/// <summary>
/// Ask the user to introduce a valid ID of a student and validates if the student requested exists or not
/// </summary>
/// <returns>The student selected by the user or null in case of error or not valid</returns>
private static Student GetStudent()
{
long id = -1;
Console.WriteLine("Please enter the ID of the student that you want to edit (You can get the ID from the list of students in the option 4. Show students): ");
string value = Console.ReadLine();
if (!string.IsNullOrEmpty(value))
{
if (!long.TryParse(value, out id))
{
ShowContinueMessage("You must enter a valid ID, please look for it and try again.");
}
}
else
{
ShowContinueMessage("You must enter a valid ID, please look for it and try again.");
}
var student = StudentMapper.GetById(id);
if (student == null)
{
ShowContinueMessage("We could not get any student with the ID provided, please look for a valid one on the list of students and try again.");
}
return(student);
}
public void TestCreateUpdateDeleteStudents()
{
//DBConnection.ConnectionString = "Server=(local)\\sqlexpress;Database=Students;Trusted_Connection=True;";
//DBConnection.Type = DBType.SQLServer;
DBConnection.Type = DBType.MySQL;
DBConnection.ConnectionString = "Server=localhost;Port=3306;Uid=root;Pwd=system32;Database=Students;CheckParameters=false;";
var newStudent = new Student("Superman", "Male", StudentType.High);
var result = StudentMapper.Insert(newStudent);
Assert.AreEqual(true, result);
var savedStudent = StudentMapper.GetById(newStudent.Id);
Assert.AreEqual("Superman", savedStudent.Name);
savedStudent.Name = "Clark Kent";
StudentMapper.Update(savedStudent);
var updatedStudent = StudentMapper.GetById(savedStudent.Id);
Assert.AreEqual("Clark Kent", updatedStudent.Name);
StudentMapper.Hide(updatedStudent.Id);
var hiddenStudent = StudentMapper.GetById(updatedStudent.Id);
Assert.AreEqual(false, hiddenStudent.Enabled);
StudentMapper.Delete(hiddenStudent.Id);
var deleteStudent = StudentMapper.GetById(hiddenStudent.Id);
Assert.AreEqual(null, deleteStudent);
}