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# Copyright 2020 Google LLC
#
# 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.
"""Test the functionality of the utils module's functions:
1. is_fuzz_target_local
2. get_fuzz_targets
3. get_env_var
"""
import os
import unittest
import utils
import helper
EXAMPLE_PROJECT = 'example'
class IsFuzzTargetLocalUnitTest(unittest.TestCase):
"""Test is_fuzz_target_local function in the utils module."""
def test_invalid_filepath(self):
"""Test the function with an invalid file path."""
is_local = utils.is_fuzz_target_local('not/a/real/file')
self.assertFalse(is_local)
is_local = utils.is_fuzz_target_local('')
self.assertFalse(is_local)
is_local = utils.is_fuzz_target_local(' ')
self.assertFalse(is_local)
def test_valid_filepath(self):
"""Checks is_fuzz_target_local function with a valid filepath."""
utils.chdir_to_root()
helper.build_fuzzers_impl(EXAMPLE_PROJECT,
True,
'libfuzzer',
'address',
'x86_64', [],
None,
no_cache=False,
mount_location=None)
is_local = utils.is_fuzz_target_local(
os.path.join(helper.OSSFUZZ_DIR, 'build', 'out', EXAMPLE_PROJECT,
'do_stuff_fuzzer'))
self.assertTrue(is_local)
is_local = utils.is_fuzz_target_local(
os.path.join(helper.OSSFUZZ_DIR, 'build', 'out', EXAMPLE_PROJECT,
'do_stuff_fuzzer.dict'))
self.assertFalse(is_local)
class GetFuzzTargetsUnitTest(unittest.TestCase):
"""Test get_fuzz_targets function in the utils module."""
def test_valid_filepath(self):
"""Tests that fuzz targets can be retrieved once the fuzzers are built."""
utils.chdir_to_root()
helper.build_fuzzers_impl(EXAMPLE_PROJECT,
True,
'libfuzzer',
'address',
'x86_64', [],
None,
no_cache=False,
mount_location=None)
fuzz_targets = utils.get_fuzz_targets(
os.path.join(helper.OSSFUZZ_DIR, 'build', 'out', EXAMPLE_PROJECT))
self.assertCountEqual(fuzz_targets, [
os.path.join(helper.OSSFUZZ_DIR, 'build', 'out', EXAMPLE_PROJECT,
'do_stuff_fuzzer')
])
fuzz_targets = utils.get_fuzz_targets(
os.path.join(helper.OSSFUZZ_DIR, 'infra'))
self.assertFalse(fuzz_targets)
def test_invalid_filepath(self):
"""Tests what get_fuzz_targets return when invalid filepath is used."""
utils.chdir_to_root()
helper.build_fuzzers_impl(EXAMPLE_PROJECT,
True,
'libfuzzer',
'address',
'x86_64', [],
None,
no_cache=False,
mount_location=None)
fuzz_targets = utils.get_fuzz_targets('not/a/valid/file/path')
self.assertFalse(fuzz_targets)
if __name__ == '__main__':
unittest.main()
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