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Preview: test_format.py Size: 2.10 KB

//lib/python3.6/site-packages/jsonschema/tests/test_format.py

"""
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)

Name	Size	Perms	Modified	Actions
__pycache__ DIR	-	drwxr-xr-x	2025-03-30 04:21:30	Edit Download recursive recursive
compat.py	215 B	lrw-r--r--	2015-07-24 21:41:16	Edit Download recursive recursive
test_cli.py	4.26 KB	lrw-r--r--	2016-11-27 15:45:44	Edit Download recursive recursive
test_exceptions.py	13.51 KB	lrw-r--r--	2016-11-27 16:22:03	Edit Download recursive recursive
test_format.py	2.10 KB	lrw-r--r--	2016-11-27 15:49:54	Edit Download recursive recursive
test_jsonschema_test_suite.py	9.41 KB	lrw-r--r--	2019-11-24 18:37:38	Edit Download recursive recursive
test_validators.py	33.98 KB	lrw-r--r--	2017-01-26 18:18:56	Edit Download recursive recursive
__init__.py	0 B	lrw-r--r--	2015-07-24 21:41:16	Edit Download recursive recursive

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