# -*- coding: utf-8 -*-
"""
Test cases related to namespace implementation classes and the
namespace registry mechanism
"""
import unittest, sys, os.path
this_dir = os.path.dirname(__file__)
if this_dir not in sys.path:
sys.path.insert(0, this_dir) # needed for Py3
from common_imports import etree, HelperTestCase, _bytes
from common_imports import doctest, make_doctest
class ETreeNamespaceClassesTestCase(HelperTestCase):
class default_class(etree.ElementBase):
pass
class maeh_class(etree.ElementBase):
def maeh(self):
return 'maeh'
class bluff_class(etree.ElementBase):
def bluff(self):
return 'bluff'
def setUp(self):
super(ETreeNamespaceClassesTestCase, self).setUp()
lookup = etree.ElementNamespaceClassLookup()
self.Namespace = lookup.get_namespace
parser = etree.XMLParser()
parser.set_element_class_lookup(lookup)
etree.set_default_parser(parser)
def tearDown(self):
etree.set_default_parser()
del self.Namespace
super(ETreeNamespaceClassesTestCase, self).tearDown()
def test_registry(self):
ns = self.Namespace('ns01')
ns['maeh'] = self.maeh_class
self.Namespace('ns01').clear()
self.Namespace('ns02').update({'maeh' : self.maeh_class})
self.Namespace('ns03').update({'bluff' : self.bluff_class}.items())
self.Namespace('ns02').clear()
self.Namespace('ns03').clear()
def test_ns_classes(self):
bluff_dict = {'bluff' : self.bluff_class}
maeh_dict = {'maeh' : self.maeh_class}
self.Namespace('ns10').update(bluff_dict)
tree = self.parse(_bytes('<bluff xmlns="ns10"><ns11:maeh xmlns:ns11="ns11"/></bluff>'))
el = tree.getroot()
self.assertTrue(isinstance(el, etree.ElementBase))
self.assertTrue(hasattr(el, 'bluff'))
self.assertFalse(hasattr(el[0], 'maeh'))
self.assertFalse(hasattr(el[0], 'bluff'))
self.assertEqual(el.bluff(), 'bluff')
del el
self.Namespace('ns11').update(maeh_dict)
el = tree.getroot()
self.assertTrue(hasattr(el, 'bluff'))
self.assertTrue(hasattr(el[0], 'maeh'))
self.assertEqual(el.bluff(), 'bluff')
self.assertEqual(el[0].maeh(), 'maeh')
del el
self.Namespace('ns10').clear()
tree = self.parse(_bytes('<bluff xmlns="ns10"><ns11:maeh xmlns:ns11="ns11"/></bluff>'))
el = tree.getroot()
self.assertFalse(hasattr(el, 'bluff'))
self.assertFalse(hasattr(el, 'maeh'))
self.assertFalse(hasattr(el[0], 'bluff'))
self.assertTrue(hasattr(el[0], 'maeh'))
self.Namespace('ns11').clear()
def test_default_tagname(self):
bluff_dict = {
None : self.bluff_class,
'maeh' : self.maeh_class
}
ns = self.Namespace("uri:nsDefClass")
ns.update(bluff_dict)
tree = self.parse(_bytes('''
<test xmlns="bla" xmlns:ns1="uri:nsDefClass" xmlns:ns2="uri:nsDefClass">
<ns2:el1/><ns1:el2/><ns1:maeh/><ns2:maeh/><maeh/>
</test>
'''))
el = tree.getroot()
self.assertFalse(isinstance(el, etree.ElementBase))
for child in el[:-1]:
self.assertTrue(isinstance(child, etree.ElementBase), child.tag)
self.assertFalse(isinstance(el[-1], etree.ElementBase))
self.assertTrue(hasattr(el[0], 'bluff'))
self.assertTrue(hasattr(el[1], 'bluff'))
self.assertTrue(hasattr(el[2], 'maeh'))
self.assertTrue(hasattr(el[3], 'maeh'))
self.assertFalse(hasattr(el[4], 'maeh'))
del el
ns.clear()
def test_create_element(self):
bluff_dict = {'bluff' : self.bluff_class}
self.Namespace('ns20').update(bluff_dict)
maeh_dict = {'maeh' : self.maeh_class}
self.Namespace('ns21').update(maeh_dict)
el = etree.Element("{ns20}bluff")
self.assertTrue(hasattr(el, 'bluff'))
child = etree.SubElement(el, "{ns21}maeh")
self.assertTrue(hasattr(child, 'maeh'))
child = etree.SubElement(el, "{ns20}bluff")
self.assertTrue(hasattr(child, 'bluff'))
child = etree.SubElement(el, "{ns21}bluff")
self.assertFalse(hasattr(child, 'bluff'))
self.assertFalse(hasattr(child, 'maeh'))
self.assertTrue(hasattr(el[0], 'maeh'))
self.assertTrue(hasattr(el[1], 'bluff'))
self.assertFalse(hasattr(el[2], 'bluff'))
self.assertFalse(hasattr(el[2], 'maeh'))
self.assertEqual(el.bluff(), 'bluff')
self.assertEqual(el[0].maeh(), 'maeh')
self.assertEqual(el[1].bluff(), 'bluff')
self.Namespace('ns20').clear()
self.Namespace('ns21').clear()
def test_create_element_default(self):
bluff_dict = {None : self.bluff_class}
self.Namespace('ns30').update(bluff_dict)
maeh_dict = {'maeh' : self.maeh_class}
self.Namespace(None).update(maeh_dict)
el = etree.Element("{ns30}bluff")
etree.SubElement(el, "maeh")
self.assertTrue(hasattr(el, 'bluff'))
self.assertTrue(hasattr(el[0], 'maeh'))
self.assertEqual(el.bluff(), 'bluff')
self.assertEqual(el[0].maeh(), 'maeh')
self.Namespace(None).clear()
self.Namespace('ns30').clear()
def test_element_creation(self):
default, bluff, maeh = (
self.default_class, self.bluff_class, self.maeh_class)
class honk(etree.ElementBase):
TAG = 'HONK'
NAMESPACE = 'http://a.b/c'
el = default(
"test",
"text",
bluff(honk, "TaIL", maeh),
maeh("TeXT", bluff, honk(), "TAiL"),
"Tail")
self.assertEqual('default_class', el.tag)
self.assertEqual('testtext', el.text)
self.assertEqual(None, el.tail)
self.assertEqual(2, len(el))
self.assertEqual(7, len(list(el.iter())))
self.assertEqual('bluff_class', el[0].tag)
self.assertEqual('TaIL', el[0][0].tail)
self.assertEqual('TaIL', ''.join(el[0].itertext()))
self.assertEqual('{http://a.b/c}HONK',
el[0][0].tag)
self.assertEqual('maeh_class',
el[0][1].tag)
self.assertEqual('maeh_class', el[1].tag)
self.assertEqual('TeXT', el[1].text)
self.assertEqual('bluff_class', el[1][0].tag)
self.assertEqual('{http://a.b/c}HONK', el[1][1].tag)
self.assertEqual('TAiL', el[1][1].tail)
self.assertEqual('TeXTTAiL',
''.join(el[1].itertext()))
self.assertEqual('Tail', el[1].tail)
self.assertEqual('TAiL', el[1][1].tail)
self.assertEqual('bluff_class', el[1][0].tag)
self.assertEqual('{http://a.b/c}HONK', el[1][1].tag)
def test_suite():
suite = unittest.TestSuite()
suite.addTests([unittest.makeSuite(ETreeNamespaceClassesTestCase)])
suite.addTests(
[make_doctest('../../../doc/element_classes.txt')])
return suite
if __name__ == '__main__':
print('to test use test.py %s' % __file__)