicket(member, ticket) : false;
break;
case Activity.PURCHASE_TICKET:
Console.WriteLine("Purchasing Ticket");
activitySuccess = activitySuccess ? await PurchaseTicket(member, ticket) : false;
break;
case Activity.HOLD_FREE_TICKET:
Console.WriteLine("Holding and Freeing Ticket");
activitySuccess = activitySuccess ? await HoldTicket(member, ticket) : false;
activitySuccess = activitySuccess ? await FreeTicket(member, ticket) : false;
break;
case Activity.HOLD_PURCHASE_TICKET:
Console.WriteLine("Holding and Purchasing Ticket");
activitySuccess = activitySuccess ? await HoldTicket(member, ticket) : false;
activitySuccess = activitySuccess ? await PurchaseTicket(member, ticket) : false;
break;
default:
break;
}
Console.WriteLine("Activity Successful: " + activitySuccess);
}
Console.WriteLine("\tThread " + ID + " Finished Signal");
latch.Signal();
return;
}
