Add integration tests for cli

Author: nezhar

.github/workflows/runtime-integration.yml

@@ -0,0 +1,51 @@
+name: Runtime Integration
+
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  version-runtime:
+    runs-on: ubuntu-latest
+    timeout-minutes: 20
+    strategy:
+      fail-fast: false
+      matrix:
+        scenario:
+          - docker-only
+          - podman-only
+          - none
+          - both-auto
+          - both-default-docker
+          - both-default-podman
+          - both-switch
+
+    env:
+      VP_REAL_RUNTIME_SCENARIO: ${{ matrix.scenario }}
+      VP_RUNTIME_PROBE_TIMEOUT: "20"
+      PYTHONUNBUFFERED: "1"
+
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install -e ".[dev]"
+
+      - name: Prepare runtime scenario and run tests
+        run: |
+          export XDG_RUNTIME_DIR="${RUNNER_TEMP}/xdg-runtime"
+          bash scripts/prepare_runtime_scenario.sh "${VP_REAL_RUNTIME_SCENARIO}"
+          python -m pytest -q tests/test_version_integration.py
+
+      - name: Clean up runtime scenario
+        if: always()
+        run: bash scripts/cleanup_runtime_scenario.sh

scripts/cleanup_runtime_scenario.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+RUNNER_TEMP="${RUNNER_TEMP:-/tmp}"
+PODMAN_PID_FILE="${RUNNER_TEMP}/podman-service.pid"
+
+if [[ -f "${PODMAN_PID_FILE}" ]]; then
+  kill "$(cat "${PODMAN_PID_FILE}")" >/dev/null 2>&1 || true
+  rm -f "${PODMAN_PID_FILE}"
+fi

scripts/prepare_runtime_scenario.sh

@@ -0,0 +1,119 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+SCENARIO="${1:?missing runtime scenario}"
+RUNNER_TEMP="${RUNNER_TEMP:-/tmp}"
+XDG_RUNTIME_DIR="${XDG_RUNTIME_DIR:-${RUNNER_TEMP}/xdg-runtime}"
+PODMAN_DIR="${XDG_RUNTIME_DIR}/podman"
+PODMAN_SOCKET_PATH="${PODMAN_DIR}/podman.sock"
+PODMAN_SOCKET_URL="unix://${PODMAN_SOCKET_PATH}"
+PODMAN_PID_FILE="${RUNNER_TEMP}/podman-service.pid"
+PODMAN_LOG_FILE="${RUNNER_TEMP}/podman-service.log"
+
+wait_for_docker() {
+  for _ in $(seq 1 30); do
+    if docker version >/dev/null 2>&1; then
+      return 0
+    fi
+    sleep 1
+  done
+  docker version
+}
+
+wait_for_podman() {
+  for _ in $(seq 1 30); do
+    if [[ -S "${PODMAN_SOCKET_PATH}" ]] && podman --url "${PODMAN_SOCKET_URL}" version >/dev/null 2>&1; then
+      return 0
+    fi
+    sleep 1
+  done
+  podman --url "${PODMAN_SOCKET_URL}" version
+}
+
+ensure_docker_started() {
+  if command -v systemctl >/dev/null 2>&1; then
+    sudo systemctl start docker.socket || true
+    sudo systemctl start docker.service || true
+  fi
+  if command -v service >/dev/null 2>&1; then
+    sudo service docker start || true
+  fi
+  wait_for_docker
+}
+
+stop_docker() {
+  if command -v systemctl >/dev/null 2>&1; then
+    sudo systemctl stop docker.service || true
+    sudo systemctl stop docker.socket || true
+  fi
+  if command -v service >/dev/null 2>&1; then
+    sudo service docker stop || true
+  fi
+  sleep 2
+}
+
+install_podman() {
+  sudo touch /etc/subuid /etc/subgid
+
+  if ! grep -q "^${USER}:" /etc/subuid; then
+    echo "${USER}:100000:65536" | sudo tee -a /etc/subuid >/dev/null
+  fi
+  if ! grep -q "^${USER}:" /etc/subgid; then
+    echo "${USER}:100000:65536" | sudo tee -a /etc/subgid >/dev/null
+  fi
+
+  if command -v podman >/dev/null 2>&1; then
+    return 0
+  fi
+
+  sudo apt-get update
+  sudo apt-get install -y podman
+}
+
+stop_podman_service() {
+  if [[ -f "${PODMAN_PID_FILE}" ]]; then
+    kill "$(cat "${PODMAN_PID_FILE}")" >/dev/null 2>&1 || true
+    rm -f "${PODMAN_PID_FILE}"
+  fi
+  rm -f "${PODMAN_SOCKET_PATH}"
+}
+
+start_podman_service() {
+  install_podman
+  stop_podman_service
+
+  mkdir -p "${PODMAN_DIR}"
+  chmod 700 "${XDG_RUNTIME_DIR}"
+
+  nohup podman system service --time=0 "${PODMAN_SOCKET_URL}" >"${PODMAN_LOG_FILE}" 2>&1 &
+  echo "$!" >"${PODMAN_PID_FILE}"
+
+  wait_for_podman
+}
+
+case "${SCENARIO}" in
+  docker-only)
+    stop_podman_service
+    ensure_docker_started
+    ;;
+  podman-only)
+    start_podman_service
+    stop_docker
+    ;;
+  none)
+    stop_podman_service
+    stop_docker
+    ;;
+  both-auto|both-default-docker|both-default-podman|both-switch)
+    ensure_docker_started
+    start_podman_service
+    ;;
+  *)
+    echo "Unknown runtime scenario: ${SCENARIO}" >&2
+    exit 1
+    ;;
+esac
+
+echo "Prepared runtime scenario: ${SCENARIO}"
+docker version >/dev/null 2>&1 && docker version --format '{{.Server.Version}}' || true
+command -v podman >/dev/null 2>&1 && podman --url "${PODMAN_SOCKET_URL}" version --format '{{.Server.Version}}' || true