name: Test Action

on:
  pull_request:
  push:
    branches:
      - master
  workflow_dispatch:

jobs:
  smoke:
    # Cross-OS coverage. Exercises the bootstrap install + PATH on each platform,
    # the version-respects-request regression (#225 / #230 — Windows PATH shadow),
    # and the bin_dest output regression (#247). Multi-version coverage on Linux
    # so we don't pay 3x for major-version differences.
    name: 'Smoke (${{ matrix.name }})'

    runs-on: ${{ matrix.os }}

    strategy:
      fail-fast: false
      matrix:
        include:
          - name: 'ubuntu / v9.15.5'
            os: ubuntu-latest
            version: '9.15.5'
          - name: 'ubuntu / v10.33.0'
            os: ubuntu-latest
            version: '10.33.0'
          - name: 'ubuntu / v9.15.5 / custom-dest'
            os: ubuntu-latest
            version: '9.15.5'
            dest: '~/test/pnpm'
          - name: 'macos / v9.15.5'
            os: macos-latest
            version: '9.15.5'
          - name: 'windows / v9.15.5'
            os: windows-latest
            version: '9.15.5'

    steps:
      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1

      - id: pnpm
        name: Run the action
        uses: ./
        with:
          version: ${{ matrix.version }}
          dest: ${{ matrix.dest || '~/setup-pnpm' }}

      - name: 'Test: pnpm/pnpx on PATH report the requested version (incl. via bin_dest)'
        # Pass paths via env, not template interpolation, so Windows
        # backslashes in `bin_dest` aren't eaten by bash's escape handling.
        env:
          BIN_DEST: ${{ steps.pnpm.outputs.bin_dest }}
          REQUIRED: ${{ matrix.version }}
        run: |
          set -e
          which pnpm
          which pnpx
          actual="$(pnpm --version)"
          echo "pnpm --version: ${actual}"
          if [ "${actual}" != "${REQUIRED}" ]; then
            echo "Expected pnpm version ${REQUIRED}, but got ${actual}"
            exit 1
          fi
          bin_dest_version="$("$BIN_DEST/pnpm" --version)"
          echo "bin_dest pnpm --version: ${bin_dest_version}"
          if [ "${bin_dest_version}" != "${REQUIRED}" ]; then
            echo "Expected ${REQUIRED} via bin_dest, but got ${bin_dest_version}"
            exit 1
          fi
        shell: bash

      - name: 'Test: install in a fresh project'
        run: |
          mkdir /tmp/test-project
          cd /tmp/test-project
          pnpm init
          pnpm add is-odd
        shell: bash

  manifest_pin:
    # Folds the old test_package_manager_field, test_dev_engines, and
    # test_dev_engines_on_fail_error jobs. The action's manifest handling is
    # OS-independent, so ubuntu-only is sufficient.
    name: 'Manifest pin: ${{ matrix.label }}'

    runs-on: ubuntu-latest

    strategy:
      fail-fast: false
      matrix:
        include:
          - label: 'packageManager pnpm@9.15.5 (#227)'
            manifest: '{"packageManager":"pnpm@9.15.5"}'
            version: '9.15.5'
          - label: 'packageManager pnpm@10.33.0'
            manifest: '{"packageManager":"pnpm@10.33.0"}'
            version: '10.33.0'
          - label: 'devEngines onFail=download, exact'
            manifest: '{"devEngines":{"packageManager":{"name":"pnpm","version":"9.15.5","onFail":"download"}}}'
            version: '9.15.5'
          - label: 'devEngines onFail=download, range'
            manifest: '{"devEngines":{"packageManager":{"name":"pnpm","version":">=9.15.0","onFail":"download"}}}'
            version: '>=9.15.0'
          - label: 'devEngines onFail=error, exact (#252)'
            manifest: '{"devEngines":{"packageManager":{"name":"pnpm","version":"9.15.5","onFail":"error"}}}'
            version: '9.15.5'
          - label: 'devEngines onFail=error, range (#252)'
            manifest: '{"devEngines":{"packageManager":{"name":"pnpm","version":">=9.15.0","onFail":"error"}}}'
            version: '>=9.15.0'
          - label: 'explicit version: pnpm_config_pm_on_fail not exported'
            # Regression guard for the af8e203 scope fix: when the user passes an
            # explicit `version:` input, the action must NOT export
            # pnpm_config_pm_on_fail=download, so the user's strict onFail policy
            # is preserved. Asserted directly on the env var rather than pnpm
            # runtime behavior — different pnpm majors read devEngines
            # differently (v10 ignores it, v11+ honors it).
            manifest: '{"devEngines":{"packageManager":{"name":"pnpm","version":"9.15.5","onFail":"error"}}}'
            explicit_version: '10.33.0'
            expect_pm_on_fail_unset: true

    steps:
      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1

      - name: Set up package.json
        run: echo '${{ matrix.manifest }}' > package.json
        shell: bash

      - name: Run the action
        uses: ./
        with:
          version: ${{ matrix.explicit_version }}

      - name: 'Test: pnpm reports the pinned version'
        if: ${{ !matrix.expect_pm_on_fail_unset }}
        env:
          REQUIRED: ${{ matrix.version }}
        run: |
          set -e
          actual="$(pnpm --version)"
          echo "pnpm version: ${actual}"
          if [ "${REQUIRED}" = ">=9.15.0" ]; then
            min="9.15.0"
            if [ "$(printf '%s\n' "${min}" "${actual}" | sort -V | head -n1)" != "${min}" ]; then
              echo "Expected pnpm version >= ${min}, but got ${actual}"
              exit 1
            fi
          else
            if [ "${actual}" != "${REQUIRED}" ]; then
              echo "Expected pnpm version ${REQUIRED}, but got ${actual}"
              exit 1
            fi
          fi
        shell: bash

      - name: 'Test: pnpm_config_pm_on_fail not exported (explicit version preserves strict policy)'
        if: ${{ matrix.expect_pm_on_fail_unset }}
        run: |
          if [ -n "${pnpm_config_pm_on_fail:-}" ]; then
            echo "Expected pnpm_config_pm_on_fail to be unset, but got: '${pnpm_config_pm_on_fail}'"
            exit 1
          fi
          echo "pnpm_config_pm_on_fail is unset, as expected"
        shell: bash

  standalone:
    name: Standalone mode

    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1

      - name: Run the action
        uses: ./
        with:
          version: 9.15.0
          standalone: true

      - name: 'Test: pnpm works'
        run: |
          set -e
          which pnpm
          actual="$(pnpm --version)"
          if [ "${actual}" != "9.15.0" ]; then
            echo "Expected 9.15.0, got ${actual}"
            exit 1
          fi
          mkdir /tmp/test-standalone
          cd /tmp/test-standalone
          pnpm init
          pnpm add is-odd
        shell: bash

  standalone_windows_self_update:
    # Regression guard for the patchPnpmEnv PATH-shadow bug. When
    # standalone: true on Windows AND the requested pnpm differs from the
    # bootstrap, the previous patchPnpmEnv prepended node_modules/.bin to
    # PATH; that directory contains an npm-created pnpm.cmd shim pointing
    # at the BOOTSTRAP pnpm, which shadowed the self-updated pnpm at
    # $PNPM_HOME/bin and caused `pnpm install` inside the action to run
    # under the bootstrap version. Exercising a newer-pnpm-only flag
    # (`--no-runtime`, added in 11.1.0) makes the regression assertable:
    # if the bootstrap (11.0.4) handles the install, it errors with
    # "Unknown option: 'runtime'".
    name: 'Standalone Windows self-update (PATH regression)'
    runs-on: windows-latest
    steps:
      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1

      - name: Set up package.json with a minimal manifest
        # run_install needs a manifest to install against. Removing the
        # repo's existing pnpm-lock.yaml avoids frozen-lockfile mismatch.
        run: |
          rm -f pnpm-lock.yaml
          echo '{"name":"sw","private":true,"packageManager":"pnpm@11.1.0"}' > package.json
        shell: bash

      - name: Run the action
        uses: ./
        with:
          version: 11.1.0
          standalone: true
          run_install: |
            args: ['--no-runtime']

      - name: 'Test: pnpm install completed under the self-updated pnpm'
        # If the bug recurs, the previous step's run_install will have failed
        # the job with "Unknown option: 'runtime'", so reaching this step
        # implies success. Still verify the version on PATH matches request.
        env:
          REQUIRED: '11.1.0'
        run: |
          set -e
          actual="$(pnpm --version)"
          echo "pnpm --version: ${actual}"
          if [ "${actual}" != "${REQUIRED}" ]; then
            echo "Expected pnpm ${REQUIRED}, got ${actual}"
            exit 1
          fi
        shell: bash

  cache_store_path:
    # Regression guard for #233. When package.json pins a pnpm major that
    # differs from the bootstrap pnpm's major, the bootstrap reports its
    # own STORE_VERSION from `pnpm store path` (the `store` command skips
    # pnpm's auto-switch). The user's actual `pnpm install` runs under the
    # pinned version and writes to a different STORE_VERSION, so the post
    # step's saveCache then fails with "Path Validation Error". The fix is
    # to self-update the bootstrap to the pinned version up front.
    name: 'Cache store path matches install (#233): ${{ matrix.label }}'

    runs-on: ubuntu-latest

    strategy:
      fail-fast: false
      matrix:
        include:
          - label: 'packageManager pnpm@10.33.0'
            manifest: '{"packageManager":"pnpm@10.33.0","dependencies":{"is-odd":"3.0.1"}}'
          - label: 'devEngines exact pnpm@10.33.0'
            manifest: '{"devEngines":{"packageManager":{"name":"pnpm","version":"10.33.0"}},"dependencies":{"is-odd":"3.0.1"}}'
          - label: 'devEngines range >=10 <11'
            manifest: '{"devEngines":{"packageManager":{"name":"pnpm","version":">=10 <11"}},"dependencies":{"is-odd":"3.0.1"}}'

    steps:
      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1

      - name: Set up package.json
        run: echo '${{ matrix.manifest }}' > package.json
        shell: bash

      - id: pnpm
        uses: ./
        with:
          cache: true
          run_install: |
            - args: [--no-frozen-lockfile]

      - name: 'Test: store path computed by the action exists on disk'
        run: |
          set -e
          actual="$(pnpm store path --silent)"
          echo "pnpm store path: ${actual}"
          if [ ! -d "${actual}" ]; then
            echo "Expected store path to exist on disk; cache save would fail"
            exit 1
          fi
        shell: bash

  run_install:
    name: 'run_install (${{ matrix.run_install.name }})'

    runs-on: ubuntu-latest

    strategy:
      fail-fast: false
      matrix:
        run_install:
          - name: 'null'
            value: 'null'
          - name: 'global'
            value: |
              args:
                - --global
                - --global-dir=./pnpm-global
                - npm
                - yarn

    steps:
      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1

      - name: Run the action
        uses: ./
        with:
          version: 9.15.5
          run_install: ${{ matrix.run_install.value }}

      - name: 'Test: pnpm works'
        run: |
          set -e
          which pnpm
          which pnpx
          actual="$(pnpm --version)"
          if [ "${actual}" != "9.15.5" ]; then
            echo "Expected 9.15.5, got ${actual}"
            exit 1
          fi
        shell: bash