flutter_packages_test.yaml

# Copyright 2025 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

name: Flutter CI, except 'e2e_test'

on:
  workflow_dispatch:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main
  schedule:
    - cron: "0 * * * *" # hourly

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
  cancel-in-progress: true

permissions:
  contents: read

jobs:
  matrix:
    runs-on: ubuntu-latest
    outputs:
      matrix: ${{ steps.generate_matrix.outputs.matrix }}
      flutter_version: ${{ steps.generate_matrix.outputs.flutter_version }}
    steps:
      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
        with:
          persist-credentials: false

      - name: Generate testing matrix
        id: generate_matrix
        run: |
          DIRS_TO_TEST=$(find samples -name pubspec.yaml -not -path "*/.dart_tool/*" -not -path "*/e2e_test/*" -exec dirname {} \;)

          JSON_MATRIX="["
          FIRST=true
          for dir in $DIRS_TO_TEST; do
            if [ "$FIRST" = false ]; then
              JSON_MATRIX="$JSON_MATRIX,"
            fi
            FIRST=false
            package_name=$(echo "$dir" | tr '/' '_')
            package_path="$dir"
            JSON_MATRIX="$JSON_MATRIX{\"name\":\"$package_name\",\"path\":\"$package_path\"}"
          done
          JSON_MATRIX="$JSON_MATRIX]"

          echo "matrix=$JSON_MATRIX" >> $GITHUB_OUTPUT

          if [ "${{ github.event_name }}" = "pull_request" ]; then
            echo 'flutter_version=["stable"]' >> $GITHUB_OUTPUT
          else
            echo 'flutter_version=["beta", "stable"]' >> $GITHUB_OUTPUT
          fi

  cycle-check:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
        with:
          persist-credentials: false
      - uses: ./.github/actions/setup-dart
      - name: Check for cycles across packages
        run: |
          dart pub global activate layerlens
          DIRS=$(find samples -name pubspec.yaml -not -path "*/.dart_tool/*" -not -path "*/e2e_test/*" -exec dirname {} \;)
          for dir in $DIRS; do
            echo "Checking cycles in $dir..."
            (cd "$dir" && dart pub get && layerlens --fail-on-cycles --except "lib/src/schema" --except "lib/src/core")
          done

  analyze_and_test:
    needs: matrix
    name: ${{ matrix.package.name }} (${{ matrix.flutter_version }})
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        package: ${{ fromJson(needs.matrix.outputs.matrix) }}
        flutter_version: ${{ fromJson(needs.matrix.outputs.flutter_version) }}
        os: [ubuntu-latest]
    steps:
      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
        with:
          persist-credentials: false
      - uses: ./.github/actions/setup-dart
        with:
          channel: ${{ matrix.flutter_version }}
      - name: Print Flutter version
        run: flutter --version
      - name: Update submodules
        working-directory: ${{ matrix.package.path }}
        run: git submodule update --init --recursive
      - name: Install dependencies
        working-directory: ${{ matrix.package.path }}
        run: dart pub get
      - name: Check formatting
        working-directory: ${{ matrix.package.path }}
        run: dart format --output=none --set-exit-if-changed .
      - name: Analyze code
        working-directory: ${{ matrix.package.path }}
        run: flutter analyze --fatal-infos
      - name: Run tests
        working-directory: ${{ matrix.package.path }}
        run: |
          if [ -d "test" ]; then
            flutter test --test-randomize-ordering-seed=random
          else
            echo "No 'test' directory found in ${{ matrix.package.path }}, skipping tests."
          fi