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#!/usr/bin/env python
#
# Copyright (c), 2016-2020, SISSA (International School for Advanced Studies).
# All rights reserved.
# This file is distributed under the terms of the MIT License.
# See the file 'LICENSE' in the root directory of the present
# distribution, or http://opensource.org/licenses/MIT.
#
# @author Davide Brunato <brunato@sissa.it>
#
import io
import unittest
import copy
from textwrap import dedent
from xmlschema import XMLResource, XMLSchemaConverter
from xmlschema.locations import get_locations
from xmlschema.names import XSD_NAMESPACE, XSI_NAMESPACE
from xmlschema.namespaces import NamespaceMapper, NamespaceResourcesMap
class TestNamespaceMapper(unittest.TestCase):
@classmethod
def setUpClass(cls):
cls.xml_data = dedent("""\
<root xmlns="http://example.test/foo">
<elem1 xmlns="http://example.test/bar"/>
<bar:elem2 xmlns:bar="http://example.test/bar"/>
<elem3 xmlns="http://example.test/foo"/>
<foo:elem4 xmlns:foo="http://example.test/foo"/>
<foo:elem5 xmlns:foo="http://example.test/bar"/>
<foo:elem6 xmlns:foo="http://example.test/foo2"/>
<elem7 xmlns=""/>
</root>""")
def test_init(self):
namespaces = dict(xs=XSD_NAMESPACE, xsi=XSI_NAMESPACE)
mapper = NamespaceMapper(namespaces)
self.assertEqual(mapper, namespaces)
self.assertIsNot(namespaces, mapper.namespaces)
def test_dictionary_methods(self):
namespaces = dict(xs=XSD_NAMESPACE)
mapper = NamespaceMapper(namespaces)
mapper['xsi'] = XSI_NAMESPACE
self.assertEqual(mapper, dict(xs=XSD_NAMESPACE, xsi=XSI_NAMESPACE))
del mapper['xs']
self.assertEqual(len(mapper), 1)
self.assertEqual(mapper, dict(xsi=XSI_NAMESPACE))
mapper.clear()
self.assertEqual(mapper, {})
def test_strip_namespaces_and_process_namespaces_arguments(self):
namespaces = dict(xs=XSD_NAMESPACE, xsi=XSI_NAMESPACE)
mapper = NamespaceMapper(namespaces, strip_namespaces=False)
self.assertFalse(mapper.strip_namespaces)
self.assertTrue(mapper.process_namespaces)
self.assertTrue(mapper._use_namespaces)
self.assertEqual(mapper.map_qname('{%s}name' % XSD_NAMESPACE), 'xs:name')
self.assertEqual(mapper.map_qname('{unknown}name'), '{unknown}name')
mapper = NamespaceMapper(namespaces, strip_namespaces=True)
self.assertTrue(mapper.strip_namespaces)
self.assertTrue(mapper.process_namespaces)
self.assertFalse(mapper._use_namespaces)
self.assertEqual(mapper.map_qname('{%s}name' % XSD_NAMESPACE), 'name')
self.assertEqual(mapper.map_qname('{unknown}name'), 'name')
mapper = NamespaceMapper(namespaces, process_namespaces=True)
self.assertEqual(mapper.map_qname('{%s}name' % XSD_NAMESPACE), 'xs:name')
self.assertEqual(mapper.map_qname('{unknown}name'), '{unknown}name')
mapper = NamespaceMapper(namespaces, process_namespaces=False)
self.assertEqual(mapper.map_qname(f'{XSD_NAMESPACE}name'), f'{XSD_NAMESPACE}name')
self.assertEqual(mapper.map_qname('{unknown}name'), '{unknown}name')
mapper = NamespaceMapper(namespaces, process_namespaces=False, strip_namespaces=True)
self.assertEqual(mapper.map_qname('{%s}name' % XSD_NAMESPACE), 'name')
self.assertEqual(mapper.map_qname('{unknown}name'), 'name')
def test_xmlns_processing_argument_with_resource(self):
namespaces = dict(xs=XSD_NAMESPACE, xsi=XSI_NAMESPACE)
resource = XMLResource('<root/>')
kwargs = {
'namespaces': namespaces,
'source': resource,
}
mapper = NamespaceMapper(**kwargs)
self.assertEqual(mapper.xmlns_processing, 'stacked')
self.assertIsNotNone(mapper._xmlns_getter)
mapper = NamespaceMapper(namespaces)
self.assertEqual(mapper.xmlns_processing, 'none')
self.assertIsNone(mapper._xmlns_getter)
mapper = NamespaceMapper(xmlns_processing='collapsed', **kwargs)
self.assertEqual(mapper.xmlns_processing, 'collapsed')
self.assertIsNotNone(mapper._xmlns_getter)
mapper = NamespaceMapper(xmlns_processing='root-only', **kwargs)
self.assertEqual(mapper.xmlns_processing, 'root-only')
self.assertIsNotNone(mapper._xmlns_getter)
mapper = NamespaceMapper(xmlns_processing='none', **kwargs)
self.assertEqual(mapper.xmlns_processing, 'none')
self.assertIsNone(mapper._xmlns_getter)
def test_xmlns_processing_argument_with_data_source(self):
namespaces = dict(xs=XSD_NAMESPACE, xsi=XSI_NAMESPACE)
mapper = NamespaceMapper(namespaces, source=dict())
self.assertEqual(mapper.xmlns_processing, 'none')
self.assertIsNone(mapper._xmlns_getter)
mapper = NamespaceMapper(namespaces, xmlns_processing='collapsed', source=dict())
self.assertEqual(mapper.xmlns_processing, 'collapsed')
self.assertIsNotNone(mapper._xmlns_getter)
# None can be a valid decoded value in certain cases
mapper = NamespaceMapper(namespaces, xmlns_processing='collapsed', source=None)
self.assertEqual(mapper.xmlns_processing, 'collapsed')
self.assertIsNotNone(mapper._xmlns_getter)
def test_invalid_xmlns_processing_argument(self):
with self.assertRaises(ValueError):
NamespaceMapper(xmlns_processing='nothing')
with self.assertRaises(TypeError):
NamespaceMapper(xmlns_processing=False)
def test_source_argument(self):
resource = XMLResource('<root/>')
mapper = NamespaceMapper(source=resource)
self.assertIs(mapper.source, resource)
self.assertIsNotNone(mapper._xmlns_getter)
mapper = NamespaceMapper()
self.assertIsNone(mapper.source)
self.assertIsNone(mapper._xmlns_getter)
def test_get_xmlns_from_data(self):
self.assertIsNone(NamespaceMapper().get_xmlns_from_data({}))
def test_get_namespaces(self):
namespaces = dict(xs=XSD_NAMESPACE, xsi=XSI_NAMESPACE)
resource = XMLResource('<root xmlns="http://example.test/foo"/>')
data = {'@xmlns:xs': "http://example.test/foo", 'value': [1, 2]}
mapper = NamespaceMapper(namespaces)
self.assertEqual(mapper.get_namespaces(), {})
mapper = NamespaceMapper(namespaces)
self.assertEqual(mapper.get_namespaces(namespaces), namespaces)
mapper = NamespaceMapper(namespaces, xmlns_processing='stacked')
self.assertEqual(mapper.get_namespaces(), {})
mapper = NamespaceMapper(namespaces, xmlns_processing='stacked')
self.assertEqual(mapper.get_namespaces(namespaces), namespaces)
mapper = NamespaceMapper(namespaces, xmlns_processing='stacked', source=data)
self.assertEqual(mapper.get_namespaces(), {})
mapper = NamespaceMapper(namespaces, xmlns_processing='stacked', source=data)
self.assertEqual(mapper.get_namespaces(namespaces), namespaces)
mapper = NamespaceMapper(namespaces, xmlns_processing='stacked', source=resource)
self.assertEqual(mapper.get_namespaces(), {'': 'http://example.test/foo'})
mapper = NamespaceMapper(namespaces, xmlns_processing='stacked', source=resource)
self.assertEqual(mapper.get_namespaces(namespaces),
{**namespaces, **{'': 'http://example.test/foo'}})
mapper = XMLSchemaConverter(namespaces, xmlns_processing='stacked', source=data)
self.assertEqual(mapper.get_namespaces(), {'xs': 'http://example.test/foo'})
mapper = XMLSchemaConverter(namespaces, xmlns_processing='stacked', source=data)
self.assertEqual(mapper.get_namespaces(namespaces),
{**namespaces, **{'xs0': 'http://example.test/foo'}})
def test_copy(self):
namespaces = dict(xs=XSD_NAMESPACE, xsi=XSI_NAMESPACE)
mapper = NamespaceMapper(namespaces, strip_namespaces=True)
other = copy.copy(mapper)
self.assertIsNot(mapper.namespaces, other.namespaces)
self.assertDictEqual(mapper.namespaces, other.namespaces)
def test_default_namespace(self):
namespaces = dict(xs=XSD_NAMESPACE, xsi=XSI_NAMESPACE)
mapper = NamespaceMapper(namespaces)
self.assertIsNone(mapper.default_namespace)
mapper[''] = 'tns0'
self.assertEqual(mapper.default_namespace, 'tns0')
def test_map_qname(self):
namespaces = dict(xs=XSD_NAMESPACE, xsi=XSI_NAMESPACE)
mapper = NamespaceMapper(namespaces)
mapper[''] = XSD_NAMESPACE
self.assertEqual(mapper.map_qname(''), '')
self.assertEqual(mapper.map_qname('foo'), 'foo')
self.assertEqual(mapper.map_qname('{%s}element' % XSD_NAMESPACE), 'element')
mapper.pop('')
self.assertEqual(mapper.map_qname('{%s}element' % XSD_NAMESPACE), 'xs:element')
with self.assertRaises(ValueError) as ctx:
mapper.map_qname('{%selement' % XSD_NAMESPACE)
self.assertIn("invalid value", str(ctx.exception))
with self.assertRaises(ValueError) as ctx:
mapper.map_qname('{%s}element}' % XSD_NAMESPACE)
self.assertIn("invalid value", str(ctx.exception))
with self.assertRaises(TypeError) as ctx:
mapper.map_qname(None)
self.assertIn("must be a string-like object", str(ctx.exception))
with self.assertRaises(TypeError) as ctx:
mapper.map_qname(99)
self.assertIn("must be a string-like object", str(ctx.exception))
mapper = NamespaceMapper(namespaces, process_namespaces=False)
self.assertEqual(mapper.map_qname('bar'), 'bar')
self.assertEqual(mapper.map_qname('xs:bar'), 'xs:bar')
mapper = NamespaceMapper(namespaces, strip_namespaces=True)
self.assertEqual(mapper.map_qname('bar'), 'bar')
self.assertEqual(mapper.map_qname('xs:bar'), 'bar')
def test_unmap_qname(self):
namespaces = dict(xs=XSD_NAMESPACE, xsi=XSI_NAMESPACE)
mapper = NamespaceMapper(namespaces)
self.assertEqual(mapper.unmap_qname(''), '')
self.assertEqual(mapper.unmap_qname('xs:element'), '{%s}element' % XSD_NAMESPACE)
self.assertEqual(mapper.unmap_qname('{foo}bar'), '{foo}bar')
self.assertEqual(mapper.unmap_qname('xsd:element'), 'xsd:element')
with self.assertRaises(ValueError) as ctx:
mapper.unmap_qname('xs::element')
self.assertIn("invalid value", str(ctx.exception))
with self.assertRaises(TypeError) as ctx:
mapper.unmap_qname(None)
self.assertIn("must be a string-like object", str(ctx.exception))
with self.assertRaises(TypeError) as ctx:
mapper.unmap_qname(99)
self.assertIn("must be a string-like object", str(ctx.exception))
self.assertEqual(mapper.unmap_qname('element'), 'element')
mapper[''] = 'foo'
self.assertEqual(mapper.unmap_qname('element'), '{foo}element')
self.assertEqual(mapper.unmap_qname('element', name_table=['element']), 'element')
mapper.strip_namespaces = True # don't do tricks, create a new instance ...
self.assertEqual(mapper.unmap_qname('element'), '{foo}element')
mapper = NamespaceMapper(namespaces, process_namespaces=False)
self.assertEqual(mapper.unmap_qname('bar'), 'bar')
self.assertEqual(mapper.unmap_qname('xs:bar'), 'xs:bar')
mapper = NamespaceMapper(namespaces, strip_namespaces=True)
self.assertEqual(mapper.unmap_qname('bar'), 'bar')
self.assertEqual(mapper.unmap_qname('xs:bar'), 'bar')
mapper = NamespaceMapper(namespaces)
self.assertEqual(mapper.unmap_qname('foo:bar'), 'foo:bar')
xmlns = [('foo', 'http://example.com/foo')]
self.assertEqual(
mapper.unmap_qname('foo:bar', xmlns=xmlns),
'{http://example.com/foo}bar'
)
def test_set_context_with_stacked_xmlns_processing(self):
resource = XMLResource(io.StringIO(self.xml_data))
mapper = NamespaceMapper(source=resource)
self.assertEqual(mapper.xmlns_processing, 'stacked')
self.assertEqual(len(mapper._contexts), 0)
xmlns = mapper.set_context(resource.root, 0)
self.assertEqual(len(mapper._contexts), 1)
self.assertIs(mapper._contexts[-1].obj, resource.root)
self.assertEqual(mapper._contexts[-1].level, 0)
self.assertIs(mapper._contexts[-1].xmlns, xmlns)
self.assertEqual(mapper._contexts[-1].namespaces,
{'': 'http://example.test/foo'})
self.assertEqual(mapper._contexts[-1].reverse,
{'http://example.test/foo': ''})
self.assertListEqual(xmlns, [('', 'http://example.test/foo')])
xmlns = mapper.set_context(resource.root, 0)
self.assertEqual(len(mapper._contexts), 1)
self.assertIs(mapper._contexts[-1].obj, resource.root)
self.assertListEqual(xmlns, [('', 'http://example.test/foo')])
mapper.set_context(resource.root[0], 1)
self.assertEqual(len(mapper._contexts), 2)
self.assertIs(mapper._contexts[-1].obj, resource.root[0])
mapper.set_context(resource.root[1], 1)
self.assertEqual(len(mapper._contexts), 2)
self.assertIs(mapper._contexts[-1].obj, resource.root[1])
resource = XMLResource('<root/>')
mapper = NamespaceMapper(source=resource)
self.assertEqual(mapper.xmlns_processing, 'stacked')
self.assertEqual(len(mapper._contexts), 0)
xmlns = mapper.set_context(resource.root, 0)
self.assertEqual(len(mapper._contexts), 0)
self.assertIsNone(xmlns)
def test_set_context_with_collapsed_xmlns_processing(self):
resource = XMLResource(io.StringIO(self.xml_data))
mapper = NamespaceMapper(source=resource, xmlns_processing='collapsed')
self.assertEqual(mapper.xmlns_processing, 'collapsed')
xmlns = mapper.set_context(resource.root, 0)
self.assertEqual(len(mapper._contexts), 0)
self.assertIsNone(xmlns)
self.assertEqual(mapper.namespaces, {'': 'http://example.test/foo'})
mapper.set_context(resource.root[0], 1)
self.assertEqual(mapper.namespaces,
{'': 'http://example.test/foo',
'default': 'http://example.test/bar'})
mapper.set_context(resource.root[1], 1)
self.assertEqual(mapper.namespaces,
{'': 'http://example.test/foo',
'default': 'http://example.test/bar',
'bar': 'http://example.test/bar'})
mapper.set_context(resource.root[2], 1)
self.assertEqual(mapper.namespaces,
{'': 'http://example.test/foo',
'default': 'http://example.test/bar',
'bar': 'http://example.test/bar'})
mapper.set_context(resource.root[3], 1)
self.assertEqual(mapper.namespaces,
{'': 'http://example.test/foo',
'default': 'http://example.test/bar',
'bar': 'http://example.test/bar',
'foo': 'http://example.test/foo'})
mapper.set_context(resource.root[4], 1)
self.assertEqual(mapper.namespaces,
{'': 'http://example.test/foo',
'default': 'http://example.test/bar',
'bar': 'http://example.test/bar',
'foo': 'http://example.test/foo',
'foo0': 'http://example.test/bar'})
mapper.set_context(resource.root[4], 1)
self.assertEqual(mapper.namespaces,
{'': 'http://example.test/foo',
'default': 'http://example.test/bar',
'bar': 'http://example.test/bar',
'foo': 'http://example.test/foo',
'foo0': 'http://example.test/bar'})
mapper.set_context(resource.root[5], 1)
self.assertEqual(mapper.namespaces,
{'': 'http://example.test/foo',
'default': 'http://example.test/bar',
'bar': 'http://example.test/bar',
'foo': 'http://example.test/foo',
'foo0': 'http://example.test/bar',
'foo1': 'http://example.test/foo2'})
mapper.set_context(resource.root[6], 1)
self.assertEqual(mapper.namespaces,
{'': 'http://example.test/foo',
'default': 'http://example.test/bar',
'bar': 'http://example.test/bar',
'foo': 'http://example.test/foo',
'foo0': 'http://example.test/bar',
'foo1': 'http://example.test/foo2'})
# With default namespaces in non-root elements
xml_data = dedent("""\
<foo:root xmlns:foo="http://example.test/foo">
<elem1 xmlns="http://example.test/bar"/>
<elem2 xmlns="http://example.test/foo"/>
</foo:root>""")
resource = XMLResource(io.StringIO(xml_data))
mapper = NamespaceMapper(source=resource, xmlns_processing='collapsed')
mapper.set_context(resource.root[0], 1)
self.assertEqual(mapper.namespaces,
{'foo': 'http://example.test/foo',
'default': 'http://example.test/bar'})
mapper = NamespaceMapper(source=resource, xmlns_processing='collapsed')
mapper.set_context(resource.root[0], 0)
self.assertEqual(mapper.namespaces,
{'foo': 'http://example.test/foo',
'': 'http://example.test/bar'})
mapper = NamespaceMapper(source=resource, xmlns_processing='collapsed')
mapper.set_context(resource.root[1], 0)
self.assertEqual(mapper.namespaces,
{'foo': 'http://example.test/foo',
'': 'http://example.test/foo'})
def test_set_context_with_root_only_xmlns_processing(self):
resource = XMLResource(io.StringIO(self.xml_data))
mapper = NamespaceMapper(source=resource, xmlns_processing='root-only')
self.assertEqual(mapper.xmlns_processing, 'root-only')
xmlns = mapper.set_context(resource.root, 0)
self.assertEqual(len(mapper._contexts), 0)
self.assertIsNone(xmlns)
self.assertEqual(mapper.namespaces, {'': 'http://example.test/foo'})
mapper.set_context(resource.root[0], 1)
self.assertEqual(mapper.namespaces, {'': 'http://example.test/foo'})
def test_set_context_with_none_xmlns_processing(self):
resource = XMLResource(io.StringIO(self.xml_data))
namespaces = {'foo': 'http://example.test/foo'}
mapper = NamespaceMapper(source=resource, xmlns_processing='none')
self.assertEqual(mapper.xmlns_processing, 'none')
xmlns = mapper.set_context(resource.root, 0)
self.assertEqual(len(mapper._contexts), 0)
self.assertIsNone(xmlns)
self.assertEqual(mapper.namespaces, {})
mapper = NamespaceMapper(namespaces, source=resource, xmlns_processing='none')
xmlns = mapper.set_context(resource.root, 0)
self.assertEqual(mapper.namespaces, namespaces)
self.assertIsNone(xmlns)
def test_set_context_with_encoding(self):
mapper = NamespaceMapper()
obj = {'@xmlns:foo': 'http://example.test/foo'}
xmlns = mapper.set_context(obj, level=0)
self.assertEqual(len(mapper._contexts), 0)
self.assertIsNone(xmlns)
class TestNamespaceResourcesMap(unittest.TestCase):
def test_init(self):
nsmap = [('tns0', 'schema1.xsd')]
self.assertEqual(NamespaceResourcesMap(), {})
self.assertEqual(NamespaceResourcesMap(nsmap), {'tns0': ['schema1.xsd']})
nsmap.append(('tns0', 'schema2.xsd'))
self.assertEqual(NamespaceResourcesMap(nsmap), {'tns0': ['schema1.xsd', 'schema2.xsd']})
def test_repr(self):
namespaces = NamespaceResourcesMap()
namespaces['tns0'] = 'schema1.xsd'
namespaces['tns1'] = 'schema2.xsd'
self.assertEqual(repr(namespaces), "{'tns0': ['schema1.xsd'], 'tns1': ['schema2.xsd']}")
def test_dictionary_methods(self):
namespaces = NamespaceResourcesMap()
namespaces['tns0'] = 'schema1.xsd'
namespaces['tns1'] = 'schema2.xsd'
self.assertEqual(namespaces, {'tns0': ['schema1.xsd'], 'tns1': ['schema2.xsd']})
self.assertEqual(len(namespaces), 2)
self.assertEqual({x for x in namespaces}, {'tns0', 'tns1'})
del namespaces['tns0']
self.assertEqual(namespaces, {'tns1': ['schema2.xsd']})
self.assertEqual(len(namespaces), 1)
namespaces.clear()
self.assertEqual(namespaces, {})
def test_copy(self):
namespaces = NamespaceResourcesMap(
(('tns0', 'schema1.xsd'), ('tns1', 'schema2.xsd'), ('tns0', 'schema3.xsd'))
)
self.assertEqual(namespaces, namespaces.copy())
def test_get_locations(self):
self.assertEqual(get_locations(None), NamespaceResourcesMap())
self.assertRaises(TypeError, get_locations, 1)
locations = (('tns0', 'schema1.xsd'), ('tns1', 'schema2.xsd'), ('tns0', 'schema3.xsd'))
self.assertEqual(get_locations(locations), NamespaceResourcesMap(locations))
if __name__ == '__main__':
from xmlschema.testing import run_xmlschema_tests
run_xmlschema_tests('helpers for namespaces')
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