def test_set_limits(self):
# subsequence with xpath
xq = Xquery(xpath='/el')
xq.xq_var = '$n'
xq.set_limits(low=0, high=4)
self.assertEqual('subsequence(/el, 1, 4)', xq.getQuery())
# subsequence with FLWR query
xq.return_only({'name': 'name'})
self.assert_('subsequence(for $n in' in xq.getQuery())
# additive limits
xq = Xquery(xpath='/el')
xq.set_limits(low=2, high=10)
xq.set_limits(low=1, high=5)
self.assertEqual('subsequence(/el, 4, 4)', xq.getQuery())
# no high specified
xq = Xquery(xpath='/el')
xq.set_limits(low=10)
self.assertEqual('subsequence(/el, 11, )', xq.getQuery())
# no low
xq = Xquery(xpath='/el')
xq.set_limits(high=15)
self.assertEqual('subsequence(/el, 1, 15)', xq.getQuery())
def test_clear_limits(self):
xq = Xquery(xpath='/el')
xq.set_limits(low=2, high=5)
xq.clear_limits()
self.assertEqual('/el', xq.getQuery())
