Testing

.github/workflows/ci.yml

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+name: CI
+
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
+#  schedule:
+#    - cron: '42 5 * * *'
+
+jobs:
+  test:
+    strategy:
+      fail-fast: false
+      matrix:
+        runner: [ubuntu-latest, macos-latest] #, windows-latest]
+        python-version: ["3.9", "3.10", "3.11"]
+
+    runs-on: ${{matrix.runner}}
+    name: OS ${{matrix.runner}} Python ${{matrix.python-version}}
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v3
+
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v4
+      with:
+        python-version: ${{ matrix.python-version }}
+
+    - name: Install dependencies
+      run: |
+        python setup.py build
+        pip install pytest
+
+    - name: Check Python version
+      run: python -V
+
+    - name: Test with pytest
+      run: pytest -vvs tests/
+

tests/test_examples.py

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+import subprocess
+import os
+import sys
+
+def capture(command):
+    proc = subprocess.Popen(command,
+        stdout = subprocess.PIPE,
+        stderr = subprocess.PIPE,
+    )
+    out, err = proc.communicate()
+    exit_code = proc.returncode
+    return exit_code, out.decode('utf-8'), err.decode('utf-8')
+
+def test_test():
+    os.environ["PYTHONPATH"] = "."
+    exit_code, out, err = capture([sys.executable, "examples/test.py"])
+    assert exit_code == 0
+    assert out == "test1\ntest2\n"
+    assert err == ""