test.yml

# This workflow runs on every pull request and push on any other branch other than master.
# It executes the test suite on different environments to validate the add-on.
name: Test suite

# Triggers the workflow on pull requests created for the master branch as well as
# push events on other branches than master.
on:
  push:
    branches:
      - "*"
      - "!master"
  pull_request:
    branches: [ master ]
  workflow_call:

# Workflow steps
jobs:
  build:
    name: "${{ matrix.environment.os }} | Blender ${{ matrix.blender.version }}"
    runs-on: ${{ matrix.environment.os }}
    strategy:
      # Do not stop other jobs if one fails
      fail-fast: false
      matrix:
        environment:
        - {
          os: "ubuntu-latest",
          mitsuba-version: "3.0.1"
        }
        - {
          os: "windows-latest",
          mitsuba-version: "3.0.1"
        }
        blender:
        - {
          version: "2.93"
        }
        - {
          version: "3.3"
        }
        
    steps:
    - name: Git checkout
      uses: actions/checkout@v2

    - name: Setup Python
      uses: "actions/setup-python@v2"

    - name: Install Python dependencies
      run: python -m pip install --upgrade requests

    - name: Retrieve Blender full version
      id: blender-version
      shell: bash
      run: |
        echo "::set-output name=BLENDER_VERSION::$(python scripts/blender_downloader.py ${{ matrix.blender.version }} --print-version)"

    - name: Cache Blender archive
      id: cache-blender
      uses: actions/cache@v3
      with:
        path: blender
        key: ${{ matrix.environment.os }}-${{ steps.blender-version.outputs.BLENDER_VERSION }}-v1

    - name: Download Blender
      if: steps.cache-blender.outputs.cache-hit != 'true'
      run: python scripts/blender_downloader.py ${{ matrix.blender.version }} -o blender

    - name: Install Blender dependencies
      shell: bash
      run: |
        BLENDER_PYTHON=$(find blender/ -regextype posix-extended -regex '.*bin\/python(.exe|[0-9].[0-9]{1,2}m?)' -print -quit)
        echo "Blender Python is $BLENDER_PYTHON"
        ./$BLENDER_PYTHON -m ensurepip
        ./$BLENDER_PYTHON -m pip install -U pip
        ./$BLENDER_PYTHON -m pip install --upgrade pytest pytest-cov
        ./$BLENDER_PYTHON -m pip install mitsuba==${{ matrix.environment.mitsuba-version }} --force-reinstall

    - name: Run Addon test suite
      shell: bash
      run: |
        BLENDER_EXECUTABLE=$(find blender/ -maxdepth 1 -regextype posix-extended -regex '.*blender(.exe)?' -print -quit)
        echo "Blender Executable is $BLENDER_EXECUTABLE"
        ./$BLENDER_EXECUTABLE -b -noaudio --factory-startup --python scripts/run_tests.py -- -v --cov=mitsuba-blender