.github/workflows/bazel_test.yml

# 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
#
#    https://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.

name: Bazel Test

on:
  push:
  pull_request:
  schedule:
    - cron: '0 0 * * *'
  workflow_dispatch:
env:
  # Run daily CI checks against a very recent Bazel commit, but use the version
  # pinned in .bazelrc for regular PR checks.
  # This is a hacky workaround for GitHub Action's lack of inline conditionals.
  # It is important that the value in the true case is not the empty string,
  # see:
  # https://github.com/actions/runner/issues/409#issuecomment-1013325196
  USE_BAZEL_VERSION: ${{ github.event.schedule != '' && 'last_green' || '' }}

jobs:
  unit_tests:
    name: All unit tests
    runs-on: ubuntu-20.04
    timeout-minutes: 30
    steps:
      - name: Checkout repository
        uses: actions/checkout@v2
      - name: Install dependencies
        run: |
          sudo apt-get update && sudo apt-get install -yq \
            clang-10 \
            libunwind-dev \
            libblocksruntime-dev
      - name: Run unit tests
        run: |
          bazel test --test_tag_filters=-fuzz-test --build_tests_only //...
      - name: Run Address Sanitizer tests
        run: |
          bazel test --test_tag_filters=-fuzz-test --build_tests_only --config=asan //...
  fuzzer_run_tests:
    name: Brief fuzz test runs (C++)
    runs-on: ubuntu-20.04
    timeout-minutes: 30
    strategy:
      matrix:
        config: ["asan-libfuzzer", "msan-libfuzzer", "asan-honggfuzz"]
        target: ["//examples:empty_fuzz_test_run", "//examples:re2_fuzz_test_run"]
        exclude:
          # MSAN currently fails on the RE2 target.
          - config: "msan-libfuzzer"
            target: "//examples:re2_fuzz_test_run"
    steps:
      - name: Checkout repository
        uses: actions/checkout@v2
      - name: Install dependencies
        run: |
          sudo apt-get update && sudo apt-get install -yq \
            clang-10 \
            libunwind-dev \
            libblocksruntime-dev
      - name: Run smoke test
        run: |
          bazel run ${{ matrix.target }} --config=${{ matrix.config }} -- --clean --timeout_secs=5
  regression_tests:
    name: Regression tests (C++)
    runs-on: ubuntu-20.04
    timeout-minutes: 30
    strategy:
      matrix:
        config: ["asan-replay", "asan-libfuzzer", "asan-honggfuzz"]
    steps:
      - name: Checkout repository
        uses: actions/checkout@v2
      - name: Install dependencies
        run: |
          sudo apt-get update && sudo apt-get install -yq \
            clang-10 \
            libunwind-dev \
            libblocksruntime-dev
      - name: Run regression tests
        run: |
          bazel test --verbose_failures --test_output=all \
              --build_tag_filters=fuzz-test --config=${{ matrix.config }} \
              //examples:all
  coverage:
    name: Coverage gathering (C++)
    runs-on: ubuntu-20.04
    timeout-minutes: 30
    steps:
      - name: Checkout repository
        uses: actions/checkout@v2
      - name: Install dependencies
        run: |
          sudo apt-get update && sudo apt-get install -yq \
            clang-10 \
            libunwind-dev \
            libblocksruntime-dev
      - name: Gather coverage
        run: |
          bazel coverage //examples:re2_fuzz_test
      - name: Check coverage report
        run: |
          grep "SF:examples/re2_fuzz_test.cc" bazel-out/_coverage/_coverage_report.dat
  fuzzer_run_tests_java:
    name: Brief fuzz test runs (Java)
    runs-on: ubuntu-20.04
    timeout-minutes: 30
    strategy:
      matrix:
        config: ["jazzer", "asan-jazzer"]
        target: ["//examples/java:EmptyFuzzTest_run"]
    steps:
      - name: Checkout repository
        uses: actions/checkout@v2
      - name: Install dependencies
        run: sudo apt-get update && sudo apt-get install -yq clang-10
      - name: Run smoke test
        run: |
          bazel run ${{ matrix.target }} --config=${{ matrix.config }} -- --clean --timeout_secs=5
  regression_tests_java:
    name: Regression tests (Java)
    runs-on: ubuntu-20.04
    timeout-minutes: 30
    strategy:
      matrix:
        config: ["jazzer", "asan-jazzer"]
    steps:
      - name: Checkout repository
        uses: actions/checkout@v2
      - name: Install dependencies
        run: sudo apt-get update && sudo apt-get install -yq clang-10
      - name: Run regression tests
        run: |
          bazel test --verbose_failures --test_output=all \
              --build_tag_filters=fuzz-test --config=${{ matrix.config }} \
              //examples/java/...
  regression_tests_gcc:
    name: Regression tests (GCC)
    runs-on: ubuntu-20.04
    timeout-minutes: 30
    steps:
      - name: Checkout repository
        uses: actions/checkout@v2
      - name: Run regression tests with GCC
        run: |
          bazel test --action_env=CC=gcc --action_env=CXX=g++ \
              --verbose_failures --test_output=all \
              //examples/...
  regression_tests_mac:
    name: Regression tests (macOS)
    runs-on: macos-latest
    timeout-minutes: 30
    steps:
      - name: Checkout repository
        uses: actions/checkout@v2
      - name: Run regression tests on macOS
        run: |
          bazel test --verbose_failures --test_output=all //examples/...