Implement Github test action.

.github/workflows/tests.yml

@@ -0,0 +1,51 @@
+name: Tests
+on:
+  push:
+  pull_request:
+
+# concurrency:
+#   group: check-${{ github.ref }}
+#   cancel-in-progress: true
+
+jobs:
+  test:
+    name: Tests
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/setup-python@v5
+        with:
+          python-version: |
+            3.8
+            3.9
+            3.10
+            3.11
+            3.12
+            pypy3.9
+            pypy3.10
+      - name: Install gi
+        run: |
+          sudo dd of=/etc/dpkg/dpkg.cfg.d/docker-apt-speedup <<< force-unsafe-io
+          sudo apt install libgirepository1.0-dev gir1.2-glib-2.0
+
+      - id: cache-pip
+        uses: actions/cache@v4
+        if: always()
+        with:
+          path: ~/.cache/pip
+          key: pip-${{ runner.os }}
+          save-always: true
+
+      - name: Install tox
+        run: python3.12 -m pip install tox
+      - uses: actions/checkout@v4
+
+      - name: Run test suite
+        continue-on-error: true
+        run: tox
+
+      - name: Publish Test Results
+        uses: EnricoMi/publish-unit-test-result-action@v2
+        if: always()
+        with:
+          files: |
+              test-results/**/*.xml

.gitignore

@@ -127,3 +127,5 @@ dmypy.json
 
 # vscode
 .vscode/
+
+test-results

tox.ini

@@ -0,0 +1,29 @@
+[tox]
+min_version = 4.0
+env_list =
+    check
+    py38
+    py39
+    py310
+    py311
+    py312
+    ; py313
+    ; pypy39
+    ; pypy310
+
+[testenv]
+deps = 
+    pytest
+    pytest-asyncio
+    pytest-timeout
+    pytest-cov
+    pygobject
+allowlist_externals = dbus-run-session
+commands = dbus-run-session python -m pytest --junitxml=test-results/junit-{envname}.xml
+
+[testenv:check]
+deps = ruff
+skip_install = true
+commands = 
+    ruff check --output-format=github
+    ruff format --check