Adds CodeQL, static analysis, and unit test checks (#12)

.github/codeql-config.yml

@@ -0,0 +1,4 @@
+query-filters:
+
+paths-ignore:
+  - tests/**/test_*.py

.github/workflows/static-analysis.yaml

@@ -0,0 +1,78 @@
+name: Static analysis
+
+on:
+  push:
+    branches:
+      - main
+
+  pull_request:
+    branches:
+      - main
+    paths:
+      - .github/workflows/static-analysis.yaml
+      - "**/*.py"
+      - requirements.txt
+      - requirements-dev.txt
+      - pyproject.toml
+
+permissions:
+  contents: read
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: ${{ github.event_name == 'pull_request' }}
+
+jobs:
+  pre-commit-checks:
+    name: Pre-commit checks
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+          fetch-depth: 0
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        id: setup_python
+        with:
+          python-version: "3.12.4"
+
+      - name: UV Cache
+        uses: actions/cache@v4
+        id: cache-uv
+        with:
+          path: ~/.cache/uv
+          key: uvcache-${{ runner.os }}-${{ steps.setup_python.outputs.python-version }}-${{ hashFiles('requirements.txt', 'requirements-dev.txt') }}
+
+      - name: Install packages
+        run: |
+          python -m pip install -U uv pre-commit
+          uv pip install --upgrade --system -r requirements-dev.txt
+
+      - name: Run pre-commit
+        run: pre-commit run --show-diff-on-failure --color=always --all-files
+
+  analyze:
+    name: Analyze
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: read
+      actions: read
+      security-events: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@v3
+        with:
+          languages: python
+          config-file: ./.github/codeql-config.yml
+          queries: security-extended
+
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@v3

.github/workflows/unit-tests.yaml

@@ -0,0 +1,55 @@
+name: Unit tests
+
+on:
+  push:
+    branches:
+      - main
+
+  pull_request:
+    branches:
+      - main
+    paths:
+      - .github/workflows/unit-tests.yaml
+      - "**/*.py"
+      - requirements.txt
+      - requirements-dev.txt
+      - pyproject.toml
+
+permissions:
+  contents: read
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: ${{ github.event_name == 'pull_request' }}
+
+jobs:
+  unit-tests:
+    name: Unit tests
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+          fetch-depth: 0
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        id: setup_python
+        with:
+          python-version: "3.12.4"
+
+      - name: UV Cache
+        uses: actions/cache@v4
+        id: cache-uv
+        with:
+          path: ~/.cache/uv
+          key: uvcache-${{ runner.os }}-${{ steps.setup_python.outputs.python-version }}-${{ hashFiles('requirements.txt', 'requirements-dev.txt') }}
+
+      - name: Install packages
+        run: |
+          python -m pip install -U uv pre-commit
+          uv pip install --upgrade --system -r requirements-dev.txt
+
+      - name: Run pytest
+        run: pytest