public async Task CreateInMemoryDatabase()
{
// Arrange
var options = new DbContextOptionsBuilder <AppDbContext>()
.UseInMemoryDatabase(databaseName: "in_memory_database")
.Options;
var currentUserService = new CurrentUserServiceServiceStub(1, true);
IDbContext dbContext = new AppDbContext(options, currentUserService);
//we have to create in memory database
dbContext.Products.AddRange(new List <Product>
{
new Product {
IsAvailable = true, Quantity = 10, Id = 1, Name = "Product1"
},
new Product {
IsAvailable = true, Quantity = 1, Id = 2, Name = "Product2"
},
});
await dbContext.SaveChangesAsync();
var handler = new GetAvailableProductsQueryHandler(dbContext);
// Act
var products = await handler.Handle(new GetAvailableProductsQuery(), CancellationToken.None);
// Assert
Assert.All(products, x =>
{
Assert.True(x.IsAvailable);
Assert.NotEqual(0, x.Quantity);
});
}
public async Task MockOfRepositoryMethod()
{
// Arrange
var mockRepository = new Mock <IProductRepository>();
IReadOnlyList <Product> products = new List <Product>()
{
new Product {
IsAvailable = true, Quantity = 10, Id = 1, Name = "Product1"
},
new Product {
IsAvailable = true, Quantity = 1, Id = 2, Name = "Product2"
},
};
//it is possible to mock any method of repository or unit of work
mockRepository.Setup(x => x.GetAvailableProductsAsync())
.Returns(Task.FromResult(products));
var mockUoW = new Mock <IRepositoryUnitOfWork>();
mockUoW.Setup(x => x.ProductRepository).Returns(mockRepository.Object);
var handler = new GetAvailableProductsQueryHandler(mockUoW.Object);
// Act
var res = await handler.Handle(new GetAvailableProductsQuery(), CancellationToken.None);
// Assert
Assert.All(res, x =>
{
Assert.True(x.IsAvailable);
Assert.NotEqual(0, x.Quantity);
});
}