public Task <List <ProductEntity> > GetProductsBySpecification(ProductsQuerySpecification specification)
{
var query = CreateGetProductsBySpecificationQuery(specification);
if (specification.PageIndexQueried && specification.PageSizeQueried)
{
query = AddPaginationFilter(specification.PageIndex, specification.PageSize, query);
}
return(query.ToListAsync());
}
public async Task WhenOrderByWasNotQueriedThenMapToDefaultSortOptionInSpecification()
{
var inputQuery = new GetProductsBySpecificationQuery();
ProductsQuerySpecification specificationOnRepositoryInput = null;
_productRepository.Setup(r => r.GetProductsBySpecification(It.IsAny <ProductsQuerySpecification>()))
.ReturnsAsync(CreateProductList())
.Callback <ProductsQuerySpecification>(s => specificationOnRepositoryInput = s);
await _getProductsBySpecificationQueryHandler
.Handle(inputQuery, default);
specificationOnRepositoryInput.SortOption.Should().Be(SortOption.Default);
}
private IQueryable <ProductEntity> CreateGetProductsBySpecificationQuery(ProductsQuerySpecification specification)
{
var query = GetBaseOfGetProductsBySpecificationQuery();
if (specification.CategoryNameQueried)
{
query = AddCategoryNameFilter(specification.CategoryName, query);
}
if (specification.SearchPhraseQueried)
{
query = AddSearchPhraseFilter(specification.SearchPhrase, query);
}
return(AddOrderByFilter(specification.SortOption, query));
}
public async Task WhenOrderByWasQueriedThenMapToAccordingSortOptionInSpecification()
{
var inputQuery = CreateQueryWithOrderByQueried("exampleAsc");
ProductsQuerySpecification specificationOnRepositoryInput = null;
_productRepository.Setup(r => r.GetProductsBySpecification(It.IsAny <ProductsQuerySpecification>()))
.ReturnsAsync(CreateProductList())
.Callback <ProductsQuerySpecification>(s => specificationOnRepositoryInput = s);
_sortOptionNameParser.Setup(p => p.GetSortOptionFor("exampleAsc"))
.Returns(SortOption.NameAsc);
await _getProductsBySpecificationQueryHandler
.Handle(inputQuery, default);
specificationOnRepositoryInput.SortOption.Should().Be(SortOption.NameAsc);
}
public async Task WhenPaginationWasNotQueriedThenQueryProductsWithMaxPageSize()
{
var inputQuery = new GetProductsBySpecificationQuery();
ProductsQuerySpecification specificationOnRepositoryInput = null;
_productRepository.Setup(r => r.GetProductsBySpecification(It.IsAny <ProductsQuerySpecification>()))
.Callback <ProductsQuerySpecification>(s => specificationOnRepositoryInput = s)
.ReturnsAsync(CreateProductList());
_productRepository.Setup(r => r.CountProductsBySpecification(It.IsAny <ProductsQuerySpecification>()))
.ReturnsAsync(_maxPageSize);
var result = await _getProductsBySpecificationQueryHandler
.Handle(inputQuery, default);
specificationOnRepositoryInput.PageIndexQueried.Should().BeTrue();
specificationOnRepositoryInput.PageIndex.Should().Be(0);
specificationOnRepositoryInput.PageSize.Should().Be(_maxPageSize);
}
public async Task WhenPaginationWasQueriedThenReturnResultWithPaginatedProducts()
{
var inputQuery = CreateQueryWithPaginationQueried(0, 10);
var returnedFromRepository = CreateProductList();
ProductsQuerySpecification specificationOnRepositoryInput = null;
_productRepository.Setup(r => r.GetProductsBySpecification(It.IsAny <ProductsQuerySpecification>()))
.Callback <ProductsQuerySpecification>(s => specificationOnRepositoryInput = s)
.ReturnsAsync(returnedFromRepository);
_productRepository.Setup(r => r.CountProductsBySpecification(It.IsAny <ProductsQuerySpecification>()))
.ReturnsAsync(20);
var result = await _getProductsBySpecificationQueryHandler
.Handle(inputQuery, default);
specificationOnRepositoryInput.PageIndexQueried.Should().BeTrue();
specificationOnRepositoryInput.PageIndex.Should().Be(0);
specificationOnRepositoryInput.PageSize.Should().Be(10);
result.TotalCount.Should().Be(20);
result.PageIndex.Should().Be(0);
result.PageSize.Should().Be(10);
result.Items.Should().BeEquivalentTo(returnedFromRepository);
}
public Task <int> CountProductsBySpecification(ProductsQuerySpecification specification)
{
return(CreateGetProductsBySpecificationQuery(specification)
.CountAsync());
}
