Add testing on CI/GHA

.github/workflows/tests.yml

@@ -0,0 +1,73 @@
+name: Tests
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+jobs:
+  tests:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest]  # macos-latest, windows-latest
+        python-version: ["3.6", "3.7", "3.8", "3.9"]
+        include:
+        - os: ubuntu-latest
+          path: ~/.cache/pip
+        #- os: macos-latest
+        #  path: ~/Library/Caches/pip
+        #- os: windows-latest
+        #  path: ~\AppData\Local\pip\Cache
+    env:
+      OS: ${{ matrix.os }}
+      PYTHON: ${{ matrix.python-version }}
+
+    defaults:
+      run:
+        shell: bash
+
+    name: Python ${{ matrix.python-version }} on OS ${{ matrix.os }}
+    steps:
+
+    - name: Acquire sources
+      uses: actions/checkout@v2
+
+    #- name: Setup Python
+    #  uses: actions/setup-python@v2
+    #  with:
+    #    python-version: ${{ matrix.python-version }}
+    #    architecture: x64
+
+    - name: Setup GStreamer
+      if: matrix.os == 'ubuntu-latest'
+      run: |
+        sudo apt-get install gstreamer1.0 gstreamer1.0-tools gstreamer1.0-alsa gstreamer1.0-plugins-base gstreamer1.0-plugins-good
+        sudo apt-get install python3 python3-gst-1.0 python3-gi python3-tz
+
+    - uses: actions/cache@v2
+      with:
+        path: ${{ matrix.path }}
+        key: ${{ runner.os }}-pip-${{ hashFiles('setup.py') }}
+        restore-keys: |
+         ${{ runner.os }}-pip-
+
+    - name: Run tests
+      run: |
+        pip install .[test]
+        pytest -vvv tests
+
+    - name: Generate coverage report
+      if: matrix.python-version == '3.9'
+      run: |
+        pytest --cov=mqttwarn tests
+        coverage xml
+
+    - name: Upload coverage to Codecov
+      if: matrix.os == 'ubuntu-latest' && matrix.python-version == '3.9'
+      uses: codecov/codecov-action@v1
+      with:
+        file: ./coverage.xml
+        flags: unittests
+        env_vars: OS,PYTHON
+        name: codecov-umbrella
+        fail_ci_if_error: false