def test_get_namespace(self):
self.assertEqual(get_namespace(''), '')
self.assertEqual(get_namespace('local'), '')
self.assertEqual(get_namespace(XSD_ELEMENT), XSD_NAMESPACE)
self.assertEqual(get_namespace('{wrong'), '')
self.assertEqual(get_namespace(''), '')
self.assertEqual(get_namespace(None), '')
self.assertEqual(get_namespace('{}name'), '')
self.assertEqual(get_namespace('{ }name'), ' ')
self.assertEqual(get_namespace('{ ns }name'), ' ns ')
def retrieve_schema_source(self, source):
"""
Returns a schema source that can be used to create an XMLSchema instance.
:param source: A string or an ElementTree's Element.
:return: An schema source string, an ElementTree's Element or a full pathname.
"""
if is_etree_element(source):
if source.tag in (XSD_SCHEMA, 'schema'):
return source
elif get_namespace(source.tag):
raise XMLSchemaValueError("source %r namespace has to be empty." % source)
elif source.tag not in {'element', 'attribute', 'simpleType', 'complexType',
'group', 'attributeGroup', 'notation'}:
raise XMLSchemaValueError("% is not an XSD global definition/declaration." % source)
root = etree_element('schema', attrib={
'xmlns:ns': "ns",
'xmlns': "http://www.w3.org/2001/XMLSchema",
'targetNamespace': "ns",
'elementFormDefault': "qualified",
'version': self.schema_class.XSD_VERSION,
})
root.append(source)
return root
else:
source = source.strip()
if not source.startswith('<'):
return self.casepath(source)
else:
return self.SCHEMA_TEMPLATE.format(self.schema_class.XSD_VERSION, source)
def retrieve_schema_source(self, source):
"""
Returns a schema source that can be used to create an XMLSchema instance.
:param source: A string or an ElementTree's Element.
:return: An schema source string, an ElementTree's Element or a full pathname.
"""
if is_etree_element(source):
if source.tag in (XSD_SCHEMA, 'schema'):
return source
elif get_namespace(source.tag):
raise XMLSchemaValueError("source %r namespace has to be empty." % source)
elif source.tag not in {'element', 'attribute', 'simpleType', 'complexType',
'group', 'attributeGroup', 'notation'}:
raise XMLSchemaValueError("% is not an XSD global definition/declaration." % source)
root = etree_element('schema', attrib={
'xmlns:ns': "ns",
'xmlns': "http://www.w3.org/2001/XMLSchema",
'targetNamespace': "ns",
'elementFormDefault': "qualified",
'version': self.schema_class.XSD_VERSION,
})
root.append(source)
return root
else:
source = source.strip()
if not source.startswith('<'):
return self.casepath(source)
else:
return self.SCHEMA_TEMPLATE.format(self.schema_class.XSD_VERSION, source)
def test_get_namespace_function(self):
self.assertEqual(get_namespace(XSD_SIMPLE_TYPE), XSD_NAMESPACE)
self.assertEqual(get_namespace(''), '')
self.assertEqual(get_namespace(None), '')
def etree_elements_assert_equal(elem,
other,
strict=True,
skip_comments=True,
unordered=False):
"""
Tests the equality of two XML Element trees.
:param elem: the master Element tree, reference for namespace mapping.
:param other: the other Element tree that has to be compared.
:param strict: asserts strictly equality. `True` for default.
:param skip_comments: skip comments from comparison.
:param unordered: children may have different order.
:raise: an AssertionError containing information about first difference encountered.
"""
if unordered:
children = sorted(elem, key=lambda x: '' if callable(x.tag) else x.tag)
other_children = iter(
sorted(other, key=lambda x: '' if callable(x.tag) else x.tag))
else:
children = elem
other_children = iter(other)
namespace = ''
for e1 in children:
if skip_comments and callable(e1.tag):
continue
try:
while True:
e2 = next(other_children)
if not skip_comments or not callable(e2.tag):
break
except StopIteration:
raise AssertionError("Node %r has more children than %r" %
(elem, other))
if strict or e1 is elem:
if e1.tag != e2.tag:
raise AssertionError("%r != %r: tags differ" % (e1, e2))
else:
namespace = get_namespace(e1.tag) or namespace
if get_qname(namespace, e1.tag) != get_qname(namespace, e2.tag):
raise AssertionError("%r != %r: tags differ." % (e1, e2))
# Attributes
if e1.attrib != e2.attrib:
if strict:
msg = "{!r} != {!r}: attributes differ: {!r} != {!r}"
raise AssertionError(msg.format(e1, e2, e1.attrib, e2.attrib))
else:
msg = "%r != %r: attribute keys differ: %r != %r"
if sorted(e1.attrib.keys()) != sorted(e2.attrib.keys()):
raise AssertionError(
msg % (e1, e2, e1.attrib.keys(), e2.attrib.keys()))
for k in e1.attrib:
a1, a2 = e1.attrib[k].strip(), e2.attrib[k].strip()
if a1 != a2:
try:
if float(a1) != float(a2):
raise ValueError()
except (ValueError, TypeError):
msg = "%r != %r: attribute %r values differ: %r != %r"
raise AssertionError(msg %
(e1, e2, k, a1, a2)) from None
# Number of children
if skip_comments:
nc1 = len([c for c in e1 if not callable(c.tag)])
nc2 = len([c for c in e2 if not callable(c.tag)])
else:
nc1 = len(e1)
nc2 = len(e2)
if nc1 != nc2:
msg = "%r != %r: children number differ: %r != %r"
raise AssertionError(msg % (e1, e2, nc1, nc2))
# Text
if e1.text != e2.text:
message = "%r != %r: texts differ: %r != %r" % (e1, e2, e1.text,
e2.text)
if strict:
raise AssertionError(message)
elif e1.text is None:
if e2.text.strip():
raise AssertionError(message)
elif e2.text is None:
if e1.text.strip():
raise AssertionError(message)
elif _REGEX_SPACES.sub('', e1.text.strip()) != _REGEX_SPACES.sub(
'', e2.text.strip()):
text1 = e1.text.strip()
text2 = e2.text.strip()
if text1 == 'false':
if text2 != '0':
raise AssertionError(message)
elif text1 == 'true':
if text2 != '1':
raise AssertionError(message)
elif text2 == 'false':
if text1 != '0':
raise AssertionError(message)
elif text2 == 'true':
if text1 != '1':
raise AssertionError(message)
else:
try:
items1 = text1.split()
items2 = text2.split()
if len(items1) != len(items2):
raise ValueError()
if not all(
float(x1) == float(x2)
for x1, x2 in zip(items1, items2)):
raise ValueError()
except (AssertionError, ValueError, TypeError):
raise AssertionError(message) from None
# Tail
if e1.tail != e2.tail:
message = "%r != %r: tails differ: %r != %r" % (e1, e2, e1.tail,
e2.tail)
if strict:
raise AssertionError(message)
elif e1.tail is None:
if e2.tail.strip():
raise AssertionError(message)
elif e2.tail is None:
if e1.tail.strip():
raise AssertionError(message)
elif e1.tail.strip() != e2.tail.strip():
raise AssertionError(message)
etree_elements_assert_equal(e1, e2, strict, skip_comments, unordered)
try:
next(other_children)
except StopIteration:
pass
else:
raise AssertionError("Node %r has lesser children than %r." %
(elem, other))
def etree_elements_assert_equal(elem, other, strict=True, skip_comments=True):
"""
Tests the equality of two XML Element trees.
:param elem: the master Element tree, reference for namespace mapping.
:param other: the other Element tree that has to be compared.
:param strict: asserts strictly equality. `True` for default.
:param skip_comments: Skip comments for e
:raise: an AssertionError containing information about first difference encountered.
"""
_REGEX_SPACES = re.compile(r'\s+')
other_elements = iter(other.iter())
namespace = ''
for e1 in elem.iter():
if skip_comments and e1.tag is lxml_etree_comment:
continue
try:
e2 = next(other_elements)
except StopIteration:
assert False, "Second tree ends before the first: %r." % e1
if strict or e1 is elem:
assert e1.tag == e2.tag, "%r != %r: tags differ." % (e1, e2)
else:
namespace = get_namespace(e1.tag) or namespace
assert get_qname(namespace, e1.tag) == get_qname(
namespace, e1.tag), "%r != %r: tags differ." % (e1, e2)
# Attributes
if e1.attrib != e2.attrib:
if strict:
raise AssertionError("%r != %r: attribute differ: %r != %r." %
(e1, e2, e1.attrib, e2.attrib))
else:
assert e1.attrib.keys() == e2.attrib.keys(), \
"%r != %r: attribute keys differ: %r != %r." % (e1, e2, e1.attrib.keys(), e2.attrib.keys())
for k in e1.attrib:
a1, a2 = e1.attrib[k].strip(), e2.attrib[k].strip()
if a1 != a2:
try:
assert float(a1) == float(a2)
except (AssertionError, ValueError, TypeError):
raise AssertionError(
"%r != %r: attribute %r differ: %r != %r." %
(e1, e2, k, a1, a2))
# Number of children
if skip_comments:
nc1 = len([c for c in e1 if c.tag is not lxml_etree_comment])
nc2 = len([c for c in e2 if c.tag is not lxml_etree_comment])
else:
nc1 = len(e1)
nc2 = len(e2)
assert nc1 == nc2, "%r != %r: children number differ: %r != %r." % (
e1, e2, nc1, nc2)
# Text
if e1.text != e2.text:
message = "%r != %r: texts differ: %r != %r." % (e1, e2, e1.text,
e2.text)
if strict:
raise AssertionError(message)
elif e1.text is None:
assert not e2.text.strip(), message
elif e2.text is None:
assert not e1.text.strip(), message
elif _REGEX_SPACES.sub(e1.text.strip(), '') != _REGEX_SPACES.sub(
e2.text.strip(), ''):
try:
assert float(e1.text.strip()) == float(e2.text.strip())
except (AssertionError, ValueError, TypeError):
raise AssertionError(message)
# Tail
if e1.tail != e2.tail:
message = "%r != %r: tails differ: %r != %r." % (e1, e2, e1.tail,
e2.tail)
if strict:
raise AssertionError(message)
elif e1.tail is None:
assert not e2.tail.strip(), message
elif e2.text is None:
assert not e1.tail.strip(), message
else:
assert e1.tail.strip() == e2.tail.strip(), message
try:
e2 = next(other_elements)
except StopIteration:
pass
else:
assert False, "First tree ends before the second: %r." % e2
def test_get_namespace_function(self):
self.assertEqual(get_namespace(XSD_SIMPLE_TYPE), XSD_NAMESPACE)
self.assertEqual(get_namespace(''), '')
self.assertEqual(get_namespace(None), '')