def test_paginated_query():
db, Item, Part = create_test_model()
p = Paginator(db.query(Item), page=2, per_page=5)
items_in_page = list(p)
assert items_in_page[0].id == 6
assert items_in_page[1].id == 7
def test_paginated_joined_query():
db, Item, Part = create_test_model()
item = db.query(Item).first()
p = Paginator(item.parts, page=2, per_page=5)
items_in_page = list(p)
assert items_in_page[0].id == 6
assert items_in_page[1].id == 7
def test_abstract_list_pagination():
"""Yes indeed, the paginator can be used too without anything to actually
be paginated. How quaint!
"""
p = Paginator(query=None, page=1, per_page=20, total=490)
assert p.page == 1
assert not p.has_prev
assert p.has_next
assert p.total == 490
assert p.num_pages == 25
assert p.next_num == 2
assert list(p.pages) == [1, 2, 3, 4, 5, None, 24, 25]
p.page = 10
assert list(p.pages) == [1, 2, None, 7, 8, 9, 10, 11, 12, 13, 14, None, 24, 25]
def test_list_pagination():
"""The paginator is a helper class that can be used with any iterable
object.
"""
items = range(1, 491)
p = Paginator(items, page=1, per_page=20)
assert p.page == 1
assert not p.has_prev
assert p.has_next
assert p.total == 490
assert p.num_pages == 25
assert p.next_num == 2
assert list(p.pages) == [1, 2, 3, 4, 5, None, 24, 25]
p.page = 10
assert list(p.pages) == [1, 2, None, 7, 8, 9, 10, 11, 12, 13, 14, None, 24, 25]
assert list(p) == list(range(181, 201))
def test_bool_paginator():
assert Paginator(range(5))
assert not Paginator([])