public IResult ValidateNoDuplicatedEmployeeDate(IList <Employee> employees)
{
var duplicateEmployee = employees.GroupBy(e => e.Date).Where(group => group.Count() > 1).ToList();
if (duplicateEmployee.Any())
{
var error = new DuplicateEmployeeDateError(duplicateEmployee.First().Key);
_errorResolver.Resolve(error);
return(error);
}
return(new SuccessfulResult());
}
public void DuplicateEmployeeRecordsDateReturnsError()
{
var duplicatedDate = DateTime.Now;
_employees.Add(new Employee(duplicatedDate, "EMP001", 1));
_employees.Add(new Employee(duplicatedDate, "EMP002", 2));
var expectedError = new DuplicateEmployeeDateError(duplicatedDate);
var result = _validationService.ValidateNoDuplicatedEmployeeDate(_employees);
Assert.Equal(expectedError.Code, result.Code);
Assert.Equal(expectedError.Message, result.Message);
}
