def test_permission_dependency_factory_wraps_callable_resource(mocker):
mocker.patch("fastapi_permissions.Depends")
from fastapi_permissions import Depends, permission_dependency_factory
permission_dependency_factory(
"view",
dummy_resource_callable,
"active_principals_func",
"permisssion_exception",
)
assert Depends.call_count == 2
assert Depends.call_args_list[0] == mocker.call(dummy_resource_callable)
def test_permission_dependency_raises_exception(mocker):
""" If a user dosen't have a permission, a exception should be raised """
mocker.patch("fastapi_permissions.has_permission", return_value=False)
mocker.patch("fastapi_permissions.Depends")
from fastapi import HTTPException
from fastapi_permissions import (
Depends,
permission_exception,
permission_dependency_factory,
)
# since the resulting permission function is wrapped in Depends()
# we need to extract it from the mock
permission_func = permission_dependency_factory(
"view",
dummy_resource_callable,
"active_principals_func",
permission_exception,
)
assert Depends.call_count == 2
args, kwargs = Depends.call_args_list[1]
permission_func = args[0]
with pytest.raises(HTTPException):
permission_func()
def test_permission_dependency_returns_requested_resource(mocker):
""" If a user has a permission, the resource should be returned """
mocker.patch("fastapi_permissions.has_permission", return_value=True)
mocker.patch("fastapi_permissions.Depends")
from fastapi_permissions import Depends, permission_dependency_factory
# since the resulting permission function is wrapped in Depends()
# we need to extract it from the mock
permission_dependency_factory(
"view",
dummy_resource_callable,
"active_principals_func",
"permisssion_exception",
)
assert Depends.call_count == 2
args, kwargs = Depends.call_args_list[1]
permission_func = args[0]
result = permission_func()
assert result == Depends(dummy_resource_callable)
def test_permission_dependency_factory_returns_correct_signature(mocker):
mocker.patch("fastapi_permissions.Depends")
from fastapi_permissions import Depends, permission_dependency_factory
permission_func = permission_dependency_factory(
"view",
dummy_resource_callable,
"active_principals_func",
"permisssion_exception",
)
assert Depends.call_count == 2
args, kwargs = Depends.call_args_list[1]
permission_func = args[0]
assert callable(permission_func)
parameters = inspect.signature(permission_func).parameters
print(parameters)
assert len(parameters) == 2
assert parameters["resource"].default == Depends(dummy_resource_callable)
assert parameters["principals"].default == "active_principals_func"