test using python matrix

.github/workflows/tests.yml

@@ -1,30 +1,30 @@
 name: tests
 
 on:
-  push:
-    branches:
-      - master
-  pull_request:
-    branches:
-      - master
+  - push
+  - pull_request
 
 jobs:
   tests:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]
     steps:
       - uses: actions/checkout@v3
-      - uses: actions/setup-python@v4
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v4
         with:
-          python-version: "3.11"
+          python-version: ${{ matrix.python-version }}
 
       - name: Install test dependencies
         run: |
           python -m pip install --upgrade --no-cache-dir pip
           pip install --no-cache-dir tox
 
       - name: Test using tox
-        run: |
-          tox
+        run: tox
 
       - name: Upload test coverage to Codecov
         continue-on-error: true

tox.ini

@@ -2,6 +2,14 @@
 envlist = py{37,38,39,310,311},flake8
 skip_missing_interpreters = true
 
+[gh-actions]
+python =
+    3.7: py37
+    3.8: py38
+    3.9: py39
+    3.10: py310
+    3.11: py311
+
 [testenv]
 extras = dev
 commands = pytest --cov=htmlement --cov-report xml