test.yml

name: Test

concurrency:
  group: test-${{ github.event_name }}-${{ github.ref }}
  cancel-in-progress: true

on:
  push:
    branches:
      - 'main'
  pull_request:

jobs:
  build-test:
    name: Build Test
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Setup Go
        uses: actions/setup-go@v5
        with:
          check-latest: true
          go-version-file: 'go.mod'

      - name: Cache go module
        uses: actions/cache@v4
        with:
          path: |
            ~/go/pkg/mod
            ~/.cache/go-build
          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
          restore-keys: |
            ${{ runner.os }}-go-

      - name: Run test
        run: |
          go test ./...

  docker-test:
    name: Docker Test
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
        with:
          version: latest

#      - name: Build image
#        uses: docker/build-push-action@v6
#        with:
#          context: .
#          file: Dockerfile.test
#          platforms: linux/amd64
#          tags: tun2socks:test

      - name: Set up env
        env:
          DEBIAN_FRONTEND: noninteractive
          CONTAINER: t2s
          DNS: 1.1.1.1
          TUN: tun0
          ADDR: 198.18.0.1/15
          PROXY: direct://
          IFACE: eth0
        run: |
          docker run --rm -d --privileged \
            -v $PWD:/src \
            --dns $DNS \
            --name $CONTAINER golang:bullseye \
            bash -c \
            "set -x;
          cd /src;
          apt update && apt install -y iputils-ping net-tools iptables \
            iproute2 netcat curl dnsutils iperf3 tcpdump git make gcc;
          make tun2socks && mv /src/build/tun2socks /usr/bin/tun2socks;
          ip tuntap add mode tun dev $TUN;
          ip addr add $ADDR dev $TUN;
          ip link set dev $TUN up;
          sysctl net.ipv4.conf.all.rp_filter=0;
          sysctl net.ipv4.conf.default.rp_filter=0;
          sysctl net.ipv4.conf.eth0.rp_filter=0;
          sysctl net.ipv4.conf.$TUN.rp_filter=0;
          ip route add 0.0.0.0/1 dev $TUN
          ip route add 128.0.0.0/1 dev $TUN
          exec tun2socks --device $TUN --proxy $PROXY --interface $IFACE"

      - name: Run tests
        env:
          CONTAINER: t2s
        run: |
          docker exec -it $CONTAINER bash -c "curl -v 223.5.5.5"