def test_batch_bsize(self):
sequence = range(279)
# Random page
batch = BaseBatch(sequence, 10, start=80)
self.assertEqual(batch.length, 10)
# Last page
batch = BaseBatch(sequence, 10, start=270)
self.assertEqual(batch.length, 9)
# Beyond last page
batch = BaseBatch(sequence, 10, start=280)
self.assertEqual(batch.length, 0)
# Single item batch
batch = BaseBatch(range(1), 10)
self.assertEqual(batch.length, 1)
# Small sequence batch (to cover plone.z3cform.crud)
small_sequence = range(3)
# Page 1
batch = BaseBatch.fromPagenumber(small_sequence, 2, 1)
self.assertEqual(batch.length, 2)
# Page 2
batch = BaseBatch.fromPagenumber(small_sequence, 2, 2)
self.assertEqual(batch.length, 1)
def test_lastpage_with_orphans(self):
batch = BaseBatch(range(11), 10, orphan=1)
self.assertEqual(1, batch.lastpage)
batch = BaseBatch(range(109), 10, orphan=9)
self.assertEqual(10, batch.lastpage)
batch = BaseBatch(range(71), 10, orphan=2)
self.assertEqual(7, batch.lastpage)
self.assertRaises(AssertionError, BaseBatch, [], 10, orphan=20)
def test_pagenumber_never_over_numpages(self):
"""computed _pagenumber is never > numpages, this
makes previous_pages not fail."""
batch = BaseBatch([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], 3, 9)
self.assertEquals(batch.previous_pages, [1, 2, 3])
self.assertEquals(batch._pagenumber, 4)
# works especially with orphan
batch = BaseBatch([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], 3, 9, orphan=2)
self.assertEquals(batch.previous_pages, [1, 2])
self.assertEquals(batch._pagenumber, 3)
def test_batchview_plone(self):
from zope.publisher.browser import TestRequest
batch = BaseBatch([1, 2, 3, 4, 5, 6, 7], 3)
request = TestRequest(form={'a': 'foo', 'c': 'bar'})
setattr(request, 'ACTUAL_URL', 'http://nohost/dummy')
view = PloneBatchView(None, request)
view(batch, ['a', 'b'])
self.assertEqual(view.make_link(3),
'http://nohost/dummy?a=foo&b_start:int=6')
def test_getitem_resultcount(self):
class MySeq(list):
@property
def actual_result_count(self):
return len(self) + 1
batch = BaseBatch(MySeq(range(20)), 5)
self.assertEqual(batch[3], 3)
self.assertEqual(list(batch), [0, 1, 2, 3, 4])
self.assertRaises(IndexError, batch.__getitem__, 6)
def test_batchview_plone_ajax_load(self):
from zope.publisher.browser import TestRequest
batch = BaseBatch([1, 2, 3, 4, 5, 6, 7], 3)
request = TestRequest(form={'a': 'foo', 'ajax_load': 1})
setattr(request, 'ACTUAL_URL', 'http://nohost/dummy')
view = PloneBatchView(None, request)
view(batch) # don't set allowed params (batchformkeys) like above.
# allow all, but filter for ajax_load separately
self.assertEqual(view.make_link(3),
'http://nohost/dummy?a=foo&b_start:int=6')
def test_batch_bsize(self):
sequence = range(279)
# Random page
batch = BaseBatch(sequence, 10, start=80)
self.assertEqual(batch.length, 10)
# Last page
batch = BaseBatch(sequence, 10, start=270)
self.assertEqual(batch.length, 9)
# Beyond last page
batch = BaseBatch(sequence, 10, start=280)
self.assertEqual(batch.length, 0)
# Single item batch
batch = BaseBatch(range(1), 10)
self.assertEqual(batch.length, 1)
# Small sequence batch (to cover plone.z3cform.crud)
small_sequence = range(3)
# Page 1
batch = BaseBatch.fromPagenumber(small_sequence, 2, 1)
self.assertEqual(batch.length, 2)
# Page 2
batch = BaseBatch.fromPagenumber(small_sequence, 2, 2)
self.assertEqual(batch.length, 1)
def test_lastpage(self):
batch = BaseBatch(range(20), 5)
self.assertFalse(batch.islastpage)
lastbatch = BaseBatch(range(20), 5, start=batch.last)
self.assertTrue(lastbatch.islastpage)
def test_getitem_negative(self):
batch = BaseBatch(range(20), 5)
self.assertEqual(batch[-4], 1)
self.assertRaises(IndexError, batch.__getitem__, -6)
def test_getitem_out_of_batch(self):
batch = BaseBatch(range(20), 5)
self.assertRaises(IndexError, batch.__getitem__, 6)
def test_previous(self):
batch = BaseBatch(range(20), 5, 5)
prev = batch.previous
self.assertTrue(isinstance(prev, BaseBatch))
self.assertEqual(prev.start, 1)
def test_previous_first(self):
batch = BaseBatch(range(20), 5)
self.assertFalse(batch.previous)
def test_multiple_pages_longer(self):
"""sequence longer than batchsize"""
batch = BaseBatch(range(12), 10)
self.assertEquals(batch.multiple_pages, True)
def test_multiple_pages_equals(self):
"""sequence equals batchsize"""
batch = BaseBatch(range(12), 12)
self.assertEquals(batch.multiple_pages, False)
def test_multiple_pages_smaller(self):
"""sequence smaller than batchsize"""
batch = BaseBatch(range(12), 20)
self.assertEquals(batch.multiple_pages, False)
def test_items_not_on_page(self):
batch = BaseBatch(range(20), 5, start=5)
self.assertEqual(
batch.items_not_on_page,
[0, 1, 2, 3, 4, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19])
self.assertEqual(list(batch), [5, 6, 7, 8, 9])