add github actions

Author: skinner-repository

.github/workflows/ci.yml

@@ -0,0 +1,59 @@
+name: CI
+
+on:
+  push:
+    branches: ["**"]
+  pull_request:
+
+jobs:
+  lint:
+    name: Lint (ruff + black)
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.11"
+
+      - name: Install dev tools
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r requirements-dev.txt
+
+      - name: Ruff (lint)
+        run: ruff check .
+
+      - name: Black (format check)
+        run: black --check --diff .
+
+  test:
+    name: Tests (pytest)
+    runs-on: ubuntu-latest
+    needs: lint
+    strategy:
+      matrix:
+        python-version: ["3.10", "3.11", "3.12"]
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Cache pip
+        uses: actions/cache@v4
+        with:
+          path: ~/.cache/pip
+          key: ${{ runner.os }}-pip-${{ hashFiles('requirements.txt') }}
+          restore-keys: |
+            ${{ runner.os }}-pip-
+
+      - name: Install deps
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r requirements.txt;
+      - name: Run pytest
+        run: pytest -q

pyproject.toml

@@ -0,0 +1,20 @@
+[tool.black]
+line-length = 100
+target-version = ["py311"]
+
+[tool.ruff]
+line-length = 100
+target-version = "py311"
+exclude = [
+  ".git",
+  ".venv",
+  "venv",
+  "env",
+  "__pycache__",
+  "build",
+  "dist"
+]
+
+[tool.ruff.lint]
+select = ["E", "F", "I"]
+ignore = []

pytest.ini

@@ -0,0 +1,4 @@
+[pytest]
+addopts = -q
+testpaths = tests
+python_files = test_*.py

service/requirements.txt

@@ -1,2 +1,3 @@
 # write required libraries.
-jupyterlab==4.4.6
+jupyterlab==4.4.6
+pytest==8.4.1

tests/test_smoke.py

@@ -0,0 +1,2 @@
+def test_smoke():
+    assert 1 + 1 == 2