# Copyright (c) 2021 Graphcore Ltd. 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 gc
import os
import subprocess
from pathlib import Path
import pytest


@pytest.fixture(autouse=True)
def cleanup():
    # Explicitly clean up to make sure we detach from the IPU and
    # free the graph before the next test starts.
    gc.collect()


def pytest_sessionstart(session):
    # Builds the custom ops
    subprocess.run(["make"], cwd=Path(__file__).parent.parent.resolve())
