public void VisibleFrom_Should_Throw_ArgumentNullException_If_Categories_Is_Null()
{
IQueryable<Category> categories = null;
DateTime fromDate = DateTime.Today;
var ex = Assert.Throws<ArgumentNullException>(() => CategoryExtensions.VisibleFrom(categories, fromDate));
Assert.Equal(nameof(categories), ex.ParamName);
}
public void VisibleFrom_Should_Returns_Only_Categories_With_VisibleFrom_Date_Greater_Than_The_Specified_Date()
{
DateTime fromDate = DateTime.Today;
var c1 = Category.Create("c1", "c1", "c1");
var c2 = Category.Create("c2", "c2", "c2");
var c3 = Category.Create("c3", "c3", "c3");
c1.SetAsVisible(fromDate, null);
c2.SetAsVisible();
IQueryable<Category> categories = new Category[]
{
c1, c2, c3
}.AsQueryable();
var categoriesVisible = CategoryExtensions.VisibleFrom(categories, fromDate).ToArray();
Assert.True(categoriesVisible.All(c => c.VisibleFrom >= fromDate && c.IsVisible));
}
public void VisibleTill_Should_Returns_Only_Categories_With_VisibleTo_Date_Previous_Than_The_Specified_Date()
{
DateTime tillDate = DateTime.Today.AddDays(3);
var c1 = Category.Create("c1", "c1", "c1");
var c2 = Category.Create("c2", "c2", "c2");
var c3 = Category.Create("c3", "c3", "c3");
c1.SetAsVisible(DateTime.Today, tillDate);
c2.SetAsVisible(DateTime.Today, DateTime.Today.AddDays(1));
IQueryable<Category> categories = new Category[]
{
c1, c2, c3
}.AsQueryable();
var categoriesVisible = CategoryExtensions.VisibleFrom(categories, tillDate).ToArray();
Assert.True(categoriesVisible.All(c => c.VisibleTo <= tillDate && c.IsVisible));
}