test.yml

name: Continuous Integration

on:
  pull_request:
  push:
    branches:
      - main
      - 0.5.x
      - 0.3.x

jobs:
  test:
    name: sbt test on ubuntu
    runs-on: ubuntu-20.04
    strategy:
      matrix:
        scala: [2.13.10]
        jvm: [8, 11]
    steps:
      - name: Checkout
        uses: actions/checkout@v3
      - name: Setup Scala
        uses: actions/setup-java@v3
        with:
          distribution: 'adopt'
          java-version: ${{ matrix.jvm }}
      - name: Test
        timeout-minutes: 6
        run: sbt ++${{ matrix.scala }} "testOnly chiseltest.** -- -l RequiresVcs -l RequiresVerilator -l Formal -l RequiresIcarus"

  integration-test:
    name: Integration Tests
    runs-on: ubuntu-20.04
    strategy:
      matrix:
        scala: [ 2.13.10 ]
        jvm: [ 8, 11, 20 ]
    steps:
      - name: Checkout
        uses: actions/checkout@v3
      - name: Setup Scala
        uses: actions/setup-java@v3
        with:
          distribution: 'adopt'
          java-version: ${{ matrix.jvm }}
      - name: Test
        timeout-minutes: 6
        run: sbt ++${{ matrix.scala }} "testOnly integration.**"


  test-mac:
    name: sbt test on mac
    runs-on: macos-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3
      - name: Test
        timeout-minutes: 10
        run: sbt "testOnly chiseltest.** -- -l RequiresVcs -l RequiresVerilator -l Formal -l RequiresIcarus"

  icarus:
    name: icarus verilog
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ ubuntu-20.04, macos-latest ]
    steps:
      - name: Checkout
        uses: actions/checkout@v3
      - name: Install Icarus Verilog for Ubuntu
        if: runner.os == 'Linux'
        run: |
          sudo apt-get install -y iverilog
          iverilog -v || true
      - name: Install Icarus Verilog for MacOS
        if: runner.os == 'macOS'
        run: |
          brew install icarus-verilog
          iverilog -v || true
      - name: Test
        timeout-minutes: 6
        run: sbt ++${{ matrix.scala }} "testOnly chiseltest.** -- -n RequiresIcarus"

  verilator:
    name: verilator regressions
    runs-on: ubuntu-20.04
    strategy:
      matrix:
        # 4.028: Ubuntu 20.04, Fedora 32
        # 4.032: Fedora 33
        # 4.034: Chipyard
        # 4.038: Ubuntu 20.10
        # 4.108: Fedora 34
        # 4.200: currently the latest version on brew (MacOS)
        # 4.202: added "forcePerInstance" to support our coverage flow
        version: ["4.028", "4.032", "4.034", "4.038", "4.108", "4.200", "4.202"]

    steps:
      - name: Checkout
        uses: actions/checkout@v3
      - name: Install Verilator Build Dependencies
        run: sudo apt-get install -y git make autoconf g++ flex bison libfl2 libfl-dev
      - name: Cache Verilator ${{ matrix.version }}
        uses: actions/cache@v3
        id: cache-verilator
        with:
          path: verilator-${{ matrix.version }}
          key: ${{ runner.os }}-verilator-${{ matrix.version }}
      - name: Compile Verilator ${{ matrix.version }}
        if: steps.cache-verilator.outputs.cache-hit != 'true'
        run: |
          wget https://github.com/verilator/verilator/archive/refs/tags/v${{ matrix.version }}.zip
          unzip v${{ matrix.version }}.zip
          cd verilator-${{ matrix.version }}
          autoconf
          ./configure
          make
      - name: Install Verilator ${{ matrix.version }}
        run: |
          cd verilator-${{ matrix.version }}
          sudo make install
          verilator --version
      - name: Test
        run: sbt "testOnly chiseltest.** -- -n RequiresVerilator"

  formal:
    name: formal verification tests
    runs-on: ubuntu-20.04
    strategy:
      matrix:
        backend: [z3, cvc4, btormc, bitwuzla]
    steps:
      - name: Checkout
        uses: actions/checkout@v3
      - name: Install Z3 and CVC4
        if: runner.os == 'Linux'
        run: |
          sudo apt-get install -y z3 cvc4
          z3 --version
          cvc4 --version
      - name: Install Tabby OSS Cad Suite (from YosysHQ)
        uses: ./.github/workflows/setup-oss-cad-suite
        with:
          osscadsuite-version: '2023-01-09'
      - name: Test
        run: sbt "testOnly chiseltest.** -- -n Formal -Dformal_engine=${{ matrix.backend }}"

  formal-mac:
    name: formal verification tests on mac
    runs-on: macos-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3
      - name: Install Z3 for MacOS
        run: |
          brew install z3
          z3 --version
      - name: Test
        run: sbt "testOnly chiseltest.** -- -n Formal -Dformal_engine=z3"

  doc:
    name: Documentation and Formatting
    runs-on: ubuntu-20.04
    steps:
      - name: Checkout
        uses: actions/checkout@v3
      - name: Documentation
        id: doc
        run: sbt doc
      - name: Check Formatting
        run: sbt scalafmtCheckAll

  no-warn:
    name: No Warnings with Scala 2.13 for PRs
    if: github.event_name == 'pull_request'
    runs-on: ubuntu-20.04
    steps:
      - name: Checkout
        uses: actions/checkout@v3
      - name: Check for Warnings
        run: sbt "set ThisBuild / scalacOptions ++= Seq(\"-Xfatal-warnings\") ; compile"
      - name: Check for Warnings in Tests
        run: sbt "set ThisBuild / scalacOptions ++= Seq(\"-Xfatal-warnings\") ; Test / compile"

  test-treadle:
    name: sbt test for treadle on ubuntu
    runs-on: ubuntu-20.04
    strategy:
      matrix:
        scala: [2.13.10]
        jvm: [8, 11]
    steps:
      - name: Checkout
        uses: actions/checkout@v3
      - name: Setup Scala
        uses: actions/setup-java@v3
        with:
          distribution: 'adopt'
          java-version: ${{ matrix.jvm }}
      - name: Test
        run: sbt ++${{ matrix.scala }} "testOnly treadle2.**"

  # Sentinel job to simplify how we specify which checks need to pass in branch
  # protection and in Mergify
  #
  # When adding new jobs, please add them to `needs` below
  all_tests_passed:
    name: "all tests passed"
    needs: [test, doc, verilator, formal, formal-mac, icarus, test-mac, no-warn, integration-test]
    runs-on: ubuntu-latest
    steps:
      - run: echo Success!

  # sbt ci-release publishes all cross versions so this job needs to be
  # separate from a Scala versions build matrix to avoid duplicate publishing
  publish:
    # note: we do not require a warning check for publishing!
    needs: [test, doc, verilator, formal, formal-mac, icarus, test-mac, test-treadle, integration-test]
    runs-on: ubuntu-20.04
    if: github.event_name == 'push'

    steps:
      - name: Checkout
        uses: actions/checkout@v3
      - name: Setup GPG (for Publish)
        uses: olafurpg/setup-gpg@v3
      - name: Publish
        run: sbt ci-release
        env:
          PGP_PASSPHRASE: ${{ secrets.PGP_PASSPHRASE }}
          PGP_SECRET: ${{ secrets.PGP_SECRET }}
          SONATYPE_PASSWORD: ${{ secrets.SONATYPE_PASSWORD }}
          SONATYPE_USERNAME: ${{ secrets.SONATYPE_USERNAME }}