handle OS-Specific Dependencies

.github/workflows/tests.yaml

@@ -7,7 +7,7 @@ on:
       - "**"
 
 jobs:
-  run-unittests:
+  setup:
     runs-on: ubuntu-latest
     steps:
       - name: 'Checkout repository'
@@ -25,6 +25,11 @@ jobs:
           python -m pip install --upgrade pip setuptools
       - name: 'Install dependencies'
         run: python -m pip install -r requirements.txt
+
+  run-unittests:
+    needs: setup
+    runs-on: ubuntu-latest
+    steps:
       - name: 'Run unit tests'
         run: tox -e docs
       - name: 'Test engine/basic_camera_model/main.py'
@@ -33,10 +38,12 @@ jobs:
         run: python engine/extended_camera_model/main.py
 
   smoke-tests-linux:
+    needs: setup
     strategy:
       fail-fast: false
       matrix:
-        image: [ 'ubuntu:latest', 'ubuntu:20.04', 'ubuntu:22.04', 'debian:latest', 'archlinux:latest' ]
+        image: ['ubuntu:latest', 'ubuntu:20.04', 'ubuntu:22.04', 'debian:latest', 'archlinux:latest']
+        python_version: ['3.11', '3.12']
     runs-on: ubuntu-latest
     container:
       image: ${{ matrix.image }}
@@ -55,10 +62,16 @@ jobs:
           submodules: true
       - name: 'Setup timezone'
         run: ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
+      - name: 'Install OpenGL dependencies (Ubuntu/Debian)'
+        if: ${{ contains(matrix.image, 'ubuntu') || contains(matrix.image, 'debian') }}
+        run: sudo apt-get install -y libgl1-mesa-glx
+      - name: 'Install OpenGL dependencies (Arch)'
+        if: ${{ contains(matrix.image, 'archlinux') }}
+        run: sudo pacman -Syu --noconfirm libglvnd
       - name: 'Setup Python'
         uses: actions/setup-python@v4
         with:
-          python-version: '3.11'
+          python-version: ${{ matrix.python_version }}
       - name: Ensure pip is installed
         run: python -m ensurepip --upgrade
       - name: Upgrade pip and setuptools
@@ -74,10 +87,12 @@ jobs:
         run: python engine/extended_camera_model/main.py
 
   smoke-tests-macos:
+    needs: setup
     strategy:
       fail-fast: false
       matrix:
-        macos_version: [ 'macos-latest', 'macos-13' ]
+        macos_version: ['macos-latest', 'macos-13']
+        python_version: ['3.11', '3.12']
     runs-on: ${{ matrix.macos_version }}
     steps:
       - name: 'Checkout repository'
@@ -87,7 +102,7 @@ jobs:
       - name: 'Setup Python'
         uses: actions/setup-python@v4
         with:
-          python-version: '3.11'
+          python-version: ${{ matrix.python_version }}
       - name: Ensure pip is installed
         run: python -m ensurepip --upgrade
       - name: Upgrade pip and setuptools