def test_iterator(self):
# pylint: disable=unused-variable
paging = Paging(16, PagingRequest(1, 3))
i = 0
for page in paging:
i += 1
self.assertEqual(i, 6)
paging = Paging(1, PagingRequest(1, 1))
i = 0
for page in paging:
i += 1
self.assertEqual(i, 1)
paging = Paging(19, PagingRequest(2, 5))
i = 1
for page in paging:
i += 1
self.assertEqual(i, 4)
# expect one (empty) page for no content
paging = Paging(0, PagingRequest(1, 1))
i = 0
for page in paging:
i += 1
self.assertEqual(i, 1)
def test_has_next_page(self):
paging = Paging(16, PagingRequest(1, 3))
self.assertTrue(paging.has_next_page)
paging = Paging(16, PagingRequest(5, 3))
self.assertTrue(paging.has_next_page)
paging = Paging(16, PagingRequest(6, 3))
self.assertFalse(paging.has_next_page)
def test_is_last_page(self):
paging = Paging(3, PagingRequest(2, 1))
self.assertFalse(paging.is_last_page)
paging = Paging(3, PagingRequest(3, 1))
self.assertTrue(paging.is_last_page)
paging = Paging(0, PagingRequest(1, 1))
self.assertTrue(paging.is_last_page)
def test_constructor(self):
# page size must be larger than 0
with self.assertRaises(ValueError):
Paging(-1, PagingRequest(1, 1))
# page size must be of type int
with self.assertRaises(TypeError):
Paging('1', PagingRequest(1, 1))
# page number must be valid
with self.assertRaises(PageNotFoundException):
Paging(2, PagingRequest(3, 1))
paging = Paging(0, PagingRequest(1, 1))
paging = Paging(10, PagingRequest(1, 1))
self.assertTrue(paging is not None)
def test_next_page(self):
paging = Paging(15, PagingRequest(2, 5))
paging = paging.next_page
self.assertEqual(paging.content_size, 15)
self.assertEqual(paging.page_number, 3)
self.assertEqual(paging.page_size, 5)
paging = Paging(3, PagingRequest(3, 1))
with self.assertRaises(PageNotFoundException) as raise_context:
next_page = paging.next_page
del(next_page)
self.assertEqual(
str(raise_context.exception),
'A next page does not exist.')
def test_call(self):
config = testing.setUp()
config.add_route('some_route', '/')
pagination_request_writer = PaginationRequestWriterMock()
param_property_naming = PropertyNamingMock('page-number', 'page-size',
'sort-property',
'sort-direction')
url_creator_factory = UrlCreatorFactoryMock('http://example.com')
request = DummyRequest()
request.registry.pagination = {
'some_route': {
'pagination_request_writer': pagination_request_writer,
'param_property_naming': param_property_naming,
'url_creator_factory': url_creator_factory,
}
}
request.pagination = Pagination(Paging(100, PagingRequest(3, 12)),
Sorting('some_property', 'desc'))
request.matched_route = RouteMock('some_route')
event = BeforeRenderEventMock()
event['request'] = request
subscriber = PaginationBeforeRenderSubscriber()
subscriber(event)
self.assertEqual(pagination_request_writer.call_count, 1)
pagination = event.rendering_val['pagination']
self.assertEqual('http://example.com', str(pagination.url))
def test_paging(self):
paging_request = PagingRequest(3, 10)
paging = Paging(50, paging_request)
view_pagination = Pagination(
paging,
None)
self.assertEqual(view_pagination.paging, paging)
def test_page(self):
paging = Paging(3, PagingRequest(1, 1))
paging = paging.page(2)
self.assertEqual(paging.content_size, 3)
self.assertEqual(paging.page_number, 2)
self.assertEqual(paging.page_size, 1)
with self.assertRaises(PageNotFoundException) as raise_context:
paging.page(4)
self.assertEqual(
str(raise_context.exception),
'Page 4 does not exist.')
with self.assertRaises(PageNotFoundException) as raise_context:
paging.page(0)
self.assertEqual(
str(raise_context.exception),
'Page 0 does not exist.')
with self.assertRaises(PageNotFoundException) as raise_context:
paging.page(-1)
self.assertEqual(
str(raise_context.exception),
'Page -1 does not exist.')
def test_page_count(self):
paging = Paging(15, PagingRequest(1, 5))
self.assertTrue(paging.page_count, 5)
def test_content_size(self):
paging = Paging(10, PagingRequest(2, 5))
self.assertEqual(paging.content_size, 10)
def _create_paging(cls, page_number, page_size, content_size):
paging_request = PagingRequest(page_number, page_size)
paging = Paging(content_size, paging_request)
return paging
def test_has_previous_page(self):
paging = Paging(16, PagingRequest(1, 3))
self.assertFalse(paging.has_previous_page)
paging = Paging(16, PagingRequest(2, 3))
self.assertTrue(paging.has_previous_page)
def test_has_page(self):
paging = Paging(15, PagingRequest(1, 3))
self.assertTrue(paging.has_page(1))
self.assertTrue(paging.has_page(5))
self.assertFalse(paging.has_page(6))
paging = Paging(16, PagingRequest(1, 5))
self.assertTrue(paging.has_page(4))
self.assertFalse(paging.has_page(5))
paging = Paging(0, PagingRequest(1, 5))
self.assertTrue(paging.has_page(1))
def test_last_page(self):
paging = Paging(3, PagingRequest(2, 1))
paging = paging.last_page
self.assertEqual(paging.content_size, 3)
self.assertEqual(paging.page_number, 3)
self.assertEqual(paging.page_size, 1)
def get_response_provider(cls, content_size, page_number, page_size):
return UrlBuilder(
UrlCreatorMock('http://example.com/test/url'),
Pagination(
Paging(content_size, PagingRequest(page_number, page_size)),
Sorting('id', 'desc')))
