public void GetCarById_InvalidId() {
// Arrange
const int carId = 8;
_fakeApplicationDbContext.Cars.Add(new Car { Id = 1, User = _currentUser });
_fakeApplicationDbContext.Cars.Add(new Car { Id = 2, User = _currentUser });
_fakeApplicationDbContext.Cars.Add(new Car { Id = 3, User = _currentUser });
_fakeApplicationDbContext.Cars.Add(new Car { Id = 4, User = _currentUser });
_fakeApplicationDbContext.Cars.Add(new Car { Id = 5, User = _currentUser });
var carService = new CarService(_fakeApplicationDbContext, _mockCurrentUserService.Object);
// Act
var car = carService.GetCarById(carId);
// Assert
Assert.IsNull(car);
}
public void GetCarsPaginated() {
// Arrange
const int pageNumber = 2;
const int pageSize = 2;
_fakeApplicationDbContext.Cars.Add(new Car { Id = 1, User = _currentUser });
_fakeApplicationDbContext.Cars.Add(new Car { Id = 2, User = _currentUser });
_fakeApplicationDbContext.Cars.Add(new Car { Id = 3, User = _currentUser });
_fakeApplicationDbContext.Cars.Add(new Car { Id = 4, User = _currentUser });
_fakeApplicationDbContext.Cars.Add(new Car { Id = 5, User = _currentUser });
_fakeApplicationDbContext.Cars.Add(new Car { Id = 6, User = _otherUser });
_fakeApplicationDbContext.Cars.Add(new Car { Id = 7, User = _otherUser });
var carService = new CarService(_fakeApplicationDbContext, _mockCurrentUserService.Object);
// Act
var paginationViewModel = carService.GetCarsPaginated(pageNumber, pageSize);
// Assert
Assert.AreEqual(paginationViewModel.CurrentPage, pageNumber);
Assert.AreEqual(paginationViewModel.PageSize, pageSize);
Assert.AreEqual(paginationViewModel.TotalPages, 3); //user has 5 cars divided by a pagesize of 2 = 3 pages
Assert.AreEqual(paginationViewModel.Items.Count(), pageSize);
Assert.AreEqual(((Car)paginationViewModel.Items.First()).Id, 3); //page 2 should contain third (and fourth) car in case of a pagesize of 2
}
public void DeleteCar_CantDeleteIfInUse() {
Exception caugthException = null;
var car = new Car {
Id = 4,
User = _currentUser
};
_fakeApplicationDbContext.Cars.Add(car);
_fakeApplicationDbContext.Trips.Add(new Trip { Id = 1, User = _currentUser, Car = car });
var carService = new CarService(_fakeApplicationDbContext, _mockCurrentUserService.Object);
// Act
bool deleted = false;
try {
deleted = carService.DeleteCar(car.Id);
} catch (DbEntityValidationException ex) {
caugthException = ex;
}
// Assert
Assert.IsFalse(deleted);
Assert.IsNotNull(caugthException);
}
public void DeleteCar_CanDelete() {
const int carId = 2;
_fakeApplicationDbContext.Cars.Add(new Car { Id = 1, User = _currentUser });
_fakeApplicationDbContext.Cars.Add(new Car { Id = 2, User = _currentUser });
_fakeApplicationDbContext.Cars.Add(new Car { Id = 3, User = _currentUser });
_fakeApplicationDbContext.Cars.Add(new Car { Id = 4, User = _otherUser });
_fakeApplicationDbContext.Cars.Add(new Car { Id = 5, User = _currentUser });
var carService = new CarService(_fakeApplicationDbContext, _mockCurrentUserService.Object);
// Act
var deleted = carService.DeleteCar(carId);
// Assert
Assert.IsTrue(deleted);
}
public void UpdateCar_CanUpdate() {
// Arrange
var car = new Car {
Id = 1,
User = _currentUser,
Make = "DCM-12",
Model = "DeLorean",
NumberPlate = "OUTOFTIME"
};
_fakeApplicationDbContext.Cars.Add(car);
var carService = new CarService(_fakeApplicationDbContext, _mockCurrentUserService.Object);
var updatedCar = new Car {
Id = 1,
Make = "DeLorean",
Model = "DMC-12",
NumberPlate = "OUTATIME"
};
// Act
car = carService.UpdateCar(updatedCar);
// Assert
Assert.IsNotNull(updatedCar);
Assert.AreEqual(car.Make, "DeLorean");
Assert.AreEqual(car.Model, "DMC-12");
Assert.AreEqual(car.NumberPlate, "OUTATIME");
}
public void AddCar_ShouldThrowValidationError() {
// Arrange
Exception caugthException = null;
var car = new Car {
Make = "DeLorean",
Model = "DMC-12",
//NumberPlate = "OUTATIME"
};
var carService = new CarService(_fakeApplicationDbContext, _mockCurrentUserService.Object);
// Act
try {
car = carService.AddCar(car);
} catch (DbEntityValidationException ex) {
caugthException = ex;
}
// Assert
Assert.IsNull(car);
Assert.IsNotNull(caugthException);
}
public void AddCar_CanAdd() {
// Arrange
var car = new Car {
Make = "DeLorean",
Model = "DMC-12",
NumberPlate = "OUTATIME"
};
var carService = new CarService(_fakeApplicationDbContext, _mockCurrentUserService.Object);
// Act
car = carService.AddCar(car);
// Assert
Assert.IsNotNull(car);
Assert.AreEqual(car.Make, "DeLorean");
Assert.AreEqual(car.Model, "DMC-12");
Assert.AreEqual(car.NumberPlate, "OUTATIME");
}