64 lines
2.1 KiB
Python
64 lines
2.1 KiB
Python
"""
|
|
Tests for the parts of jsonschema related to the :validator:`format` property.
|
|
|
|
"""
|
|
|
|
from jsonschema.tests.compat import mock, unittest
|
|
|
|
from jsonschema import FormatError, ValidationError, FormatChecker
|
|
from jsonschema.validators import Draft4Validator
|
|
|
|
|
|
class TestFormatChecker(unittest.TestCase):
|
|
def setUp(self):
|
|
self.fn = mock.Mock()
|
|
|
|
def test_it_can_validate_no_formats(self):
|
|
checker = FormatChecker(formats=())
|
|
self.assertFalse(checker.checkers)
|
|
|
|
def test_it_raises_a_key_error_for_unknown_formats(self):
|
|
with self.assertRaises(KeyError):
|
|
FormatChecker(formats=["o noes"])
|
|
|
|
def test_it_can_register_cls_checkers(self):
|
|
with mock.patch.dict(FormatChecker.checkers, clear=True):
|
|
FormatChecker.cls_checks("new")(self.fn)
|
|
self.assertEqual(FormatChecker.checkers, {"new" : (self.fn, ())})
|
|
|
|
def test_it_can_register_checkers(self):
|
|
checker = FormatChecker()
|
|
checker.checks("new")(self.fn)
|
|
self.assertEqual(
|
|
checker.checkers,
|
|
dict(FormatChecker.checkers, new=(self.fn, ()))
|
|
)
|
|
|
|
def test_it_catches_registered_errors(self):
|
|
checker = FormatChecker()
|
|
cause = self.fn.side_effect = ValueError()
|
|
|
|
checker.checks("foo", raises=ValueError)(self.fn)
|
|
|
|
with self.assertRaises(FormatError) as cm:
|
|
checker.check("bar", "foo")
|
|
|
|
self.assertIs(cm.exception.cause, cause)
|
|
self.assertIs(cm.exception.__cause__, cause)
|
|
|
|
# Unregistered errors should not be caught
|
|
self.fn.side_effect = AttributeError
|
|
with self.assertRaises(AttributeError):
|
|
checker.check("bar", "foo")
|
|
|
|
def test_format_error_causes_become_validation_error_causes(self):
|
|
checker = FormatChecker()
|
|
checker.checks("foo", raises=ValueError)(self.fn)
|
|
cause = self.fn.side_effect = ValueError()
|
|
validator = Draft4Validator({"format" : "foo"}, format_checker=checker)
|
|
|
|
with self.assertRaises(ValidationError) as cm:
|
|
validator.validate("bar")
|
|
|
|
self.assertIs(cm.exception.__cause__, cause)
|