Use GitHub Actions.

.github/workflows/tests.yml

@@ -0,0 +1,55 @@
+name: tests
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+  schedule:
+    - cron: '14 7 * * 0'  # run once a week on Sunday
+  workflow_dispatch:
+
+jobs:
+  build:
+    strategy:
+      matrix:
+        config:
+        # [Python version, tox env]
+        - ["2.7",   "py27"]
+        - ["3.4",   "py34"]
+        - ["3.5",   "py35"]
+        - ["3.6",   "py36"]
+        - ["3.7",   "py37"]
+        - ["3.8",   "py38"]
+        - ["3.9",   "py39"]
+        - ["3.10",  "py310"]
+        - ["pypy",  "pypy"]
+        - ["pypy3", "pypy3"]
+
+    runs-on: ubuntu-latest
+    name: ${{ matrix.config[1] }}
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python
+      uses: actions/setup-python@v2
+      with:
+        python-version: ${{ matrix.config[0] }}
+    - name: Pip cache
+      uses: actions/cache@v2
+      with:
+        path: ~/.cache/pip
+        key: ${{ runner.os }}-pip-${{ matrix.config[0] }}-${{ hashFiles('setup.*', 'tox.ini') }}
+        restore-keys: |
+          ${{ runner.os }}-pip-${{ matrix.config[0] }}-
+          ${{ runner.os }}-pip-
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install tox
+    - name: Test
+      run: tox -e ${{ matrix.config[1] }}
+    - name: Coverage
+      run: |
+        pip install coveralls coverage-python-version
+        coveralls --service=github
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.gitignore

@@ -18,4 +18,5 @@ parts/
 pip-selfcheck.json
 src/icalendar.egg-info/
 !.gitattributes
+!.github
 !.gitignore

CHANGES.rst

@@ -15,7 +15,7 @@ New features:
 
 Bug fixes:
 
-- *add item here*
+- Test with GitHub Actions.  [maurits]
 
 
 4.0.9 (2021-10-16)