public void ReturnNull_WhenRepositoryMethodLast3_ReturnsNull()
{
//Arrange
var supplements = new Mock <IEfGenericRepository <Supplement> >();
supplements.Setup(x => x.Last3()).Returns(() => null);
var supplementsService = new SupplementsService(supplements.Object);
//Act
var result = supplementsService.GetLast3();
//Assert
Assert.IsNull(result);
}
public void ReturnCorrectInstance()
{
//Arrange
var supplements = new Mock <IEfGenericRepository <Supplement> >();
var supplementsCollectionLast3 = DataHelper.GetSupplements().Take(3);
supplements.Setup(x => x.Last3()).Returns(supplementsCollectionLast3);
var supplementsService = new SupplementsService(supplements.Object);
//Act
var result = supplementsService.GetLast3();
//Assert
Assert.IsInstanceOf <IQueryable <Supplement> >(result);
}
public void InvokeRepositoryMethosLast3Once()
{
//Arrange
var supplements = new Mock <IEfGenericRepository <Supplement> >();
var supplementsCollectionLast3 = DataHelper.GetSupplements().Take(3);
supplements.Setup(x => x.Last3()).Returns(supplementsCollectionLast3);
var supplementsService = new SupplementsService(supplements.Object);
//Act
var result = supplementsService.GetLast3();
//Assert
supplements.Verify(x => x.Last3(), Times.Once);
}
public void ReturnCorrectModel()
{
//Arrange
var supplements = new Mock <IEfGenericRepository <Supplement> >();
var supplementsCollectionLast3 = DataHelper.GetSupplements().Take(3);
supplements.Setup(x => x.Last3()).Returns(supplementsCollectionLast3);
var supplementsService = new SupplementsService(supplements.Object);
//Act
var result = supplementsService.GetLast3();
//Assert
Assert.IsNotNull(result);
Assert.AreEqual(result, supplementsCollectionLast3);
}
public void ReturnCorrectModelWithRightProperties()
{
//Arrange
var supplements = new Mock <IEfGenericRepository <Supplement> >();
var supplementsCollectionLast3 = DataHelper.GetSupplements().Take(3);
supplements.Setup(x => x.Last3()).Returns(supplementsCollectionLast3);
var supplementsService = new SupplementsService(supplements.Object);
//Act
var result = supplementsService.GetLast3();
//Assert
Assert.IsNotNull(result);
Assert.AreEqual(result, supplementsCollectionLast3);
Assert.AreEqual(result.FirstOrDefault().Id, supplementsCollectionLast3.FirstOrDefault().Id);
Assert.AreEqual(result.FirstOrDefault().Name, supplementsCollectionLast3.FirstOrDefault().Name);
Assert.AreEqual(result.FirstOrDefault().ImageUrl, supplementsCollectionLast3.FirstOrDefault().ImageUrl);
}