public CreateStudentViewModel()
{
SelectedStudent = new Student();
StudentCatalog = StudentCatalogSingleton.Instance;
CreateStudentHandler = new CreateStudentHandler(this);
_addCommand = new RelayCommand(CreateStudentHandler.AddStudent);
}
public async Task CreateStudent_InvalidStudent_Fails()
{
// Arrange
var student = new CreateStudent("", "", DateTime.Now);
studentRepository.Setup(s => s.Add(It.IsAny <Student>())).ReturnsAsync(1);
var handler = new CreateStudentHandler(studentRepository.Object);
// Act
var result = await handler.Handle(student, CancellationToken.None);
// Assert
result.Match(
Left: error => Assert.Pass(),
Right: result => Assert.Fail("Validation should have failed"));
}
public async Task Handle_should_create_entity()
{
var repo = NSubstitute.Substitute.For <IStudentsRepository>();
var unitOfWork = NSubstitute.Substitute.For <ISchoolUnitOfWork>();
unitOfWork.StudentsRepository.ReturnsForAnyArgs(repo);
var validator = NSubstitute.Substitute.For <IValidator <CreateStudent> >();
validator.ValidateAsync(null, CancellationToken.None)
.ReturnsForAnyArgs(ValidationResult.Successful);
var sut = new CreateStudentHandler(validator, unitOfWork);
var command = new CreateStudent(Guid.NewGuid(), "new", "student");
await sut.Handle(command, CancellationToken.None);
repo.Received(1).CreateAsync(Arg.Is((Student c) => c.Id == command.StudentId && c.Firstname == command.StudentFirstname && c.Lastname == command.StudentLastname), Arg.Any <CancellationToken>());
unitOfWork.Received(1).CommitAsync(Arg.Any <CancellationToken>());
}
public async Task Handle_should_create_entity()
{
await using var dbContext = _fixture.BuildDbContext();
var studentsRepo = new StudentsRepository(dbContext);
var coursesRepo = new CoursesRepository(dbContext);
var messagesRepository = NSubstitute.Substitute.For <IMessagesRepository>();
var eventSerializer = NSubstitute.Substitute.For <IEventSerializer>();
var unitOfWork = new SchoolUnitOfWork(dbContext, coursesRepo, studentsRepo, messagesRepository, eventSerializer);
var sut = new CreateStudentHandler(new FakeValidator <CreateStudent>(), unitOfWork);
var command = new CreateStudent(Guid.NewGuid(), "new", "student");
await sut.Handle(command, CancellationToken.None);
var createdStudent = await studentsRepo.FindByIdAsync(command.StudentId, CancellationToken.None);
createdStudent.Should().NotBeNull();
createdStudent.Id.Should().Be(command.StudentId);
createdStudent.Firstname.Should().Be(command.StudentFirstname);
createdStudent.Lastname.Should().Be(command.StudentLastname);
}
