public void Add_ValidEntity_Must_Not_Return_Null()
{
//
// Arrange
//
var studentList = GetStudentList();
var context = GetMyUniDbContext(studentList);
var mockedRepository = new Mock<GenericRepository<Student>>(context);
mockedRepository.Setup(x => x.Add(It.IsAny<Student>())).Returns((Student s) =>
{
if (s == null)
{
return null;
}
studentList.Add(s);
return s;
});
var newStudent = new Student {FirstName = "D"};
//
// Act
//
var student = mockedRepository.Object.Add(newStudent);
//
// Assert
//
Assert.AreEqual(4, studentList.Count);
Assert.IsNotNull(student, "The student does not exist");
}
public static Student ToEntity(this StudentViewModel studentViewModel)
{
var student = new Student
{
Id = studentViewModel.Id,
FirstName = studentViewModel.FirstName,
LastName = studentViewModel.LastName,
EnrolledDate = studentViewModel.EnrolledDate,
Enrollments = studentViewModel.Enrollments == null ? new Collection<Enrollment>() :
new Collection<Enrollment>(studentViewModel.Enrollments.Select(x => x.ToEntity()).ToList())
};
return student;
}
public void Update_Non_Existing_Entity_Must_Not_Be_Updated()
{
var studentList = GetStudentList();
var context = GetMyUniDbContext(studentList);
var mockedRepository = new Mock<GenericRepository<Student>>(context);
mockedRepository.Setup(x => x.Update(It.IsAny<Student>())).Callback((Student student) =>
{
var findIndex = studentList.FindIndex(x => x.Id == student.Id);
if (findIndex < 0)
{
return;
}
studentList[findIndex] = student;
});
var studentToUpdate = new Student{FirstName = "AAA"};
mockedRepository.Object.Update(studentToUpdate);
Assert.AreEqual(studentList[0].FirstName, "A");
}
public void Delete_Non_Existing_Id_Must_Not_Affect_Collection()
{
var studentList = GetStudentList();
var context = GetMyUniDbContext(studentList);
var mockedRepository = new Mock<GenericRepository<Student>>(context);
mockedRepository.Setup(x => x.Delete(It.IsAny<int>())).Callback((int id) =>
{
studentList.Remove(studentList.FirstOrDefault(x => x.Id == id));
});
var studentToRemove = new Student { Id = 999 };
mockedRepository.Object.Delete(studentToRemove.Id);
Assert.AreEqual(3, studentList.Count);
}
public void Delete_Non_Existing_Entity_Must_Not_Affect_Collection()
{
var studentList = GetStudentList();
var context = GetMyUniDbContext(studentList);
var mockedRepository = new Mock<GenericRepository<Student>>(context);
mockedRepository.Setup(x => x.Delete(It.IsAny<Student>())).Callback((Student s) =>
{
studentList.Remove(s);
});
var studentToRemove = new Student{FirstName = "AAA"};
mockedRepository.Object.Delete(studentToRemove);
Assert.AreEqual(3, studentList.Count);
}