public override async Task <RequestResult <IEnumerable <ProductCategoryDto> > > Handle(
GetProductCategoriesQuery request, CancellationToken cancellationToken)
{
var categories = await _productCategoriesRepository.GetActiveProductCategories();
return(request.Success(_mapper.Map <IEnumerable <ProductCategoryDto> >(categories)));
}
public async Task Handle_ProductCategoriesExists_ReturnProductCategories(
List <Entities.ProductCategory> productCategories,
[Frozen] Mock <IRepository <Entities.ProductCategory> > categoriesRepoMock,
GetProductCategoriesQueryHandler sut,
GetProductCategoriesQuery query
)
{
// Arrange
categoriesRepoMock.Setup(x => x.ListAsync(
It.IsAny <GetProductCategoriesSpecification>(),
It.IsAny <CancellationToken>()
))
.ReturnsAsync(productCategories);
//Act
var result = await sut.Handle(query, CancellationToken.None);
//Assert
result.Should().NotBeNull();
categoriesRepoMock.Verify(x => x.ListAsync(
It.IsAny <ISpecification <Entities.ProductCategory> >(),
It.IsAny <CancellationToken>()
));
for (int i = 0; i < result.Count; i++)
{
result[i].Name.Should().Be(productCategories[i].Name);
}
}
public void Handle_NoProductCategoriesExists_ThrowArgumentNullException(
[Frozen] Mock <IRepository <Entities.ProductCategory> > categoriesRepoMock,
GetProductCategoriesQueryHandler sut,
GetProductCategoriesQuery query
)
{
//Arrange
categoriesRepoMock.Setup(x => x.ListAsync(
It.IsAny <GetProductCategoriesSpecification>(),
It.IsAny <CancellationToken>()
))
.ReturnsAsync((List <Entities.ProductCategory>)null);
//Act
Func <Task> func = async() => await sut.Handle(query, CancellationToken.None);
//Assert
func.Should().ThrowAsync <ArgumentNullException>();
categoriesRepoMock.Verify(x => x.ListAsync(
It.IsAny <ISpecification <Entities.ProductCategory> >(),
It.IsAny <CancellationToken>()
));
}
