public void TwoPairsOfOverlappingEmployees_ShouldReturnLongerOverlappingEmployees()
{
// Arrange
var employees = new List <Employee>
{
new Employee {
EmployeeId = 1, TeamId = 1, DateFrom = new DateTime(2017, 5, 5), DateTo = new DateTime(2017, 5, 10)
},
new Employee {
EmployeeId = 2, TeamId = 1, DateFrom = new DateTime(2017, 5, 5), DateTo = new DateTime(2017, 5, 10)
},
new Employee {
EmployeeId = 3, TeamId = 2, DateFrom = new DateTime(2017, 5, 5), DateTo = new DateTime(2017, 5, 8)
},
new Employee {
EmployeeId = 4, TeamId = 2, DateFrom = new DateTime(2017, 5, 5), DateTo = new DateTime(2017, 5, 10)
}
};
var engine = new TeamWorkPeriodsEngine();
// Act
var result = engine.GetLongestPeriodEmployees(employees);
// Assert
Assert.Equal(TimeSpan.FromDays(5), result.WorkedTogetherFor);
Assert.Equal(1, result.FirstEmployee.TeamId);
Assert.InRange(result.FirstEmployee.EmployeeId, 1, 2);
Assert.InRange(result.SecondEmployee.EmployeeId, 1, 2);
}
public static void Main(string[] args)
{
while (true)
{
try
{
Console.Write("Please insert a path to the text file for Employees and Teams, or type EXIT to end the application: ");
var input = Console.ReadLine();
if (input.ToUpper() == TerminationLiteral)
{
break;
}
if (!File.Exists(input))
{
Console.WriteLine("File does not exist - please input a valid path to a text file!");
continue;
}
var fileStream = new FileStream(input, FileMode.Open);
var employeesTeamsPeriods = DataConverter.Convert(fileStream);
if (employeesTeamsPeriods == null)
{
Console.WriteLine("File is empty, or is not in the proper format!(HINT: EmpID, ProjectID, DateFrom, DateTo)");
continue;
}
var engine = new TeamWorkPeriodsEngine();
var employees = engine.GetLongestPeriodEmployees(employeesTeamsPeriods);
if (employees == null)
{
Console.WriteLine("No overlapping employees found - please check the text file and make sure there are employees that have worked together.");
continue;
}
Console.WriteLine($"The employees who've worked together the longest are: {employees.FirstEmployee.EmployeeId} and {employees.SecondEmployee.EmployeeId} for a total of {employees.WorkedTogetherFor.Days} days in team {employees.FirstEmployee.TeamId}.");
Console.Write("If you'd like to continue, enter any key, or type in EXIT to exit the application: ");
var endOfCycleCommand = Console.ReadLine();
if (endOfCycleCommand == TerminationLiteral)
{
break;
}
}
catch (Exception ex)
{
Console.WriteLine("Error during application execution - something went wrong.");
// TODO: Log the exception
}
}
}
public void OnePairOfOverlappingEmployees_ShouldBeReturned()
{
// Arrange
var employees = new List <Employee>
{
new Employee {
EmployeeId = 1, TeamId = 1, DateFrom = new DateTime(2017, 5, 5), DateTo = new DateTime(2017, 5, 10)
},
new Employee {
EmployeeId = 2, TeamId = 1, DateFrom = new DateTime(2017, 5, 5), DateTo = new DateTime(2017, 5, 10)
}
};
var engine = new TeamWorkPeriodsEngine();
// Act
var result = engine.GetLongestPeriodEmployees(employees);
// Assert
Assert.Equal(TimeSpan.FromDays(5), result.WorkedTogetherFor);
}
