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# -*- coding: utf-8 -*-
from decimal import Decimal
from pkg_resources import Distribution, DistributionNotFound
from pytest import mark
from cerberus import TypeDefinition, Validator
from cerberus.tests import assert_fail, assert_success
from cerberus.utils import validator_factory
from cerberus.validator import BareValidator
from cerberus.platform import PYTHON_VERSION
if PYTHON_VERSION > 3 and PYTHON_VERSION < 3.4:
from imp import reload
elif PYTHON_VERSION >= 3.4:
from importlib import reload
else:
pass # Python 2.x
def test_pkgresources_version(monkeypatch):
def create_fake_distribution(name):
return Distribution(project_name="cerberus", version="1.2.3")
with monkeypatch.context() as m:
cerberus = __import__("cerberus")
m.setattr("pkg_resources.get_distribution", create_fake_distribution)
reload(cerberus)
assert cerberus.__version__ == "1.2.3"
def test_version_not_found(monkeypatch):
def raise_distribution_not_found(name):
raise DistributionNotFound("pkg_resources cannot get distribution")
with monkeypatch.context() as m:
cerberus = __import__("cerberus")
m.setattr("pkg_resources.get_distribution", raise_distribution_not_found)
reload(cerberus)
assert cerberus.__version__ == "unknown"
def test_clear_cache(validator):
assert len(validator._valid_schemas) > 0
validator.clear_caches()
assert len(validator._valid_schemas) == 0
def test_docstring(validator):
assert validator.__doc__
# Test that testing with the sample schema works as expected
# as there might be rules with side-effects in it
@mark.parametrize(
"test,document",
((assert_fail, {"an_integer": 60}), (assert_success, {"an_integer": 110})),
)
def test_that_test_fails(test, document):
try:
test(document)
except AssertionError:
pass
else:
raise AssertionError("test didn't fail")
def test_dynamic_types():
decimal_type = TypeDefinition("decimal", (Decimal,), ())
document = {"measurement": Decimal(0)}
schema = {"measurement": {"type": "decimal"}}
validator = Validator()
validator.types_mapping["decimal"] = decimal_type
assert_success(document, schema, validator)
class MyValidator(Validator):
types_mapping = Validator.types_mapping.copy()
types_mapping["decimal"] = decimal_type
validator = MyValidator()
assert_success(document, schema, validator)
def test_mro():
assert Validator.__mro__ == (Validator, BareValidator, object), Validator.__mro__
def test_mixin_init():
class Mixin(object):
def __init__(self, *args, **kwargs):
kwargs["test"] = True
super(Mixin, self).__init__(*args, **kwargs)
MyValidator = validator_factory("MyValidator", Mixin)
validator = MyValidator()
assert validator._config["test"]
def test_sub_init():
class MyValidator(Validator):
def __init__(self, *args, **kwargs):
kwargs["test"] = True
super(MyValidator, self).__init__(*args, **kwargs)
validator = MyValidator()
assert validator._config["test"]
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