public async Task Should_Return_Existing_Items_Test(string guid) //products from in-memory-db or combined
//Arrange
{
AlzaDbContext inMemoryDbContext = _factory.Create();
bool isDbReady = await inMemoryDbContext.Database.EnsureCreatedAsync();
isDbReady.ShouldBeTrue();
try {
_factory.SeedTestingData(inMemoryDbContext);
}
catch (Exception e) {
e.ShouldBeNull();
}
var sut = new GetProductRequest.Handler(_mapper, inMemoryDbContext);
//Act
var result = await sut.Handle(new GetProductRequest { ProductId = Guid.Parse(guid) }, CancellationToken.None);
//Assert
result.ShouldNotBeNull();
result.ShouldBeOfType <GetProductResponse>();
await inMemoryDbContext.Database.EnsureDeletedAsync();
await inMemoryDbContext.DisposeAsync();
}
public async Task Should_Verify_Item_Update_Test() //product update within in-memory-db or combined
//Arrange
{
AlzaDbContext inMemoryDbContext = _factory.Create();
bool isDbReady = await inMemoryDbContext.Database.EnsureCreatedAsync();
isDbReady.ShouldBeTrue();
try {
_factory.SeedTestingData(inMemoryDbContext);
}
catch (Exception e) {
e.ShouldBeNull();
}
var sut = new UpdateProductRequest.Handler(_mockMapper.Object, inMemoryDbContext);
//Act
UpdateProductResponse result = await sut.Handle(new UpdateProductRequest { ProductId = Guid.Empty }, CancellationToken.None);
//Assert
result.ProductUpdated.ShouldBe(false);
result.ProductDescription.ShouldBeNull();
result.ProductUpdateMessage.ShouldBe("Product not found");
_mockMapper.Verify(mapper => mapper.Map <UpdateProductResponse>(It.IsAny <UpdateProductRequest>()), Times.Never);
//Act
result = await sut.Handle(new UpdateProductRequest { ProductId = Guid.Parse("1BBDFAD4-B8CD-472A-881B-08D890B3E94F"), Description = "Old description" }, CancellationToken.None);
//Assert
result.ProductUpdated.ShouldBe(false);
result.ProductDescription.ShouldBeNull();
result.ProductUpdateMessage.ShouldBe("Product already up to date");
_mockMapper.Verify(mapper => mapper.Map <UpdateProductResponse>(It.IsAny <UpdateProductRequest>()), Times.Never);
Product dbResult = await inMemoryDbContext.Products.FindAsync(Guid.Parse("1BBDFAD4-B8CD-472A-881B-08D890B3E94F"));
dbResult.Description.ShouldBe("Old description");
//Act
_ = await sut.Handle(new UpdateProductRequest { ProductId = Guid.Parse("1BBDFAD4-B8CD-472A-881B-08D890B3E94F"), Description = "New description" }, CancellationToken.None);
//Assert
dbResult = await inMemoryDbContext.Products.FindAsync(Guid.Parse("1BBDFAD4-B8CD-472A-881B-08D890B3E94F"));
dbResult.Description.ShouldBe("New description");
_mockMapper.Verify(mapper => mapper.Map <UpdateProductResponse>(It.IsAny <Product>()), Times.Once);
await inMemoryDbContext.Database.EnsureDeletedAsync();
await inMemoryDbContext.DisposeAsync();
}
public async Task Should_Get_All_Existing_Items_Paginated_Test() //paginated products from in-memory-db or combined
//Arrange
{
AlzaDbContext inMemoryDbContext = _factory.Create();
bool isDbReady = await inMemoryDbContext.Database.EnsureCreatedAsync();
isDbReady.ShouldBeTrue();
try {
_factory.SeedTestingData(inMemoryDbContext);
}
catch (Exception e) {
e.ShouldBeNull();
}
var sut = new GetProductsPaginatedRequest.Handler(_mapper, inMemoryDbContext);
//Act
var result = await sut.Handle(new GetProductsPaginatedRequest { PageNumber = 1 }, CancellationToken.None);
//Assert
result.ShouldNotBeEmpty();
result.Count().ShouldBeEquivalentTo(10); //default page size
//Act
result = await sut.Handle(new GetProductsPaginatedRequest { PageNumber = 1, PageSize = 20 }, CancellationToken.None);
//Assert
result.ShouldNotBeEmpty();
result.Count().ShouldBeEquivalentTo(20); //set page size
//Act
result = await sut.Handle(new GetProductsPaginatedRequest { PageNumber = 1, PageSize = 1 }, CancellationToken.None); // ordering by id
var first = result.FirstOrDefault();
//Assert
result.ShouldNotBeEmpty();
result.Count().ShouldBeEquivalentTo(1); //set page size and number
//Act
result = await sut.Handle(new GetProductsPaginatedRequest { PageNumber = 2, PageSize = 1 }, CancellationToken.None); // ordering by id
var second = result.FirstOrDefault();
//Assert
result.ShouldNotBeEmpty();
result.Count().ShouldBeEquivalentTo(1); //set page size and number
first.ProductName.ShouldNotBeSameAs(second.ProductName); //different pages
//Act
result = await sut.Handle(new GetProductsPaginatedRequest { PageNumber = 1, PageSize = 1 }, CancellationToken.None); // ordering by id
var firstAgain = result.FirstOrDefault();
//Assert
result.ShouldNotBeEmpty();
result.Count().ShouldBeEquivalentTo(1); //set page size and number
first.ProductName.ShouldBeEquivalentTo(firstAgain.ProductName); //same page
//Act
result = await sut.Handle(new GetProductsPaginatedRequest { PageNumber = 1, PageSize = 1, PageOrderKey = product => product.Description }, CancellationToken.None); // ordering by description
//Assert
result.ShouldNotBeEmpty();
result.FirstOrDefault().ProductName.ShouldBe("TV"); //ordering by description
result.Count().ShouldBeEquivalentTo(1); //set page size and number
await inMemoryDbContext.Database.EnsureDeletedAsync();
await inMemoryDbContext.DisposeAsync();
}