public void SqlEnrollmentRepository_UnEnrollStudent_Throws_Exception_if_Student_is_Not_Enrolled()
{
// Case 1: course offering exists but student is not enrolled
//
IEnrollmentRepository repository = new SqlEnrollmentRepository();
int studentId = -123;
int courseOfferingNo = 604;
try
{
// This line should throw an exception
repository.UnEnrollStudent(studentId, courseOfferingNo);
// This should not be executed. In case of a duplicate entry
// above line must throw an exception.
Assert.Fail();
}
catch (Exception)
{
// Nothing to do, since in this scenario exception must be thrown
}
// Case 2: course offering does not exists but student exists
//
studentId = 2593;
courseOfferingNo = -123;
try
{
// This line should throw an exception
repository.UnEnrollStudent(studentId, courseOfferingNo);
// This should not be executed. In case of a duplicate entry
// above line must throw an exception.
Assert.Fail();
}
catch (Exception)
{
// Nothing to do, since in this scenario exception must be thrown
}
// Case 3: both course offering and student do not exist
//
studentId = 2593;
courseOfferingNo = 604;
try
{
// This line should throw an exception
repository.UnEnrollStudent(studentId, courseOfferingNo);
// This should not be executed. In case of a duplicate entry
// above line must throw an exception.
Assert.Fail();
}
catch (Exception)
{
// Nothing to do, since in this scenario exception must be thrown
}
}
public void SqlEnrollmentRepository_UnEnroll_a_Enrolled_Student()
{
IEnrollmentRepository repository = new SqlEnrollmentRepository();
// First enroll a student
//
var courseEnrollment = new CourseEnrollment
{
CourseOfferingNo = 0,
StudentId = -121,
GradeNo = 1,
StatusId = 1,
ImportDate = DateTime.Now,
ImportConversion = "Student Portal"
};
int isEnrolled = repository.EnrollStudent(courseEnrollment);
Assert.AreEqual(1, isEnrolled);
// Then Un-Enroll that student
//
var isUnEnrolled = repository.UnEnrollStudent(courseEnrollment.StudentId, courseEnrollment.CourseOfferingNo);
Assert.IsTrue(isUnEnrolled);
}