name: test
on:
  push:
    tags:
      - v*
    branches:
      - main
      - master
      - release-*
  pull_request:

jobs:
  test:
    runs-on: ubuntu-20.04
    strategy:
      fail-fast: false
      matrix:
        go-version: [1.19.x, 1.20.x]
        libseccomp: ["v2.3.3", "v2.4.3", "v2.5.4", "HEAD"]

    steps:

    - name: checkout
      uses: actions/checkout@v3

    - name: install go ${{ matrix.go-version }}
      uses: actions/setup-go@v3
      with:
        go-version: ${{ matrix.go-version }}

    - name: build libseccomp ${{ matrix.libseccomp }}
      run: |
        set -x
        sudo apt -qq update
        sudo apt -qq install gperf

        PREFIX="$(pwd)/seccomp"
        LIBDIR="$PREFIX/lib"

        git clone https://github.com/seccomp/libseccomp
        cd libseccomp
        git checkout ${{ matrix.libseccomp }}
        # In main branch, configure.ac sets libseccomp version to 0.0.0, which
        # results in error when compiling libseccomp-golang. While 0.0.0 is
        # there for a reason, here we need to build and test against HEAD, so
        # set it to a suitable value.
        #
        # Version 9.9.9 is used because:
        #  - version >= current is needed;
        #  - chances are good such version won't ever exist;
        #  - it is easy to spot in tests output;
        #  - the LIBFILE pattern below expects single digits.
        VER="${{ matrix.libseccomp }}"
        if [ "$VER" == "HEAD" ]; then
          VER=9.9.9
          sed -i "/^AC_INIT(/s/0\.0\.0/$VER/" configure.ac
        fi
        ./autogen.sh
        ./configure --prefix="$PREFIX" --libdir="$LIBDIR"
        make
        sudo make install
        cd -
        rm -rf libseccomp

        # For the next steps to build and execute with the compiled library.
        echo "PKG_CONFIG_LIBDIR=$LIBDIR/pkgconfig" >> $GITHUB_ENV
        LIBFILE="$(echo $LIBDIR/libseccomp.so.?.?.?)"
        echo "LD_PRELOAD=$LIBFILE" >> $GITHUB_ENV
        # For TestExpectedSeccompVersion.
        echo "_EXPECTED_LIBSECCOMP_VERSION=$VER" >> $GITHUB_ENV

    - name: build
      run: make check-build

    - name: test
      run: make test