| # Copyright 2021 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 helper.py""" |
| |
| import datetime |
| import os |
| import tempfile |
| import unittest |
| from unittest import mock |
| |
| from pyfakefs import fake_filesystem_unittest |
| |
| import constants |
| import helper |
| import templates |
| |
| # pylint: disable=no-self-use,protected-access |
| |
| |
| class ShellTest(unittest.TestCase): |
| """Tests 'shell' command.""" |
| |
| @mock.patch('helper.docker_run') |
| @mock.patch('helper.build_image_impl') |
| def test_base_runner_debug(self, _, __): |
| """Tests that shell base-runner-debug works as intended.""" |
| image_name = 'base-runner-debug' |
| unparsed_args = ['shell', image_name] |
| parser = helper.get_parser() |
| args = helper.parse_args(parser, unparsed_args) |
| args.sanitizer = 'address' |
| result = helper.shell(args) |
| self.assertTrue(result) |
| |
| |
| class BuildImageImplTest(unittest.TestCase): |
| """Tests for build_image_impl.""" |
| |
| @mock.patch('helper.docker_build') |
| def test_no_cache(self, mock_docker_build): |
| """Tests that cache=False is handled properly.""" |
| image_name = 'base-image' |
| helper.build_image_impl(helper.Project(image_name), cache=False) |
| self.assertIn('--no-cache', mock_docker_build.call_args_list[0][0][0]) |
| |
| @mock.patch('helper.docker_build') |
| @mock.patch('helper.pull_images') |
| def test_pull(self, mock_pull_images, _): |
| """Tests that pull=True is handled properly.""" |
| image_name = 'base-image' |
| project = helper.Project(image_name, is_external=True) |
| self.assertTrue(helper.build_image_impl(project, pull=True)) |
| mock_pull_images.assert_called_with('c++') |
| |
| @mock.patch('helper.docker_build') |
| def test_base_image(self, mock_docker_build): |
| """Tests that build_image_impl works as intended with a base-image.""" |
| image_name = 'base-image' |
| self.assertTrue(helper.build_image_impl(helper.Project(image_name))) |
| build_dir = os.path.join(helper.OSS_FUZZ_DIR, |
| 'infra/base-images/base-image') |
| mock_docker_build.assert_called_with([ |
| '-t', 'gcr.io/oss-fuzz-base/base-image', '--file', |
| os.path.join(build_dir, 'Dockerfile'), build_dir |
| ]) |
| |
| @mock.patch('helper.docker_build') |
| def test_oss_fuzz_project(self, mock_docker_build): |
| """Tests that build_image_impl works as intended with an OSS-Fuzz |
| project.""" |
| project_name = 'example' |
| self.assertTrue(helper.build_image_impl(helper.Project(project_name))) |
| build_dir = os.path.join(helper.OSS_FUZZ_DIR, 'projects', project_name) |
| mock_docker_build.assert_called_with([ |
| '-t', 'gcr.io/oss-fuzz/example', '--file', |
| os.path.join(build_dir, 'Dockerfile'), build_dir |
| ]) |
| |
| @mock.patch('helper.docker_build') |
| def test_external_project(self, mock_docker_build): |
| """Tests that build_image_impl works as intended with a non-OSS-Fuzz |
| project.""" |
| with tempfile.TemporaryDirectory() as temp_dir: |
| project_src_path = os.path.join(temp_dir, 'example') |
| os.mkdir(project_src_path) |
| build_integration_path = 'build-integration' |
| project = helper.Project(project_src_path, |
| is_external=True, |
| build_integration_path=build_integration_path) |
| self.assertTrue(helper.build_image_impl(project)) |
| mock_docker_build.assert_called_with([ |
| '-t', 'gcr.io/oss-fuzz/example', '--file', |
| os.path.join(project_src_path, build_integration_path, 'Dockerfile'), |
| project_src_path |
| ]) |
| |
| |
| class GenerateImplTest(fake_filesystem_unittest.TestCase): |
| """Tests for _generate_impl.""" |
| PROJECT_NAME = 'newfakeproject' |
| PROJECT_LANGUAGE = 'python' |
| |
| def setUp(self): |
| self.setUpPyfakefs() |
| self.fs.add_real_directory(helper.OSS_FUZZ_DIR) |
| |
| def _verify_templated_files(self, template_dict, directory, language): |
| template_args = { |
| 'project_name': self.PROJECT_NAME, |
| 'year': 2021, |
| 'base_builder': helper._base_builder_from_language(language), |
| 'language': language, |
| } |
| for filename, template in template_dict.items(): |
| file_path = os.path.join(directory, filename) |
| with open(file_path, 'r') as file_handle: |
| contents = file_handle.read() |
| self.assertEqual(contents, template % template_args) |
| |
| @mock.patch('helper._get_current_datetime', |
| return_value=datetime.datetime(year=2021, month=1, day=1)) |
| def test_generate_oss_fuzz_project(self, _): |
| """Tests that the correct files are generated for an OSS-Fuzz project.""" |
| helper._generate_impl(helper.Project(self.PROJECT_NAME), |
| self.PROJECT_LANGUAGE) |
| self._verify_templated_files( |
| templates.TEMPLATES, |
| os.path.join(helper.OSS_FUZZ_DIR, 'projects', self.PROJECT_NAME), |
| self.PROJECT_LANGUAGE) |
| |
| def test_generate_external_project(self): |
| """Tests that the correct files are generated for a non-OSS-Fuzz project.""" |
| build_integration_path = '/newfakeproject/build-integration' |
| helper._generate_impl( |
| helper.Project('/newfakeproject/', |
| is_external=True, |
| build_integration_path=build_integration_path), |
| self.PROJECT_LANGUAGE) |
| self._verify_templated_files(templates.EXTERNAL_TEMPLATES, |
| build_integration_path, self.PROJECT_LANGUAGE) |
| |
| def test_generate_swift_project(self): |
| """Tests that the swift project uses the correct base image.""" |
| helper._generate_impl(helper.Project(self.PROJECT_NAME), 'swift') |
| self._verify_templated_files( |
| templates.TEMPLATES, |
| os.path.join(helper.OSS_FUZZ_DIR, 'projects', self.PROJECT_NAME), |
| 'swift') |
| |
| |
| class ProjectTest(fake_filesystem_unittest.TestCase): |
| """Tests for Project class.""" |
| |
| def setUp(self): |
| self.project_name = 'project' |
| self.internal_project = helper.Project(self.project_name) |
| self.external_project_path = os.path.join('/path', 'to', self.project_name) |
| self.external_project = helper.Project(self.external_project_path, |
| is_external=True) |
| self.setUpPyfakefs() |
| |
| def test_init_external_project(self): |
| """Tests __init__ method for external projects.""" |
| self.assertEqual(self.external_project.name, self.project_name) |
| self.assertEqual(self.external_project.path, self.external_project_path) |
| self.assertEqual( |
| self.external_project.build_integration_path, |
| os.path.join(self.external_project_path, |
| constants.DEFAULT_EXTERNAL_BUILD_INTEGRATION_PATH)) |
| |
| def test_init_internal_project(self): |
| """Tests __init__ method for internal projects.""" |
| self.assertEqual(self.internal_project.name, self.project_name) |
| path = os.path.join(helper.OSS_FUZZ_DIR, 'projects', self.project_name) |
| self.assertEqual(self.internal_project.path, path) |
| self.assertEqual(self.internal_project.build_integration_path, path) |
| |
| def test_dockerfile_path_internal_project(self): |
| """Tests that dockerfile_path works as intended.""" |
| self.assertEqual( |
| self.internal_project.dockerfile_path, |
| os.path.join(helper.OSS_FUZZ_DIR, 'projects', self.project_name, |
| 'Dockerfile')) |
| |
| def test_dockerfile_path_external_project(self): |
| """Tests that dockerfile_path works as intended.""" |
| self.assertEqual( |
| self.external_project.dockerfile_path, |
| os.path.join(self.external_project_path, |
| constants.DEFAULT_EXTERNAL_BUILD_INTEGRATION_PATH, |
| 'Dockerfile')) |
| |
| def test_out(self): |
| """Tests that out works as intended.""" |
| out_dir = self.internal_project.out |
| self.assertEqual( |
| out_dir, |
| os.path.join(helper.OSS_FUZZ_DIR, 'build', 'out', self.project_name)) |
| self.assertTrue(os.path.exists(out_dir)) |
| |
| def test_work(self): |
| """Tests that work works as intended.""" |
| work_dir = self.internal_project.work |
| self.assertEqual( |
| work_dir, |
| os.path.join(helper.OSS_FUZZ_DIR, 'build', 'work', self.project_name)) |
| self.assertTrue(os.path.exists(work_dir)) |
| |
| def test_corpus(self): |
| """Tests that corpus works as intended.""" |
| corpus_dir = self.internal_project.corpus |
| self.assertEqual( |
| corpus_dir, |
| os.path.join(helper.OSS_FUZZ_DIR, 'build', 'corpus', self.project_name)) |
| self.assertTrue(os.path.exists(corpus_dir)) |
| |
| def test_language_internal_project(self): |
| """Tests that language works as intended for an internal project.""" |
| project_yaml_path = os.path.join(self.internal_project.path, 'project.yaml') |
| self.fs.create_file(project_yaml_path, contents='language: python') |
| self.assertEqual(self.internal_project.language, 'python') |
| |
| def test_language_external_project(self): |
| """Tests that language works as intended for an external project.""" |
| self.assertEqual(self.external_project.language, 'c++') |
