public void AssigningAllSessions()
{
var sessions = new SessionsCollection();
sessions.Add(1, null, Presenter.Create(1));
sessions.Add(2, null, Presenter.Create(2));
sessions.Add(3, null, Presenter.Create(2));
sessions.Add(4, null, Presenter.Create(3));
sessions.Add(5, null, Presenter.Create(3));
sessions.Add(6, null, Presenter.Create(3));
sessions.Add(7, null, Presenter.Create(3));
var rooms = new List<Room>();
rooms.Add(Room.Create(1, 10));
rooms.Add(Room.Create(2, 10));
rooms.Add(Room.Create(3, 10));
var timeslots = new List<Timeslot>();
timeslots.Add(Timeslot.Create(1));
timeslots.Add(Timeslot.Create(2));
timeslots.Add(Timeslot.Create(3));
timeslots.Add(Timeslot.Create(4));
timeslots.Add(Timeslot.Create(5));
var engine = (null as IConferenceOptimizer).Create();
var assignments = engine.Process(sessions, rooms, timeslots);
var assignmentsWithSessions = assignments.Where(a => a.SessionId.HasValue);
assignments.WriteSchedule();
Assert.That(assignmentsWithSessions.Count(), Is.EqualTo(sessions.Count()), "The wrong number of assignments were returned.");
}
public void ResultInTheSameNumberOfAssignments()
{
var sessions = new SessionsCollection();
sessions.Add(1, null, Presenter.Create(1));
sessions.Add(2, 1, Presenter.Create(2));
sessions.Add(3, null, Presenter.Create(3));
sessions.Add(4, 1, Presenter.Create(4));
var rooms = new List<Room>();
rooms.Add(Room.Create(1, 10));
rooms.Add(Room.Create(2, 10));
var timeslots = new List<Timeslot>();
timeslots.Add(Timeslot.Create(1, 9.0));
timeslots.Add(Timeslot.Create(2, 10.25));
var solution = new Solution(sessions, rooms, timeslots);
while (solution.AssignmentsCompleted < sessions.Count())
{
solution.AssignSessionsWithOnlyOneOption();
solution.AssignMostConstrainedSession();
}
var s2 = solution.SwapAssignments();
Assert.AreEqual(solution.Assignments.Count(), s2.Assignments.Count());
}
public void AssigningAllSessions()
{
var sessions = new SessionsCollection();
sessions.Add(1, null, Presenter.Create(1));
sessions.Add(2, null, Presenter.Create(2));
sessions.Add(3, null, Presenter.Create(2));
sessions.Add(4, null, Presenter.Create(3));
sessions.Add(5, null, Presenter.Create(3));
sessions.Add(6, null, Presenter.Create(3));
sessions.Add(7, null, Presenter.Create(3));
var rooms = new List <Room>();
rooms.Add(Room.Create(1, 10));
rooms.Add(Room.Create(2, 10));
rooms.Add(Room.Create(3, 10));
var timeslots = new List <Timeslot>();
timeslots.Add(Timeslot.Create(1));
timeslots.Add(Timeslot.Create(2));
timeslots.Add(Timeslot.Create(3));
timeslots.Add(Timeslot.Create(4));
timeslots.Add(Timeslot.Create(5));
var engine = (null as IConferenceOptimizer).Create();
var assignments = engine.Process(sessions, rooms, timeslots);
var assignmentsWithSessions = assignments.Where(a => a.SessionId.HasValue);
assignments.WriteSchedule();
Assert.That(assignmentsWithSessions.Count(), Is.EqualTo(sessions.Count()), "The wrong number of assignments were returned.");
}
public void KeepTheOriginalAssignmentsUnchanged()
{
var sessions = new SessionsCollection();
sessions.Add(1, null, Presenter.Create(1));
sessions.Add(2, 1, Presenter.Create(2));
sessions.Add(3, null, Presenter.Create(3));
sessions.Add(4, 1, Presenter.Create(4));
var rooms = new List<Room>();
rooms.Add(Room.Create(1, 10));
rooms.Add(Room.Create(2, 10));
var timeslots = new List<Timeslot>();
timeslots.Add(Timeslot.Create(1, 9.0));
timeslots.Add(Timeslot.Create(2, 10.25));
var solution = new Solution(sessions, rooms, timeslots);
while (solution.AssignmentsCompleted < sessions.Count())
{
solution.AssignSessionsWithOnlyOneOption();
solution.AssignMostConstrainedSession();
}
var originalSolution = solution.Assignments.Serialize();
solution.Assignments.WriteSchedule();
var s2 = solution.SwapAssignments();
var postSwapSolution = solution.Assignments.Serialize();
solution.Assignments.WriteSchedule();
Assert.AreEqual(originalSolution, postSwapSolution);
}
public void ResultInTheSameNumberOfAssignments()
{
var sessions = new SessionsCollection();
sessions.Add(1, null, Presenter.Create(1));
sessions.Add(2, 1, Presenter.Create(2));
sessions.Add(3, null, Presenter.Create(3));
sessions.Add(4, 1, Presenter.Create(4));
var rooms = new List <Room>();
rooms.Add(Room.Create(1, 10));
rooms.Add(Room.Create(2, 10));
var timeslots = new List <Timeslot>();
timeslots.Add(Timeslot.Create(1, 9.0));
timeslots.Add(Timeslot.Create(2, 10.25));
var solution = new Solution(sessions, rooms, timeslots);
while (solution.AssignmentsCompleted < sessions.Count())
{
solution.AssignSessionsWithOnlyOneOption();
solution.AssignMostConstrainedSession();
}
var s2 = solution.SwapAssignments();
Assert.AreEqual(solution.Assignments.Count(), s2.Assignments.Count());
}
private void Load(SessionsCollection sessions, IEnumerable <Room> rooms, IEnumerable <Timeslot> timeslots)
{
_sessions = sessions;
_rooms = rooms;
_timeslots = timeslots;
_presenters = sessions.GetPresenters();
// Create the session availability matrix
_sessionMatrix = new SessionAvailabilityCollection(sessions, rooms, timeslots);
if (!_sessionMatrix.IsFeasible)
{
throw new Exceptions.NoFeasibleSolutionsException();
}
// Setup the empty assignment matrix
foreach (var room in rooms)
{
foreach (var timeslot in timeslots)
{
if (room.AvailableInTimeslot(timeslot.Id))
{
this.Assignments.Add(new Assignment(room.Id, timeslot.Id));
}
}
}
// Make sure there are enough slots/rooms for all of the sessions
if (sessions.Count() > this.Assignments.Count())
{
throw new Exceptions.NoFeasibleSolutionsException("There are not enough rooms and timeslots to accommodate all of the sessions.");
}
}
public void ResultInTwoDifferencesInAssignments()
{
var sessions = new SessionsCollection();
sessions.Add(1, null, Presenter.Create(1));
sessions.Add(2, 1, Presenter.Create(2));
sessions.Add(3, null, Presenter.Create(3));
sessions.Add(4, 1, Presenter.Create(4));
var rooms = new List <Room>();
rooms.Add(Room.Create(1, 10));
rooms.Add(Room.Create(2, 10));
var timeslots = new List <Timeslot>();
timeslots.Add(Timeslot.Create(1, 9.0));
timeslots.Add(Timeslot.Create(2, 10.25));
var solution = new Solution(sessions, rooms, timeslots);
while (solution.AssignmentsCompleted < sessions.Count())
{
solution.AssignSessionsWithOnlyOneOption();
solution.AssignMostConstrainedSession();
}
var s2 = solution.SwapAssignments();
int differenceCount = 0;
foreach (var a1 in solution.Assignments)
{
var a2 = s2.Assignments.Where(a => a.RoomId == a1.RoomId && a.TimeslotId == a1.TimeslotId).Single();
if (a1.SessionId != a2.SessionId)
{
differenceCount++;
}
}
Assert.AreEqual(2, differenceCount);
}
public void KeepTheOriginalAssignmentsUnchanged()
{
var sessions = new SessionsCollection();
sessions.Add(1, null, Presenter.Create(1));
sessions.Add(2, 1, Presenter.Create(2));
sessions.Add(3, null, Presenter.Create(3));
sessions.Add(4, 1, Presenter.Create(4));
var rooms = new List <Room>();
rooms.Add(Room.Create(1, 10));
rooms.Add(Room.Create(2, 10));
var timeslots = new List <Timeslot>();
timeslots.Add(Timeslot.Create(1, 9.0));
timeslots.Add(Timeslot.Create(2, 10.25));
var solution = new Solution(sessions, rooms, timeslots);
while (solution.AssignmentsCompleted < sessions.Count())
{
solution.AssignSessionsWithOnlyOneOption();
solution.AssignMostConstrainedSession();
}
var originalSolution = solution.Assignments.Serialize();
solution.Assignments.WriteSchedule();
var s2 = solution.SwapAssignments();
var postSwapSolution = solution.Assignments.Serialize();
solution.Assignments.WriteSchedule();
Assert.AreEqual(originalSolution, postSwapSolution);
}
public void ResultInTwoDifferencesInAssignments()
{
var sessions = new SessionsCollection();
sessions.Add(1, null, Presenter.Create(1));
sessions.Add(2, 1, Presenter.Create(2));
sessions.Add(3, null, Presenter.Create(3));
sessions.Add(4, 1, Presenter.Create(4));
var rooms = new List<Room>();
rooms.Add(Room.Create(1, 10));
rooms.Add(Room.Create(2, 10));
var timeslots = new List<Timeslot>();
timeslots.Add(Timeslot.Create(1, 9.0));
timeslots.Add(Timeslot.Create(2, 10.25));
var solution = new Solution(sessions, rooms, timeslots);
while (solution.AssignmentsCompleted < sessions.Count())
{
solution.AssignSessionsWithOnlyOneOption();
solution.AssignMostConstrainedSession();
}
var s2 = solution.SwapAssignments();
int differenceCount = 0;
foreach (var a1 in solution.Assignments)
{
var a2 = s2.Assignments.Where(a => a.RoomId == a1.RoomId && a.TimeslotId == a1.TimeslotId).Single();
if (a1.SessionId != a2.SessionId)
differenceCount++;
}
Assert.AreEqual(2, differenceCount);
}
private void Load(SessionsCollection sessions, IEnumerable<Room> rooms, IEnumerable<Timeslot> timeslots)
{
_sessions = sessions;
_rooms = rooms;
_timeslots = timeslots;
_presenters = sessions.GetPresenters();
// Create the session availability matrix
_sessionMatrix = new SessionAvailabilityCollection(sessions, rooms, timeslots);
if (!_sessionMatrix.IsFeasible)
throw new Exceptions.NoFeasibleSolutionsException();
// Setup the empty assignment matrix
foreach (var room in rooms)
foreach (var timeslot in timeslots)
if (room.AvailableInTimeslot(timeslot.Id))
this.Assignments.Add(new Assignment(room.Id, timeslot.Id));
// Make sure there are enough slots/rooms for all of the sessions
if (sessions.Count() > this.Assignments.Count())
throw new Exceptions.NoFeasibleSolutionsException("There are not enough rooms and timeslots to accommodate all of the sessions.");
}
