add python tests (#11)

* add python tests

- includes a place holder test for check to pass
- test run on python 3.6 and 3.7
- include mypy, flake8, pylint, pytest

.github/workflows/test.yaml

@@ -9,3 +9,32 @@ jobs:
     steps:
       - uses: actions/checkout@v1
       - uses: max/secret-scan@master
+  python:
+    name: Python tests
+    runs-on: ubuntu-latest
+    strategy:
+      max-parallel: 4
+      matrix:
+        python-version: [3.6, 3.7]
+    steps:
+      - uses: actions/checkout@v1
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v1
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install pipenv
+          pipenv sync --dev
+      - name: Lint with mypy
+        run: |
+          find ${GITHUB_WORKSPACE} -name '*.py' ! -name '*_types.py' -exec pipenv run mypy {} +
+      - name: Lint with flake8
+        run: |
+          pipenv run flake8 --exclude=tests ${GITHUB_WORKSPACE} --count --show-source --statistics
+      - name: Lint with pylint
+        run: |
+          find ${GITHUB_WORKSPACE} -name '*.py' | xargs pipenv run pylint --rcfile=.pylintrc
+      - name: Test with pytest
+        run: pipenv run pytest

.vscode/settings.json

@@ -114,6 +114,7 @@
         "moto",
         "mountpoint",
         "mssql",
+        "mypy",
         "nacl",
         "nargs",
         "networklb",
@@ -141,6 +142,7 @@
         "pyinstaller",
         "pylint",
         "pylintrc",
+        "pytest",
         "qrcode",
         "quickstart",
         "rcfile",
@@ -193,6 +195,7 @@
         "weirdnesses",
         "whichenv",
         "winrm",
+        "xargs",
         "xenial",
         "xlarge",
         "xrange",

Pipfile

@@ -16,3 +16,4 @@ pylint = "~= 2.0"
 # python3 flake8-docstrings fails with pydocstyle 4:
 # https://github.com/PyCQA/pydocstyle/issues/375
 pydocstyle = '<4.0.0'
+pytest = '~= 5.1'

tests/test_placeholder.py

@@ -0,0 +1,5 @@
+"""A placeholder for tests."""
+
+
+def test_placeholder() -> None:
+    """Placeholder for tests."""