mirror of https://github.com/google/oss-fuzz.git
88 lines
3.2 KiB
Python
88 lines
3.2 KiB
Python
# Copyright 2021 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Tests for affected_fuzz_targets.py"""
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import os
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import shutil
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import tempfile
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import unittest
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from unittest import mock
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import parameterized
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import affected_fuzz_targets
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import clusterfuzz_deployment
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import docker
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import test_helpers
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# pylint: disable=protected-access
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# NOTE: This integration test relies on
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# https://github.com/google/oss-fuzz/tree/master/projects/example project.
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EXAMPLE_PROJECT = 'example'
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EXAMPLE_FILE_CHANGED = 'test.txt'
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TEST_DATA_OUT_PATH = os.path.join(os.path.dirname(os.path.abspath(__file__)),
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'test_data', 'build-out')
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class RemoveUnaffectedFuzzTargets(unittest.TestCase):
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"""Tests remove_unaffected_fuzzers."""
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TEST_FUZZER_1 = os.path.join(TEST_DATA_OUT_PATH, 'example_crash_fuzzer')
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TEST_FUZZER_2 = os.path.join(TEST_DATA_OUT_PATH, 'example_nocrash_fuzzer')
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# yapf: disable
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@parameterized.parameterized.expand([
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# Tests a specific affected fuzzers is kept.
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([[EXAMPLE_FILE_CHANGED], None], 2,),
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# Tests specific affected fuzzer is kept.
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([[EXAMPLE_FILE_CHANGED], ['not/a/real/file']], 1),
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# Tests all fuzzers are kept if none are deemed affected.
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([None, None], 2),
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# Tests that multiple fuzzers are kept if multiple fuzzers are affected.
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([[EXAMPLE_FILE_CHANGED], [EXAMPLE_FILE_CHANGED]], 2),
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])
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# yapf: enable
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def test_remove_unaffected_fuzz_targets(self, side_effect, expected_dir_len):
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"""Tests that remove_unaffected_fuzzers has the intended effect."""
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config = test_helpers.create_run_config(is_github=True,
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project_name=EXAMPLE_PROJECT,
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workspace='/workspace')
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workspace = docker.Workspace(config)
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deployment = clusterfuzz_deployment.get_clusterfuzz_deployment(
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config, workspace)
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# We can't use fakefs in this test because this test executes
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# utils.is_fuzz_target_local. This function relies on the executable bit
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# being set, which doesn't work properly in fakefs.
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with tempfile.TemporaryDirectory() as tmp_dir, mock.patch(
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'get_coverage.OSSFuzzCoverage.get_files_covered_by_target'
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) as mocked_get_files:
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with mock.patch('get_coverage._get_oss_fuzz_fuzzer_stats_dir_url',
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return_value=1):
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mocked_get_files.side_effect = side_effect
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shutil.copy(self.TEST_FUZZER_1, tmp_dir)
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shutil.copy(self.TEST_FUZZER_2, tmp_dir)
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affected_fuzz_targets.remove_unaffected_fuzz_targets(
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deployment, tmp_dir, [EXAMPLE_FILE_CHANGED], '')
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self.assertEqual(expected_dir_len, len(os.listdir(tmp_dir)))
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if __name__ == '__main__':
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unittest.main()
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