Merge pull request #58 from ichard26/add-gha-ci

CI: add GitHub Actions test workflow

.github/workflows/ci.yaml

@@ -0,0 +1,34 @@
+name: CI
+
+permissions:
+  contents: read
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+
+jobs:
+  test:
+    name: Test / ${{ matrix.python }} / ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu, macos, windows]
+        python: ["3.7", "3.8", "3.9", "3.10", "3.11.0-rc - 3.11",
+                  "pypy-3.7", "pypy-3.8", "pypy-3.9"]
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Set up Python ${{ matrix.python }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python }}
+
+      - name: Install tox
+        run: python -m pip install tox
+
+      - name: Run tests
+        run: python -m tox -e py -- --verbose

tox.ini

@@ -3,4 +3,4 @@ envlist = py37, py38, py39, py310, py311, pypy3
 isolated_build = True
 
 [testenv]
-commands = python -m unittest
+commands = python -m unittest {posargs}