elixir-ls/.github/workflows/ci.yml at master · elixir-lsp/elixir-ls · GitHub

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name: CI

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

jobs:
  # Quick smoke test with all supported Elixir versions on latest OTP
  smoke_test_language_server:
    name: Smoke test language server (Elixir ${{matrix.elixir}} | OTP ${{matrix.otp}})
    runs-on: ubuntu-22.04
    strategy:
      fail-fast: false
      matrix:
        include:
          - elixir: 1.15.x
            otp: 26.x
            tests_may_fail: false
          - elixir: 1.16.x
            otp: 26.x
            tests_may_fail: false
          - elixir: 1.17.x
            otp: 27.x
            tests_may_fail: false
          - elixir: 1.18.x
            otp: 27.x
          - elixir: 1.19.x
            otp: 28.x
    steps:
      - uses: actions/checkout@v6
      - uses: erlef/setup-beam@v1
        with:
          otp-version: ${{matrix.otp}}
          elixir-version: ${{matrix.elixir}}
      - name: Cache dependencies
        uses: actions/cache@v5
        with:
          path: |
            _build
            deps
          key: ${{ runner.os }}-mix-${{ matrix.elixir }}-${{ matrix.otp }}-${{ hashFiles('**/mix.lock') }}
          restore-keys: |
            ${{ runner.os }}-mix-${{ matrix.elixir }}-${{ matrix.otp }}-
      - name: Install Dependencies
        run: |
          mix local.hex --force
          mix local.rebar --force
          mix deps.get --only test
      - run: |
          cd apps/elixir_ls_utils
          mix test
      - run: |
          cd apps/language_server
          mix test

  smoke_test_debug_adapter:
    name: Smoke test debug adapter (Elixir ${{matrix.elixir}} | OTP ${{matrix.otp}})
    runs-on: ubuntu-22.04
    strategy:
      fail-fast: false
      matrix:
        include:
          - elixir: 1.15.x
            otp: 26.x
            tests_may_fail: false
          - elixir: 1.16.x
            otp: 26.x
            tests_may_fail: false
          - elixir: 1.17.x
            otp: 27.x
            tests_may_fail: false
          - elixir: 1.18.x
            otp: 27.x
          - elixir: 1.19.x
            otp: 28.x
    steps:
      - uses: actions/checkout@v6
      - uses: erlef/setup-beam@v1
        with:
          otp-version: ${{matrix.otp}}
          elixir-version: ${{matrix.elixir}}
      - name: Cache dependencies
        uses: actions/cache@v5
        with:
          path: |
            _build
            deps
          key: ${{ runner.os }}-mix-${{ matrix.elixir }}-${{ matrix.otp }}-${{ hashFiles('**/mix.lock') }}
          restore-keys: |
            ${{ runner.os }}-mix-${{ matrix.elixir }}-${{ matrix.otp }}-
      - name: Install Dependencies
        run: |
          mix local.hex --force
          mix local.rebar --force
          mix deps.get --only test
      - run: |
          cd apps/elixir_ls_utils
          mix test
      - run: |
          cd apps/debug_adapter
          mix test

  # Test on lowest supported OTP versions
  compatibility_test:
    name: Compatibility test (Elixir ${{matrix.elixir}} | OTP ${{matrix.otp}} | ${{matrix.os}})
    runs-on: ${{matrix.os}}
    needs: [smoke_test_language_server, smoke_test_debug_adapter]  # Only run if smoke test passes
    strategy:
      fail-fast: false
      matrix:
        include:
          # Minimum supported versions
          - elixir: 1.15.x
            otp: 24.x
            os: ubuntu-22.04
          - elixir: 1.15.x
            otp: 24.x
            os: windows-2022
          - elixir: 1.16.x
            otp: 24.x
            os: ubuntu-22.04
          - elixir: 1.16.x
            otp: 24.x
            os: windows-2022
          - elixir: 1.17.x
            otp: 25.x
            os: ubuntu-22.04
          - elixir: 1.17.x
            otp: 25.x
            os: windows-2022
          - elixir: 1.18.x
            otp: 25.x
            os: ubuntu-22.04
          - elixir: 1.18.x
            otp: 25.x
            os: windows-2022
          - elixir: 1.19.x
            otp: 26.x
            os: ubuntu-22.04
          - elixir: 1.19.x
            otp: 26.x
            os: windows-2022
          # Latest versions
          # covered by smoke_test
          # - elixir: 1.18.x
          #   otp: 27.x
          #   os: ubuntu-22.04
          - elixir: 1.19.x
            otp: 28.x
            os: windows-2022
    env:
      MIX_ENV: test
    steps:
      - name: Set git to use original line ending (Windows)
        if: runner.os == 'Windows'
        run: git config --global core.autocrlf false
      - uses: actions/checkout@v6
      - uses: erlef/setup-beam@v1
        with:
          otp-version: ${{matrix.otp}}
          elixir-version: ${{matrix.elixir}}
      - name: Cache dependencies
        uses: actions/cache@v5
        with:
          path: |
            _build
            deps
          key: ${{ runner.os }}-mix-${{ matrix.elixir }}-${{ matrix.otp }}-${{ hashFiles('**/mix.lock') }}
          restore-keys: |
            ${{ runner.os }}-mix-${{ matrix.elixir }}-${{ matrix.otp }}-
      - name: Install Dependencies
        run: |
          mix local.hex --force
          mix local.rebar --force
          mix deps.get --only test
      - run: mix test

  static_analysis:
    name: Static analysis
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@v6
      - uses: erlef/setup-beam@v1
        with:
          otp-version: 28.x
          elixir-version: 1.19.x
      - name: Cache build artifacts
        uses: actions/cache@v5
        with:
          path: |
            ~/.hex
            ~/.mix
            _build
            deps
          key: static-analysis-${{ hashFiles('**/mix.lock') }}
          restore-keys: |
            static-analysis-
      - name: Install Dependencies
        run: |
          mix local.hex --force
          mix local.rebar --force
          mix deps.get
      - name: Restore timestamps to prevent unnecessary recompilation
        run: IFS=$'\n'; for f in $(git ls-files); do touch -d "$(git log -n 1 --pretty='%cI' -- $f)" "$f"; done
      - run: MIX_ENV=test mix format --check-formatted
      - run: cd apps/language_server && MIX_ENV=test mix format --check-formatted
      # TODO reenable
      # - run: mix dialyzer_vendored