Package lxml :: Package tests :: Module test_relaxng |
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# Source Code for Module lxml.tests.test_relaxng

      1  # -*- coding: utf-8 -*-
      2
      3  """
      4  Test cases related to RelaxNG parsing and validation
      5  """
      6
      7  import unittest, sys, os.path
      8
      9  this_dir = os.path.dirname(__file__)
     10  if this_dir not in sys.path:
     11      sys.path.insert(0, this_dir) # needed for Py3
     12
     13  from common_imports import etree, BytesIO, _bytes, HelperTestCase, fileInTestDir
     14  from common_imports import doctest, make_doctest
     15
     16 -class ETreeRelaxNGTestCase(HelperTestCase):
     17 -    def test_relaxng(self):
     18          tree_valid = self.parse('<a><b></b></a>')
     19          tree_invalid = self.parse('<a><c></c></a>')
     20          schema = self.parse('''\
     21  <element name="a" xmlns="http://relaxng.org/ns/structure/1.0">
     22    <zeroOrMore>
     23       <element name="b">
     24         <text />
     25       </element>
     26    </zeroOrMore>
     27  </element>
     28  ''')
     29          schema = etree.RelaxNG(schema)
     30          self.assertTrue(schema.validate(tree_valid))
     31          self.assertFalse(schema.error_log.filter_from_errors())
     32
     33          self.assertFalse(schema.validate(tree_invalid))
     34          self.assertTrue(schema.error_log.filter_from_errors())
     35
     36          self.assertTrue(schema.validate(tree_valid))             # repeat valid
     37          self.assertFalse(schema.error_log.filter_from_errors())  # repeat valid
     38
     39 -    def test_relaxng_stringio(self):
     40          tree_valid = self.parse('<a><b></b></a>')
     41          tree_invalid = self.parse('<a><c></c></a>')
     42          schema_file = BytesIO('''\
     43  <element name="a" xmlns="http://relaxng.org/ns/structure/1.0">
     44    <zeroOrMore>
     45       <element name="b">
     46         <text />
     47       </element>
     48    </zeroOrMore>
     49  </element>
     50  ''')
     51          schema = etree.RelaxNG(file=schema_file)
     52          self.assertTrue(schema.validate(tree_valid))
     53          self.assertFalse(schema.validate(tree_invalid))
     54
     55 -    def test_relaxng_elementtree_error(self):
     56          self.assertRaises(ValueError, etree.RelaxNG, etree.ElementTree())
     57
     58 -    def test_relaxng_error(self):
     59          tree_invalid = self.parse('<a><c></c></a>')
     60          schema = self.parse('''\
     61  <element name="a" xmlns="http://relaxng.org/ns/structure/1.0">
     62    <zeroOrMore>
     63       <element name="b">
     64         <text />
     65       </element>
     66    </zeroOrMore>
     67  </element>
     68  ''')
     69          schema = etree.RelaxNG(schema)
     70          self.assertFalse(schema.validate(tree_invalid))
     71          errors = schema.error_log
     72          self.assertTrue([log for log in errors
     73                           if log.level_name == "ERROR"])
     74          self.assertTrue([log for log in errors
     75                           if "not expect" in log.message])
     76
     77 -    def test_relaxng_invalid_schema(self):
     78          schema = self.parse('''\
     79  <element name="a" xmlns="http://relaxng.org/ns/structure/1.0">
     80    <zeroOrMore>
     81       <element name="b" />
     82    </zeroOrMore>
     83  </element>
     84  ''')
     85          self.assertRaises(etree.RelaxNGParseError,
     86                            etree.RelaxNG, schema)
     87
     88 -    def test_relaxng_invalid_schema2(self):
     89          schema = self.parse('''\
     90  <grammar xmlns="http://relaxng.org/ns/structure/1.0" />
     91  ''')
     92          self.assertRaises(etree.RelaxNGParseError,
     93                            etree.RelaxNG, schema)
     94
     95 -    def test_relaxng_invalid_schema3(self):
     96          schema = self.parse('''\
     97  <grammar xmlns="http://relaxng.org/ns/structure/1.0">
     98    <define name="test">
     99      <element name="test"/>
    100    </define>
    101  </grammar>
    102  ''')
    103          self.assertRaises(etree.RelaxNGParseError,
    104                            etree.RelaxNG, schema)
    105
    106 -    def test_relaxng_invalid_schema4(self):
    107          # segfault
    108          schema = self.parse('''\
    109  <element name="a" xmlns="mynamespace" />
    110  ''')
    111          self.assertRaises(etree.RelaxNGParseError,
    112                            etree.RelaxNG, schema)
    113
    114 -    def test_relaxng_include(self):
    115          # this will only work if we access the file through path or
    116          # file object..
    117          f = open(fileInTestDir('test1.rng'), 'rb')
    118          try:
    119              schema = etree.RelaxNG(file=f)
    120          finally:
    121              f.close()
    122
    123 -    def test_relaxng_shortcut(self):
    124          tree_valid = self.parse('<a><b></b></a>')
    125          tree_invalid = self.parse('<a><c></c></a>')
    126          schema = self.parse('''\
    127  <element name="a" xmlns="http://relaxng.org/ns/structure/1.0">
    128    <zeroOrMore>
    129       <element name="b">
    130         <text />
    131       </element>
    132    </zeroOrMore>
    133  </element>
    134  ''')
    135          self.assertTrue(tree_valid.relaxng(schema))
    136          self.assertFalse(tree_invalid.relaxng(schema))
    137
    138 -    def test_multiple_elementrees(self):
    139          tree = self.parse('<a><b>B</b><c>C</c></a>')
    140          schema = etree.RelaxNG( self.parse('''\
    141  <element name="a" xmlns="http://relaxng.org/ns/structure/1.0">
    142    <element name="b">
    143      <text />
    144    </element>
    145    <element name="c">
    146      <text />
    147    </element>
    148  </element>
    149  ''') )
    150          self.assertTrue(schema.validate(tree))
    151          self.assertFalse(schema.error_log.filter_from_errors())
    152
    153          self.assertTrue(schema.validate(tree))                   # repeat valid
    154          self.assertFalse(schema.error_log.filter_from_errors())  # repeat valid
    155
    156          schema = etree.RelaxNG( self.parse('''\
    157  <element name="b" xmlns="http://relaxng.org/ns/structure/1.0">
    158    <text />
    159  </element>
    160  ''') )
    161          c_tree = etree.ElementTree(tree.getroot()[1])
    162          self.assertEqual(self._rootstring(c_tree), _bytes('<c>C</c>'))
    163          self.assertFalse(schema.validate(c_tree))
    164          self.assertTrue(schema.error_log.filter_from_errors())
    165
    166          b_tree = etree.ElementTree(tree.getroot()[0])
    167          self.assertEqual(self._rootstring(b_tree), _bytes('<b>B</b>'))
    168          self.assertTrue(schema.validate(b_tree))
    169          self.assertFalse(schema.error_log.filter_from_errors())
    170
    171
    172 -def test_suite():
    173      suite = unittest.TestSuite()
    174      suite.addTests([unittest.makeSuite(ETreeRelaxNGTestCase)])
    175      suite.addTests(
    176          [make_doctest('../../../doc/validation.txt')])
    177      return suite
    178
    179  if __name__ == '__main__':
    180      print('to test use test.py %s' % __file__)
    181