ok
Mini Shell
from collections import deque
from contextlib import contextmanager
import json
from jsonschema import FormatChecker, ValidationError
from jsonschema.tests.compat import mock, unittest
from jsonschema.validators import (
RefResolutionError, UnknownType, Draft3Validator,
Draft4Validator, RefResolver, create, extend, validator_for, validate,
)
class TestCreateAndExtend(unittest.TestCase):
def setUp(self):
self.meta_schema = {u"properties": {u"smelly": {}}}
self.smelly = mock.MagicMock()
self.validators = {u"smelly": self.smelly}
self.types = {u"dict": dict}
self.Validator = create(
meta_schema=self.meta_schema,
validators=self.validators,
default_types=self.types,
)
self.validator_value = 12
self.schema = {u"smelly": self.validator_value}
self.validator = self.Validator(self.schema)
def test_attrs(self):
self.assertEqual(self.Validator.VALIDATORS, self.validators)
self.assertEqual(self.Validator.META_SCHEMA, self.meta_schema)
self.assertEqual(self.Validator.DEFAULT_TYPES, self.types)
def test_init(self):
self.assertEqual(self.validator.schema, self.schema)
def test_iter_errors(self):
instance = "hello"
self.smelly.return_value = []
self.assertEqual(list(self.validator.iter_errors(instance)), [])
error = mock.Mock()
self.smelly.return_value = [error]
self.assertEqual(list(self.validator.iter_errors(instance)), [error])
self.smelly.assert_called_with(
self.validator, self.validator_value, instance, self.schema,
)
def test_if_a_version_is_provided_it_is_registered(self):
with mock.patch("jsonschema.validators.validates") as validates:
validates.side_effect = lambda version: lambda cls: cls
Validator = create(meta_schema={u"id": ""}, version="my version")
validates.assert_called_once_with("my version")
self.assertEqual(Validator.__name__, "MyVersionValidator")
def test_if_a_version_is_not_provided_it_is_not_registered(self):
with mock.patch("jsonschema.validators.validates") as validates:
create(meta_schema={u"id": "id"})
self.assertFalse(validates.called)
def test_extend(self):
validators = dict(self.Validator.VALIDATORS)
new = mock.Mock()
Extended = extend(self.Validator, validators={u"a new one": new})
validators.update([(u"a new one", new)])
self.assertEqual(Extended.VALIDATORS, validators)
self.assertNotIn(u"a new one", self.Validator.VALIDATORS)
self.assertEqual(Extended.META_SCHEMA, self.Validator.META_SCHEMA)
self.assertEqual(Extended.DEFAULT_TYPES, self.Validator.DEFAULT_TYPES)
class TestIterErrors(unittest.TestCase):
def setUp(self):
self.validator = Draft3Validator({})
def test_iter_errors(self):
instance = [1, 2]
schema = {
u"disallow": u"array",
u"enum": [["a", "b", "c"], ["d", "e", "f"]],
u"minItems": 3,
}
got = (e.message for e in self.validator.iter_errors(instance, schema))
expected = [
"%r is disallowed for [1, 2]" % (schema["disallow"],),
"[1, 2] is too short",
"[1, 2] is not one of %r" % (schema["enum"],),
]
self.assertEqual(sorted(got), sorted(expected))
def test_iter_errors_multiple_failures_one_validator(self):
instance = {"foo": 2, "bar": [1], "baz": 15, "quux": "spam"}
schema = {
u"properties": {
"foo": {u"type": "string"},
"bar": {u"minItems": 2},
"baz": {u"maximum": 10, u"enum": [2, 4, 6, 8]},
},
}
errors = list(self.validator.iter_errors(instance, schema))
self.assertEqual(len(errors), 4)
class TestValidationErrorMessages(unittest.TestCase):
def message_for(self, instance, schema, *args, **kwargs):
kwargs.setdefault("cls", Draft3Validator)
with self.assertRaises(ValidationError) as e:
validate(instance, schema, *args, **kwargs)
return e.exception.message
def test_single_type_failure(self):
message = self.message_for(instance=1, schema={u"type": u"string"})
self.assertEqual(message, "1 is not of type %r" % u"string")
def test_single_type_list_failure(self):
message = self.message_for(instance=1, schema={u"type": [u"string"]})
self.assertEqual(message, "1 is not of type %r" % u"string")
def test_multiple_type_failure(self):
types = u"string", u"object"
message = self.message_for(instance=1, schema={u"type": list(types)})
self.assertEqual(message, "1 is not of type %r, %r" % types)
def test_object_without_title_type_failure(self):
type = {u"type": [{u"minimum": 3}]}
message = self.message_for(instance=1, schema={u"type": [type]})
self.assertEqual(message, "1 is not of type %r" % (type,))
def test_object_with_name_type_failure(self):
name = "Foo"
schema = {u"type": [{u"name": name, u"minimum": 3}]}
message = self.message_for(instance=1, schema=schema)
self.assertEqual(message, "1 is not of type %r" % (name,))
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_failure_has_single_element_not_list(self):
depend, on = "bar", "foo"
schema = {u"dependencies": {depend: on}}
message = self.message_for({"bar": 2}, schema)
self.assertEqual(message, "%r is a dependency of %r" % (on, depend))
def test_additionalItems_single_failure(self):
message = self.message_for(
[2], {u"items": [], u"additionalItems": False},
)
self.assertIn("(2 was unexpected)", message)
def test_additionalItems_multiple_failures(self):
message = self.message_for(
[1, 2, 3], {u"items": [], u"additionalItems": False}
)
self.assertIn("(1, 2, 3 were unexpected)", message)
def test_additionalProperties_single_failure(self):
additional = "foo"
schema = {u"additionalProperties": False}
message = self.message_for({additional: 2}, schema)
self.assertIn("(%r was unexpected)" % (additional,), message)
def test_additionalProperties_multiple_failures(self):
schema = {u"additionalProperties": False}
message = self.message_for(dict.fromkeys(["foo", "bar"]), schema)
self.assertIn(repr("foo"), message)
self.assertIn(repr("bar"), message)
self.assertIn("were unexpected)", message)
def test_invalid_format_default_message(self):
checker = FormatChecker(formats=())
check_fn = mock.Mock(return_value=False)
checker.checks(u"thing")(check_fn)
schema = {u"format": u"thing"}
message = self.message_for("bla", 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 = {u"type": u"object",
u"additionalProperties": False,
u"patternProperties": {
u"^abc$": {u"type": u"string"},
u"^def$": {u"type": u"string"}
}}
message = self.message_for({u"zebra": 123}, schema,
cls=Draft4Validator)
self.assertEqual(
message,
"{} does not match any of the regexes: {}, {}".format(
repr(u"zebra"), repr(u"^abc$"), repr(u"^def$"),
),
)
message = self.message_for({u"zebra": 123, u"fish": 456}, schema,
cls=Draft4Validator)
self.assertEqual(
message,
"{}, {} do not match any of the regexes: {}, {}".format(
repr(u"fish"), repr(u"zebra"), repr(u"^abc$"), repr(u"^def$")
),
)
class TestValidationErrorDetails(unittest.TestCase):
# TODO: These really need unit tests for each individual validator, rather
# than just these higher level tests.
def test_anyOf(self):
instance = 5
schema = {
"anyOf": [
{"minimum": 20},
{"type": "string"},
],
}
validator = 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.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.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.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 = 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.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.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, {u"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.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 = 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.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 = 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.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": {"$ref": "#/definitions/node"}},
}
instance = {
"root": {
"name": "root",
"children": {
"a": {
"name": "a",
"children": {
"ab": {
"name": "ab",
# missing "children"
},
},
},
},
},
}
validator = Draft4Validator(schema)
e, = validator.iter_errors(instance)
self.assertEqual(e.absolute_path, deque(["root"]))
self.assertEqual(
e.absolute_schema_path, deque(["properties", "root", "anyOf"]),
)
e1, = e.context
self.assertEqual(e1.absolute_path, deque(["root", "children", "a"]))
self.assertEqual(
e1.absolute_schema_path, deque(
[
"properties",
"root",
"anyOf",
0,
"properties",
"children",
"patternProperties",
"^.*$",
"anyOf",
],
),
)
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",
],
),
)
def test_additionalProperties(self):
instance = {"bar": "bar", "foo": 2}
schema = {"additionalProperties": {"type": "integer", "minimum": 5}}
validator = 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.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 = 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.validator, "type")
self.assertEqual(e2.validator, "minimum")
def test_additionalItems(self):
instance = ["foo", 1]
schema = {
"items": [],
"additionalItems": {"type": "integer", "minimum": 5},
}
validator = 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.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 = 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.validator, "type")
self.assertEqual(e2.validator, "minimum")
class ValidatorTestMixin(object):
def setUp(self):
self.instance = mock.Mock()
self.schema = {}
self.resolver = mock.Mock()
self.validator = self.validator_class(self.schema)
def test_valid_instances_are_valid(self):
errors = iter([])
with mock.patch.object(
self.validator, "iter_errors", return_value=errors,
):
self.assertTrue(
self.validator.is_valid(self.instance, self.schema)
)
def test_invalid_instances_are_not_valid(self):
errors = iter([mock.Mock()])
with mock.patch.object(
self.validator, "iter_errors", return_value=errors,
):
self.assertFalse(
self.validator.is_valid(self.instance, self.schema)
)
def test_non_existent_properties_are_ignored(self):
instance, my_property, my_value = mock.Mock(), mock.Mock(), mock.Mock()
validate(instance=instance, schema={my_property: my_value})
def test_it_creates_a_ref_resolver_if_not_provided(self):
self.assertIsInstance(self.validator.resolver, RefResolver)
def test_it_delegates_to_a_ref_resolver(self):
resolver = RefResolver("", {})
schema = {"$ref": mock.Mock()}
with mock.patch.object(resolver, "resolve") as resolve:
resolve.return_value = "url", {"type": "integer"}
with self.assertRaises(ValidationError):
self.validator_class(schema, resolver=resolver).validate(None)
resolve.assert_called_once_with(schema["$ref"])
def test_it_delegates_to_a_legacy_ref_resolver(self):
"""
Legacy RefResolvers support only the context manager form of
resolution.
"""
class LegacyRefResolver(object):
@contextmanager
def resolving(this, ref):
self.assertEqual(ref, "the ref")
yield {"type": "integer"}
resolver = LegacyRefResolver()
schema = {"$ref": "the ref"}
with self.assertRaises(ValidationError):
self.validator_class(schema, resolver=resolver).validate(None)
def test_is_type_is_true_for_valid_type(self):
self.assertTrue(self.validator.is_type("foo", "string"))
def test_is_type_is_false_for_invalid_type(self):
self.assertFalse(self.validator.is_type("foo", "array"))
def test_is_type_evades_bool_inheriting_from_int(self):
self.assertFalse(self.validator.is_type(True, "integer"))
self.assertFalse(self.validator.is_type(True, "number"))
def test_is_type_raises_exception_for_unknown_type(self):
with self.assertRaises(UnknownType):
self.validator.is_type("foo", object())
class TestDraft3Validator(ValidatorTestMixin, unittest.TestCase):
validator_class = Draft3Validator
def test_is_type_is_true_for_any_type(self):
self.assertTrue(self.validator.is_valid(mock.Mock(), {"type": "any"}))
def test_is_type_does_not_evade_bool_if_it_is_being_tested(self):
self.assertTrue(self.validator.is_type(True, "boolean"))
self.assertTrue(self.validator.is_valid(True, {"type": "any"}))
def test_non_string_custom_types(self):
schema = {'type': [None]}
cls = self.validator_class(schema, types={None: type(None)})
cls.validate(None, schema)
class TestDraft4Validator(ValidatorTestMixin, unittest.TestCase):
validator_class = Draft4Validator
class TestBuiltinFormats(unittest.TestCase):
"""
The built-in (specification-defined) formats do not raise type errors.
If an instance or value is not a string, it should be ignored.
"""
for format in FormatChecker.checkers:
def test(self, format=format):
v = Draft4Validator({"format": format}, format_checker=FormatChecker())
v.validate(123)
name = "test_{0}_ignores_non_strings".format(format)
test.__name__ = name
setattr(TestBuiltinFormats, name, test)
del test # Ugh py.test. Stop discovering top level tests.
class TestValidatorFor(unittest.TestCase):
def test_draft_3(self):
schema = {"$schema": "http://json-schema.org/draft-03/schema"}
self.assertIs(validator_for(schema), Draft3Validator)
schema = {"$schema": "http://json-schema.org/draft-03/schema#"}
self.assertIs(validator_for(schema), Draft3Validator)
def test_draft_4(self):
schema = {"$schema": "http://json-schema.org/draft-04/schema"}
self.assertIs(validator_for(schema), Draft4Validator)
schema = {"$schema": "http://json-schema.org/draft-04/schema#"}
self.assertIs(validator_for(schema), Draft4Validator)
def test_custom_validator(self):
Validator = create(meta_schema={"id": "meta schema id"}, version="12")
schema = {"$schema": "meta schema id"}
self.assertIs(validator_for(schema), Validator)
def test_validator_for_jsonschema_default(self):
self.assertIs(validator_for({}), Draft4Validator)
def test_validator_for_custom_default(self):
self.assertIs(validator_for({}, default=None), None)
class TestValidate(unittest.TestCase):
def test_draft3_validator_is_chosen(self):
schema = {"$schema": "http://json-schema.org/draft-03/schema#"}
with mock.patch.object(Draft3Validator, "check_schema") as chk_schema:
validate({}, schema)
chk_schema.assert_called_once_with(schema)
# Make sure it works without the empty fragment
schema = {"$schema": "http://json-schema.org/draft-03/schema"}
with mock.patch.object(Draft3Validator, "check_schema") as chk_schema:
validate({}, schema)
chk_schema.assert_called_once_with(schema)
def test_draft4_validator_is_chosen(self):
schema = {"$schema": "http://json-schema.org/draft-04/schema#"}
with mock.patch.object(Draft4Validator, "check_schema") as chk_schema:
validate({}, schema)
chk_schema.assert_called_once_with(schema)
def test_draft4_validator_is_the_default(self):
with mock.patch.object(Draft4Validator, "check_schema") as chk_schema:
validate({}, {})
chk_schema.assert_called_once_with({})
class TestRefResolver(unittest.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 = RefResolver(self.base_uri, self.referrer, self.store)
def test_it_does_not_retrieve_schema_urls_from_the_network(self):
ref = Draft3Validator.META_SCHEMA["id"]
with mock.patch.object(self.resolver, "resolve_remote") as remote:
with self.resolver.resolving(ref) as resolved:
self.assertEqual(resolved, Draft3Validator.META_SCHEMA)
self.assertFalse(remote.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 = RefResolver.from_schema(schema)
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}
with mock.patch("jsonschema.validators.requests") as requests:
requests.get.return_value.json.return_value = schema
with self.resolver.resolving(ref) as resolved:
self.assertEqual(resolved, 12)
requests.get.assert_called_once_with("http://bar")
def test_it_retrieves_unstored_refs_via_urlopen(self):
ref = "http://bar#baz"
schema = {"baz": 12}
with mock.patch("jsonschema.validators.requests", None):
with mock.patch("jsonschema.validators.urlopen") as urlopen:
urlopen.return_value.read.return_value = (
json.dumps(schema).encode("utf8"))
with self.resolver.resolving(ref) as resolved:
self.assertEqual(resolved, 12)
urlopen.assert_called_once_with("http://bar")
def test_it_can_construct_a_base_uri_from_a_schema(self):
schema = {"id": "foo"}
resolver = RefResolver.from_schema(schema)
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 = 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):
schema = {"foo": "bar"}
ref = "foo://bar"
foo_handler = mock.Mock(return_value=schema)
resolver = RefResolver("", {}, handlers={"foo": foo_handler})
with resolver.resolving(ref) as resolved:
self.assertEqual(resolved, schema)
foo_handler.assert_called_once_with(ref)
def test_cache_remote_on(self):
ref = "foo://bar"
foo_handler = mock.Mock()
resolver = RefResolver(
"", {}, cache_remote=True, handlers={"foo": foo_handler},
)
with resolver.resolving(ref):
pass
with resolver.resolving(ref):
pass
foo_handler.assert_called_once_with(ref)
def test_cache_remote_off(self):
ref = "foo://bar"
foo_handler = mock.Mock()
resolver = RefResolver(
"", {}, cache_remote=False, handlers={"foo": foo_handler},
)
with resolver.resolving(ref):
pass
self.assertEqual(foo_handler.call_count, 1)
def test_if_you_give_it_junk_you_get_a_resolution_error(self):
ref = "foo://bar"
foo_handler = mock.Mock(side_effect=ValueError("Oh no! What's this?"))
resolver = RefResolver("", {}, handlers={"foo": foo_handler})
with self.assertRaises(RefResolutionError) as err:
with resolver.resolving(ref):
pass
self.assertEqual(str(err.exception), "Oh no! What's this?")
def test_helpful_error_message_on_failed_pop_scope(self):
resolver = RefResolver("", {})
resolver.pop_scope()
with self.assertRaises(RefResolutionError) as exc:
resolver.pop_scope()
self.assertIn("Failed to pop the scope", str(exc.exception))
class UniqueTupleItemsMixin(object):
"""
A tuple instance properly formats validation errors for uniqueItems.
See https://github.com/Julian/jsonschema/pull/224
"""
def test_it_properly_formats_an_error_message(self):
validator = self.validator_class(
schema={"uniqueItems": True},
types={"array": (tuple,)},
)
with self.assertRaises(ValidationError) as e:
validator.validate((1, 1))
self.assertIn("(1, 1) has non-unique elements", str(e.exception))
class TestDraft4UniqueTupleItems(UniqueTupleItemsMixin, unittest.TestCase):
validator_class = Draft4Validator
class TestDraft3UniqueTupleItems(UniqueTupleItemsMixin, unittest.TestCase):
validator_class = Draft3Validator
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)
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