oss-fuzz/infra/ci/build_test.py

94 lines
3.0 KiB
Python

# 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.
#
################################################################################
"""Tests for build.py"""
import os
import unittest
from unittest import mock
from ci import build
def patch_environ(testcase_obj):
"""Patch environment."""
env = {}
patcher = mock.patch.dict(os.environ, env)
testcase_obj.addCleanup(patcher.stop)
patcher.start()
def _set_coverage_build():
"""Set the right environment variables for a coverage build."""
os.environ['SANITIZER'] = 'coverage'
os.environ['ENGINE'] = 'libfuzzer'
os.environ['ARCHITECTURE'] = 'x86_64'
class TestShouldBuild(unittest.TestCase):
"""Tests that should_build() works as intended."""
def setUp(self):
patch_environ(self)
def test_none_engine_coverage_build(self):
"""Tests that should_build returns False for a coverage build of a
project that specifies 'none' for fuzzing_engines."""
_set_coverage_build()
project_yaml = {
'language': 'c++',
'fuzzing_engines': ['none'],
'sanitizers': ['address']
}
self.assertFalse(build.should_build(project_yaml))
def test_unspecified_engines_coverage_build(self):
"""Tests that should_build returns True for a coverage build of a
project that doesn't specify fuzzing_engines."""
_set_coverage_build()
project_yaml = {'language': 'c++'}
self.assertTrue(build.should_build(project_yaml))
def test_libfuzzer_coverage_build(self):
"""Tests that should_build returns True for coverage build of a project
specifying 'libfuzzer' and for fuzzing_engines."""
_set_coverage_build()
project_yaml = {
'language': 'c++',
'fuzzing_engines': ['libfuzzer'],
'sanitizers': ['address']
}
self.assertTrue(build.should_build(project_yaml))
def test_go_coverage_build(self):
"""Tests that should_build returns False for coverage build of a project
specifying 'libfuzzer' and for fuzzing_engines."""
_set_coverage_build()
project_yaml = {'language': 'go'}
self.assertFalse(build.should_build(project_yaml))
def test_engine_project_none_build(self):
"""Tests that should_build returns False for an engine: 'none' build when
the project doesn't specify engines."""
os.environ['SANITIZER'] = 'address'
os.environ['ENGINE'] = 'none'
os.environ['ARCHITECTURE'] = 'x86_64'
project_yaml = {
'language': 'c++',
'fuzzing_engines': ['libfuzzer'],
'sanitizers': ['address']
}
self.assertFalse(build.should_build(project_yaml))