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Diffstat (limited to '.venv/lib/python3.12/site-packages/jsonschema/tests/test_validators.py')
| -rw-r--r-- | .venv/lib/python3.12/site-packages/jsonschema/tests/test_validators.py | 2575 |
1 files changed, 2575 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/jsonschema/tests/test_validators.py b/.venv/lib/python3.12/site-packages/jsonschema/tests/test_validators.py new file mode 100644 index 00000000..28cc4027 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/jsonschema/tests/test_validators.py @@ -0,0 +1,2575 @@ +from __future__ import annotations + +from collections import deque, namedtuple +from contextlib import contextmanager +from decimal import Decimal +from io import BytesIO +from typing import Any +from unittest import TestCase, mock +from urllib.request import pathname2url +import json +import os +import sys +import tempfile +import warnings + +from attrs import define, field +from referencing.jsonschema import DRAFT202012 +import referencing.exceptions + +from jsonschema import ( + FormatChecker, + TypeChecker, + exceptions, + protocols, + validators, +) + + +def fail(validator, errors, instance, schema): + for each in errors: + each.setdefault("message", "You told me to fail!") + yield exceptions.ValidationError(**each) + + +class TestCreateAndExtend(TestCase): + def setUp(self): + self.addCleanup( + self.assertEqual, + validators._META_SCHEMAS, + dict(validators._META_SCHEMAS), + ) + self.addCleanup( + self.assertEqual, + validators._VALIDATORS, + dict(validators._VALIDATORS), + ) + + self.meta_schema = {"$id": "some://meta/schema"} + self.validators = {"fail": fail} + self.type_checker = TypeChecker() + self.Validator = validators.create( + meta_schema=self.meta_schema, + validators=self.validators, + type_checker=self.type_checker, + ) + + def test_attrs(self): + self.assertEqual( + ( + self.Validator.VALIDATORS, + self.Validator.META_SCHEMA, + self.Validator.TYPE_CHECKER, + ), ( + self.validators, + self.meta_schema, + self.type_checker, + ), + ) + + def test_init(self): + schema = {"fail": []} + self.assertEqual(self.Validator(schema).schema, schema) + + def test_iter_errors_successful(self): + schema = {"fail": []} + validator = self.Validator(schema) + + errors = list(validator.iter_errors("hello")) + self.assertEqual(errors, []) + + def test_iter_errors_one_error(self): + schema = {"fail": [{"message": "Whoops!"}]} + validator = self.Validator(schema) + + expected_error = exceptions.ValidationError( + "Whoops!", + instance="goodbye", + schema=schema, + validator="fail", + validator_value=[{"message": "Whoops!"}], + schema_path=deque(["fail"]), + ) + + errors = list(validator.iter_errors("goodbye")) + self.assertEqual(len(errors), 1) + self.assertEqual(errors[0]._contents(), expected_error._contents()) + + def test_iter_errors_multiple_errors(self): + schema = { + "fail": [ + {"message": "First"}, + {"message": "Second!", "validator": "asdf"}, + {"message": "Third"}, + ], + } + validator = self.Validator(schema) + + errors = list(validator.iter_errors("goodbye")) + self.assertEqual(len(errors), 3) + + def test_if_a_version_is_provided_it_is_registered(self): + Validator = validators.create( + meta_schema={"$id": "something"}, + version="my version", + ) + self.addCleanup(validators._META_SCHEMAS.pop, "something") + self.addCleanup(validators._VALIDATORS.pop, "my version") + self.assertEqual(Validator.__name__, "MyVersionValidator") + self.assertEqual(Validator.__qualname__, "MyVersionValidator") + + def test_repr(self): + Validator = validators.create( + meta_schema={"$id": "something"}, + version="my version", + ) + self.addCleanup(validators._META_SCHEMAS.pop, "something") + self.addCleanup(validators._VALIDATORS.pop, "my version") + self.assertEqual( + repr(Validator({})), + "MyVersionValidator(schema={}, format_checker=None)", + ) + + def test_long_repr(self): + Validator = validators.create( + meta_schema={"$id": "something"}, + version="my version", + ) + self.addCleanup(validators._META_SCHEMAS.pop, "something") + self.addCleanup(validators._VALIDATORS.pop, "my version") + self.assertEqual( + repr(Validator({"a": list(range(1000))})), ( + "MyVersionValidator(schema={'a': [0, 1, 2, 3, 4, 5, ...]}, " + "format_checker=None)" + ), + ) + + def test_repr_no_version(self): + Validator = validators.create(meta_schema={}) + self.assertEqual( + repr(Validator({})), + "Validator(schema={}, format_checker=None)", + ) + + def test_dashes_are_stripped_from_validator_names(self): + Validator = validators.create( + meta_schema={"$id": "something"}, + version="foo-bar", + ) + self.addCleanup(validators._META_SCHEMAS.pop, "something") + self.addCleanup(validators._VALIDATORS.pop, "foo-bar") + self.assertEqual(Validator.__qualname__, "FooBarValidator") + + def test_if_a_version_is_not_provided_it_is_not_registered(self): + original = dict(validators._META_SCHEMAS) + validators.create(meta_schema={"id": "id"}) + self.assertEqual(validators._META_SCHEMAS, original) + + def test_validates_registers_meta_schema_id(self): + meta_schema_key = "meta schema id" + my_meta_schema = {"id": meta_schema_key} + + validators.create( + meta_schema=my_meta_schema, + version="my version", + id_of=lambda s: s.get("id", ""), + ) + self.addCleanup(validators._META_SCHEMAS.pop, meta_schema_key) + self.addCleanup(validators._VALIDATORS.pop, "my version") + + self.assertIn(meta_schema_key, validators._META_SCHEMAS) + + def test_validates_registers_meta_schema_draft6_id(self): + meta_schema_key = "meta schema $id" + my_meta_schema = {"$id": meta_schema_key} + + validators.create( + meta_schema=my_meta_schema, + version="my version", + ) + self.addCleanup(validators._META_SCHEMAS.pop, meta_schema_key) + self.addCleanup(validators._VALIDATORS.pop, "my version") + + self.assertIn(meta_schema_key, validators._META_SCHEMAS) + + def test_create_default_types(self): + Validator = validators.create(meta_schema={}, validators=()) + self.assertTrue( + all( + Validator({}).is_type(instance=instance, type=type) + for type, instance in [ + ("array", []), + ("boolean", True), + ("integer", 12), + ("null", None), + ("number", 12.0), + ("object", {}), + ("string", "foo"), + ] + ), + ) + + def test_check_schema_with_different_metaschema(self): + """ + One can create a validator class whose metaschema uses a different + dialect than itself. + """ + + NoEmptySchemasValidator = validators.create( + meta_schema={ + "$schema": validators.Draft202012Validator.META_SCHEMA["$id"], + "not": {"const": {}}, + }, + ) + NoEmptySchemasValidator.check_schema({"foo": "bar"}) + + with self.assertRaises(exceptions.SchemaError): + NoEmptySchemasValidator.check_schema({}) + + NoEmptySchemasValidator({"foo": "bar"}).validate("foo") + + def test_check_schema_with_different_metaschema_defaults_to_self(self): + """ + A validator whose metaschema doesn't declare $schema defaults to its + own validation behavior, not the latest "normal" specification. + """ + + NoEmptySchemasValidator = validators.create( + meta_schema={"fail": [{"message": "Meta schema whoops!"}]}, + validators={"fail": fail}, + ) + with self.assertRaises(exceptions.SchemaError): + NoEmptySchemasValidator.check_schema({}) + + def test_extend(self): + original = dict(self.Validator.VALIDATORS) + new = object() + + Extended = validators.extend( + self.Validator, + validators={"new": new}, + ) + self.assertEqual( + ( + Extended.VALIDATORS, + Extended.META_SCHEMA, + Extended.TYPE_CHECKER, + self.Validator.VALIDATORS, + ), ( + dict(original, new=new), + self.Validator.META_SCHEMA, + self.Validator.TYPE_CHECKER, + original, + ), + ) + + def test_extend_idof(self): + """ + Extending a validator preserves its notion of schema IDs. + """ + def id_of(schema): + return schema.get("__test__", self.Validator.ID_OF(schema)) + correct_id = "the://correct/id/" + meta_schema = { + "$id": "the://wrong/id/", + "__test__": correct_id, + } + Original = validators.create( + meta_schema=meta_schema, + validators=self.validators, + type_checker=self.type_checker, + id_of=id_of, + ) + self.assertEqual(Original.ID_OF(Original.META_SCHEMA), correct_id) + + Derived = validators.extend(Original) + self.assertEqual(Derived.ID_OF(Derived.META_SCHEMA), correct_id) + + def test_extend_applicable_validators(self): + """ + Extending a validator preserves its notion of applicable validators. + """ + + schema = { + "$defs": {"test": {"type": "number"}}, + "$ref": "#/$defs/test", + "maximum": 1, + } + + draft4 = validators.Draft4Validator(schema) + self.assertTrue(draft4.is_valid(37)) # as $ref ignores siblings + + Derived = validators.extend(validators.Draft4Validator) + self.assertTrue(Derived(schema).is_valid(37)) + + +class TestValidationErrorMessages(TestCase): + def message_for(self, instance, schema, *args, **kwargs): + cls = kwargs.pop("cls", validators._LATEST_VERSION) + cls.check_schema(schema) + validator = cls(schema, *args, **kwargs) + errors = list(validator.iter_errors(instance)) + self.assertTrue(errors, msg=f"No errors were raised for {instance!r}") + self.assertEqual( + len(errors), + 1, + msg=f"Expected exactly one error, found {errors!r}", + ) + return errors[0].message + + def test_single_type_failure(self): + message = self.message_for(instance=1, schema={"type": "string"}) + self.assertEqual(message, "1 is not of type 'string'") + + def test_single_type_list_failure(self): + message = self.message_for(instance=1, schema={"type": ["string"]}) + self.assertEqual(message, "1 is not of type 'string'") + + def test_multiple_type_failure(self): + types = "string", "object" + message = self.message_for(instance=1, schema={"type": list(types)}) + self.assertEqual(message, "1 is not of type 'string', 'object'") + + def test_object_with_named_type_failure(self): + schema = {"type": [{"name": "Foo", "minimum": 3}]} + message = self.message_for( + instance=1, + schema=schema, + cls=validators.Draft3Validator, + ) + self.assertEqual(message, "1 is not of type 'Foo'") + + def test_minimum(self): + message = self.message_for(instance=1, schema={"minimum": 2}) + self.assertEqual(message, "1 is less than the minimum of 2") + + def test_maximum(self): + message = self.message_for(instance=1, schema={"maximum": 0}) + self.assertEqual(message, "1 is greater than the maximum of 0") + + def test_dependencies_single_element(self): + depend, on = "bar", "foo" + schema = {"dependencies": {depend: on}} + message = self.message_for( + instance={"bar": 2}, + schema=schema, + cls=validators.Draft3Validator, + ) + self.assertEqual(message, "'foo' is a dependency of 'bar'") + + def test_object_without_title_type_failure_draft3(self): + type = {"type": [{"minimum": 3}]} + message = self.message_for( + instance=1, + schema={"type": [type]}, + cls=validators.Draft3Validator, + ) + self.assertEqual( + message, + "1 is not of type {'type': [{'minimum': 3}]}", + ) + + def test_dependencies_list_draft3(self): + depend, on = "bar", "foo" + schema = {"dependencies": {depend: [on]}} + message = self.message_for( + instance={"bar": 2}, + schema=schema, + cls=validators.Draft3Validator, + ) + self.assertEqual(message, "'foo' is a dependency of 'bar'") + + def test_dependencies_list_draft7(self): + depend, on = "bar", "foo" + schema = {"dependencies": {depend: [on]}} + message = self.message_for( + instance={"bar": 2}, + schema=schema, + cls=validators.Draft7Validator, + ) + self.assertEqual(message, "'foo' is a dependency of 'bar'") + + def test_additionalItems_single_failure(self): + message = self.message_for( + instance=[2], + schema={"items": [], "additionalItems": False}, + cls=validators.Draft3Validator, + ) + self.assertIn("(2 was unexpected)", message) + + def test_additionalItems_multiple_failures(self): + message = self.message_for( + instance=[1, 2, 3], + schema={"items": [], "additionalItems": False}, + cls=validators.Draft3Validator, + ) + self.assertIn("(1, 2, 3 were unexpected)", message) + + def test_additionalProperties_single_failure(self): + additional = "foo" + schema = {"additionalProperties": False} + message = self.message_for(instance={additional: 2}, schema=schema) + self.assertIn("('foo' was unexpected)", message) + + def test_additionalProperties_multiple_failures(self): + schema = {"additionalProperties": False} + message = self.message_for( + instance=dict.fromkeys(["foo", "bar"]), + schema=schema, + ) + + self.assertIn(repr("foo"), message) + self.assertIn(repr("bar"), message) + self.assertIn("were unexpected)", message) + + def test_const(self): + schema = {"const": 12} + message = self.message_for( + instance={"foo": "bar"}, + schema=schema, + ) + self.assertIn("12 was expected", message) + + def test_contains_draft_6(self): + schema = {"contains": {"const": 12}} + message = self.message_for( + instance=[2, {}, []], + schema=schema, + cls=validators.Draft6Validator, + ) + self.assertEqual( + message, + "None of [2, {}, []] are valid under the given schema", + ) + + def test_invalid_format_default_message(self): + checker = FormatChecker(formats=()) + checker.checks("thing")(lambda value: False) + + schema = {"format": "thing"} + message = self.message_for( + instance="bla", + schema=schema, + format_checker=checker, + ) + + self.assertIn(repr("bla"), message) + self.assertIn(repr("thing"), message) + self.assertIn("is not a", message) + + def test_additionalProperties_false_patternProperties(self): + schema = {"type": "object", + "additionalProperties": False, + "patternProperties": { + "^abc$": {"type": "string"}, + "^def$": {"type": "string"}, + }} + message = self.message_for( + instance={"zebra": 123}, + schema=schema, + cls=validators.Draft4Validator, + ) + self.assertEqual( + message, + "{} does not match any of the regexes: {}, {}".format( + repr("zebra"), repr("^abc$"), repr("^def$"), + ), + ) + message = self.message_for( + instance={"zebra": 123, "fish": 456}, + schema=schema, + cls=validators.Draft4Validator, + ) + self.assertEqual( + message, + "{}, {} do not match any of the regexes: {}, {}".format( + repr("fish"), repr("zebra"), repr("^abc$"), repr("^def$"), + ), + ) + + def test_False_schema(self): + message = self.message_for( + instance="something", + schema=False, + ) + self.assertEqual(message, "False schema does not allow 'something'") + + def test_multipleOf(self): + message = self.message_for( + instance=3, + schema={"multipleOf": 2}, + ) + self.assertEqual(message, "3 is not a multiple of 2") + + def test_minItems(self): + message = self.message_for(instance=[], schema={"minItems": 2}) + self.assertEqual(message, "[] is too short") + + def test_maxItems(self): + message = self.message_for(instance=[1, 2, 3], schema={"maxItems": 2}) + self.assertEqual(message, "[1, 2, 3] is too long") + + def test_minItems_1(self): + message = self.message_for(instance=[], schema={"minItems": 1}) + self.assertEqual(message, "[] should be non-empty") + + def test_maxItems_0(self): + message = self.message_for(instance=[1, 2, 3], schema={"maxItems": 0}) + self.assertEqual(message, "[1, 2, 3] is expected to be empty") + + def test_minLength(self): + message = self.message_for( + instance="", + schema={"minLength": 2}, + ) + self.assertEqual(message, "'' is too short") + + def test_maxLength(self): + message = self.message_for( + instance="abc", + schema={"maxLength": 2}, + ) + self.assertEqual(message, "'abc' is too long") + + def test_minLength_1(self): + message = self.message_for(instance="", schema={"minLength": 1}) + self.assertEqual(message, "'' should be non-empty") + + def test_maxLength_0(self): + message = self.message_for(instance="abc", schema={"maxLength": 0}) + self.assertEqual(message, "'abc' is expected to be empty") + + def test_minProperties(self): + message = self.message_for(instance={}, schema={"minProperties": 2}) + self.assertEqual(message, "{} does not have enough properties") + + def test_maxProperties(self): + message = self.message_for( + instance={"a": {}, "b": {}, "c": {}}, + schema={"maxProperties": 2}, + ) + self.assertEqual( + message, + "{'a': {}, 'b': {}, 'c': {}} has too many properties", + ) + + def test_minProperties_1(self): + message = self.message_for(instance={}, schema={"minProperties": 1}) + self.assertEqual(message, "{} should be non-empty") + + def test_maxProperties_0(self): + message = self.message_for( + instance={1: 2}, + schema={"maxProperties": 0}, + ) + self.assertEqual(message, "{1: 2} is expected to be empty") + + def test_prefixItems_with_items(self): + message = self.message_for( + instance=[1, 2, "foo"], + schema={"items": False, "prefixItems": [{}, {}]}, + ) + self.assertEqual( + message, + "Expected at most 2 items but found 1 extra: 'foo'", + ) + + def test_prefixItems_with_multiple_extra_items(self): + message = self.message_for( + instance=[1, 2, "foo", 5], + schema={"items": False, "prefixItems": [{}, {}]}, + ) + self.assertEqual( + message, + "Expected at most 2 items but found 2 extra: ['foo', 5]", + ) + + def test_pattern(self): + message = self.message_for( + instance="bbb", + schema={"pattern": "^a*$"}, + ) + self.assertEqual(message, "'bbb' does not match '^a*$'") + + def test_does_not_contain(self): + message = self.message_for( + instance=[], + schema={"contains": {"type": "string"}}, + ) + self.assertEqual( + message, + "[] does not contain items matching the given schema", + ) + + def test_contains_too_few(self): + message = self.message_for( + instance=["foo", 1], + schema={"contains": {"type": "string"}, "minContains": 2}, + ) + self.assertEqual( + message, + "Too few items match the given schema " + "(expected at least 2 but only 1 matched)", + ) + + def test_contains_too_few_both_constrained(self): + message = self.message_for( + instance=["foo", 1], + schema={ + "contains": {"type": "string"}, + "minContains": 2, + "maxContains": 4, + }, + ) + self.assertEqual( + message, + "Too few items match the given schema (expected at least 2 but " + "only 1 matched)", + ) + + def test_contains_too_many(self): + message = self.message_for( + instance=["foo", "bar", "baz"], + schema={"contains": {"type": "string"}, "maxContains": 2}, + ) + self.assertEqual( + message, + "Too many items match the given schema (expected at most 2)", + ) + + def test_contains_too_many_both_constrained(self): + message = self.message_for( + instance=["foo"] * 5, + schema={ + "contains": {"type": "string"}, + "minContains": 2, + "maxContains": 4, + }, + ) + self.assertEqual( + message, + "Too many items match the given schema (expected at most 4)", + ) + + def test_exclusiveMinimum(self): + message = self.message_for( + instance=3, + schema={"exclusiveMinimum": 5}, + ) + self.assertEqual( + message, + "3 is less than or equal to the minimum of 5", + ) + + def test_exclusiveMaximum(self): + message = self.message_for(instance=3, schema={"exclusiveMaximum": 2}) + self.assertEqual( + message, + "3 is greater than or equal to the maximum of 2", + ) + + def test_required(self): + message = self.message_for(instance={}, schema={"required": ["foo"]}) + self.assertEqual(message, "'foo' is a required property") + + def test_dependentRequired(self): + message = self.message_for( + instance={"foo": {}}, + schema={"dependentRequired": {"foo": ["bar"]}}, + ) + self.assertEqual(message, "'bar' is a dependency of 'foo'") + + def test_oneOf_matches_none(self): + message = self.message_for(instance={}, schema={"oneOf": [False]}) + self.assertEqual( + message, + "{} is not valid under any of the given schemas", + ) + + def test_oneOf_matches_too_many(self): + message = self.message_for(instance={}, schema={"oneOf": [True, True]}) + self.assertEqual(message, "{} is valid under each of True, True") + + def test_unevaluated_items(self): + schema = {"type": "array", "unevaluatedItems": False} + message = self.message_for(instance=["foo", "bar"], schema=schema) + self.assertIn( + message, + "Unevaluated items are not allowed ('foo', 'bar' were unexpected)", + ) + + def test_unevaluated_items_on_invalid_type(self): + schema = {"type": "array", "unevaluatedItems": False} + message = self.message_for(instance="foo", schema=schema) + self.assertEqual(message, "'foo' is not of type 'array'") + + def test_unevaluated_properties_invalid_against_subschema(self): + schema = { + "properties": {"foo": {"type": "string"}}, + "unevaluatedProperties": {"const": 12}, + } + message = self.message_for( + instance={ + "foo": "foo", + "bar": "bar", + "baz": 12, + }, + schema=schema, + ) + self.assertEqual( + message, + "Unevaluated properties are not valid under the given schema " + "('bar' was unevaluated and invalid)", + ) + + def test_unevaluated_properties_disallowed(self): + schema = {"type": "object", "unevaluatedProperties": False} + message = self.message_for( + instance={ + "foo": "foo", + "bar": "bar", + }, + schema=schema, + ) + self.assertEqual( + message, + "Unevaluated properties are not allowed " + "('bar', 'foo' were unexpected)", + ) + + def test_unevaluated_properties_on_invalid_type(self): + schema = {"type": "object", "unevaluatedProperties": False} + message = self.message_for(instance="foo", schema=schema) + self.assertEqual(message, "'foo' is not of type 'object'") + + def test_single_item(self): + schema = {"prefixItems": [{}], "items": False} + message = self.message_for( + instance=["foo", "bar", "baz"], + schema=schema, + ) + self.assertEqual( + message, + "Expected at most 1 item but found 2 extra: ['bar', 'baz']", + ) + + def test_heterogeneous_additionalItems_with_Items(self): + schema = {"items": [{}], "additionalItems": False} + message = self.message_for( + instance=["foo", "bar", 37], + schema=schema, + cls=validators.Draft7Validator, + ) + self.assertEqual( + message, + "Additional items are not allowed ('bar', 37 were unexpected)", + ) + + def test_heterogeneous_items_prefixItems(self): + schema = {"prefixItems": [{}], "items": False} + message = self.message_for( + instance=["foo", "bar", 37], + schema=schema, + ) + self.assertEqual( + message, + "Expected at most 1 item but found 2 extra: ['bar', 37]", + ) + + def test_heterogeneous_unevaluatedItems_prefixItems(self): + schema = {"prefixItems": [{}], "unevaluatedItems": False} + message = self.message_for( + instance=["foo", "bar", 37], + schema=schema, + ) + self.assertEqual( + message, + "Unevaluated items are not allowed ('bar', 37 were unexpected)", + ) + + def test_heterogeneous_properties_additionalProperties(self): + """ + Not valid deserialized JSON, but this should not blow up. + """ + schema = {"properties": {"foo": {}}, "additionalProperties": False} + message = self.message_for( + instance={"foo": {}, "a": "baz", 37: 12}, + schema=schema, + ) + self.assertEqual( + message, + "Additional properties are not allowed (37, 'a' were unexpected)", + ) + + def test_heterogeneous_properties_unevaluatedProperties(self): + """ + Not valid deserialized JSON, but this should not blow up. + """ + schema = {"properties": {"foo": {}}, "unevaluatedProperties": False} + message = self.message_for( + instance={"foo": {}, "a": "baz", 37: 12}, + schema=schema, + ) + self.assertEqual( + message, + "Unevaluated properties are not allowed (37, 'a' were unexpected)", + ) + + +class TestValidationErrorDetails(TestCase): + # TODO: These really need unit tests for each individual keyword, rather + # than just these higher level tests. + def test_anyOf(self): + instance = 5 + schema = { + "anyOf": [ + {"minimum": 20}, + {"type": "string"}, + ], + } + + validator = validators.Draft4Validator(schema) + errors = list(validator.iter_errors(instance)) + self.assertEqual(len(errors), 1) + e = errors[0] + + self.assertEqual(e.validator, "anyOf") + self.assertEqual(e.validator_value, schema["anyOf"]) + self.assertEqual(e.instance, instance) + self.assertEqual(e.schema, schema) + self.assertIsNone(e.parent) + + self.assertEqual(e.path, deque([])) + self.assertEqual(e.relative_path, deque([])) + self.assertEqual(e.absolute_path, deque([])) + self.assertEqual(e.json_path, "$") + + self.assertEqual(e.schema_path, deque(["anyOf"])) + self.assertEqual(e.relative_schema_path, deque(["anyOf"])) + self.assertEqual(e.absolute_schema_path, deque(["anyOf"])) + + self.assertEqual(len(e.context), 2) + + e1, e2 = sorted_errors(e.context) + + self.assertEqual(e1.validator, "minimum") + self.assertEqual(e1.validator_value, schema["anyOf"][0]["minimum"]) + self.assertEqual(e1.instance, instance) + self.assertEqual(e1.schema, schema["anyOf"][0]) + self.assertIs(e1.parent, e) + + self.assertEqual(e1.path, deque([])) + self.assertEqual(e1.absolute_path, deque([])) + self.assertEqual(e1.relative_path, deque([])) + self.assertEqual(e1.json_path, "$") + + self.assertEqual(e1.schema_path, deque([0, "minimum"])) + self.assertEqual(e1.relative_schema_path, deque([0, "minimum"])) + self.assertEqual( + e1.absolute_schema_path, deque(["anyOf", 0, "minimum"]), + ) + + self.assertFalse(e1.context) + + self.assertEqual(e2.validator, "type") + self.assertEqual(e2.validator_value, schema["anyOf"][1]["type"]) + self.assertEqual(e2.instance, instance) + self.assertEqual(e2.schema, schema["anyOf"][1]) + self.assertIs(e2.parent, e) + + self.assertEqual(e2.path, deque([])) + self.assertEqual(e2.relative_path, deque([])) + self.assertEqual(e2.absolute_path, deque([])) + self.assertEqual(e2.json_path, "$") + + self.assertEqual(e2.schema_path, deque([1, "type"])) + self.assertEqual(e2.relative_schema_path, deque([1, "type"])) + self.assertEqual(e2.absolute_schema_path, deque(["anyOf", 1, "type"])) + + self.assertEqual(len(e2.context), 0) + + def test_type(self): + instance = {"foo": 1} + schema = { + "type": [ + {"type": "integer"}, + { + "type": "object", + "properties": {"foo": {"enum": [2]}}, + }, + ], + } + + validator = validators.Draft3Validator(schema) + errors = list(validator.iter_errors(instance)) + self.assertEqual(len(errors), 1) + e = errors[0] + + self.assertEqual(e.validator, "type") + self.assertEqual(e.validator_value, schema["type"]) + self.assertEqual(e.instance, instance) + self.assertEqual(e.schema, schema) + self.assertIsNone(e.parent) + + self.assertEqual(e.path, deque([])) + self.assertEqual(e.relative_path, deque([])) + self.assertEqual(e.absolute_path, deque([])) + self.assertEqual(e.json_path, "$") + + self.assertEqual(e.schema_path, deque(["type"])) + self.assertEqual(e.relative_schema_path, deque(["type"])) + self.assertEqual(e.absolute_schema_path, deque(["type"])) + + self.assertEqual(len(e.context), 2) + + e1, e2 = sorted_errors(e.context) + + self.assertEqual(e1.validator, "type") + self.assertEqual(e1.validator_value, schema["type"][0]["type"]) + self.assertEqual(e1.instance, instance) + self.assertEqual(e1.schema, schema["type"][0]) + self.assertIs(e1.parent, e) + + self.assertEqual(e1.path, deque([])) + self.assertEqual(e1.relative_path, deque([])) + self.assertEqual(e1.absolute_path, deque([])) + self.assertEqual(e1.json_path, "$") + + self.assertEqual(e1.schema_path, deque([0, "type"])) + self.assertEqual(e1.relative_schema_path, deque([0, "type"])) + self.assertEqual(e1.absolute_schema_path, deque(["type", 0, "type"])) + + self.assertFalse(e1.context) + + self.assertEqual(e2.validator, "enum") + self.assertEqual(e2.validator_value, [2]) + self.assertEqual(e2.instance, 1) + self.assertEqual(e2.schema, {"enum": [2]}) + self.assertIs(e2.parent, e) + + self.assertEqual(e2.path, deque(["foo"])) + self.assertEqual(e2.relative_path, deque(["foo"])) + self.assertEqual(e2.absolute_path, deque(["foo"])) + self.assertEqual(e2.json_path, "$.foo") + + self.assertEqual( + e2.schema_path, deque([1, "properties", "foo", "enum"]), + ) + self.assertEqual( + e2.relative_schema_path, deque([1, "properties", "foo", "enum"]), + ) + self.assertEqual( + e2.absolute_schema_path, + deque(["type", 1, "properties", "foo", "enum"]), + ) + + self.assertFalse(e2.context) + + def test_single_nesting(self): + instance = {"foo": 2, "bar": [1], "baz": 15, "quux": "spam"} + schema = { + "properties": { + "foo": {"type": "string"}, + "bar": {"minItems": 2}, + "baz": {"maximum": 10, "enum": [2, 4, 6, 8]}, + }, + } + + validator = validators.Draft3Validator(schema) + errors = validator.iter_errors(instance) + e1, e2, e3, e4 = sorted_errors(errors) + + self.assertEqual(e1.path, deque(["bar"])) + self.assertEqual(e2.path, deque(["baz"])) + self.assertEqual(e3.path, deque(["baz"])) + self.assertEqual(e4.path, deque(["foo"])) + + self.assertEqual(e1.relative_path, deque(["bar"])) + self.assertEqual(e2.relative_path, deque(["baz"])) + self.assertEqual(e3.relative_path, deque(["baz"])) + self.assertEqual(e4.relative_path, deque(["foo"])) + + self.assertEqual(e1.absolute_path, deque(["bar"])) + self.assertEqual(e2.absolute_path, deque(["baz"])) + self.assertEqual(e3.absolute_path, deque(["baz"])) + self.assertEqual(e4.absolute_path, deque(["foo"])) + + self.assertEqual(e1.json_path, "$.bar") + self.assertEqual(e2.json_path, "$.baz") + self.assertEqual(e3.json_path, "$.baz") + self.assertEqual(e4.json_path, "$.foo") + + self.assertEqual(e1.validator, "minItems") + self.assertEqual(e2.validator, "enum") + self.assertEqual(e3.validator, "maximum") + self.assertEqual(e4.validator, "type") + + def test_multiple_nesting(self): + instance = [1, {"foo": 2, "bar": {"baz": [1]}}, "quux"] + schema = { + "type": "string", + "items": { + "type": ["string", "object"], + "properties": { + "foo": {"enum": [1, 3]}, + "bar": { + "type": "array", + "properties": { + "bar": {"required": True}, + "baz": {"minItems": 2}, + }, + }, + }, + }, + } + + validator = validators.Draft3Validator(schema) + errors = validator.iter_errors(instance) + e1, e2, e3, e4, e5, e6 = sorted_errors(errors) + + self.assertEqual(e1.path, deque([])) + self.assertEqual(e2.path, deque([0])) + self.assertEqual(e3.path, deque([1, "bar"])) + self.assertEqual(e4.path, deque([1, "bar", "bar"])) + self.assertEqual(e5.path, deque([1, "bar", "baz"])) + self.assertEqual(e6.path, deque([1, "foo"])) + + self.assertEqual(e1.json_path, "$") + self.assertEqual(e2.json_path, "$[0]") + self.assertEqual(e3.json_path, "$[1].bar") + self.assertEqual(e4.json_path, "$[1].bar.bar") + self.assertEqual(e5.json_path, "$[1].bar.baz") + self.assertEqual(e6.json_path, "$[1].foo") + + self.assertEqual(e1.schema_path, deque(["type"])) + self.assertEqual(e2.schema_path, deque(["items", "type"])) + self.assertEqual( + list(e3.schema_path), ["items", "properties", "bar", "type"], + ) + self.assertEqual( + list(e4.schema_path), + ["items", "properties", "bar", "properties", "bar", "required"], + ) + self.assertEqual( + list(e5.schema_path), + ["items", "properties", "bar", "properties", "baz", "minItems"], + ) + self.assertEqual( + list(e6.schema_path), ["items", "properties", "foo", "enum"], + ) + + self.assertEqual(e1.validator, "type") + self.assertEqual(e2.validator, "type") + self.assertEqual(e3.validator, "type") + self.assertEqual(e4.validator, "required") + self.assertEqual(e5.validator, "minItems") + self.assertEqual(e6.validator, "enum") + + def test_recursive(self): + schema = { + "definitions": { + "node": { + "anyOf": [{ + "type": "object", + "required": ["name", "children"], + "properties": { + "name": { + "type": "string", + }, + "children": { + "type": "object", + "patternProperties": { + "^.*$": { + "$ref": "#/definitions/node", + }, + }, + }, + }, + }], + }, + }, + "type": "object", + "required": ["root"], + "properties": {"root": {"$ref": "#/definitions/node"}}, + } + + instance = { + "root": { + "name": "root", + "children": { + "a": { + "name": "a", + "children": { + "ab": { + "name": "ab", + # missing "children" + }, + }, + }, + }, + }, + } + validator = validators.Draft4Validator(schema) + + e, = validator.iter_errors(instance) + self.assertEqual(e.absolute_path, deque(["root"])) + self.assertEqual( + e.absolute_schema_path, deque(["properties", "root", "anyOf"]), + ) + self.assertEqual(e.json_path, "$.root") + + e1, = e.context + self.assertEqual(e1.absolute_path, deque(["root", "children", "a"])) + self.assertEqual( + e1.absolute_schema_path, deque( + [ + "properties", + "root", + "anyOf", + 0, + "properties", + "children", + "patternProperties", + "^.*$", + "anyOf", + ], + ), + ) + self.assertEqual(e1.json_path, "$.root.children.a") + + e2, = e1.context + self.assertEqual( + e2.absolute_path, deque( + ["root", "children", "a", "children", "ab"], + ), + ) + self.assertEqual( + e2.absolute_schema_path, deque( + [ + "properties", + "root", + "anyOf", + 0, + "properties", + "children", + "patternProperties", + "^.*$", + "anyOf", + 0, + "properties", + "children", + "patternProperties", + "^.*$", + "anyOf", + ], + ), + ) + self.assertEqual(e2.json_path, "$.root.children.a.children.ab") + + def test_additionalProperties(self): + instance = {"bar": "bar", "foo": 2} + schema = {"additionalProperties": {"type": "integer", "minimum": 5}} + + validator = validators.Draft3Validator(schema) + errors = validator.iter_errors(instance) + e1, e2 = sorted_errors(errors) + + self.assertEqual(e1.path, deque(["bar"])) + self.assertEqual(e2.path, deque(["foo"])) + + self.assertEqual(e1.json_path, "$.bar") + self.assertEqual(e2.json_path, "$.foo") + + self.assertEqual(e1.validator, "type") + self.assertEqual(e2.validator, "minimum") + + def test_patternProperties(self): + instance = {"bar": 1, "foo": 2} + schema = { + "patternProperties": { + "bar": {"type": "string"}, + "foo": {"minimum": 5}, + }, + } + + validator = validators.Draft3Validator(schema) + errors = validator.iter_errors(instance) + e1, e2 = sorted_errors(errors) + + self.assertEqual(e1.path, deque(["bar"])) + self.assertEqual(e2.path, deque(["foo"])) + + self.assertEqual(e1.json_path, "$.bar") + self.assertEqual(e2.json_path, "$.foo") + + self.assertEqual(e1.validator, "type") + self.assertEqual(e2.validator, "minimum") + + def test_additionalItems(self): + instance = ["foo", 1] + schema = { + "items": [], + "additionalItems": {"type": "integer", "minimum": 5}, + } + + validator = validators.Draft3Validator(schema) + errors = validator.iter_errors(instance) + e1, e2 = sorted_errors(errors) + + self.assertEqual(e1.path, deque([0])) + self.assertEqual(e2.path, deque([1])) + + self.assertEqual(e1.json_path, "$[0]") + self.assertEqual(e2.json_path, "$[1]") + + self.assertEqual(e1.validator, "type") + self.assertEqual(e2.validator, "minimum") + + def test_additionalItems_with_items(self): + instance = ["foo", "bar", 1] + schema = { + "items": [{}], + "additionalItems": {"type": "integer", "minimum": 5}, + } + + validator = validators.Draft3Validator(schema) + errors = validator.iter_errors(instance) + e1, e2 = sorted_errors(errors) + + self.assertEqual(e1.path, deque([1])) + self.assertEqual(e2.path, deque([2])) + + self.assertEqual(e1.json_path, "$[1]") + self.assertEqual(e2.json_path, "$[2]") + + self.assertEqual(e1.validator, "type") + self.assertEqual(e2.validator, "minimum") + + def test_propertyNames(self): + instance = {"foo": 12} + schema = {"propertyNames": {"not": {"const": "foo"}}} + + validator = validators.Draft7Validator(schema) + error, = validator.iter_errors(instance) + + self.assertEqual(error.validator, "not") + self.assertEqual( + error.message, + "'foo' should not be valid under {'const': 'foo'}", + ) + self.assertEqual(error.path, deque([])) + self.assertEqual(error.json_path, "$") + self.assertEqual(error.schema_path, deque(["propertyNames", "not"])) + + def test_if_then(self): + schema = { + "if": {"const": 12}, + "then": {"const": 13}, + } + + validator = validators.Draft7Validator(schema) + error, = validator.iter_errors(12) + + self.assertEqual(error.validator, "const") + self.assertEqual(error.message, "13 was expected") + self.assertEqual(error.path, deque([])) + self.assertEqual(error.json_path, "$") + self.assertEqual(error.schema_path, deque(["then", "const"])) + + def test_if_else(self): + schema = { + "if": {"const": 12}, + "else": {"const": 13}, + } + + validator = validators.Draft7Validator(schema) + error, = validator.iter_errors(15) + + self.assertEqual(error.validator, "const") + self.assertEqual(error.message, "13 was expected") + self.assertEqual(error.path, deque([])) + self.assertEqual(error.json_path, "$") + self.assertEqual(error.schema_path, deque(["else", "const"])) + + def test_boolean_schema_False(self): + validator = validators.Draft7Validator(False) + error, = validator.iter_errors(12) + + self.assertEqual( + ( + error.message, + error.validator, + error.validator_value, + error.instance, + error.schema, + error.schema_path, + error.json_path, + ), + ( + "False schema does not allow 12", + None, + None, + 12, + False, + deque([]), + "$", + ), + ) + + def test_ref(self): + ref, schema = "someRef", {"additionalProperties": {"type": "integer"}} + validator = validators.Draft7Validator( + {"$ref": ref}, + resolver=validators._RefResolver("", {}, store={ref: schema}), + ) + error, = validator.iter_errors({"foo": "notAnInteger"}) + + self.assertEqual( + ( + error.message, + error.validator, + error.validator_value, + error.instance, + error.absolute_path, + error.schema, + error.schema_path, + error.json_path, + ), + ( + "'notAnInteger' is not of type 'integer'", + "type", + "integer", + "notAnInteger", + deque(["foo"]), + {"type": "integer"}, + deque(["additionalProperties", "type"]), + "$.foo", + ), + ) + + def test_prefixItems(self): + schema = {"prefixItems": [{"type": "string"}, {}, {}, {"maximum": 3}]} + validator = validators.Draft202012Validator(schema) + type_error, min_error = validator.iter_errors([1, 2, "foo", 5]) + self.assertEqual( + ( + type_error.message, + type_error.validator, + type_error.validator_value, + type_error.instance, + type_error.absolute_path, + type_error.schema, + type_error.schema_path, + type_error.json_path, + ), + ( + "1 is not of type 'string'", + "type", + "string", + 1, + deque([0]), + {"type": "string"}, + deque(["prefixItems", 0, "type"]), + "$[0]", + ), + ) + self.assertEqual( + ( + min_error.message, + min_error.validator, + min_error.validator_value, + min_error.instance, + min_error.absolute_path, + min_error.schema, + min_error.schema_path, + min_error.json_path, + ), + ( + "5 is greater than the maximum of 3", + "maximum", + 3, + 5, + deque([3]), + {"maximum": 3}, + deque(["prefixItems", 3, "maximum"]), + "$[3]", + ), + ) + + def test_prefixItems_with_items(self): + schema = { + "items": {"type": "string"}, + "prefixItems": [{}], + } + validator = validators.Draft202012Validator(schema) + e1, e2 = validator.iter_errors(["foo", 2, "bar", 4, "baz"]) + self.assertEqual( + ( + e1.message, + e1.validator, + e1.validator_value, + e1.instance, + e1.absolute_path, + e1.schema, + e1.schema_path, + e1.json_path, + ), + ( + "2 is not of type 'string'", + "type", + "string", + 2, + deque([1]), + {"type": "string"}, + deque(["items", "type"]), + "$[1]", + ), + ) + self.assertEqual( + ( + e2.message, + e2.validator, + e2.validator_value, + e2.instance, + e2.absolute_path, + e2.schema, + e2.schema_path, + e2.json_path, + ), + ( + "4 is not of type 'string'", + "type", + "string", + 4, + deque([3]), + {"type": "string"}, + deque(["items", "type"]), + "$[3]", + ), + ) + + def test_contains_too_many(self): + """ + `contains` + `maxContains` produces only one error, even if there are + many more incorrectly matching elements. + """ + schema = {"contains": {"type": "string"}, "maxContains": 2} + validator = validators.Draft202012Validator(schema) + error, = validator.iter_errors(["foo", 2, "bar", 4, "baz", "quux"]) + self.assertEqual( + ( + error.message, + error.validator, + error.validator_value, + error.instance, + error.absolute_path, + error.schema, + error.schema_path, + error.json_path, + ), + ( + "Too many items match the given schema (expected at most 2)", + "maxContains", + 2, + ["foo", 2, "bar", 4, "baz", "quux"], + deque([]), + {"contains": {"type": "string"}, "maxContains": 2}, + deque(["contains"]), + "$", + ), + ) + + def test_contains_too_few(self): + schema = {"contains": {"type": "string"}, "minContains": 2} + validator = validators.Draft202012Validator(schema) + error, = validator.iter_errors(["foo", 2, 4]) + self.assertEqual( + ( + error.message, + error.validator, + error.validator_value, + error.instance, + error.absolute_path, + error.schema, + error.schema_path, + error.json_path, + ), + ( + ( + "Too few items match the given schema " + "(expected at least 2 but only 1 matched)" + ), + "minContains", + 2, + ["foo", 2, 4], + deque([]), + {"contains": {"type": "string"}, "minContains": 2}, + deque(["contains"]), + "$", + ), + ) + + def test_contains_none(self): + schema = {"contains": {"type": "string"}, "minContains": 2} + validator = validators.Draft202012Validator(schema) + error, = validator.iter_errors([2, 4]) + self.assertEqual( + ( + error.message, + error.validator, + error.validator_value, + error.instance, + error.absolute_path, + error.schema, + error.schema_path, + error.json_path, + ), + ( + "[2, 4] does not contain items matching the given schema", + "contains", + {"type": "string"}, + [2, 4], + deque([]), + {"contains": {"type": "string"}, "minContains": 2}, + deque(["contains"]), + "$", + ), + ) + + def test_ref_sibling(self): + schema = { + "$defs": {"foo": {"required": ["bar"]}}, + "properties": { + "aprop": { + "$ref": "#/$defs/foo", + "required": ["baz"], + }, + }, + } + + validator = validators.Draft202012Validator(schema) + e1, e2 = validator.iter_errors({"aprop": {}}) + self.assertEqual( + ( + e1.message, + e1.validator, + e1.validator_value, + e1.instance, + e1.absolute_path, + e1.schema, + e1.schema_path, + e1.relative_schema_path, + e1.json_path, + ), + ( + "'bar' is a required property", + "required", + ["bar"], + {}, + deque(["aprop"]), + {"required": ["bar"]}, + deque(["properties", "aprop", "required"]), + deque(["properties", "aprop", "required"]), + "$.aprop", + ), + ) + self.assertEqual( + ( + e2.message, + e2.validator, + e2.validator_value, + e2.instance, + e2.absolute_path, + e2.schema, + e2.schema_path, + e2.relative_schema_path, + e2.json_path, + ), + ( + "'baz' is a required property", + "required", + ["baz"], + {}, + deque(["aprop"]), + {"$ref": "#/$defs/foo", "required": ["baz"]}, + deque(["properties", "aprop", "required"]), + deque(["properties", "aprop", "required"]), + "$.aprop", + ), + ) + + +class MetaSchemaTestsMixin: + # TODO: These all belong upstream + def test_invalid_properties(self): + with self.assertRaises(exceptions.SchemaError): + self.Validator.check_schema({"properties": 12}) + + def test_minItems_invalid_string(self): + with self.assertRaises(exceptions.SchemaError): + # needs to be an integer + self.Validator.check_schema({"minItems": "1"}) + + def test_enum_allows_empty_arrays(self): + """ + Technically, all the spec says is they SHOULD have elements, not MUST. + + (As of Draft 6. Previous drafts do say MUST). + + See #529. + """ + if self.Validator in { + validators.Draft3Validator, + validators.Draft4Validator, + }: + with self.assertRaises(exceptions.SchemaError): + self.Validator.check_schema({"enum": []}) + else: + self.Validator.check_schema({"enum": []}) + + def test_enum_allows_non_unique_items(self): + """ + Technically, all the spec says is they SHOULD be unique, not MUST. + + (As of Draft 6. Previous drafts do say MUST). + + See #529. + """ + if self.Validator in { + validators.Draft3Validator, + validators.Draft4Validator, + }: + with self.assertRaises(exceptions.SchemaError): + self.Validator.check_schema({"enum": [12, 12]}) + else: + self.Validator.check_schema({"enum": [12, 12]}) + + def test_schema_with_invalid_regex(self): + with self.assertRaises(exceptions.SchemaError): + self.Validator.check_schema({"pattern": "*notaregex"}) + + def test_schema_with_invalid_regex_with_disabled_format_validation(self): + self.Validator.check_schema( + {"pattern": "*notaregex"}, + format_checker=None, + ) + + +class ValidatorTestMixin(MetaSchemaTestsMixin): + def test_it_implements_the_validator_protocol(self): + self.assertIsInstance(self.Validator({}), protocols.Validator) + + def test_valid_instances_are_valid(self): + schema, instance = self.valid + self.assertTrue(self.Validator(schema).is_valid(instance)) + + def test_invalid_instances_are_not_valid(self): + schema, instance = self.invalid + self.assertFalse(self.Validator(schema).is_valid(instance)) + + def test_non_existent_properties_are_ignored(self): + self.Validator({object(): object()}).validate(instance=object()) + + def test_evolve(self): + schema, format_checker = {"type": "integer"}, FormatChecker() + original = self.Validator( + schema, + format_checker=format_checker, + ) + new = original.evolve( + schema={"type": "string"}, + format_checker=self.Validator.FORMAT_CHECKER, + ) + + expected = self.Validator( + {"type": "string"}, + format_checker=self.Validator.FORMAT_CHECKER, + _resolver=new._resolver, + ) + + self.assertEqual(new, expected) + self.assertNotEqual(new, original) + + def test_evolve_with_subclass(self): + """ + Subclassing validators isn't supported public API, but some users have + done it, because we don't actually error entirely when it's done :/ + + We need to deprecate doing so first to help as many of these users + ensure they can move to supported APIs, but this test ensures that in + the interim, we haven't broken those users. + """ + + with self.assertWarns(DeprecationWarning): + @define + class OhNo(self.Validator): + foo = field(factory=lambda: [1, 2, 3]) + _bar = field(default=37) + + validator = OhNo({}, bar=12) + self.assertEqual(validator.foo, [1, 2, 3]) + + new = validator.evolve(schema={"type": "integer"}) + self.assertEqual(new.foo, [1, 2, 3]) + self.assertEqual(new._bar, 12) + + def test_is_type_is_true_for_valid_type(self): + self.assertTrue(self.Validator({}).is_type("foo", "string")) + + def test_is_type_is_false_for_invalid_type(self): + self.assertFalse(self.Validator({}).is_type("foo", "array")) + + def test_is_type_evades_bool_inheriting_from_int(self): + self.assertFalse(self.Validator({}).is_type(True, "integer")) + self.assertFalse(self.Validator({}).is_type(True, "number")) + + def test_it_can_validate_with_decimals(self): + schema = {"items": {"type": "number"}} + Validator = validators.extend( + self.Validator, + type_checker=self.Validator.TYPE_CHECKER.redefine( + "number", + lambda checker, thing: isinstance( + thing, (int, float, Decimal), + ) and not isinstance(thing, bool), + ), + ) + + validator = Validator(schema) + validator.validate([1, 1.1, Decimal(1) / Decimal(8)]) + + invalid = ["foo", {}, [], True, None] + self.assertEqual( + [error.instance for error in validator.iter_errors(invalid)], + invalid, + ) + + def test_it_returns_true_for_formats_it_does_not_know_about(self): + validator = self.Validator( + {"format": "carrot"}, format_checker=FormatChecker(), + ) + validator.validate("bugs") + + def test_it_does_not_validate_formats_by_default(self): + validator = self.Validator({}) + self.assertIsNone(validator.format_checker) + + def test_it_validates_formats_if_a_checker_is_provided(self): + checker = FormatChecker() + bad = ValueError("Bad!") + + @checker.checks("foo", raises=ValueError) + def check(value): + if value == "good": + return True + elif value == "bad": + raise bad + else: # pragma: no cover + self.fail(f"What is {value}? [Baby Don't Hurt Me]") + + validator = self.Validator( + {"format": "foo"}, format_checker=checker, + ) + + validator.validate("good") + with self.assertRaises(exceptions.ValidationError) as cm: + validator.validate("bad") + + # Make sure original cause is attached + self.assertIs(cm.exception.cause, bad) + + def test_non_string_custom_type(self): + non_string_type = object() + schema = {"type": [non_string_type]} + Crazy = validators.extend( + self.Validator, + type_checker=self.Validator.TYPE_CHECKER.redefine( + non_string_type, + lambda checker, thing: isinstance(thing, int), + ), + ) + Crazy(schema).validate(15) + + def test_it_properly_formats_tuples_in_errors(self): + """ + A tuple instance properly formats validation errors for uniqueItems. + + See #224 + """ + TupleValidator = validators.extend( + self.Validator, + type_checker=self.Validator.TYPE_CHECKER.redefine( + "array", + lambda checker, thing: isinstance(thing, tuple), + ), + ) + with self.assertRaises(exceptions.ValidationError) as e: + TupleValidator({"uniqueItems": True}).validate((1, 1)) + self.assertIn("(1, 1) has non-unique elements", str(e.exception)) + + def test_check_redefined_sequence(self): + """ + Allow array to validate against another defined sequence type + """ + schema = {"type": "array", "uniqueItems": True} + MyMapping = namedtuple("MyMapping", "a, b") + Validator = validators.extend( + self.Validator, + type_checker=self.Validator.TYPE_CHECKER.redefine_many( + { + "array": lambda checker, thing: isinstance( + thing, (list, deque), + ), + "object": lambda checker, thing: isinstance( + thing, (dict, MyMapping), + ), + }, + ), + ) + validator = Validator(schema) + + valid_instances = [ + deque(["a", None, "1", "", True]), + deque([[False], [0]]), + [deque([False]), deque([0])], + [[deque([False])], [deque([0])]], + [[[[[deque([False])]]]], [[[[deque([0])]]]]], + [deque([deque([False])]), deque([deque([0])])], + [MyMapping("a", 0), MyMapping("a", False)], + [ + MyMapping("a", [deque([0])]), + MyMapping("a", [deque([False])]), + ], + [ + MyMapping("a", [MyMapping("a", deque([0]))]), + MyMapping("a", [MyMapping("a", deque([False]))]), + ], + [deque(deque(deque([False]))), deque(deque(deque([0])))], + ] + + for instance in valid_instances: + validator.validate(instance) + + invalid_instances = [ + deque(["a", "b", "a"]), + deque([[False], [False]]), + [deque([False]), deque([False])], + [[deque([False])], [deque([False])]], + [[[[[deque([False])]]]], [[[[deque([False])]]]]], + [deque([deque([False])]), deque([deque([False])])], + [MyMapping("a", False), MyMapping("a", False)], + [ + MyMapping("a", [deque([False])]), + MyMapping("a", [deque([False])]), + ], + [ + MyMapping("a", [MyMapping("a", deque([False]))]), + MyMapping("a", [MyMapping("a", deque([False]))]), + ], + [deque(deque(deque([False]))), deque(deque(deque([False])))], + ] + + for instance in invalid_instances: + with self.assertRaises(exceptions.ValidationError): + validator.validate(instance) + + def test_it_creates_a_ref_resolver_if_not_provided(self): + with self.assertWarns(DeprecationWarning): + resolver = self.Validator({}).resolver + self.assertIsInstance(resolver, validators._RefResolver) + + def test_it_upconverts_from_deprecated_RefResolvers(self): + ref, schema = "someCoolRef", {"type": "integer"} + resolver = validators._RefResolver("", {}, store={ref: schema}) + validator = self.Validator({"$ref": ref}, resolver=resolver) + + with self.assertRaises(exceptions.ValidationError): + validator.validate(None) + + def test_it_upconverts_from_yet_older_deprecated_legacy_RefResolvers(self): + """ + Legacy RefResolvers support only the context manager form of + resolution. + """ + + class LegacyRefResolver: + @contextmanager + def resolving(this, ref): + self.assertEqual(ref, "the ref") + yield {"type": "integer"} + + resolver = LegacyRefResolver() + schema = {"$ref": "the ref"} + + with self.assertRaises(exceptions.ValidationError): + self.Validator(schema, resolver=resolver).validate(None) + + +class AntiDraft6LeakMixin: + """ + Make sure functionality from draft 6 doesn't leak backwards in time. + """ + + def test_True_is_not_a_schema(self): + with self.assertRaises(exceptions.SchemaError) as e: + self.Validator.check_schema(True) + self.assertIn("True is not of type", str(e.exception)) + + def test_False_is_not_a_schema(self): + with self.assertRaises(exceptions.SchemaError) as e: + self.Validator.check_schema(False) + self.assertIn("False is not of type", str(e.exception)) + + def test_True_is_not_a_schema_even_if_you_forget_to_check(self): + with self.assertRaises(Exception) as e: + self.Validator(True).validate(12) + self.assertNotIsInstance(e.exception, exceptions.ValidationError) + + def test_False_is_not_a_schema_even_if_you_forget_to_check(self): + with self.assertRaises(Exception) as e: + self.Validator(False).validate(12) + self.assertNotIsInstance(e.exception, exceptions.ValidationError) + + +class TestDraft3Validator(AntiDraft6LeakMixin, ValidatorTestMixin, TestCase): + Validator = validators.Draft3Validator + valid: tuple[dict, dict] = ({}, {}) + invalid = {"type": "integer"}, "foo" + + def test_any_type_is_valid_for_type_any(self): + validator = self.Validator({"type": "any"}) + validator.validate(object()) + + def test_any_type_is_redefinable(self): + """ + Sigh, because why not. + """ + Crazy = validators.extend( + self.Validator, + type_checker=self.Validator.TYPE_CHECKER.redefine( + "any", lambda checker, thing: isinstance(thing, int), + ), + ) + validator = Crazy({"type": "any"}) + validator.validate(12) + with self.assertRaises(exceptions.ValidationError): + validator.validate("foo") + + def test_is_type_is_true_for_any_type(self): + self.assertTrue(self.Validator({"type": "any"}).is_valid(object())) + + def test_is_type_does_not_evade_bool_if_it_is_being_tested(self): + self.assertTrue(self.Validator({}).is_type(True, "boolean")) + self.assertTrue(self.Validator({"type": "any"}).is_valid(True)) + + +class TestDraft4Validator(AntiDraft6LeakMixin, ValidatorTestMixin, TestCase): + Validator = validators.Draft4Validator + valid: tuple[dict, dict] = ({}, {}) + invalid = {"type": "integer"}, "foo" + + +class TestDraft6Validator(ValidatorTestMixin, TestCase): + Validator = validators.Draft6Validator + valid: tuple[dict, dict] = ({}, {}) + invalid = {"type": "integer"}, "foo" + + +class TestDraft7Validator(ValidatorTestMixin, TestCase): + Validator = validators.Draft7Validator + valid: tuple[dict, dict] = ({}, {}) + invalid = {"type": "integer"}, "foo" + + +class TestDraft201909Validator(ValidatorTestMixin, TestCase): + Validator = validators.Draft201909Validator + valid: tuple[dict, dict] = ({}, {}) + invalid = {"type": "integer"}, "foo" + + +class TestDraft202012Validator(ValidatorTestMixin, TestCase): + Validator = validators.Draft202012Validator + valid: tuple[dict, dict] = ({}, {}) + invalid = {"type": "integer"}, "foo" + + +class TestLatestValidator(TestCase): + """ + These really apply to multiple versions but are easiest to test on one. + """ + + def test_ref_resolvers_may_have_boolean_schemas_stored(self): + ref = "someCoolRef" + schema = {"$ref": ref} + resolver = validators._RefResolver("", {}, store={ref: False}) + validator = validators._LATEST_VERSION(schema, resolver=resolver) + + with self.assertRaises(exceptions.ValidationError): + validator.validate(None) + + +class TestValidatorFor(TestCase): + def test_draft_3(self): + schema = {"$schema": "http://json-schema.org/draft-03/schema"} + self.assertIs( + validators.validator_for(schema), + validators.Draft3Validator, + ) + + schema = {"$schema": "http://json-schema.org/draft-03/schema#"} + self.assertIs( + validators.validator_for(schema), + validators.Draft3Validator, + ) + + def test_draft_4(self): + schema = {"$schema": "http://json-schema.org/draft-04/schema"} + self.assertIs( + validators.validator_for(schema), + validators.Draft4Validator, + ) + + schema = {"$schema": "http://json-schema.org/draft-04/schema#"} + self.assertIs( + validators.validator_for(schema), + validators.Draft4Validator, + ) + + def test_draft_6(self): + schema = {"$schema": "http://json-schema.org/draft-06/schema"} + self.assertIs( + validators.validator_for(schema), + validators.Draft6Validator, + ) + + schema = {"$schema": "http://json-schema.org/draft-06/schema#"} + self.assertIs( + validators.validator_for(schema), + validators.Draft6Validator, + ) + + def test_draft_7(self): + schema = {"$schema": "http://json-schema.org/draft-07/schema"} + self.assertIs( + validators.validator_for(schema), + validators.Draft7Validator, + ) + + schema = {"$schema": "http://json-schema.org/draft-07/schema#"} + self.assertIs( + validators.validator_for(schema), + validators.Draft7Validator, + ) + + def test_draft_201909(self): + schema = {"$schema": "https://json-schema.org/draft/2019-09/schema"} + self.assertIs( + validators.validator_for(schema), + validators.Draft201909Validator, + ) + + schema = {"$schema": "https://json-schema.org/draft/2019-09/schema#"} + self.assertIs( + validators.validator_for(schema), + validators.Draft201909Validator, + ) + + def test_draft_202012(self): + schema = {"$schema": "https://json-schema.org/draft/2020-12/schema"} + self.assertIs( + validators.validator_for(schema), + validators.Draft202012Validator, + ) + + schema = {"$schema": "https://json-schema.org/draft/2020-12/schema#"} + self.assertIs( + validators.validator_for(schema), + validators.Draft202012Validator, + ) + + def test_True(self): + self.assertIs( + validators.validator_for(True), + validators._LATEST_VERSION, + ) + + def test_False(self): + self.assertIs( + validators.validator_for(False), + validators._LATEST_VERSION, + ) + + def test_custom_validator(self): + Validator = validators.create( + meta_schema={"id": "meta schema id"}, + version="12", + id_of=lambda s: s.get("id", ""), + ) + schema = {"$schema": "meta schema id"} + self.assertIs( + validators.validator_for(schema), + Validator, + ) + + def test_custom_validator_draft6(self): + Validator = validators.create( + meta_schema={"$id": "meta schema $id"}, + version="13", + ) + schema = {"$schema": "meta schema $id"} + self.assertIs( + validators.validator_for(schema), + Validator, + ) + + def test_validator_for_jsonschema_default(self): + self.assertIs(validators.validator_for({}), validators._LATEST_VERSION) + + def test_validator_for_custom_default(self): + self.assertIs(validators.validator_for({}, default=None), None) + + def test_warns_if_meta_schema_specified_was_not_found(self): + with self.assertWarns(DeprecationWarning) as cm: + validators.validator_for(schema={"$schema": "unknownSchema"}) + + self.assertEqual(cm.filename, __file__) + self.assertEqual( + str(cm.warning), + "The metaschema specified by $schema was not found. " + "Using the latest draft to validate, but this will raise " + "an error in the future.", + ) + + def test_does_not_warn_if_meta_schema_is_unspecified(self): + with warnings.catch_warnings(record=True) as w: + warnings.simplefilter("always") + validators.validator_for(schema={}, default={}) + self.assertFalse(w) + + def test_validator_for_custom_default_with_schema(self): + schema, default = {"$schema": "mailto:foo@example.com"}, object() + self.assertIs(validators.validator_for(schema, default), default) + + +class TestValidate(TestCase): + def assertUses(self, schema, Validator): + result = [] + with mock.patch.object(Validator, "check_schema", result.append): + validators.validate({}, schema) + self.assertEqual(result, [schema]) + + def test_draft3_validator_is_chosen(self): + self.assertUses( + schema={"$schema": "http://json-schema.org/draft-03/schema#"}, + Validator=validators.Draft3Validator, + ) + # Make sure it works without the empty fragment + self.assertUses( + schema={"$schema": "http://json-schema.org/draft-03/schema"}, + Validator=validators.Draft3Validator, + ) + + def test_draft4_validator_is_chosen(self): + self.assertUses( + schema={"$schema": "http://json-schema.org/draft-04/schema#"}, + Validator=validators.Draft4Validator, + ) + # Make sure it works without the empty fragment + self.assertUses( + schema={"$schema": "http://json-schema.org/draft-04/schema"}, + Validator=validators.Draft4Validator, + ) + + def test_draft6_validator_is_chosen(self): + self.assertUses( + schema={"$schema": "http://json-schema.org/draft-06/schema#"}, + Validator=validators.Draft6Validator, + ) + # Make sure it works without the empty fragment + self.assertUses( + schema={"$schema": "http://json-schema.org/draft-06/schema"}, + Validator=validators.Draft6Validator, + ) + + def test_draft7_validator_is_chosen(self): + self.assertUses( + schema={"$schema": "http://json-schema.org/draft-07/schema#"}, + Validator=validators.Draft7Validator, + ) + # Make sure it works without the empty fragment + self.assertUses( + schema={"$schema": "http://json-schema.org/draft-07/schema"}, + Validator=validators.Draft7Validator, + ) + + def test_draft202012_validator_is_chosen(self): + self.assertUses( + schema={ + "$schema": "https://json-schema.org/draft/2020-12/schema#", + }, + Validator=validators.Draft202012Validator, + ) + # Make sure it works without the empty fragment + self.assertUses( + schema={ + "$schema": "https://json-schema.org/draft/2020-12/schema", + }, + Validator=validators.Draft202012Validator, + ) + + def test_draft202012_validator_is_the_default(self): + self.assertUses(schema={}, Validator=validators.Draft202012Validator) + + def test_validation_error_message(self): + with self.assertRaises(exceptions.ValidationError) as e: + validators.validate(12, {"type": "string"}) + self.assertRegex( + str(e.exception), + "(?s)Failed validating '.*' in schema.*On instance", + ) + + def test_schema_error_message(self): + with self.assertRaises(exceptions.SchemaError) as e: + validators.validate(12, {"type": 12}) + self.assertRegex( + str(e.exception), + "(?s)Failed validating '.*' in metaschema.*On schema", + ) + + def test_it_uses_best_match(self): + schema = { + "oneOf": [ + {"type": "number", "minimum": 20}, + {"type": "array"}, + ], + } + with self.assertRaises(exceptions.ValidationError) as e: + validators.validate(12, schema) + self.assertIn("12 is less than the minimum of 20", str(e.exception)) + + +class TestThreading(TestCase): + """ + Threading-related functionality tests. + + jsonschema doesn't promise thread safety, and its validation behavior + across multiple threads may change at any time, but that means it isn't + safe to share *validators* across threads, not that anytime one has + multiple threads that jsonschema won't work (it certainly is intended to). + + These tests ensure that this minimal level of functionality continues to + work. + """ + + def test_validation_across_a_second_thread(self): + failed = [] + + def validate(): + try: + validators.validate(instance=37, schema=True) + except: # pragma: no cover # noqa: E722 + failed.append(sys.exc_info()) + + validate() # just verify it succeeds + + from threading import Thread + thread = Thread(target=validate) + thread.start() + thread.join() + self.assertEqual((thread.is_alive(), failed), (False, [])) + + +class TestReferencing(TestCase): + def test_registry_with_retrieve(self): + def retrieve(uri): + return DRAFT202012.create_resource({"type": "integer"}) + + registry = referencing.Registry(retrieve=retrieve) + schema = {"$ref": "https://example.com/"} + validator = validators.Draft202012Validator(schema, registry=registry) + + self.assertEqual( + (validator.is_valid(12), validator.is_valid("foo")), + (True, False), + ) + + def test_custom_registries_do_not_autoretrieve_remote_resources(self): + registry = referencing.Registry() + schema = {"$ref": "https://example.com/"} + validator = validators.Draft202012Validator(schema, registry=registry) + + with warnings.catch_warnings(record=True) as w: + warnings.simplefilter("always") + with self.assertRaises(referencing.exceptions.Unresolvable): + validator.validate(12) + self.assertFalse(w) + + +class TestRefResolver(TestCase): + + base_uri = "" + stored_uri = "foo://stored" + stored_schema = {"stored": "schema"} + + def setUp(self): + self.referrer = {} + self.store = {self.stored_uri: self.stored_schema} + self.resolver = validators._RefResolver( + self.base_uri, self.referrer, self.store, + ) + + def test_it_does_not_retrieve_schema_urls_from_the_network(self): + ref = validators.Draft3Validator.META_SCHEMA["id"] + with mock.patch.object(self.resolver, "resolve_remote") as patched: # noqa: SIM117 + with self.resolver.resolving(ref) as resolved: + pass + self.assertEqual(resolved, validators.Draft3Validator.META_SCHEMA) + self.assertFalse(patched.called) + + def test_it_resolves_local_refs(self): + ref = "#/properties/foo" + self.referrer["properties"] = {"foo": object()} + with self.resolver.resolving(ref) as resolved: + self.assertEqual(resolved, self.referrer["properties"]["foo"]) + + def test_it_resolves_local_refs_with_id(self): + schema = {"id": "http://bar/schema#", "a": {"foo": "bar"}} + resolver = validators._RefResolver.from_schema( + schema, + id_of=lambda schema: schema.get("id", ""), + ) + with resolver.resolving("#/a") as resolved: + self.assertEqual(resolved, schema["a"]) + with resolver.resolving("http://bar/schema#/a") as resolved: + self.assertEqual(resolved, schema["a"]) + + def test_it_retrieves_stored_refs(self): + with self.resolver.resolving(self.stored_uri) as resolved: + self.assertIs(resolved, self.stored_schema) + + self.resolver.store["cached_ref"] = {"foo": 12} + with self.resolver.resolving("cached_ref#/foo") as resolved: + self.assertEqual(resolved, 12) + + def test_it_retrieves_unstored_refs_via_requests(self): + ref = "http://bar#baz" + schema = {"baz": 12} + + if "requests" in sys.modules: # pragma: no cover + self.addCleanup( + sys.modules.__setitem__, "requests", sys.modules["requests"], + ) + sys.modules["requests"] = ReallyFakeRequests({"http://bar": schema}) + + with self.resolver.resolving(ref) as resolved: + self.assertEqual(resolved, 12) + + def test_it_retrieves_unstored_refs_via_urlopen(self): + ref = "http://bar#baz" + schema = {"baz": 12} + + if "requests" in sys.modules: # pragma: no cover + self.addCleanup( + sys.modules.__setitem__, "requests", sys.modules["requests"], + ) + sys.modules["requests"] = None + + @contextmanager + def fake_urlopen(url): + self.assertEqual(url, "http://bar") + yield BytesIO(json.dumps(schema).encode("utf8")) + + self.addCleanup(setattr, validators, "urlopen", validators.urlopen) + validators.urlopen = fake_urlopen + + with self.resolver.resolving(ref) as resolved: + pass + self.assertEqual(resolved, 12) + + def test_it_retrieves_local_refs_via_urlopen(self): + with tempfile.NamedTemporaryFile(delete=False, mode="wt") as tempf: + self.addCleanup(os.remove, tempf.name) + json.dump({"foo": "bar"}, tempf) + + ref = f"file://{pathname2url(tempf.name)}#foo" + with self.resolver.resolving(ref) as resolved: + self.assertEqual(resolved, "bar") + + def test_it_can_construct_a_base_uri_from_a_schema(self): + schema = {"id": "foo"} + resolver = validators._RefResolver.from_schema( + schema, + id_of=lambda schema: schema.get("id", ""), + ) + self.assertEqual(resolver.base_uri, "foo") + self.assertEqual(resolver.resolution_scope, "foo") + with resolver.resolving("") as resolved: + self.assertEqual(resolved, schema) + with resolver.resolving("#") as resolved: + self.assertEqual(resolved, schema) + with resolver.resolving("foo") as resolved: + self.assertEqual(resolved, schema) + with resolver.resolving("foo#") as resolved: + self.assertEqual(resolved, schema) + + def test_it_can_construct_a_base_uri_from_a_schema_without_id(self): + schema = {} + resolver = validators._RefResolver.from_schema(schema) + self.assertEqual(resolver.base_uri, "") + self.assertEqual(resolver.resolution_scope, "") + with resolver.resolving("") as resolved: + self.assertEqual(resolved, schema) + with resolver.resolving("#") as resolved: + self.assertEqual(resolved, schema) + + def test_custom_uri_scheme_handlers(self): + def handler(url): + self.assertEqual(url, ref) + return schema + + schema = {"foo": "bar"} + ref = "foo://bar" + resolver = validators._RefResolver("", {}, handlers={"foo": handler}) + with resolver.resolving(ref) as resolved: + self.assertEqual(resolved, schema) + + def test_cache_remote_on(self): + response = [object()] + + def handler(url): + try: + return response.pop() + except IndexError: # pragma: no cover + self.fail("Response must not have been cached!") + + ref = "foo://bar" + resolver = validators._RefResolver( + "", {}, cache_remote=True, handlers={"foo": handler}, + ) + with resolver.resolving(ref): + pass + with resolver.resolving(ref): + pass + + def test_cache_remote_off(self): + response = [object()] + + def handler(url): + try: + return response.pop() + except IndexError: # pragma: no cover + self.fail("Handler called twice!") + + ref = "foo://bar" + resolver = validators._RefResolver( + "", {}, cache_remote=False, handlers={"foo": handler}, + ) + with resolver.resolving(ref): + pass + + def test_if_you_give_it_junk_you_get_a_resolution_error(self): + error = ValueError("Oh no! What's this?") + + def handler(url): + raise error + + ref = "foo://bar" + resolver = validators._RefResolver("", {}, handlers={"foo": handler}) + with self.assertRaises(exceptions._RefResolutionError) as err: # noqa: SIM117 + with resolver.resolving(ref): + self.fail("Shouldn't get this far!") # pragma: no cover + self.assertEqual(err.exception, exceptions._RefResolutionError(error)) + + def test_helpful_error_message_on_failed_pop_scope(self): + resolver = validators._RefResolver("", {}) + resolver.pop_scope() + with self.assertRaises(exceptions._RefResolutionError) as exc: + resolver.pop_scope() + self.assertIn("Failed to pop the scope", str(exc.exception)) + + def test_pointer_within_schema_with_different_id(self): + """ + See #1085. + """ + schema = validators.Draft7Validator.META_SCHEMA + one = validators._RefResolver("", schema) + validator = validators.Draft7Validator(schema, resolver=one) + self.assertFalse(validator.is_valid({"maxLength": "foo"})) + + another = { + "allOf": [{"$ref": validators.Draft7Validator.META_SCHEMA["$id"]}], + } + two = validators._RefResolver("", another) + validator = validators.Draft7Validator(another, resolver=two) + self.assertFalse(validator.is_valid({"maxLength": "foo"})) + + def test_newly_created_validator_with_ref_resolver(self): + """ + See https://github.com/python-jsonschema/jsonschema/issues/1061#issuecomment-1624266555. + """ + + def handle(uri): + self.assertEqual(uri, "http://example.com/foo") + return {"type": "integer"} + + resolver = validators._RefResolver("", {}, handlers={"http": handle}) + Validator = validators.create( + meta_schema={}, + validators=validators.Draft4Validator.VALIDATORS, + ) + schema = {"$id": "http://example.com/bar", "$ref": "foo"} + validator = Validator(schema, resolver=resolver) + self.assertEqual( + (validator.is_valid({}), validator.is_valid(37)), + (False, True), + ) + + def test_refresolver_with_pointer_in_schema_with_no_id(self): + """ + See https://github.com/python-jsonschema/jsonschema/issues/1124#issuecomment-1632574249. + """ + + schema = { + "properties": {"x": {"$ref": "#/definitions/x"}}, + "definitions": {"x": {"type": "integer"}}, + } + + validator = validators.Draft202012Validator( + schema, + resolver=validators._RefResolver("", schema), + ) + self.assertEqual( + (validator.is_valid({"x": "y"}), validator.is_valid({"x": 37})), + (False, True), + ) + + + +def sorted_errors(errors): + def key(error): + return ( + [str(e) for e in error.path], + [str(e) for e in error.schema_path], + ) + return sorted(errors, key=key) + + +@define +class ReallyFakeRequests: + + _responses: dict[str, Any] + + def get(self, url): + response = self._responses.get(url) + if url is None: # pragma: no cover + raise ValueError("Unknown URL: " + repr(url)) + return _ReallyFakeJSONResponse(json.dumps(response)) + + +@define +class _ReallyFakeJSONResponse: + + _response: str + + def json(self): + return json.loads(self._response) |