1# Copyright 2020 Google LLC
2#
3# Licensed under the Apache License, Version 2.0 (the "License");
4# you may not use this file except in compliance with the License.
5# You may obtain a copy of the License at
6#
7#      http://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS,
11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12# See the License for the specific language governing permissions and
13# limitations under the License.
14
15import os
16import sys
17
18import mock
19import pytest
20
21
22def pytest_configure():
23    """Load public certificate and private key."""
24    pytest.data_dir = os.path.join(
25        os.path.abspath(os.path.join(__file__, "../..")), "tests/data"
26    )
27
28    with open(os.path.join(pytest.data_dir, "privatekey.pem"), "rb") as fh:
29        pytest.private_key_bytes = fh.read()
30
31    with open(os.path.join(pytest.data_dir, "public_cert.pem"), "rb") as fh:
32        pytest.public_cert_bytes = fh.read()
33
34
35@pytest.fixture
36def mock_non_existent_module(monkeypatch):
37    """Mocks a non-existing module in sys.modules.
38
39    Additionally mocks any non-existing modules specified in the dotted path.
40    """
41
42    def _mock_non_existent_module(path):
43        parts = path.split(".")
44        partial = []
45        for part in parts:
46            partial.append(part)
47            current_module = ".".join(partial)
48            if current_module not in sys.modules:
49                monkeypatch.setitem(sys.modules, current_module, mock.MagicMock())
50
51    return _mock_non_existent_module
52