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from unittest.mock import Mock
import pytest
from jsonschema.exceptions import RefResolutionError
from jsonschema.validators import RefResolver
from swagger_spec_validator.validator20 import deref
def test_none():
assert deref(None, Mock(spec=RefResolver)) is None
def test_not_dict():
assert deref(1, Mock(spec=RefResolver)) == 1
def test_not_ref():
input = {"type": "object"}
assert deref(input, Mock(spec=RefResolver)) == input
def test_ref():
ref_dict = {"$ref": "#/definitions/Foo"}
definitions = {"definitions": {"Foo": "bar"}}
assert deref(ref_dict, RefResolver("", definitions)) == "bar"
def test_ref_not_found():
ref_dict = {"$ref": "#/definitions/Foo"}
definitions = {}
with pytest.raises(RefResolutionError) as excinfo:
deref(ref_dict, RefResolver("", definitions))
assert "Unresolvable JSON pointer" in str(excinfo.value)
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