433 lines
15 KiB
Python
433 lines
15 KiB
Python
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from contextlib import contextmanager
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from io import BytesIO
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from unittest import TestCase, mock
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import importlib.metadata
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import json
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import subprocess
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import sys
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import urllib.request
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import referencing.exceptions
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from jsonschema import FormatChecker, exceptions, protocols, validators
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class TestDeprecations(TestCase):
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def test_version(self):
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"""
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As of v4.0.0, __version__ is deprecated in favor of importlib.metadata.
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"""
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message = "Accessing jsonschema.__version__ is deprecated"
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with self.assertWarnsRegex(DeprecationWarning, message) as w:
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from jsonschema import __version__
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self.assertEqual(__version__, importlib.metadata.version("jsonschema"))
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self.assertEqual(w.filename, __file__)
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def test_validators_ErrorTree(self):
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"""
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As of v4.0.0, importing ErrorTree from jsonschema.validators is
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deprecated in favor of doing so from jsonschema.exceptions.
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"""
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message = "Importing ErrorTree from jsonschema.validators is "
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with self.assertWarnsRegex(DeprecationWarning, message) as w:
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from jsonschema.validators import ErrorTree
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self.assertEqual(ErrorTree, exceptions.ErrorTree)
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self.assertEqual(w.filename, __file__)
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def test_import_ErrorTree(self):
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"""
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As of v4.18.0, importing ErrorTree from the package root is
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deprecated in favor of doing so from jsonschema.exceptions.
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"""
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message = "Importing ErrorTree directly from the jsonschema package "
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with self.assertWarnsRegex(DeprecationWarning, message) as w:
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from jsonschema import ErrorTree
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self.assertEqual(ErrorTree, exceptions.ErrorTree)
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self.assertEqual(w.filename, __file__)
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def test_ErrorTree_setitem(self):
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"""
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As of v4.20.0, setting items on an ErrorTree is deprecated.
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"""
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e = exceptions.ValidationError("some error", path=["foo"])
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tree = exceptions.ErrorTree()
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subtree = exceptions.ErrorTree(errors=[e])
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message = "ErrorTree.__setitem__ is "
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with self.assertWarnsRegex(DeprecationWarning, message) as w:
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tree["foo"] = subtree
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self.assertEqual(tree["foo"], subtree)
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self.assertEqual(w.filename, __file__)
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def test_import_FormatError(self):
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"""
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As of v4.18.0, importing FormatError from the package root is
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deprecated in favor of doing so from jsonschema.exceptions.
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"""
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message = "Importing FormatError directly from the jsonschema package "
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with self.assertWarnsRegex(DeprecationWarning, message) as w:
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from jsonschema import FormatError
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self.assertEqual(FormatError, exceptions.FormatError)
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self.assertEqual(w.filename, __file__)
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def test_import_Validator(self):
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"""
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As of v4.19.0, importing Validator from the package root is
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deprecated in favor of doing so from jsonschema.protocols.
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"""
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message = "Importing Validator directly from the jsonschema package "
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with self.assertWarnsRegex(DeprecationWarning, message) as w:
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from jsonschema import Validator
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self.assertEqual(Validator, protocols.Validator)
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self.assertEqual(w.filename, __file__)
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def test_validators_validators(self):
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"""
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As of v4.0.0, accessing jsonschema.validators.validators is
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deprecated.
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"""
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message = "Accessing jsonschema.validators.validators is deprecated"
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with self.assertWarnsRegex(DeprecationWarning, message) as w:
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value = validators.validators
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self.assertEqual(value, validators._VALIDATORS)
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self.assertEqual(w.filename, __file__)
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def test_validators_meta_schemas(self):
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"""
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As of v4.0.0, accessing jsonschema.validators.meta_schemas is
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deprecated.
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"""
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message = "Accessing jsonschema.validators.meta_schemas is deprecated"
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with self.assertWarnsRegex(DeprecationWarning, message) as w:
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value = validators.meta_schemas
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self.assertEqual(value, validators._META_SCHEMAS)
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self.assertEqual(w.filename, __file__)
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def test_RefResolver_in_scope(self):
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"""
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As of v4.0.0, RefResolver.in_scope is deprecated.
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"""
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resolver = validators._RefResolver.from_schema({})
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message = "jsonschema.RefResolver.in_scope is deprecated "
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with self.assertWarnsRegex(DeprecationWarning, message) as w: # noqa: SIM117
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with resolver.in_scope("foo"):
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pass
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self.assertEqual(w.filename, __file__)
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def test_Validator_is_valid_two_arguments(self):
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"""
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As of v4.0.0, calling is_valid with two arguments (to provide a
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different schema) is deprecated.
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"""
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validator = validators.Draft7Validator({})
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message = "Passing a schema to Validator.is_valid is deprecated "
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with self.assertWarnsRegex(DeprecationWarning, message) as w:
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result = validator.is_valid("foo", {"type": "number"})
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self.assertFalse(result)
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self.assertEqual(w.filename, __file__)
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def test_Validator_iter_errors_two_arguments(self):
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"""
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As of v4.0.0, calling iter_errors with two arguments (to provide a
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different schema) is deprecated.
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"""
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validator = validators.Draft7Validator({})
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message = "Passing a schema to Validator.iter_errors is deprecated "
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with self.assertWarnsRegex(DeprecationWarning, message) as w:
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error, = validator.iter_errors("foo", {"type": "number"})
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self.assertEqual(error.validator, "type")
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self.assertEqual(w.filename, __file__)
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def test_Validator_resolver(self):
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"""
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As of v4.18.0, accessing Validator.resolver is deprecated.
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"""
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validator = validators.Draft7Validator({})
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message = "Accessing Draft7Validator.resolver is "
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with self.assertWarnsRegex(DeprecationWarning, message) as w:
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self.assertIsInstance(validator.resolver, validators._RefResolver)
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self.assertEqual(w.filename, __file__)
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def test_RefResolver(self):
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"""
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As of v4.18.0, RefResolver is fully deprecated.
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"""
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message = "jsonschema.RefResolver is deprecated"
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with self.assertWarnsRegex(DeprecationWarning, message) as w:
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from jsonschema import RefResolver
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self.assertEqual(w.filename, __file__)
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with self.assertWarnsRegex(DeprecationWarning, message) as w:
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from jsonschema.validators import RefResolver # noqa: F401
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self.assertEqual(w.filename, __file__)
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def test_RefResolutionError(self):
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"""
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As of v4.18.0, RefResolutionError is deprecated in favor of directly
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catching errors from the referencing library.
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"""
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message = "jsonschema.exceptions.RefResolutionError is deprecated"
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with self.assertWarnsRegex(DeprecationWarning, message) as w:
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from jsonschema import RefResolutionError
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self.assertEqual(RefResolutionError, exceptions._RefResolutionError)
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self.assertEqual(w.filename, __file__)
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with self.assertWarnsRegex(DeprecationWarning, message) as w:
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from jsonschema.exceptions import RefResolutionError
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self.assertEqual(RefResolutionError, exceptions._RefResolutionError)
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self.assertEqual(w.filename, __file__)
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def test_catching_Unresolvable_directly(self):
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"""
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This behavior is the intended behavior (i.e. it's not deprecated), but
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given we do "tricksy" things in the iterim to wrap exceptions in a
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multiple inheritance subclass, we need to be extra sure it works and
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stays working.
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"""
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validator = validators.Draft202012Validator({"$ref": "urn:nothing"})
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with self.assertRaises(referencing.exceptions.Unresolvable) as e:
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validator.validate(12)
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expected = referencing.exceptions.Unresolvable(ref="urn:nothing")
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self.assertEqual(
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(e.exception, str(e.exception)),
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(expected, "Unresolvable: urn:nothing"),
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)
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def test_catching_Unresolvable_via_RefResolutionError(self):
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"""
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Until RefResolutionError is removed, it is still possible to catch
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exceptions from reference resolution using it, even though they may
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have been raised by referencing.
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"""
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with self.assertWarns(DeprecationWarning):
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from jsonschema import RefResolutionError
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validator = validators.Draft202012Validator({"$ref": "urn:nothing"})
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with self.assertRaises(referencing.exceptions.Unresolvable) as u:
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validator.validate(12)
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with self.assertRaises(RefResolutionError) as e:
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validator.validate(12)
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self.assertEqual(
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(e.exception, str(e.exception)),
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(u.exception, "Unresolvable: urn:nothing"),
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)
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def test_WrappedReferencingError_hashability(self):
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"""
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Ensure the wrapped referencing errors are hashable when possible.
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"""
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with self.assertWarns(DeprecationWarning):
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from jsonschema import RefResolutionError
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validator = validators.Draft202012Validator({"$ref": "urn:nothing"})
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with self.assertRaises(referencing.exceptions.Unresolvable) as u:
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validator.validate(12)
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with self.assertRaises(RefResolutionError) as e:
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validator.validate(12)
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self.assertIn(e.exception, {u.exception})
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self.assertIn(u.exception, {e.exception})
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def test_Validator_subclassing(self):
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"""
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As of v4.12.0, subclassing a validator class produces an explicit
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deprecation warning.
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This was never intended to be public API (and some comments over the
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years in issues said so, but obviously that's not a great way to make
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sure it's followed).
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A future version will explicitly raise an error.
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"""
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message = "Subclassing validator classes is "
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with self.assertWarnsRegex(DeprecationWarning, message) as w:
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class Subclass(validators.Draft202012Validator):
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pass
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self.assertEqual(w.filename, __file__)
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with self.assertWarnsRegex(DeprecationWarning, message) as w:
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class AnotherSubclass(validators.create(meta_schema={})):
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pass
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def test_FormatChecker_cls_checks(self):
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"""
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As of v4.14.0, FormatChecker.cls_checks is deprecated without
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replacement.
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"""
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self.addCleanup(FormatChecker.checkers.pop, "boom", None)
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message = "FormatChecker.cls_checks "
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with self.assertWarnsRegex(DeprecationWarning, message) as w:
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FormatChecker.cls_checks("boom")
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self.assertEqual(w.filename, __file__)
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def test_draftN_format_checker(self):
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"""
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As of v4.16.0, accessing jsonschema.draftn_format_checker is deprecated
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in favor of Validator.FORMAT_CHECKER.
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"""
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message = "Accessing jsonschema.draft202012_format_checker is "
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with self.assertWarnsRegex(DeprecationWarning, message) as w:
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from jsonschema import draft202012_format_checker
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self.assertIs(
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draft202012_format_checker,
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validators.Draft202012Validator.FORMAT_CHECKER,
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)
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self.assertEqual(w.filename, __file__)
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message = "Accessing jsonschema.draft201909_format_checker is "
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with self.assertWarnsRegex(DeprecationWarning, message) as w:
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from jsonschema import draft201909_format_checker
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self.assertIs(
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draft201909_format_checker,
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validators.Draft201909Validator.FORMAT_CHECKER,
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)
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self.assertEqual(w.filename, __file__)
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message = "Accessing jsonschema.draft7_format_checker is "
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with self.assertWarnsRegex(DeprecationWarning, message) as w:
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from jsonschema import draft7_format_checker
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self.assertIs(
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draft7_format_checker,
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validators.Draft7Validator.FORMAT_CHECKER,
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)
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self.assertEqual(w.filename, __file__)
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message = "Accessing jsonschema.draft6_format_checker is "
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with self.assertWarnsRegex(DeprecationWarning, message) as w:
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from jsonschema import draft6_format_checker
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self.assertIs(
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draft6_format_checker,
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validators.Draft6Validator.FORMAT_CHECKER,
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)
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self.assertEqual(w.filename, __file__)
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message = "Accessing jsonschema.draft4_format_checker is "
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with self.assertWarnsRegex(DeprecationWarning, message) as w:
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from jsonschema import draft4_format_checker
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self.assertIs(
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draft4_format_checker,
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validators.Draft4Validator.FORMAT_CHECKER,
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)
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self.assertEqual(w.filename, __file__)
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message = "Accessing jsonschema.draft3_format_checker is "
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with self.assertWarnsRegex(DeprecationWarning, message) as w:
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from jsonschema import draft3_format_checker
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self.assertIs(
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draft3_format_checker,
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validators.Draft3Validator.FORMAT_CHECKER,
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)
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self.assertEqual(w.filename, __file__)
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with self.assertRaises(ImportError):
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from jsonschema import draft1234_format_checker # noqa: F401
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def test_import_cli(self):
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"""
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As of v4.17.0, importing jsonschema.cli is deprecated.
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"""
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message = "The jsonschema CLI is deprecated and will be removed "
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with self.assertWarnsRegex(DeprecationWarning, message) as w:
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import jsonschema.cli
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importlib.reload(jsonschema.cli)
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self.assertEqual(w.filename, importlib.__file__)
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def test_cli(self):
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"""
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As of v4.17.0, the jsonschema CLI is deprecated.
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"""
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process = subprocess.run(
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[sys.executable, "-m", "jsonschema"],
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capture_output=True,
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check=True,
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)
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self.assertIn(b"The jsonschema CLI is deprecated ", process.stderr)
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def test_automatic_remote_retrieval(self):
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"""
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Automatic retrieval of remote references is deprecated as of v4.18.0.
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"""
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ref = "http://bar#/$defs/baz"
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schema = {"$defs": {"baz": {"type": "integer"}}}
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if "requests" in sys.modules: # pragma: no cover
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self.addCleanup(
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sys.modules.__setitem__, "requests", sys.modules["requests"],
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)
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sys.modules["requests"] = None
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@contextmanager
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def fake_urlopen(request):
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self.assertIsInstance(request, urllib.request.Request)
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self.assertEqual(request.full_url, "http://bar")
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# Ha ha urllib.request.Request "normalizes" header names and
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# Request.get_header does not also normalize them...
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(header, value), = request.header_items()
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self.assertEqual(header.lower(), "user-agent")
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self.assertEqual(
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value, "python-jsonschema (deprecated $ref resolution)",
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)
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yield BytesIO(json.dumps(schema).encode("utf8"))
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validator = validators.Draft202012Validator({"$ref": ref})
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message = "Automatically retrieving remote references "
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patch = mock.patch.object(urllib.request, "urlopen", new=fake_urlopen)
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with patch, self.assertWarnsRegex(DeprecationWarning, message):
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self.assertEqual(
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(validator.is_valid({}), validator.is_valid(37)),
|
||
|
(False, True),
|
||
|
)
|