def test_parse_error(self):
# test document that is loaded but can't be parsed as a schema
# valid xml non-schema doc
xmldoc = path.join(path.dirname(path.abspath(__file__)), 'fixtures', 'heaney653.xml')
# confirm an exception is raised
self.assertRaises(etree.XMLSchemaParseError, xmlmap.loadSchema, xmldoc)
# inspect the exception for expected detail in error messages
try:
xmlmap.loadSchema(xmldoc)
except etree.XMLSchemaParseError as parse_err:
self.assert_('Failed to parse schema %s' % xmldoc in str(parse_err),
'schema parse exception includes detail about schema document that failed')
self.assert_('not a schema document' in str(parse_err),
'schema parse exception includes detail about why parsing failed')
# schema that attempts to import something inaccessible
xsd = '''<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<xsd:import namespace="http://www.w3.org/1999/xlink"
schemaLocation="file://cant/catch/me/xlink.xsd"/>
<xsd:element name="a" type="xlink:simpleLink"/>
</xsd:schema>
'''
FILE = tempfile.NamedTemporaryFile(mode="w")
FILE.write(xsd)
FILE.flush()
# assert this causes the expected exception
self.assertRaises(etree.XMLSchemaParseError, xmlmap.loadSchema,
FILE.name)
# use try/except to inspect the error message
try:
xmlmap.loadSchema(FILE.name)
except etree.XMLSchemaParseError as parse_err:
self.assert_('Failed to parse' in str(parse_err),
'schema parse exception includes detail about what went wrong')
def test_load_after_parsestring(self):
# lxml 2.2.7 (used internally by xmlmap) has a bug that causes
# lxml.etree.parse() to fail after a call to
# lxml.etree.fromstring(). this causes the second call below to fail
# unless we work around that bug in xmlmap.
xmlmap.parseString('<foo/>') # has global side effects in lxml
xmlmap.loadSchema('http://www.w3.org/2001/xml.xsd') # fails
def test_ioerror(self):
# IO error - file path is wrong/incorrect OR network-based schema unavailable
self.assertRaises(IOError, xmlmap.loadSchema, '/bogus.xsd')
try:
xmlmap.loadSchema('/bogus.xsd')
except IOError as io_err:
self.assert_('bogus.xsd' in str(io_err),
'exception message indicates load error on specific document')
self.assertRaises(IOError, xmlmap.loadSchema, '/bogus.xsd', 'file://some/dir')
def test_load_schema(self):
schema = xmlmap.loadSchema('http://www.w3.org/2001/xml.xsd')
self.assert_(isinstance(schema, etree.XMLSchema),
'loadSchema should return an etree.XMLSchema object when successful')
