public void Throw_WhenThePassedBrandIsNull()
{
//Arrange
var brandsMock = new Mock <IRepository <Brand> >();
BrandsServices brandsServices = new BrandsServices(brandsMock.Object);
//Act & Assert
Assert.Throws <ArgumentNullException>(() => brandsServices.Create(null));
}
public void ReturnNull_WhenIdParameterIsInvalid()
{
// Arrange
var brandsMock = new Mock <IRepository <Brand> >();
BrandsServices brandsServices = new BrandsServices(brandsMock.Object);
// Act
Brand brandResult = brandsServices.GetById(-1);
// Assert
Assert.IsNull(brandResult);
}
public void Invoke_TheRepositoryMethodGetAll_Once()
{
//Arrange
var brandsMock = new Mock <IRepository <Brand> >();
BrandsServices brandsServices = new BrandsServices(brandsMock.Object);
//Act
IEnumerable <Brand> brandResult = brandsServices.GetAll();
//Assert
brandsMock.Verify(c => c.All(), Times.Once);
}
public void InvokeRepositoryMethodAddOnce_WhenThePassedBrandIsValid()
{
//Arrange
var brandsMock = new Mock <IRepository <Brand> >();
BrandsServices brandsServices = new BrandsServices(brandsMock.Object);
int brandId = 2;
Brand brand = new Brand()
{
Id = brandId, Name = "Brand1"
};
//Act
brandsServices.Create(brand);
//Assert
brandsMock.Verify(x => x.Add(It.IsAny <Brand>()), Times.Once);
}
public void ReturnNull_WhenReposityMethodGetAll_ReturnsNull()
{
//Arrange
var brandsMock = new Mock <IRepository <Brand> >();
brandsMock.Setup(c => c.All()).Returns(() =>
{
return(null);
});
BrandsServices brandsServices = new BrandsServices(brandsMock.Object);
//Act
IEnumerable <Brand> brandResult = brandsServices.GetAll();
//Assert
Assert.IsNull(brandResult);
}
public void ReturnResultOfCorrectType()
{
//Arrange
var brandsMock = new Mock <IRepository <Brand> >();
brandsMock.Setup(c => c.All()).Returns(() =>
{
IEnumerable <Brand> expectedResultCollection = new List <Brand>();
return(expectedResultCollection);
});
BrandsServices brandsServices = new BrandsServices(brandsMock.Object);
//Act
IEnumerable <Brand> brandResult = brandsServices.GetAll();
//Assert
Assert.That(brandResult, Is.InstanceOf <IEnumerable <Brand> >());
}
public void ReturnResult_WhenInvokingRepositoryMethod_GetAll()
{
//Arrange
var brandsMock = new Mock <IRepository <Brand> >();
IEnumerable <Brand> expectedResultCollection = new List <Brand>();
brandsMock.Setup(c => c.All()).Returns(() =>
{
return(expectedResultCollection);
});
BrandsServices brandsServices = new BrandsServices(brandsMock.Object);
//Act
IEnumerable <Brand> brandResult = brandsServices.GetAll();
//Assert
Assert.That(brandResult, Is.EqualTo(expectedResultCollection));
}
public void ReturnBrand_WhenIdIsValid()
{
//Arrange
var brandsMock = new Mock <IRepository <Brand> >();
int brandId = 1;
Brand brand = new Brand()
{
Id = brandId, Name = "Brand1"
};
brandsMock.Setup(c => c.GetById(brandId)).Returns(brand);
BrandsServices brandsServices = new BrandsServices(brandsMock.Object);
//Act
Brand brandResult = brandsServices.GetById(brandId);
//Assert
Assert.AreSame(brand, brandResult);
}
