#
# Copyright (c) 2021, NVIDIA CORPORATION. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

import pytest
from polygraphy.backend.base import BaseLoader
from polygraphy.exception import PolygraphyInternalException


def test_loader_checks_call_constant_method():
    class BadLoader(BaseLoader):
        def __init__(self):
            self.x = 2

        def call_impl(self):
            self.x = 3

    with pytest.raises(PolygraphyInternalException):
        BadLoader()()
