merge.yml

name: darts PR merge workflow

on:
  push:
    branches:
      - master

jobs:
  lint:
    runs-on: ubuntu-latest
    steps:
      - name: "1. Clone repository"
        uses: actions/checkout@v2

      - name: "2. Set up Python 3.10"
        uses: actions/setup-python@v1
        with:
          python-version: '3.10'

        # downloading gradle multiple times in parallel can yield to connection errors
      - name: "3. Cache gradle distribution"
        uses: actions/cache@v2
        with:
          path: ~/.gradle/wrapper/dists
          key: tests-${{ runner.os }}-gradle-${{ hashFiles('gradle/wrapper/gradle-wrapper.properties') }}

      - name: "3.1 Cache gradle packages"
        uses: actions/cache@v2
        with:
          path: ~/.gradle/caches
          key: tests-${{ runner.os }}-gradle-${{ hashFiles('gradle/wrapper/gradle-wrapper.properties', 'build.gradle') }}

      - name: "4. Lint"
        run: |
          ./gradlew lint

  tests:
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [macos-latest, ubuntu-latest]
        python-version: ['3.8', '3.10']
        flavour: ['core', 'torch', 'all']

    steps:
      - name: "1. Clone repository"
        uses: actions/checkout@v2

      - name: "2. Set up Python ${{ matrix.python-version }}"
        uses: actions/setup-python@v1
        with:
          python-version: ${{ matrix.python-version }}

        # downloading gradle multiple times in parallel can yield to connection errors
      - name: "3. Cache gradle distribution"
        uses: actions/cache@v2
        with:
          path: ~/.gradle/wrapper/dists
          key: tests-${{ runner.os }}-gradle-${{ hashFiles('gradle/wrapper/gradle-wrapper.properties') }}

      - name: "3.1 Cache gradle packages"
        uses: actions/cache@v2
        with:
          path: ~/.gradle/caches
          key: tests-${{ runner.os }}-gradle-${{ hashFiles('gradle/wrapper/gradle-wrapper.properties', 'build.gradle') }}

      - name: "4. Setup pip"
        run: |
          ./gradlew setupPip

      - name: "5. Install libomp (for LightGBM)"
        run: |
          ./.github/scripts/libomp-${{ runner.os }}.sh

      - name: "6. Tests"
        run: |
          ./gradlew "test_${{matrix.flavour}}"

      - name: "7. Codecov upload"
        if: ${{ matrix.flavour == 'all' }}
        uses: codecov/codecov-action@v2
        with:
          fail_ci_if_error: true
          files: ./coverage.xml

  check-examples:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        example-name: [00-quickstart.ipynb, 01-multi-time-series-and-covariates.ipynb, 02-data-processing.ipynb, 03-FFT-examples.ipynb, 04-RNN-examples.ipynb, 05-TCN-examples.ipynb, 06-Transformer-examples.ipynb, 07-NBEATS-examples.ipynb, 08-DeepAR-examples.ipynb, 09-DeepTCN-examples.ipynb, 10-Kalman-filter-examples.ipynb, 11-GP-filter-examples.ipynb, 12-Dynamic-Time-Warping-example.ipynb, 13-TFT-examples.ipynb, 15-static-covariates.ipynb, 16-hierarchical-reconciliation.ipynb, 18-TiDE-examples.ipynb, 19-EnsembleModel-examples.ipynb]
    steps:
      - name: "1. Clone repository"
        uses: actions/checkout@v2

      - name: "2. Set up Python 3.9"
        uses: actions/setup-python@v1
        with:
          python-version: '3.9'

      # downloading gradle multiple times in parallel can yield to connection errors
      - name: "3. Cache gradle distribution"
        uses: actions/cache@v2
        with:
          path: ~/.gradle/wrapper/dists
          key: tests-${{ runner.os }}-gradle-${{ hashFiles('gradle/wrapper/gradle-wrapper.properties') }}

      - name: "3.1 Cache gradle packages"
        uses: actions/cache@v2
        with:
          path: ~/.gradle/caches
          key: tests-${{ runner.os }}-gradle-${{ hashFiles('gradle/wrapper/gradle-wrapper.properties', 'build.gradle') }}

      # TODO: why is this a matrix? there is no pip caching, and we restart this for each item in the matrix
      - name: "4. Run examples ${{matrix.example-name}}"
        run: |
          ./gradlew checkExample -PexampleName=${{matrix.example-name}}

  docs:
    runs-on: ubuntu-latest

    steps:
      - name: "1. Clone repository"
        uses: actions/checkout@v2

      - name: "2. Set up Python 3.9"
        uses: actions/setup-python@v1
        with:
          python-version: '3.9'

      - name: "3. Install pandoc"
        run: |
          sudo apt-get install -y pandoc

      # downloading gradle multiple times in parallel can yield to connection errors
      - name: "4. Cache gradle distribution"
        uses: actions/cache@v2
        with:
          path: ~/.gradle/wrapper/dists
          key: tests-${{ runner.os }}-gradle-${{ hashFiles('gradle/wrapper/gradle-wrapper.properties') }}

      - name: "4.1 Cache gradle packages"
        uses: actions/cache@v2
        with:
          path: ~/.gradle/caches
          key: tests-${{ runner.os }}-gradle-${{ hashFiles('gradle/wrapper/gradle-wrapper.properties', 'build.gradle') }}

      - name: "5. Setup pip"
        run: |
          ./gradlew setupPip

      - name: "6. Attach cache for pip"
        uses: actions/cache@v1
        id: cache
        with:
          path: ~/.cache/pip
          key: release-${{ runner.os }}-3.9-pip-${{ hashFiles('requirements/core.txt', 'requirements/release.txt') }}

      - name: "7. Build docs"
        run: |
          ./gradlew buildDocs