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from dataclasses import asdict
from unittest import TestCase, mock
from tests import fixtures_dir
from xsdata.codegen.parsers.dtd import DtdParser
from xsdata.exceptions import ParserError
from xsdata.models.dtd import (
DtdAttributeDefault,
DtdAttributeType,
DtdContentOccur,
DtdContentType,
DtdElementType,
)
from xsdata.models.enums import Namespace
class DtdParserTests(TestCase):
@classmethod
def parse(cls, file_name: str):
file_path = fixtures_dir.joinpath(file_name)
return DtdParser.parse(file_path.read_bytes(), str(file_path.resolve()))
@mock.patch("lxml.etree.DTD")
def test_parse_requires_lxml(self, mock_lxml):
mock_lxml.side_effect = ImportError()
with self.assertRaises(ParserError) as cm:
DtdParser.parse(b"", "/file/path/def.dtd")
self.assertEqual("DtdParser requires lxml to run.", str(cm.exception))
def test_build_element(self):
dtd = self.parse("dtd/complete_example.dtd")
self.assertEqual(8, len(dtd.elements))
element = dtd.elements[1]
self.assertEqual(4, len(element.attributes))
self.assertIsNotNone(element.content)
self.assertEqual(4, len(element.ns_map))
element.attributes = []
element.content = None
element.ns_map = {}
expected = {
"attributes": [],
"content": None,
"name": "Post",
"ns_map": {},
"prefix": None,
"type": DtdElementType.ELEMENT,
}
self.assertEqual(expected, asdict(dtd.elements[1]))
def test_build_content(self):
dtd = self.parse("dtd/complete_example.dtd")
post = next(el for el in dtd.elements if el.name == "Post")
actual = asdict(post.content)
expected = {
"left": {
"left": {
"left": None,
"name": "Origin",
"occur": DtdContentOccur.ONCE,
"right": None,
"type": DtdContentType.ELEMENT,
},
"name": None,
"occur": DtdContentOccur.MULT,
"right": {
"left": None,
"name": "Source",
"occur": DtdContentOccur.ONCE,
"right": None,
"type": DtdContentType.ELEMENT,
},
"type": DtdContentType.OR,
},
"name": None,
"occur": DtdContentOccur.ONCE,
"right": {
"left": {
"left": None,
"name": "Title",
"occur": DtdContentOccur.ONCE,
"right": None,
"type": DtdContentType.ELEMENT,
},
"name": None,
"occur": DtdContentOccur.ONCE,
"right": {
"left": {
"left": None,
"name": "Body",
"occur": DtdContentOccur.ONCE,
"right": None,
"type": DtdContentType.ELEMENT,
},
"name": None,
"occur": DtdContentOccur.ONCE,
"right": {
"left": None,
"name": "Tags",
"occur": DtdContentOccur.ONCE,
"right": None,
"type": DtdContentType.ELEMENT,
},
"type": DtdContentType.SEQ,
},
"type": DtdContentType.SEQ,
},
"type": DtdContentType.SEQ,
}
self.assertEqual(expected, actual)
def test_build_attribute(self):
dtd = self.parse("dtd/complete_example.dtd")
post = next(el for el in dtd.elements if el.name == "Post")
self.assertEqual(4, len(post.attributes))
# The order doesn't match the definition...
actual = {attr.name: asdict(attr) for attr in post.attributes}
expected = {
"author": {
"default": DtdAttributeDefault.REQUIRED,
"default_value": None,
"name": "author",
"prefix": None,
"type": DtdAttributeType.CDATA,
"values": [],
},
"created_at": {
"default": DtdAttributeDefault.REQUIRED,
"default_value": None,
"name": "created_at",
"prefix": None,
"type": DtdAttributeType.CDATA,
"values": [],
},
"lang": {
"default": DtdAttributeDefault.NONE,
"default_value": "en",
"name": "lang",
"prefix": "xml",
"type": DtdAttributeType.NMTOKEN,
"values": [],
},
"status": {
"default": DtdAttributeDefault.NONE,
"default_value": "draft",
"name": "status",
"prefix": None,
"type": DtdAttributeType.ENUMERATION,
"values": ["draft", "published"],
},
}
self.assertEqual(expected, actual)
def test_build_ns_map(self):
dtd = self.parse("dtd/complete_example.dtd")
expected = {ns.prefix: ns.uri for ns in Namespace.common()}
for element in dtd.elements:
self.assertEqual(expected, element.ns_map)
def test_with_prefix_namespace(self):
dtd = self.parse("dtd/prefix_namespace.dtd")
self.assertEqual(2, len(dtd.elements))
self.assertEqual("ns", dtd.elements[0].prefix)
self.assertEqual("ns", dtd.elements[1].prefix)
self.assertIn("ns", dtd.elements[0].ns_map)
self.assertEqual("http://www.example.com/", dtd.elements[0].ns_map["ns"])
self.assertNotIn("ns", dtd.elements[1].ns_map)
def test_with_default_namespace(self):
dtd = self.parse("dtd/default_namespace.dtd")
self.assertEqual(2, len(dtd.elements))
self.assertIsNone(dtd.elements[0].prefix)
self.assertIsNone(dtd.elements[1].prefix)
self.assertIn(None, dtd.elements[0].ns_map)
self.assertEqual("http://www.example.com/", dtd.elements[0].ns_map[None])
self.assertNotIn(None, dtd.elements[1].ns_map)
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