Fuzzing #1852
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| name: Fuzzing | |
| env: | |
| # Tell pytest and other tools to produce coloured terminal output. | |
| # Make sure this is also in the "passenv" section of the tox config. | |
| PY_COLORS: 1 | |
| on: | |
| # Run every six hours, for six hours each time | |
| schedule: | |
| - cron: '0 */6 * * *' | |
| # Allow manual launching too so we can test any branch we like | |
| workflow_dispatch: | |
| # # Enable this and reduce the timeout below to check a PR is working | |
| # pull_request: | |
| # branches: [ master ] | |
| jobs: | |
| fuzz: | |
| # Keep all of this stuff synced with the setup in main.yml for CI | |
| runs-on: ubuntu-latest | |
| steps: | |
| - uses: actions/checkout@v3 | |
| with: | |
| fetch-depth: 0 | |
| - name: Set up Python 3.10 | |
| uses: actions/setup-python@v4 | |
| with: | |
| python-version: "3.10.9" | |
| - name: Restore cache | |
| uses: actions/cache@v3 | |
| with: | |
| path: | | |
| ~/.cache | |
| ~/wheelhouse | |
| ~/.local | |
| vendor/bundle | |
| .tox/ | |
| key: deps-${{ runner.os }}-${{ hashFiles('requirements/*.txt') }}-${{ matrix.task }} | |
| restore-keys: | | |
| deps-${{ runner.os }}-${{ hashFiles('requirements/*.txt') }} | |
| deps-${{ runner.os }} | |
| # OK, on to the fuzzing-specific part. | |
| # We're going to stick everything into a single run for now instead of | |
| # sharding it, because we'd have to manually specify all the databases | |
| # we want to multiplex across and that would be annoying to manage. | |
| # TODO: revisit this later; a redis-like service would be so much nicer. | |
| - name: Download example database | |
| uses: dawidd6/action-download-artifact@v2.24.3 | |
| with: | |
| name: hypothesis-example-db | |
| path: .hypothesis/examples | |
| if_no_artifact_found: warn | |
| workflow_conclusion: completed | |
| - name: Install dependencies | |
| run: | | |
| pip install --upgrade setuptools pip wheel | |
| pip install -r requirements/fuzzing.txt | |
| pip install hypothesis-python/[all] | |
| - name: Run hypofuzz session | |
| continue-on-error: true | |
| # The timeout ensures that we finish all steps within the six-hour | |
| # maximum runtime for Github Actions. | |
| # Then run the fuzzer on everything, as for our Windows CI; avoiding | |
| # the --no-dashboard option because that also disables .patch writing. | |
| run: | | |
| timeout --preserve-status 5.5h \ | |
| hypothesis fuzz -- hypothesis-python/tests/ \ | |
| --ignore=hypothesis-python/tests/quality/ \ | |
| --ignore=hypothesis-python/tests/ghostwriter/ | |
| - name: Upload patch files with covering and failing `@example()`s | |
| uses: actions/upload-artifact@v3 | |
| if: always() | |
| with: | |
| name: explicit-example-patches | |
| path: .hypothesis/patches/latest_hypofuzz_*.patch | |
| # Upload the database so it'll be persisted between runs. | |
| # Note that we can also pull it down to use locally via | |
| # https://hypothesis.readthedocs.io/en/latest/database.html#hypothesis.database.GitHubArtifactDatabase | |
| - name: Upload example database | |
| uses: actions/upload-artifact@v3 | |
| if: always() | |
| with: | |
| name: hypothesis-example-db | |
| path: .hypothesis/examples |