ci.yml

# Copyright 2021 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
#
#     https://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: CI

on:
  # Triggers the workflow on push or pull request events but only for the main branch
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]
  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:

env:
  CDSAPI_URL: https://cds.climate.copernicus.eu/api/v2
  CDSAPI_KEY: 12345:1234567-ab12-34cd-9876-4o4fake90909  # A fake key for testing

jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        python-version: ["3.8", "3.9"]
    steps:
    - name: Cancel previous
      uses: styfle/cancel-workflow-action@0.7.0
      with:
        access_token: ${{ github.token }}
      if: ${{github.ref != 'refs/head/main'}}
    - uses: actions/checkout@v2
    - name: conda cache
      uses: actions/cache@v2
      env:
        # Increase this value to reset cache if etc/example-environment.yml has not changed
        CACHE_NUMBER: 0
      with:
        path: ~/conda_pkgs_dir
        key:
          ${{ runner.os }}-conda-${{ env.CACHE_NUMBER }}-${{ matrix.python-version }}-${{ hashFiles('ci3.8.yml') }}
    - name: Setup conda environment
      uses: conda-incubator/setup-miniconda@v2
      with:
        python-version: ${{ matrix.python-version }}
        channels: conda-forge
        environment-file: ci${{ matrix.python-version}}.yml
        activate-environment: weather-tools
    - name: Check MetView's installation
      shell: bash -l {0}
      run: python -m metview selfcheck
    - name: Run unit tests
      shell: bash -l {0}
      run: pytest --memray
  lint:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
    steps:
      - name: Cancel previous
        uses: styfle/cancel-workflow-action@0.7.0
        with:
          access_token: ${{ github.token }}
        if: ${{github.ref != 'refs/head/main'}}
      - uses: actions/checkout@v2
      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v2
        with:
          python-version: ${{ matrix.python-version }}
      - name: Get pip cache dir
        id: pip-cache
        run: |
          python -m pip install --upgrade pip wheel
          echo "::set-output name=dir::$(pip cache dir)"
      - name: Install linter
        run: |
          pip install ruff
      - name: Lint project
        run: ruff check .
  type-check:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
    steps:
      - name: Cancel previous
        uses: styfle/cancel-workflow-action@0.7.0
        with:
          access_token: ${{ github.token }}
        if: ${{github.ref != 'refs/head/main'}}
      - uses: actions/checkout@v2
      - name: Set up Python 3.8
        uses: actions/setup-python@v2
        with:
          python-version: "3.8"
      - name: Setup conda
        uses: s-weigand/setup-conda@v1
        with:
          update-conda: true
          python-version: "3.8"
          conda-channels: anaconda, conda-forge
      - name: Install ecCodes
        run: |
          conda install -y eccodes>=2.21.0 -c conda-forge
          conda install -y pyproj -c conda-forge
          conda install -y gdal -c conda-forge
      - name: Get pip cache dir
        id: pip-cache
        run: |
          python -m pip install --upgrade pip wheel
          echo "::set-output name=dir::$(pip cache dir)"
      - name: Install weather-tools
        run: |
          pip install -e .[test] --use-deprecated=legacy-resolver
      - name: Run type checker
        run: pytype