public void CanAddNewStudentCourseEnrollment()
{
// dummy username (provided by an external accounts
// data store (e.g. ASP .net membership/authentication)
string username = "******";
// Create a dummy course and add it to the database (since the student
// enrollments model will not allow an enrollment to be added to a student
// for a course that doesn't exist in the database)
var dummyCourse = DummyDataGenerator.CreateDummyCourse();
ICoursesModel courseModel = new CoursesModel();
dummyCourse.Id = courseModel.AddOrUpdateCourse(dummyCourse).Id;
// add the new enrollment for the given user and specified course
IStudentEnrollmentsModel model = new StudentEnrollmentsModel();
StudentRecord studentEnrollmentRecord = model.AddEnrollment(username, dummyCourse.Id);
Assert.NotNull(studentEnrollmentRecord);
Assert.IsNotNullOrEmpty(studentEnrollmentRecord.Username);
Assert.AreEqual(studentEnrollmentRecord.Username, username);
Assert.NotNull(studentEnrollmentRecord.StudentCourseEnrollments);
Assert.AreEqual(studentEnrollmentRecord.StudentCourseEnrollments.Count, 1);
var enrollments = new List<Enrollment>(studentEnrollmentRecord.StudentCourseEnrollments);
Assert.AreEqual(enrollments[0].CourseId, dummyCourse.Id);
// clean up Db: remove student record
var enrollmentsRepo = new BizCollegeRepository<StudentRecord, string>();
enrollmentsRepo.Remove(studentEnrollmentRecord.Username);
// clean up Db: remove dummy course
var coursesRepo = new BizCollegeRepository<Course, string>();
coursesRepo.Remove(dummyCourse.Id);
}
public void CanGetStudentEnrollment()
{
// dummy username and course id
string username = "******";
string courseId = Guid.NewGuid().ToString();
// Add the dummy student enrollment via the internal repository interfaces
var dummyEnrollment = new StudentRecord(){ Username = username};
dummyEnrollment.StudentCourseEnrollments = new List<Enrollment>();
dummyEnrollment.StudentCourseEnrollments.Add(
new Enrollment()
{
CourseId = courseId,
DateStarted = DateTime.Now,
DateCompleted = SqlServerHelper.GetSqlServerMinimumDateTimeValue()
}
);
var enrollmentsRepo = new BizCollegeRepository<StudentRecord, string>();
dummyEnrollment = enrollmentsRepo.AddOrUpdate(dummyEnrollment);
// Get the student record via the enrollments model interface that the web
// application will use to retrieve student enrollment records by username
IStudentEnrollmentsModel enrollmentsModel = new StudentEnrollmentsModel();
var fromDb = enrollmentsModel.GetStudentRecord(username);
Assert.NotNull(fromDb);
Assert.AreEqual(fromDb.Username, dummyEnrollment.Username);
Assert.NotNull(fromDb.StudentCourseEnrollments);
Assert.AreEqual(fromDb.StudentCourseEnrollments.Count, dummyEnrollment.StudentCourseEnrollments.Count);
Assert.AreEqual(fromDb.StudentCourseEnrollments[0].Id, dummyEnrollment.StudentCourseEnrollments[0].Id);
Assert.AreEqual(fromDb.StudentCourseEnrollments[0].CourseId, dummyEnrollment.StudentCourseEnrollments[0].CourseId);
Assert.AreEqual(fromDb.StudentCourseEnrollments[0].DateCompleted, dummyEnrollment.StudentCourseEnrollments[0].DateCompleted);
// Clean up Db
enrollmentsRepo.Remove(username);
}
public void CanRemoveStudentEnrollment()
{
// dummy username and course id
string username = "******";
string courseId = Guid.NewGuid().ToString();
// Add the dummy student enrollment via the internal repository interfaces
var dummyEnrollment = new StudentRecord() { Username = username };
dummyEnrollment.StudentCourseEnrollments = new List<Enrollment>();
dummyEnrollment.StudentCourseEnrollments.Add(
new Enrollment()
{
CourseId = courseId,
DateStarted = DateTime.Now,
DateCompleted = SqlServerHelper.GetSqlServerMinimumDateTimeValue()
}
);
var enrollmentsRepo = new BizCollegeRepository<StudentRecord, string>();
dummyEnrollment = enrollmentsRepo.AddOrUpdate(dummyEnrollment);
// Remove the enrollment via the enrollmnent model interface that the webapp
// will use to remove a student's enrollment from their record
IStudentEnrollmentsModel enrollmentsModel = new StudentEnrollmentsModel();
enrollmentsModel.RemoveEnrollment(username, courseId);
// retrieve the enrollment record from the Db and ensure the student has
// no enrollments in his/her student record
var fromDb = enrollmentsRepo.Get(username);
Assert.NotNull(fromDb);
Assert.AreEqual(fromDb.Username, username);
Assert.AreEqual(fromDb.StudentCourseEnrollments.Count, 0);
// clean up Db
enrollmentsRepo.Remove(fromDb.Username);
}
public void CanUpdateExistingStudentEnrollmentsCollection()
{
// dummy username and dummy courses
string username = "******";
var dummyCourse1 = DummyDataGenerator.CreateDummyCourse();
var dummyCourse2 = DummyDataGenerator.CreateDummyCourse();
// Add the dummy courses to the database via the internal course repository interface
IRepository<Course, string> coursesRepo = new BizCollegeRepository<Course, string>();
dummyCourse1.Id = coursesRepo.AddOrUpdate(dummyCourse1).Id;
dummyCourse2.Id = coursesRepo.AddOrUpdate(dummyCourse2).Id;
// Add the dummy student enrollment via the internal enrollments repository interfaces
var dummyEnrollment = new StudentRecord() { Username = username };
dummyEnrollment.StudentCourseEnrollments = new List<Enrollment>();
dummyEnrollment.StudentCourseEnrollments.Add(
new Enrollment()
{
CourseId = dummyCourse1.Id,
DateStarted = DateTime.Now,
DateCompleted = SqlServerHelper.GetSqlServerMinimumDateTimeValue()
}
);
var enrollmentsRepo = new BizCollegeRepository<StudentRecord, string>();
dummyEnrollment = enrollmentsRepo.AddOrUpdate(dummyEnrollment);
// To update the student enrollment, we'll add another enrollment to their
// current enrollment record (so we should have two enrollments after the update)
IStudentEnrollmentsModel model = new StudentEnrollmentsModel();
var updatedRecord = model.AddEnrollment(username, dummyCourse2.Id);
Assert.NotNull(updatedRecord);
Assert.IsNotNullOrEmpty(updatedRecord.Username);
Assert.AreEqual(updatedRecord.Username, username);
Assert.NotNull(updatedRecord);
Assert.IsNotNullOrEmpty(updatedRecord.Username);
Assert.NotNull(updatedRecord.StudentCourseEnrollments);
Assert.AreEqual(updatedRecord.StudentCourseEnrollments.Count, 2);
var updatedEnrollments = new List<Enrollment>(updatedRecord.StudentCourseEnrollments);
Assert.AreEqual(updatedEnrollments[0].CourseId, dummyCourse1.Id);
Assert.AreEqual(updatedEnrollments[1].CourseId, dummyCourse2.Id);
// Clean up Db
enrollmentsRepo.Remove(username);
coursesRepo.Remove(dummyCourse1.Id);
coursesRepo.Remove(dummyCourse2.Id);
}
public void CanSetStudentEnrollmentLastViewedSlide()
{
string username = "******";
// Create a dummy course
var dummyCourse = DummyDataGenerator.CreateDummyCourse();
ICoursesModel courseModel = new CoursesModel();
dummyCourse.Id = courseModel.AddOrUpdateCourse(dummyCourse).Id;
// add a new enrollment for the given user and specified dummy course
IStudentEnrollmentsModel model = new StudentEnrollmentsModel();
StudentRecord studentEnrollmentRecord = model.AddEnrollment(username, dummyCourse.Id);
// Simulate that the user last viewed/accessed slide 5 of the dummy course
int lastViewedSlideIndex = 5;
// Update the student enrollment for the dummy course with the specified last viewed slide index
StudentRecord updatedRecord = model.SetStudentEnrollmentLastViewedSlide(username, dummyCourse.Id, lastViewedSlideIndex);
Assert.NotNull(updatedRecord);
Assert.AreEqual(updatedRecord.StudentCourseEnrollments[0].LastViewedSlideIndex, lastViewedSlideIndex);
// clean up Db: remove student record
var enrollmentsRepo = new BizCollegeRepository<StudentRecord, string>();
enrollmentsRepo.Remove(studentEnrollmentRecord.Username);
// clean up Db: remove dummy course
var coursesRepo = new BizCollegeRepository<Course, string>();
coursesRepo.Remove(dummyCourse.Id);
}
public void CanSetStudentEnrollmentCourseCompletion()
{
string username = "******";
// Create a dummy course and add it to the database
var dummyCourse = DummyDataGenerator.CreateDummyCourse();
ICoursesModel courseModel = new CoursesModel();
dummyCourse.Id = courseModel.AddOrUpdateCourse(dummyCourse).Id;
// add the new enrollment for the given user and specified course
IStudentEnrollmentsModel model = new StudentEnrollmentsModel();
StudentRecord studentEnrollmentRecord = model.AddEnrollment(username, dummyCourse.Id);
// set the course as completed
model.SetStudentCourseCompletion(username, dummyCourse.Id);
// retrieve the record from the database and make sure that course
// was set to complete.
var enrollmentsRepo = new BizCollegeRepository<StudentRecord, string>();
var fromDb = enrollmentsRepo.Get(studentEnrollmentRecord.Username);
Assert.NotNull(fromDb);
Assert.IsTrue(fromDb.StudentCourseEnrollments[0].WasCourseCompleted);
// clean up Db: remove student record
enrollmentsRepo.Remove(studentEnrollmentRecord.Username);
// clean up Db: remove dummy course
var coursesRepo = new BizCollegeRepository<Course, string>();
coursesRepo.Remove(dummyCourse.Id);
}
