public async Task UpdateProductAsync_GivenNullProductDTO_ShouldThrowAnException()
{
IUnitOfWork <IBoltDbContext> unitOfWorkMock = new Mock <IUnitOfWork <IBoltDbContext> >().Object;
var service = new ProductsService(unitOfWorkMock);
service
.Awaiting(async sut => await sut.UpdateProductAsync(2, null))
.Should()
.ThrowExactly <ArgumentNullException>()
.WithMessage("Value cannot be null.\r\nParameter name: The model cannot be null or empty.");
}
public async Task GetProductDetailsAsync_GivenANullProductId_ShouldThrowAnException(int productId)
{
var unitOfWorkMock = new Mock <IUnitOfWork <IBoltDbContext> >();
var service = new ProductsService(unitOfWorkMock.Object);
service
.Awaiting(async sut => await sut.GetProductDetailsAsync(productId))
.Should()
.ThrowExactly <ArgumentException>()
.WithMessage("Failed to get the product details, please try again.")
.WithInnerException <Exception>();
}
public async Task GetProductsByIDsAsync_WhenGetRepositoryThrowsAnException_ShouldThrowAnException()
{
var exceptionToThrow = new ArgumentException();
var unitOfWorkMock = new Mock <IUnitOfWork <IBoltDbContext> >();
unitOfWorkMock.Setup(x => x.GetRepository <IProductsRepository>()).Callback(() => throw exceptionToThrow);
IEnumerable <int> productIds = new List <int>();
var service = new ProductsService(unitOfWorkMock.Object);
service
.Awaiting(async sut => await sut.GetProductsByIDsAsync(productIds))
.Should()
.ThrowExactly <ArgumentException>()
.WithInnerException <Exception>();
}
public async Task GetAllProductsAsync_WhenAnUnexpectedExceptionIsThrown_ShouldThrowAnException()
{
var exceptionToThrow = new ArgumentException();
var unitOfWorkMock = new Mock <IUnitOfWork <IBoltDbContext> >();
unitOfWorkMock.Setup(x => x.GetRepository <IProductsRepository>()).Callback(() => throw exceptionToThrow);
var service = new ProductsService(unitOfWorkMock.Object);
service
.Awaiting(async sut => await sut.GetAllProductsAsync())
.Should()
.ThrowExactly <ArgumentException>()
.WithMessage("Failed to get all products. Please try again.")
.WithInnerException <Exception>();
}
public async Task DeleteProductAsync_WhenRemoveThrowsAnException_ShouldThrowAnException()
{
var exceptionToThrow = new ArgumentException();
var unitofWorkMock = new Mock <IUnitOfWork <IBoltDbContext> >();
unitofWorkMock.Setup(x => x.DbContext.Products.Remove(It.IsAny <Product>()))
.Callback(() => throw exceptionToThrow);
var service = new ProductsService(unitofWorkMock.Object);
service
.Awaiting(async sut => await sut.DeleteProductAsync(2))
.Should()
.ThrowExactly <ArgumentException>()
.WithMessage("Failed to delete the product. Please try again.")
.WithInnerException <Exception>();
}
public async Task UpdateProdcutAsync_GivenNullParameters_ShouldThrowAnException(string name, string description)
{
IUnitOfWork <IBoltDbContext> unitOfWorkMock = new Mock <IUnitOfWork <IBoltDbContext> >().Object;
var productDto = new ProductDTO
{
Name = name,
Description = description
};
var service = new ProductsService(unitOfWorkMock);
service
.Awaiting(async sut => await sut.UpdateProductAsync(2, productDto))
.Should()
.ThrowExactly <ArgumentException>()
.WithMessage("Failed to update the product. Please try again.")
.WithInnerException <Exception>();
}
