public void Should_CreateNewSubCategory_Given_NewUniqueName()
{
// Arrange.
var categoryService = new CategoryService(_dbContext);
var categoryId = 2;
var subCategoryName = "Python";
var category = _categoriesSet.Single(c => c.Id == categoryId);
// Act.
categoryService.CreateSubCategory(categoryId, subCategoryName);
// Assert.
category.SubCategories.Received(1).Add(Arg.Any <SubCategory>());
_dbContext.Received(1).SaveChanges();
}
public void Should_AddNewCategory()
{
// Arrange.
var categoryService = new CategoryService(_dbContext);
var categoryName = "Programming";
// Act.
var createdCategory = categoryService.CreateCategory(categoryName);
// Assert.
var delegateOne = new TestDelegate(() => _categoriesSet.Received(1).Add(Arg.Any <Category>()));
var delegateTwo = new TestDelegate(() => _dbContext.Received(1).SaveChanges());
Assert.DoesNotThrow(delegateOne);
Assert.DoesNotThrow(delegateTwo);
}
