public void TestComplexModel()
{
// load environment variables from .env
DotNetEnv.Env.Load();
/* Insert a complex model with foreign model relationships
* <- means depends foreign model
* Lecturer <- Student <- ProjectMembers -> Project
*/
int lecturerId = -1;
using (EPortfolioDB database = new EPortfolioDB())
{
// Lecturer model
Lecturer lecturer = LecturerTest.GetSampleLecturer();
database.Lecturers.Add(lecturer);
// Student model
Student student = StudentTest.GetSampleStudent();
student.Mentor = lecturer;
database.Students.Add(student);
// Project model
Project project = ProjectTest.GetSampleProject();
database.Projects.Add(project);
// ProjectMember model
ProjectMember projectMember = new ProjectMember
{
Member = student,
Project = project,
Role = "Member"
};
database.ProjectMembers.Add(projectMember);
database.SaveChanges();
lecturerId = lecturer.LecturerId;
}
// query complex model
using (EPortfolioDB database = new EPortfolioDB())
{
Lecturer lecturer = database.Lecturers
.Where(l => l.LecturerId == lecturerId)
.Include(l => l.Students)
.ThenInclude(s => s.ProjectMembers)
.ThenInclude(pm => pm.Project)
.Single();
Assert.True(LecturerTest.CheckSampleLecturer(lecturer),
"lecturer obtained from DB inconsistent with one inserted " +
"into the db");
Student student = lecturer.Students.First();
Assert.True(StudentTest.CheckSampleStudent(student),
"student obtained from DB inconsistent with one inserted " +
"into the db");
ProjectMember projectMember = lecturer.Students.First()
.ProjectMembers.First();
Assert.Equal("Member", projectMember.Role);
Project project = projectMember.Project;
Assert.True(ProjectTest.CheckSampleProject(project),
"project obtained from DB inconsistent with one inserted " +
"into the db");
// cleanup
database.ProjectMembers.Remove(projectMember);
database.Projects.Remove(project);
database.Students.Remove(student);
database.Lecturers.Remove(lecturer);
database.SaveChanges();
}
}
public void TestStudentContruction()
{
Student sampleStudent = StudentTest.GetSampleStudent();
Assert.True(StudentTest.CheckSampleStudent(sampleStudent));
}