mirror of
https://github.com/rcourtman/Pulse.git
synced 2026-04-28 11:30:15 +00:00
feat: add shared script library system and refactor docker-agent installer
Implements a comprehensive script improvement infrastructure to reduce code duplication, improve maintainability, and enable easier testing of installer scripts. ## New Infrastructure ### Shared Library System (scripts/lib/) - common.sh: Core utilities (logging, sudo, dry-run, cleanup management) - systemd.sh: Service management helpers with container-safe systemctl - http.sh: HTTP/download helpers with curl/wget fallback and retry logic - README.md: Complete API documentation for all library functions ### Bundler System - scripts/bundle.sh: Concatenates library modules into single-file installers - scripts/bundle.manifest: Defines bundling configuration for distributables - Enables both modular development and curl|bash distribution ### Test Infrastructure - scripts/tests/run.sh: Test harness for running all smoke tests - scripts/tests/test-common-lib.sh: Common library validation (5 tests) - scripts/tests/test-docker-agent-v2.sh: Installer smoke tests (4 tests) - scripts/tests/integration/: Container-based integration tests (5 scenarios) - All tests passing ✓ ## Refactored Installer ### install-docker-agent-v2.sh - Reduced from 1098 to 563 lines (48% code reduction) - Uses shared libraries for all common operations - NEW: --dry-run flag support - Maintains 100% backward compatibility with original - Fully tested with smoke and integration tests ### Key Improvements - Sudo escalation: 100+ lines → 1 function call - Download logic: 51 lines → 1 function call - Service creation: 33 lines → 2 function calls - Logging: Standardized across all operations - Error handling: Improved with common library ## Documentation ### Rollout Strategy (docs/installer-v2-rollout.md) - 3-phase rollout plan (Alpha → Beta → GA) - Feature flag mechanism for gradual deployment - Testing checklist and success metrics - Rollback procedures and communication plan ### Developer Guides - docs/script-library-guide.md: Complete library usage guide - docs/CONTRIBUTING-SCRIPTS.md: Contribution workflow - docs/installer-v2-quickref.md: Quick reference for operators ## Metrics - Code reduction: 48% (1098 → 563 lines) - Reusable functions: 0 → 30+ - Test coverage: 0 → 8 test scenarios - Documentation: 0 → 5 comprehensive guides ## Testing All tests passing: - Smoke tests: 2/2 passed (8 test cases) - Integration tests: 5/5 scenarios passed - Bundled output: Syntax validated, dry-run tested ## Next Steps This lays the foundation for migrating other installers (install.sh, install-sensor-proxy.sh) to use the same pattern, reducing overall maintenance burden and improving code quality across the project.
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45
scripts/tests/integration/README.md
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45
scripts/tests/integration/README.md
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# Integration Tests
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The scripts in this directory exercise the Pulse installer scripts inside isolated
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environments (typically Linux containers). They are intended to catch regressions
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that unit-style smoke tests cannot detect (e.g., filesystem layout, systemd unit
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generation, binary placement).
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## Prerequisites
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- Docker or another container runtime supported by the test script. When Docker
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is unavailable the test will skip gracefully.
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- Internet access is **not** required; HTTP interactions are stubbed.
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## Running the Docker Agent Installer Test
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```bash
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scripts/tests/integration/test-docker-agent-install.sh
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```
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The script will:
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1. Launch an Ubuntu 22.04 container (when Docker is available).
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2. Inject lightweight stubs for `systemctl`, `docker`, `curl`, and `wget`.
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3. Execute the refactored installer through several scenarios (dry run,
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full install, missing Docker handling, multi-target configuration, uninstall).
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The container is discarded automatically, and no files are written to the host
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outside of the repository.
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## Adding New Integration Tests
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1. Place new test scripts in this directory. They should follow the pattern of
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detecting required tooling, skipping when prerequisites are missing, and
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producing clear PASS/FAIL output.
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2. Prefer running inside an ephemeral container to avoid modifying the host
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system.
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3. Use repository-relative paths (`/workspace` inside the container) and avoid
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relying on network resources.
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4. Clean up all temporary files even when the test fails (use traps).
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## Reporting
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Each integration script is self-contained and prints a concise summary at the
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end. CI jobs or developers can invoke them individually without modifying
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the top-level smoke test harness.
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277
scripts/tests/integration/test-docker-agent-install.sh
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277
scripts/tests/integration/test-docker-agent-install.sh
Executable file
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@ -0,0 +1,277 @@
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#!/usr/bin/env bash
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# Integration test for install-docker-agent-v2.sh
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set -euo pipefail
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PROJECT_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/../../.." && pwd)"
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CONTAINER_IMAGE="${INTEGRATION_DOCKER_IMAGE:-ubuntu:22.04}"
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log() {
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printf '[integration] %s\n' "$*"
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}
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if ! command -v docker >/dev/null 2>&1; then
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log "Docker not available. Skipping docker-agent integration tests."
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exit 0
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fi
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log "Running docker-agent installer integration tests in ${CONTAINER_IMAGE}"
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container_script="$(mktemp -t pulse-docker-agent-integ-XXXXXX.sh)"
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trap 'rm -f "${container_script}"' EXIT
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cat <<'EOS' >"${container_script}"
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#!/usr/bin/env bash
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set -euo pipefail
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INSTALLER_SCRIPT="/workspace/scripts/install-docker-agent-v2.sh"
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STUB_DIR=/tmp/installer-stubs
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mkdir -p "${STUB_DIR}"
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create_systemctl_stub() {
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cat <<'EOF' >"${STUB_DIR}/systemctl"
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#!/usr/bin/env bash
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set -eo pipefail
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cmd=""
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for arg in "$@"; do
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case "$arg" in
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list-unit-files|is-active|daemon-reload|enable|start|stop|disable|restart)
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cmd="$arg"
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shift
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break
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;;
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esac
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shift || true
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done
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case "$cmd" in
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list-unit-files)
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exit 1
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;;
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is-active)
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unit=""
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for arg in "$@"; do
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case "$arg" in
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--*) ;;
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*) unit="$arg"; break ;;
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esac
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done
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if [[ -n "$unit" && -f "/etc/systemd/system/$unit" ]]; then
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exit 0
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fi
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exit 3
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;;
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*)
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exit 0
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;;
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esac
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EOF
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chmod +x "${STUB_DIR}/systemctl"
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}
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create_curl_stub() {
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cat <<'EOF' >"${STUB_DIR}/curl"
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#!/usr/bin/env bash
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set -eo pipefail
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outfile=""
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while [[ $# -gt 0 ]]; do
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case "$1" in
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-o|--output)
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outfile="$2"; shift 2;;
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-H|-d|-X|--header|--data|--request|--url)
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shift 2;;
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-f|-s|-S|-L|-k|--progress-bar|--connect-timeout|--retry|--retry-delay|--silent)
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shift;;
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*)
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shift;;
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esac
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done
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if [[ -n "${outfile:-}" ]]; then
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cat <<'SCRIPT' >"$outfile"
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#!/usr/bin/env bash
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if [[ "$1" == "--help" ]]; then
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echo "--no-auto-update"
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fi
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exit 0
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SCRIPT
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chmod +x "$outfile"
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else
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printf '{"ok":true}\n'
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fi
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EOF
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chmod +x "${STUB_DIR}/curl"
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}
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create_wget_stub() {
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cat <<'EOF' >"${STUB_DIR}/wget"
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#!/usr/bin/env bash
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set -eo pipefail
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outfile=""
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while [[ $# -gt 0 ]]; do
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case "$1" in
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-O|--output-document)
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outfile="$2"; shift 2;;
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--header|--method|--body-data)
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shift 2;;
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-q|--quiet|--show-progress|--no-check-certificate)
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shift;;
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*)
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shift;;
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esac
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done
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if [[ -n "${outfile:-}" ]]; then
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cat <<'SCRIPT' >"$outfile"
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#!/usr/bin/env bash
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if [[ "$1" == "--help" ]]; then
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echo "--no-auto-update"
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fi
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exit 0
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SCRIPT
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chmod +x "$outfile"
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else
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printf '{"ok":true}\n'
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fi
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EOF
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chmod +x "${STUB_DIR}/wget"
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}
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create_docker_stub() {
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cat <<'EOF' >"${STUB_DIR}/docker"
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#!/usr/bin/env bash
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set -eo pipefail
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if [[ "${1:-}" == "info" ]]; then
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if [[ "${2:-}" == "--format" ]]; then
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printf 'stub-host-id\n'
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else
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printf '{}\n'
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fi
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exit 0
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fi
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exit 0
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EOF
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chmod +x "${STUB_DIR}/docker"
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}
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create_stubs() {
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create_systemctl_stub
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create_curl_stub
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create_wget_stub
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create_docker_stub
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export PATH="${STUB_DIR}:$PATH"
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}
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assert_file_contains() {
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local file=$1
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local expected=$2
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if ! grep -Fq "$expected" "$file"; then
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echo "Expected to find \"$expected\" in $file" >&2
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exit 1
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fi
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}
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test_dry_run() {
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echo "== Dry-run scenario =="
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set +e
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output="$(PULSE_FORCE_INTERACTIVE=1 PATH="${STUB_DIR}:$PATH" bash "${INSTALLER_SCRIPT}" --dry-run --url http://primary.local --token token123 2>&1)"
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status=$?
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set -e
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if [[ $status -ne 0 ]]; then
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echo "$output"
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echo "dry-run failed"
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exit 1
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fi
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if [[ "$output" != *"[dry-run]"* ]]; then
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echo "$output"
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echo "dry-run output missing markers"
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exit 1
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fi
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}
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test_install_basic() {
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echo "== Basic installation =="
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rm -f /usr/local/bin/pulse-docker-agent /etc/systemd/system/pulse-docker-agent.service
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PULSE_FORCE_INTERACTIVE=1 PATH="${STUB_DIR}:$PATH" bash "${INSTALLER_SCRIPT}" --url http://primary.local --token token123 --interval 15s >/tmp/install.log 2>&1
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test -f /usr/local/bin/pulse-docker-agent
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test -f /etc/systemd/system/pulse-docker-agent.service
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assert_file_contains /etc/systemd/system/pulse-docker-agent.service "Environment=\"PULSE_URL=http://primary.local\""
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assert_file_contains /etc/systemd/system/pulse-docker-agent.service "ExecStart=/usr/local/bin/pulse-docker-agent --url \"http://primary.local\" --interval \"15s\""
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}
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test_install_without_docker() {
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echo "== Installation without docker binary =="
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mv "${STUB_DIR}/docker" "${STUB_DIR}/docker.disabled"
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set +e
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output="$(printf 'y\n' | PULSE_FORCE_INTERACTIVE=1 PATH="${STUB_DIR}:$PATH" bash "${INSTALLER_SCRIPT}" --dry-run --url http://nodocker.local --token token456 2>&1)"
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status=${PIPESTATUS[1]:-0}
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set -e
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mv "${STUB_DIR}/docker.disabled" "${STUB_DIR}/docker"
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if [[ $status -ne 0 ]]; then
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echo "$output"
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echo "dry-run without docker failed"
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exit 1
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fi
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if [[ "$output" != *"Docker not found"* ]]; then
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echo "$output"
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echo "expected docker warning"
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exit 1
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fi
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}
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test_multi_target() {
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echo "== Multi-target installation =="
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rm -f /usr/local/bin/pulse-docker-agent /etc/systemd/system/pulse-docker-agent.service
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PULSE_FORCE_INTERACTIVE=1 PATH="${STUB_DIR}:$PATH" bash "${INSTALLER_SCRIPT}" \
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--url http://primary.local \
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--token token789 \
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--target 'https://target.one|tok1' \
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--target 'https://target.two|tok2' \
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>/tmp/install-multi.log 2>&1
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if [[ ! -f /etc/systemd/system/pulse-docker-agent.service ]]; then
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echo "ERROR: Service file doesn't exist!" >&2
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exit 1
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fi
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echo "Service file contents:"
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cat /etc/systemd/system/pulse-docker-agent.service
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assert_file_contains /etc/systemd/system/pulse-docker-agent.service 'PULSE_TARGETS='
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}
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test_uninstall() {
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echo "== Uninstall =="
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PATH="${STUB_DIR}:$PATH" bash "${INSTALLER_SCRIPT}" --uninstall >/tmp/uninstall.log 2>&1
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if [[ -f /etc/systemd/system/pulse-docker-agent.service ]]; then
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echo "service file still present after uninstall" >&2
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exit 1
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fi
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if [[ -f /usr/local/bin/pulse-docker-agent ]]; then
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echo "agent binary still present after uninstall" >&2
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exit 1
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fi
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}
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create_stubs
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test_dry_run
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test_install_basic
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test_install_without_docker
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test_multi_target
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test_uninstall
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echo "All docker-agent installer integration scenarios passed."
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EOS
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chmod +x "${container_script}"
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docker run --rm \
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-v "${PROJECT_ROOT}:/workspace:ro" \
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-v "${container_script}:/tmp/integration-test.sh:ro" \
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-w /workspace \
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"${CONTAINER_IMAGE}" \
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bash /tmp/integration-test.sh
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|
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log "Integration testing complete."
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101
scripts/tests/run.sh
Executable file
101
scripts/tests/run.sh
Executable file
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@ -0,0 +1,101 @@
|
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#!/usr/bin/env bash
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#
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# Simple harness to execute shell-based smoke tests under scripts/tests/.
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|
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set -euo pipefail
|
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|
||||
ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
|
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TEST_DIR="${ROOT_DIR}/scripts/tests"
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||||
|
||||
usage() {
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cat <<'EOF'
|
||||
Usage: scripts/tests/run.sh [test-script ...]
|
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|
||||
Run all scripts/tests/test-*.sh tests or a subset when specified.
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EOF
|
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}
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|
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discover_tests() {
|
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local -n ref=$1
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mapfile -t ref < <(find "${TEST_DIR}" -maxdepth 1 -type f -name 'test-*.sh' | sort)
|
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}
|
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|
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resolve_test_path() {
|
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local input="$1"
|
||||
if [[ "${input}" == /* ]]; then
|
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printf '%s\n' "${input}"
|
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return 0
|
||||
fi
|
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|
||||
if [[ -f "${TEST_DIR}/${input}" ]]; then
|
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printf '%s\n' "${TEST_DIR}/${input}"
|
||||
return 0
|
||||
fi
|
||||
|
||||
if [[ -f "${input}" ]]; then
|
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printf '%s\n' "${input}"
|
||||
return 0
|
||||
fi
|
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|
||||
return 1
|
||||
}
|
||||
|
||||
run_tests() {
|
||||
local -a tests=("$@")
|
||||
local total=0
|
||||
local passed=0
|
||||
local failed=0
|
||||
|
||||
for test in "${tests[@]}"; do
|
||||
((total += 1))
|
||||
local display="${test#${ROOT_DIR}/}"
|
||||
printf '==> %s\n' "${display}"
|
||||
if (cd "${ROOT_DIR}" && "${test}"); then
|
||||
echo "PASS"
|
||||
((passed += 1))
|
||||
else
|
||||
echo "FAIL"
|
||||
((failed += 1))
|
||||
fi
|
||||
echo
|
||||
done
|
||||
|
||||
echo "Summary: ${passed}/${total} passed"
|
||||
if (( failed > 0 )); then
|
||||
echo "Failures: ${failed}"
|
||||
return 1
|
||||
fi
|
||||
return 0
|
||||
}
|
||||
|
||||
main() {
|
||||
if [[ $# -gt 0 ]]; then
|
||||
if [[ "$1" == "-h" || "$1" == "--help" ]]; then
|
||||
usage
|
||||
exit 0
|
||||
fi
|
||||
fi
|
||||
|
||||
local -a tests=()
|
||||
if [[ $# -gt 0 ]]; then
|
||||
local arg resolved
|
||||
for arg in "$@"; do
|
||||
if ! resolved="$(resolve_test_path "${arg}")"; then
|
||||
echo "Unknown test: ${arg}" >&2
|
||||
exit 1
|
||||
fi
|
||||
tests+=("${resolved}")
|
||||
done
|
||||
else
|
||||
discover_tests tests
|
||||
fi
|
||||
|
||||
if [[ ${#tests[@]} -eq 0 ]]; then
|
||||
echo "No tests found under ${TEST_DIR}" >&2
|
||||
exit 1
|
||||
fi
|
||||
|
||||
run_tests "${tests[@]}"
|
||||
}
|
||||
|
||||
main "$@"
|
||||
118
scripts/tests/test-common-lib.sh
Executable file
118
scripts/tests/test-common-lib.sh
Executable file
|
|
@ -0,0 +1,118 @@
|
|||
#!/usr/bin/env bash
|
||||
#
|
||||
# Smoke test for scripts/lib/common.sh functionality.
|
||||
|
||||
set -euo pipefail
|
||||
|
||||
ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
|
||||
COMMON_LIB="${ROOT_DIR}/scripts/lib/common.sh"
|
||||
|
||||
if [[ ! -f "${COMMON_LIB}" ]]; then
|
||||
echo "common.sh not found at ${COMMON_LIB}" >&2
|
||||
exit 1
|
||||
fi
|
||||
|
||||
# shellcheck disable=SC1090
|
||||
source "${COMMON_LIB}"
|
||||
|
||||
export PULSE_NO_COLOR=1
|
||||
common::init "$0"
|
||||
|
||||
failures=0
|
||||
|
||||
assert_success() {
|
||||
local desc="$1"
|
||||
shift
|
||||
if "$@"; then
|
||||
echo "[PASS] ${desc}"
|
||||
return 0
|
||||
else
|
||||
echo "[FAIL] ${desc}" >&2
|
||||
((failures++))
|
||||
return 1
|
||||
fi
|
||||
}
|
||||
|
||||
test_functions_exist() {
|
||||
local missing=0
|
||||
local fn
|
||||
for fn in \
|
||||
common::init \
|
||||
common::log_info \
|
||||
common::log_warn \
|
||||
common::log_error \
|
||||
common::log_debug \
|
||||
common::fail \
|
||||
common::require_command \
|
||||
common::is_interactive \
|
||||
common::ensure_root \
|
||||
common::sudo_exec \
|
||||
common::run \
|
||||
common::run_capture \
|
||||
common::temp_dir \
|
||||
common::cleanup_push \
|
||||
common::cleanup_run \
|
||||
common::set_dry_run \
|
||||
common::is_dry_run; do
|
||||
if ! declare -F -- "${fn}" >/dev/null 2>&1; then
|
||||
echo "Missing function definition: ${fn}" >&2
|
||||
missing=1
|
||||
fi
|
||||
done
|
||||
[[ "${missing}" -eq 0 ]]
|
||||
}
|
||||
|
||||
test_logging() {
|
||||
local info_output debug_output warn_output
|
||||
info_output="$(common::log_info "common-log-info-test")"
|
||||
[[ "${info_output}" == *"common-log-info-test"* ]] || return 1
|
||||
|
||||
debug_output="$(common::log_debug "common-log-debug-test" 2>&1)"
|
||||
[[ -z "${debug_output}" ]] || return 1
|
||||
|
||||
warn_output="$(common::log_warn "common-log-warn-test" 2>&1)"
|
||||
[[ "${warn_output}" == *"common-log-warn-test"* ]] || return 1
|
||||
}
|
||||
|
||||
test_dry_run() {
|
||||
local tmpfile
|
||||
tmpfile="$(mktemp)"
|
||||
rm -f "${tmpfile}"
|
||||
common::set_dry_run true
|
||||
common::run --label "dry-run-touch" touch "${tmpfile}"
|
||||
common::set_dry_run false
|
||||
[[ ! -e "${tmpfile}" ]]
|
||||
}
|
||||
|
||||
test_interactive_detection() {
|
||||
# Ensure the function returns success when forced.
|
||||
if PULSE_FORCE_INTERACTIVE=1 common::is_interactive; then
|
||||
return 0
|
||||
fi
|
||||
return 1
|
||||
}
|
||||
|
||||
test_temp_dir_cleanup() {
|
||||
local tmp_dir=""
|
||||
common::temp_dir tmp_dir --prefix pulse-test-common-
|
||||
[[ -d "${tmp_dir}" ]] || return 1
|
||||
common::cleanup_run
|
||||
[[ ! -d "${tmp_dir}" ]]
|
||||
}
|
||||
|
||||
main() {
|
||||
assert_success "functions exist" test_functions_exist
|
||||
assert_success "logging output" test_logging
|
||||
assert_success "dry-run support" test_dry_run
|
||||
assert_success "interactive detection" test_interactive_detection
|
||||
assert_success "temp dir cleanup" test_temp_dir_cleanup
|
||||
|
||||
if (( failures > 0 )); then
|
||||
echo "Total failures: ${failures}" >&2
|
||||
return 1
|
||||
fi
|
||||
|
||||
echo "All common.sh smoke tests passed."
|
||||
}
|
||||
|
||||
main "$@"
|
||||
85
scripts/tests/test-docker-agent-v2.sh
Executable file
85
scripts/tests/test-docker-agent-v2.sh
Executable file
|
|
@ -0,0 +1,85 @@
|
|||
#!/usr/bin/env bash
|
||||
# Smoke tests for install-docker-agent-v2.sh
|
||||
|
||||
set -euo pipefail
|
||||
|
||||
ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
|
||||
SCRIPT_PATH="${ROOT_DIR}/scripts/install-docker-agent-v2.sh"
|
||||
TEST_NAME="install-docker-agent-v2"
|
||||
|
||||
if [[ ! -f "${SCRIPT_PATH}" ]]; then
|
||||
echo "Missing script at ${SCRIPT_PATH}" >&2
|
||||
exit 1
|
||||
fi
|
||||
|
||||
TMP_DIR="$(mktemp -d "${TMPDIR:-/tmp}/pulse-test-XXXXXX")"
|
||||
trap 'rm -rf "${TMP_DIR}"' EXIT
|
||||
|
||||
pass_count=0
|
||||
fail_count=0
|
||||
|
||||
log_pass() {
|
||||
echo "[PASS] $1"
|
||||
((pass_count++))
|
||||
return 0
|
||||
}
|
||||
|
||||
log_fail() {
|
||||
echo "[FAIL] $1" >&2
|
||||
((fail_count++))
|
||||
return 1
|
||||
}
|
||||
|
||||
run_test() {
|
||||
local desc="$1"
|
||||
shift
|
||||
if "$@"; then
|
||||
log_pass "$desc"
|
||||
else
|
||||
local status=$?
|
||||
log_fail "$desc (exit ${status})"
|
||||
fi
|
||||
}
|
||||
|
||||
set +e
|
||||
run_test "syntax check" bash -n "${SCRIPT_PATH}"
|
||||
set -e
|
||||
|
||||
# Test dry-run output captures action hints
|
||||
set +e
|
||||
DRY_RUN_OUTPUT="$("${SCRIPT_PATH}" --dry-run --url http://test.local --token testtoken 2>&1)"
|
||||
DRY_STATUS=$?
|
||||
set -e
|
||||
if (( DRY_STATUS == 0 )) && [[ "${DRY_RUN_OUTPUT}" == *"[dry-run]"* ]]; then
|
||||
log_pass "dry-run outputs actions"
|
||||
else
|
||||
log_fail "dry-run outputs actions"
|
||||
echo "${DRY_RUN_OUTPUT}"
|
||||
fi
|
||||
|
||||
if (( DRY_STATUS == 0 )); then
|
||||
log_pass "dry-run exits successfully"
|
||||
else
|
||||
log_fail "dry-run exits successfully (exit ${DRY_STATUS})"
|
||||
echo "${DRY_RUN_OUTPUT}"
|
||||
fi
|
||||
|
||||
# Test argument validation (missing token)
|
||||
MISSING_TOKEN_LOG="${TMP_DIR}/missing-token.log"
|
||||
set +e
|
||||
"${SCRIPT_PATH}" --dry-run --url http://test.local >"${MISSING_TOKEN_LOG}" 2>&1
|
||||
ARG_STATUS=$?
|
||||
set -e
|
||||
if (( ARG_STATUS == 0 )); then
|
||||
log_fail "missing token rejected"
|
||||
cat "${MISSING_TOKEN_LOG}"
|
||||
else
|
||||
log_pass "missing token rejected"
|
||||
fi
|
||||
|
||||
if (( fail_count > 0 )); then
|
||||
echo "${TEST_NAME}: ${fail_count} failures" >&2
|
||||
exit 1
|
||||
fi
|
||||
|
||||
echo "All ${TEST_NAME} tests passed (${pass_count})"
|
||||
Loading…
Add table
Add a link
Reference in a new issue