def test_chunked(self):
def pages(paginator):
return [x.page for x in paginator.pages]
impl = ChunkedPageRange(size=3)
paginator = Paginator(Request.blank('/news?page=1'),
limit=1, count=100, impl=impl)
self.assertEqual(pages(paginator), [1,2,3])
self.assertEqual(paginator.chunk_size, 3)
self.assertEqual(paginator.prev_chunk[0], None)
self.assertEqual(paginator.next_chunk[0], 4)
paginator = Paginator(Request.blank('/news?page=100'),
limit=1, count=100, impl=impl)
self.assertEqual(pages(paginator), [100])
self.assertEqual(paginator.chunk_size, 3)
self.assertEqual(paginator.prev_chunk[0], 99)
self.assertEqual(paginator.next_chunk[0], None)
paginator = Paginator(Request.blank('/news?page=11'),
limit=1, count=100, impl=impl)
self.assertEqual(pages(paginator), [10, 11, 12])
self.assertEqual(paginator.chunk_size, 3)
self.assertEqual(paginator.prev_chunk[0], 9)
self.assertEqual(paginator.next_chunk[0], 13)
def test_page_param(self):
paginator = Paginator(limit=4,
count=9,
request=Request.blank('/news?p=2'),
page_param='p')
paginator.items = paginator.slice(range(5))
self.assertEqual(paginator.next.url, '/news?p=3')
def test_page_param(self):
paginator = Paginator(limit=4,
count=9,
request=Request.blank('/news?p=2'),
page_param='p')
paginator.items = paginator.slice(range(5))
self.assertEqual(paginator.next.url, '/news?p=3')
def test_enumerate(self):
paginator = Paginator(limit=4,
count=6,
request=Request.blank('/news?p=2'),
page_param='p')
paginator.items = paginator.slice(range(6))
self.assertEqual(list(paginator.enumerate()), [
(5, 4), (6, 5),
])
def test_enumerate(self):
paginator = Paginator(limit=4,
count=6,
request=Request.blank('/news?p=2'),
page_param='p')
paginator.items = paginator.slice(range(6))
self.assertEqual(list(paginator.enumerate()), [
(5, 4), (6, 5),
])
def test_nonzero(self):
paginator = Paginator(limit=4, count=1,
request=Request.blank('/news'))
self.assertFalse(bool(paginator))
paginator = Paginator(limit=4, count=1,
request=Request.blank('/news?page=2'))
self.assertTrue(bool(paginator))
paginator = Paginator(limit=4, count=10,
request=Request.blank('/news'))
self.assertTrue(bool(paginator))
paginator = Paginator(count=1, request=Request.blank('/news'))
self.assertFalse(bool(paginator))
def test_last_page(self):
paginator = Paginator(limit=4,
count=5,
request=Request.blank('/news?page=2'))
paginator.items = paginator.slice(range(5))
self.assertEqual(paginator.count, 5)
self.assertEqual(paginator.page, 2)
self.assertEqual(paginator.pages_count, 2)
self.assertEqual(paginator.prev, (1, '/news'))
self.assertEqual(paginator.next, NONE)
self.assertEqual(paginator.first, (1, '/news'))
self.assertEqual(paginator.last, (2, '/news?page=2'))
self.assertEqual(paginator.pages, [(1, '/news'),
(2, '/news?page=2')])
self.assertEqual(paginator.items, [4])
def test_no_limit(self):
def pages(paginator):
return [x.page for x in paginator.pages]
paginator = Paginator(count=10,
request=Request.blank('/news'))
paginator.items = paginator.slice(range(8))
self.assertEqual(paginator.count, 10)
self.assertEqual(paginator.page, 1)
self.assertEqual(paginator.pages_count, 1)
self.assertEqual(paginator.prev, NONE)
self.assertEqual(paginator.next, NONE)
self.assertEqual(paginator.first, (1, '/news'))
self.assertEqual(paginator.last, (1, '/news'))
self.assertEqual(pages(paginator), [1])
self.assertEqual(paginator.items, [0,1,2,3,4,5,6,7])
def test_last_page(self):
paginator = Paginator(limit=4,
count=5,
request=Request.blank('/news?page=2'))
paginator.items = paginator.slice(list(range(5)))
self.assertEqual(paginator.count, 5)
self.assertEqual(paginator.page, 2)
self.assertEqual(paginator.pages_count, 2)
self.assertEqual(paginator.prev, (1, '/news'))
self.assertEqual(paginator.next, NONE)
self.assertEqual(paginator.first, (1, '/news'))
self.assertEqual(paginator.last, (2, '/news?page=2'))
self.assertEqual(paginator.pages, [(1, '/news'),
(2, '/news?page=2')])
self.assertEqual(paginator.items, [4])
def test_no_limit(self):
def pages(paginator):
return [x.page for x in paginator.pages]
paginator = Paginator(count=10,
request=Request.blank('/news'))
paginator.items = paginator.slice(list(range(8)))
self.assertEqual(paginator.count, 10)
self.assertEqual(paginator.page, 1)
self.assertEqual(paginator.pages_count, 1)
self.assertEqual(paginator.prev, NONE)
self.assertEqual(paginator.next, NONE)
self.assertEqual(paginator.first, (1, '/news'))
self.assertEqual(paginator.last, (1, '/news'))
self.assertEqual(pages(paginator), [1])
self.assertEqual(paginator.items, [0,1,2,3,4,5,6,7])
def test_page_object(self):
paginator = Paginator(limit=4,
count=0,
request=Request.blank('/news'))
self.assertFalse(bool(paginator.next))
self.assertEqual(paginator.last.page, 1)
self.assertEqual(paginator.last.url, '/news')
self.assertIsInstance(paginator.last.url, URL)
def test_not_existing_page(self):
paginator = Paginator(limit=4,
count=8,
request=Request.blank('/news?page=3'))
paginator.items = paginator.slice(range(8))
self.assertEqual(paginator.count, 8)
self.assertEqual(paginator.page, 3)
self.assertEqual(paginator.pages_count, 2)
self.assertEqual(paginator.prev, (2, '/news?page=2'))
self.assertEqual(paginator.next, NONE)
self.assertEqual(paginator.first, (1, '/news'))
self.assertEqual(paginator.last, (2, '/news?page=2'))
self.assertEqual(paginator.pages, [(1, '/news'),
(2, '/news?page=2')])
self.assertEqual(paginator.items, [])
paginator = Paginator(limit=4,
count=8,
request=Request.blank('/news?page=10'))
self.assertEqual(paginator.prev, (2, '/news?page=2'))
def test_empty(self):
paginator = Paginator(limit=4,
count=0,
request=Request.blank('/news'))
self.assertEqual(paginator.count, 0)
self.assertEqual(paginator.page, 1)
self.assertEqual(paginator.pages_count, 1)
self.assertEqual(paginator.prev, NONE)
self.assertEqual(paginator.next, NONE)
self.assertEqual(paginator.first, (1, '/news'))
self.assertEqual(paginator.last, (1, '/news'))
self.assertEqual(paginator.pages, [(1, '/news')])
def test_fancy(self):
def pages(paginator):
return [x.page for x in paginator.pages]
# in the middle
impl = FancyPageRange(edge=2, surround=3)
paginator = Paginator(Request.blank('/news?page=50'),
limit=1, count=100, impl=impl)
self.assertEqual(pages(paginator), [
1, 2, None, 47, 48, 49, 50, 51, 52, 53, None, 99, 100])
# at the start
paginator = Paginator(Request.blank('/news?page=1'),
limit=1, count=100, impl=impl)
self.assertEqual(pages(paginator), [
1, 2, 3, 4, None, 99, 100])
# near the start
paginator = Paginator(Request.blank('/news?page=5'),
limit=1, count=100, impl=impl)
self.assertEqual(pages(paginator), [
1, 2, 3, 4, 5, 6, 7, 8, None, 99, 100])
# outside the range
paginator = Paginator(Request.blank('/news?page=200'),
limit=1, count=100, impl=impl)
self.assertEqual(pages(paginator), [
1, 2, None, 99, 100])
# near the end
impl = FancyPageRange(edge=2, surround=5)
paginator = Paginator(Request.blank('/news?page=99'),
limit=1, count=100, impl=impl)
self.assertEqual(pages(paginator), [
1, 2, None, 94, 95, 96, 97, 98, 99, 100])
# one range inside another
impl = FancyPageRange(edge=8, surround=2)
paginator = Paginator(Request.blank('/news?page=4'),
limit=1, count=100, impl=impl)
self.assertEqual(pages(paginator), [
1, 2, 3, 4, 5, 6, 7, 8, None, 93, 94, 95, 96, 97, 98, 99, 100])
# short paginator
impl = FancyPageRange(edge=2, surround=5)
paginator = Paginator(Request.blank('/news?page=99'),
limit=1, count=2, impl=impl)
self.assertEqual(pages(paginator), [1, 2])
def test_not_existing_page(self):
paginator = Paginator(limit=4,
count=8,
request=Request.blank('/news?page=3'))
paginator.items = paginator.slice(list(range(8)))
self.assertEqual(paginator.count, 8)
self.assertEqual(paginator.page, 3)
self.assertEqual(paginator.pages_count, 2)
self.assertEqual(paginator.prev, (2, '/news?page=2'))
self.assertEqual(paginator.next, NONE)
self.assertEqual(paginator.first, (1, '/news'))
self.assertEqual(paginator.last, (2, '/news?page=2'))
self.assertEqual(paginator.pages, [(1, '/news'),
(2, '/news?page=2')])
self.assertEqual(paginator.items, [])
paginator = Paginator(limit=4,
count=8,
request=Request.blank('/news?page=10'))
self.assertEqual(paginator.prev, (2, '/news?page=2'))
def test_orphans(self):
request = Request.blank('/?page=10')
# without boundaries, should be 11 pages
paginator = Paginator(request=request,
count=105,
limit=10)
self.assertEqual(paginator.pages_count, 11)
self.assertEqual(paginator.page, 10)
self.assertEqual(paginator.slice(range(105)), range(90, 100))
# using orphans, count=105, orphans = 5, should be 10 pages
paginator = Paginator(request=request,
count=105,
orphans=5,
limit=10)
self.assertEqual(paginator.pages_count, 10)
self.assertEqual(paginator.page, 10)
self.assertEqual(paginator.slice(range(105)), range(90, 105))
paginator.items = paginator.slice(range(105))
self.assertEqual(list(paginator.enumerate()),
zip(range(91, 106), range(90, 105)))
# using orphans, count=106, orphans = 5, should be 11 pages
paginator = Paginator(request=request,
count=106,
orphans=5,
limit=10)
self.assertEqual(paginator.pages_count, 11)
self.assertEqual(paginator.page, 10)
self.assertEqual(paginator.slice(range(106)), range(90, 100))
paginator.items = paginator.slice(range(106))
self.assertEqual(list(paginator.enumerate()),
zip(range(91, 101), range(90, 100)))
def make_paginator(pg):
paginator = Paginator(Request.blank('/news?page='+pg),
limit=1, count=10,
invalid_page=invalid_page)
paginator.page
def test_orphans(self):
request = Request.blank('/?page=10')
# without boundaries, should be 11 pages
paginator = Paginator(request=request,
count=105,
limit=10)
self.assertEqual(paginator.pages_count, 11)
self.assertEqual(paginator.page, 10)
self.assertEqual(paginator.slice(range(105)), range(90, 100))
# using orphans, count=105, orphans = 5, should be 10 pages
paginator = Paginator(request=request,
count=105,
orphans=5,
limit=10)
self.assertEqual(paginator.pages_count, 10)
self.assertEqual(paginator.page, 10)
self.assertEqual(paginator.slice(range(105)), range(90, 105))
paginator.items = paginator.slice(range(105))
# XXX write a list of items
self.assertEqual(list(paginator.enumerate()),
list(zip(range(91, 106), range(90, 105))))
# using orphans, count=106, orphans = 5, should be 11 pages
paginator = Paginator(request=request,
count=106,
orphans=5,
limit=10)
self.assertEqual(paginator.pages_count, 11)
self.assertEqual(paginator.page, 10)
self.assertEqual(paginator.slice(range(106)), range(90, 100))
paginator.items = paginator.slice(range(106))
self.assertEqual(list(paginator.enumerate()),
list(zip(range(91, 101), range(90, 100))))
def test_invalid(self):
paginator = Paginator(Request.blank('/news?page=xx'), limit=1, count=10)
self.assertEqual(paginator.page, 1)
paginator = Paginator(Request.blank('/news?page=-1'), limit=1, count=10)
self.assertEqual(paginator.page, 1)