public void Throw_WhenIdParameterIsInvalid()
{
// Arrange
var supplements = new Mock <IEfGenericRepository <Supplement> >();
var invalidSupplementId = 0;
var supplementsService = new SupplementsService(supplements.Object);
//Act & Assert
Assert.Throws <ArgumentOutOfRangeException>(() => supplementsService.GetById(invalidSupplementId));
}
public void ReturnNull_WhenRepositoryMethodGetById_ReturnsNull()
{
//Arrange
var supplementId = 1;
var supplements = new Mock <IEfGenericRepository <Supplement> >();
supplements.Setup(x => x.GetById(It.IsAny <int>())).Returns(() => null);
var supplementsService = new SupplementsService(supplements.Object);
//Act
var result = supplementsService.GetById(supplementId);
//Assert
Assert.IsNull(result);
}
public void ReturnCorrectInstance()
{
//Arrange
var supplements = new Mock <IEfGenericRepository <Supplement> >();
var supplement = DataHelper.GetSupplement();
var supplementId = supplement.Id;
supplements.Setup(x => x.GetById(It.IsAny <int>())).Returns(supplement);
var supplementsService = new SupplementsService(supplements.Object);
//Act
var result = supplementsService.GetById(supplementId);
//Assert
Assert.IsInstanceOf <Supplement>(result);
}
public void InvokeRepositoryMethosGetByIdOnce()
{
//Arrange
var supplements = new Mock <IEfGenericRepository <Supplement> >();
var supplement = DataHelper.GetSupplement();
var supplementId = supplement.Id;
supplements.Setup(x => x.GetById(It.IsAny <int>())).Returns(supplement);
var supplementsService = new SupplementsService(supplements.Object);
//Act
var result = supplementsService.GetById(supplementId);
//Assert
supplements.Verify(x => x.GetById(It.IsAny <int>()), Times.Once);
}
public void ReturnCorrectModelWithRightProperties()
{
//Arrange
var supplements = new Mock <IEfGenericRepository <Supplement> >();
var supplement = DataHelper.GetSupplement();
var supplementId = supplement.Id;
supplements.Setup(x => x.GetById(It.IsAny <int>())).Returns(supplement);
var supplementsService = new SupplementsService(supplements.Object);
//Act
var result = supplementsService.GetById(supplementId);
//Assert
Assert.IsNotNull(result);
Assert.AreEqual(result, supplement);
Assert.AreEqual(result.Id, supplement.Id);
Assert.AreEqual(result.Name, supplement.Name);
Assert.AreEqual(result.ImageUrl, supplement.ImageUrl);
}
