Package lxml :: Package tests :: Module test_errors

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# Source Code for Module lxml.tests.test_errors

     1  # -*- coding: utf-8 -*-
     2  import unittest, doctest
     3
     4  # These tests check that error handling in the Pyrex code is
     5  # complete.
     6  # It is likely that if there are errors, instead of failing the code
     7  # will simply crash.
     8
     9  import sys, gc, os.path
    10  from lxml import etree
    11
    12  this_dir = os.path.dirname(__file__)
    13  if this_dir not in sys.path:
    14      sys.path.insert(0, this_dir) # needed for Py3
    15
    16  from common_imports import HelperTestCase
    17
    18 -class ErrorTestCase(HelperTestCase):
    19      etree = etree
    20
    21 -    def test_bad_element(self):
    22          # attrib argument of Element() should be a dictionary, so if
    23          # we pass a string we should get an error.
    24          self.assertRaises(TypeError, self.etree.Element, 'a', 'b')
    25
    26 -    def test_empty_parse(self):
    27          self.assertRaises(etree.XMLSyntaxError, etree.fromstring, '')
    28
    29 -    def test_element_cyclic_gc_none(self):
    30          # test if cyclic reference can crash etree
    31          Element = self.etree.Element
    32          gc.collect()
    33
    34          count = sys.getrefcount(None)
    35
    36          l = [Element('name'), Element('name')]
    37          l.append(l)
    38
    39          del l
    40          gc.collect()
    41
    42          self.assertEqual(sys.getrefcount(None), count)
    43
    44 -def test_suite():
    45      suite = unittest.TestSuite()
    46      suite.addTests([unittest.makeSuite(ErrorTestCase)])
    47      return suite
    48
    49  if __name__ == '__main__':
    50      print('to test use test.py %s' % __file__)
    51