ci: GitHub Actions workflow for pytest suite

.github/workflows/ci.yml

@@ -0,0 +1,63 @@
+name: CI
+
+on:
+  push:
+    branches: [main, master]
+  pull_request:
+    branches: [main, master]
+
+jobs:
+  test:
+    name: pytest (py${{ matrix.python-version }})
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.11", "3.12"]
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install system dependencies (LevelDB)
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libleveldb-dev libsnappy-dev
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install Poetry
+        uses: snok/install-poetry@v1
+        with:
+          version: "1.8.3"
+          virtualenvs-create: true
+          virtualenvs-in-project: true
+
+      - name: Cache Poetry virtualenv
+        uses: actions/cache@v4
+        with:
+          path: .venv
+          key: poetry-${{ runner.os }}-py${{ matrix.python-version }}-${{ hashFiles('poetry.lock') }}
+
+      - name: Install dependencies
+        run: poetry install --no-interaction --with dev
+
+      - name: Run pytest
+        run: poetry run pytest tests/ -v --tb=short
+
+  lint:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.11"
+      - name: Install ruff
+        run: pip install ruff==0.6.9
+      - name: Run ruff check
+        run: ruff check datamgmtnode/ tests/ || true
+      - name: Run ruff format --check
+        run: ruff format --check datamgmtnode/ tests/ || true