# Copyright (c) 2021 PaddlePaddle Authors. 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 unittest

from dist_pass_test_base import PassConflictChecker
from model_zoo import resnet_model

from paddle.distributed.passes import new_pass


class CheckPassConflictTest1(PassConflictChecker):
    def pass_config(self):
        return [
            new_pass("fuse_all_reduce", {"max_memory_size": 1024 * 1024}),
            new_pass("fuse_elewise_add_act"),
        ]

    def test_resnet(self):
        self.check_main(resnet_model, batch_size=32)


class CheckPassConflictTest2(PassConflictChecker):
    def pass_config(self):
        return [
            new_pass("fuse_elewise_add_act"),
            new_pass("fuse_all_reduce", {"max_memory_size": 1024 * 1024}),
        ]

    def test_resnet(self):
        with self.assertRaises(Exception):  # noqa: B017
            self.check_main(resnet_model, batch_size=32)


if __name__ == "__main__":
    unittest.main()