public void Throw_WhenIdParameterIsInvalid()
{
// Arrange
var brands = new Mock <IEfGenericRepository <Brand> >();
var invalidBrandId = 0;
var brandsService = new BrandsService(brands.Object);
//Act & Assert
Assert.Throws <ArgumentOutOfRangeException>(() => brandsService.GetById(invalidBrandId));
}
public void ReturnNull_WhenRepositoryMethodGetById_ReturnsNull()
{
//Arrange
var brands = new Mock <IEfGenericRepository <Brand> >();
var brandId = 1;
brands.Setup(x => x.GetById(It.IsAny <int>())).Returns(() => null);
var brandsService = new BrandsService(brands.Object);
//Act
var result = brandsService.GetById(brandId);
//Assert
Assert.IsNull(result);
}
public void ReturnCorrectInstance()
{
//Arrange
var brands = new Mock <IEfGenericRepository <Brand> >();
var brand = DataHelper.GetBrand();
var brandId = brand.Id;
brands.Setup(x => x.GetById(It.IsAny <int>())).Returns(brand);
var brandsService = new BrandsService(brands.Object);
//Act
var result = brandsService.GetById(brandId);
//Assert
Assert.IsInstanceOf <Brand>(result);
}
public void InvokeRepositoryMethosGetByIdOnce()
{
//Arrange
var brands = new Mock <IEfGenericRepository <Brand> >();
var brand = DataHelper.GetBrand();
var brandId = brand.Id;
brands.Setup(x => x.GetById(It.IsAny <int>())).Returns(brand);
var brandsService = new BrandsService(brands.Object);
//Act
var result = brandsService.GetById(brandId);
//Assert
brands.Verify(x => x.GetById(It.IsAny <int>()), Times.Once);
}
public void ReturnCorrectModelWithRightProperties()
{
//Arrange
var brands = new Mock <IEfGenericRepository <Brand> >();
var brand = DataHelper.GetBrand();
var brandId = brand.Id;
brands.Setup(x => x.GetById(It.IsAny <int>())).Returns(brand);
var brandsService = new BrandsService(brands.Object);
//Act
var result = brandsService.GetById(brandId);
//Assert
Assert.IsNotNull(result);
Assert.AreEqual(result, brand);
Assert.AreEqual(result.Id, brand.Id);
Assert.AreEqual(result.Name, brand.Name);
Assert.AreEqual(result.WebSite, brand.WebSite);
}