public void It_Validates_The_Course_Id()
{
var command = new DisenrollStudentCommand(Guid.NewGuid(), Guid.Empty, "A");
var result = validator.Validate(command);
AssertHasValidationError(result, "CourseId");
}
public async Task <IActionResult> Disenroll(
[FromRoute] Guid studentId,
[FromBody] DisenrollStudentRequest request)
{
var command = new DisenrollStudentCommand(studentId, request.CourseId, request.Comment);
var result = await mediator.Send(command);
return(FromPresenter(new DisenrollStudentPresenter(result)));
}
public async Task It_Returns_A_Failure_If_Course_Not_Found()
{
var student = new Student(
new StudentName("Jordan Walker"),
new EmailAddress("*****@*****.**")
);
await studentRepositorySpy.Add(student);
var command = new DisenrollStudentCommand(student.Id, Guid.NewGuid(), "Comment.");
var result = await handler.Handle(command, new CancellationToken());
Assert.True(result.IsFailure);
Assert.IsType <CourseNotFoundError>(result.Error);
}
public async Task It_Returns_A_Failure_If_Student_Not_Found()
{
var course = new Course(
new CourseTitle("Philsophy"),
new Credits(1)
);
await courseRepositorySpy.Add(course);
var command = new DisenrollStudentCommand(Guid.NewGuid(), course.Id, "Comment.");
var result = await handler.Handle(command, new CancellationToken());
Assert.True(result.IsFailure);
Assert.IsType <StudentNotFoundError>(result.Error);
}
public void It_Validates_The_Comment()
{
DisenrollStudentCommand command;
Result result;
command = new DisenrollStudentCommand(Guid.NewGuid(), Guid.NewGuid(), null);
result = validator.Validate(command);
AssertHasValidationError(result, "Comment");
command = new DisenrollStudentCommand(Guid.NewGuid(), Guid.NewGuid(), string.Empty);
result = validator.Validate(command);
AssertHasValidationError(result, "Comment");
command = new DisenrollStudentCommand(Guid.NewGuid(), Guid.NewGuid(), " ");
result = validator.Validate(command);
AssertHasValidationError(result, "Comment");
}
public async Task It_Returns_An_Error_If_Student_Is_Not_Enrolled_In_Course()
{
var student = new Student(
new StudentName("Jordan Walker"),
new EmailAddress("*****@*****.**")
);
var course = new Course(
new CourseTitle("Philsophy"),
new Credits(1)
);
await studentRepositorySpy.Add(student);
await courseRepositorySpy.Add(course);
var command = new DisenrollStudentCommand(student.Id, course.Id, "Comment.");
var result = await handler.Handle(command, new CancellationToken());
Assert.True(result.IsFailure);
}
public async Task It_Enrolls_The_Student()
{
var student = new Student(
new StudentName("Jordan Walker"),
new EmailAddress("*****@*****.**")
);
var course = new Course(
new CourseTitle("Philsophy"),
new Credits(1)
);
student.Enroll(course, Grade.A);
await studentRepositorySpy.Add(student);
await courseRepositorySpy.Add(course);
var command = new DisenrollStudentCommand(student.Id, course.Id, "Comment.");
var result = await handler.Handle(command, new CancellationToken());
Assert.False(student.AlreadyEnrolledIn(course));
Assert.True(result.IsSuccess);
Assert.True(unitOfWorkSpy.WasCommited);
}
