langchain/.github/workflows/check_diffs.yml

name: CI

on:
  push:
    branches: [master]
  pull_request:
  merge_group:

# If another push to the same PR or branch happens while this workflow is still running,
# cancel the earlier run in favor of the next run.
#
# There's no point in testing an outdated version of the code. GitHub only allows
# a limited number of job runners to be active at the same time, so it's better to cancel
# pointless jobs early so that more useful jobs can run sooner.
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

env:
  UV_FROZEN: "true"
  UV_NO_SYNC: "true"

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-python@v5
        with:
          python-version: '3.11'
      - id: files
        uses: Ana06/get-changed-files@v2.2.0
      - id: set-matrix
        run: |
          python -m pip install packaging requests
          python .github/scripts/check_diff.py ${{ steps.files.outputs.all }} >> $GITHUB_OUTPUT
    outputs:
      lint: ${{ steps.set-matrix.outputs.lint }}
      test: ${{ steps.set-matrix.outputs.test }}
      extended-tests: ${{ steps.set-matrix.outputs.extended-tests }}
      compile-integration-tests: ${{ steps.set-matrix.outputs.compile-integration-tests }}
      dependencies: ${{ steps.set-matrix.outputs.dependencies }}
      test-doc-imports: ${{ steps.set-matrix.outputs.test-doc-imports }}
      test-pydantic: ${{ steps.set-matrix.outputs.test-pydantic }}
  lint:
    name: cd ${{ matrix.job-configs.working-directory }}
    needs: [ build ]
    if: ${{ needs.build.outputs.lint != '[]' }}
    strategy:
      matrix:
        job-configs: ${{ fromJson(needs.build.outputs.lint) }}
      fail-fast: false
    uses: ./.github/workflows/_lint.yml
    with:
      working-directory: ${{ matrix.job-configs.working-directory }}
      python-version: ${{ matrix.job-configs.python-version }}
    secrets: inherit

  test:
    name: cd ${{ matrix.job-configs.working-directory }}
    needs: [ build ]
    if: ${{ needs.build.outputs.test != '[]' }}
    strategy:
      matrix:
        job-configs: ${{ fromJson(needs.build.outputs.test) }}
      fail-fast: false
    uses: ./.github/workflows/_test.yml
    with:
      working-directory: ${{ matrix.job-configs.working-directory }}
      python-version: ${{ matrix.job-configs.python-version }}
    secrets: inherit

  test-pydantic:
    name: cd ${{ matrix.job-configs.working-directory }}
    needs: [ build ]
    if: ${{ needs.build.outputs.test-pydantic != '[]' }}
    strategy:
      matrix:
        job-configs: ${{ fromJson(needs.build.outputs.test-pydantic) }}
      fail-fast: false
    uses: ./.github/workflows/_test_pydantic.yml
    with:
      working-directory: ${{ matrix.job-configs.working-directory }}
      pydantic-version: ${{ matrix.job-configs.pydantic-version }}
    secrets: inherit

  test-doc-imports:
    needs: [ build ]
    if: ${{ needs.build.outputs.test-doc-imports != '[]' }}
    strategy:
      matrix:
        job-configs: ${{ fromJson(needs.build.outputs.test-doc-imports) }}
      fail-fast: false
    uses: ./.github/workflows/_test_doc_imports.yml
    secrets: inherit
    with:
      python-version: ${{ matrix.job-configs.python-version }}

  compile-integration-tests:
    name: cd ${{ matrix.job-configs.working-directory }}
    needs: [ build ]
    if: ${{ needs.build.outputs.compile-integration-tests != '[]' }}
    strategy:
      matrix:
        job-configs: ${{ fromJson(needs.build.outputs.compile-integration-tests) }}
      fail-fast: false
    uses: ./.github/workflows/_compile_integration_test.yml
    with:
      working-directory: ${{ matrix.job-configs.working-directory }}
      python-version: ${{ matrix.job-configs.python-version }}
    secrets: inherit

  extended-tests:
    name: "cd ${{ matrix.job-configs.working-directory }} / make extended_tests #${{ matrix.job-configs.python-version }}"
    needs: [ build ]
    if: ${{ needs.build.outputs.extended-tests != '[]' }}
    strategy:
      matrix:
        # note different variable for extended test dirs
        job-configs: ${{ fromJson(needs.build.outputs.extended-tests) }}
      fail-fast: false
    runs-on: ubuntu-latest
    timeout-minutes: 20
    defaults:
      run:
        working-directory: ${{ matrix.job-configs.working-directory }}
    steps:
      - uses: actions/checkout@v4

      - name: Set up Python ${{ matrix.job-configs.python-version }} + uv
        uses: "./.github/actions/uv_setup"
        with:
          python-version: ${{ matrix.job-configs.python-version }}

      - name: Install dependencies and run extended tests
        shell: bash
        run: |
          echo "Running extended tests, installing dependencies with uv..."
          uv venv
          uv sync --group test
          VIRTUAL_ENV=.venv uv pip install -r extended_testing_deps.txt
          VIRTUAL_ENV=.venv make extended_tests

      - name: Ensure the tests did not create any additional files
        shell: bash
        run: |
          set -eu

          STATUS="$(git status)"
          echo "$STATUS"

          # grep will exit non-zero if the target message isn't found,
          # and `set -e` above will cause the step to fail.
          echo "$STATUS" | grep 'nothing to commit, working tree clean'
  ci_success:
    name: "CI Success"
    needs: [build, lint, test, compile-integration-tests, extended-tests, test-doc-imports, test-pydantic]
    if: |
      always()
    runs-on: ubuntu-latest
    env:
      JOBS_JSON: ${{ toJSON(needs) }}
      RESULTS_JSON: ${{ toJSON(needs.*.result) }}
      EXIT_CODE: ${{!contains(needs.*.result, 'failure') && !contains(needs.*.result, 'cancelled') && '0' || '1'}}
    steps:
      - name: "CI Success"
        run: |
          echo $JOBS_JSON
          echo $RESULTS_JSON
          echo "Exiting with $EXIT_CODE"
          exit $EXIT_CODE