public void Throw_WhenPassedParameterIsNull()
{
//Arrange
var supplements = new Mock <IEfGenericRepository <Supplement> >();
var supplementsService = new SupplementsService(supplements.Object);
//Act & Assert
Assert.Throws <ArgumentNullException>(() => supplementsService.Delete(null));
}
public void InvokeRepositoryMethodDeleteOnce_WhenPassedParameterIsValid()
{
//Arrange
var supplements = new Mock <IEfGenericRepository <Supplement> >();
supplements.Setup(x => x.Delete(It.IsAny <Supplement>())).Verifiable();
var supplementsService = new SupplementsService(supplements.Object);
var supplement = DataHelper.GetSupplement();
//Act
supplementsService.Delete(supplement);
//Assert
supplements.Verify(x => x.Delete(It.IsAny <Supplement>()), Times.Once);
}