public void ReturnNull_WhenRepositoryMethodLast3_ReturnsNull()
{
//Arrange
var brands = new Mock <IEfGenericRepository <Brand> >();
brands.Setup(x => x.Last3()).Returns(() => null);
var brandsService = new BrandsService(brands.Object);
//Act
var result = brandsService.GetLast3();
//Assert
Assert.IsNull(result);
}
public void ReturnCorrectInstance()
{
//Arrange
var brands = new Mock <IEfGenericRepository <Brand> >();
var brandsCollectionLast3 = DataHelper.GetBrands().Take(3);
brands.Setup(x => x.Last3()).Returns(brandsCollectionLast3);
var brandsService = new BrandsService(brands.Object);
//Act
var result = brandsService.GetLast3();
//Assert
Assert.IsInstanceOf <IQueryable <Brand> >(result);
}
public void InvokeRepositoryMethosLast3Once()
{
//Arrange
var brands = new Mock <IEfGenericRepository <Brand> >();
var brandsCollectionLast3 = DataHelper.GetBrands().Take(3);
brands.Setup(x => x.Last3()).Returns(brandsCollectionLast3);
var brandsService = new BrandsService(brands.Object);
//Act
var result = brandsService.GetLast3();
//Assert
brands.Verify(x => x.Last3(), Times.Once);
}
public void ReturnCorrectModel()
{
//Arrange
var brands = new Mock <IEfGenericRepository <Brand> >();
var brandsCollectionLast3 = DataHelper.GetBrands().Take(3);
brands.Setup(x => x.Last3()).Returns(brandsCollectionLast3);
var brandsService = new BrandsService(brands.Object);
//Act
var result = brandsService.GetLast3();
//Assert
Assert.IsNotNull(result);
Assert.AreEqual(result, brandsCollectionLast3);
}
public void ReturnCorrectModelWithRightProperties()
{
//Arrange
var brands = new Mock <IEfGenericRepository <Brand> >();
var brandsCollectionLast3 = DataHelper.GetBrands().Take(3);
brands.Setup(x => x.Last3()).Returns(brandsCollectionLast3);
var brandsService = new BrandsService(brands.Object);
//Act
var result = brandsService.GetLast3();
//Assert
Assert.IsNotNull(result);
Assert.AreEqual(result, brandsCollectionLast3);
Assert.AreEqual(result.FirstOrDefault().Id, brandsCollectionLast3.FirstOrDefault().Id);
Assert.AreEqual(result.FirstOrDefault().Name, brandsCollectionLast3.FirstOrDefault().Name);
Assert.AreEqual(result.FirstOrDefault().WebSite, brandsCollectionLast3.FirstOrDefault().WebSite);
}