test.yml

name: test
on:
  push:
    branches:
      - master
  pull_request:
jobs:
  integration:
    runs-on: ubuntu-22.04
    timeout-minutes: 30
    steps:
      - uses: actions/setup-go@v5
        with:
          go-version: 1.20.x
      - uses: actions/checkout@v4
        with:
          fetch-depth: 1
      - name: Run golangci-lint
        uses: golangci/golangci-lint-action@v6.1.1
        with:
          version: v1.52.2
          args: --verbose
      - name: Install qemu-img as a test dependency
        run: |
          sudo apt-get update
          sudo apt-get install -y qemu-utils
      - name: Unit tests
        run: go test -v ./...
      - name: Install go-qcow2reader-example
        run: cd ./cmd/go-qcow2reader-example && go install
      - name: Cache test-images-ro
        id: cache-test-images-ro
        uses: actions/cache@v4
        with:
          path: test-images-ro
          key: ${{ runner.os }}-${{ hashFiles('.github/workflows/test.yml') }}
      - name: Prepare test-images-ro
        if: steps.cache-test-images-ro.outputs.cache-hit != 'true'
        run: |
          set -eux -o pipefail
          mkdir -p test-images-ro
          cd test-images-ro
          # version: 3, virtual size: 2GiB, cluster size: 16 bits (65536 bytes)
          curl -SL -O https://cloud.debian.org/images/cloud/bullseye/20230501-1367/debian-11-genericcloud-amd64-20230501-1367.qcow2
          # Create a child image, with a custom size
          qemu-img create -f qcow2 -b debian-11-genericcloud-amd64-20230501-1367.qcow2 -F qcow2 debian-11-genericcloud-amd64-20230501-1367.child_4G.qcow2 4G
          # TODO: write something to the child image (with qemu-nbd?)
          # Convert to zstd
          qemu-img convert -f qcow2 -O qcow2 -o compression_type=zstd debian-11-genericcloud-amd64-20230501-1367.qcow2 debian-11-genericcloud-amd64-20230501-1367.zstd.qcow2
          # Convert to ext_l2
          qemu-img convert -f qcow2 -O qcow2 -o extended_l2=on debian-11-genericcloud-amd64-20230501-1367.qcow2 debian-11-genericcloud-amd64-20230501-1367.ext_l2.qcow2
      - name: Prepare test-images
        run: cp -a test-images-ro test-images
      - name: "Test debian-11-genericcloud-amd64-20230501-1367.qcow2"
        run: hack/compare-with-qemu-img.sh test-images/debian-11-genericcloud-amd64-20230501-1367.qcow2
      - name: "Test debian-11-genericcloud-amd64-20230501-1367.child_4G.qcow2 (child image, with a custom size)"
        run: hack/compare-with-qemu-img.sh test-images/debian-11-genericcloud-amd64-20230501-1367.child_4G.qcow2
      - name: "Test debian-11-genericcloud-amd64-20230501-1367.zstd.qcow2"
        run: hack/compare-with-qemu-img.sh test-images/debian-11-genericcloud-amd64-20230501-1367.zstd.qcow2
      - name: "Test debian-11-genericcloud-amd64-20230501-1367.ext_l2.qcow2"
        run: hack/compare-with-qemu-img.sh test-images/debian-11-genericcloud-amd64-20230501-1367.ext_l2.qcow2