Add CI.

Author: chrahunt

.github/workflows/tests.yml

@@ -0,0 +1,41 @@
+name: Tests
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  tests:
+    name: Tests
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os:
+        - ubuntu-18.04
+        - windows-2019
+        env:
+        - PYTHON_VERSION: 2.7
+        - PYTHON_VERSION: 3.7
+    steps:
+    - uses: actions/checkout@master
+      # Nox runner
+    - name: Set up Python 3.7
+      uses: actions/setup-python@v1
+      with:
+        python-version: 3.7
+    - name: Set up Python ${{ matrix.env.PYTHON_VERSION }}
+      if: matrix.env.PYTHON_VERSION != '3.7'
+      uses: actions/setup-python@v1
+      with:
+        python-version: ${{ matrix.env.PYTHON_VERSION }}
+    - name: Install nox (Unix)
+      run: python3.7 -m pip install nox
+      if: matrix.os != 'windows-2019'
+    - name: Install nox (Windows)
+      run: py -3.7 -m pip install nox
+      if: matrix.os == 'windows-2019'
+    - name: Workaround for Windows Python 2.7
+      run: rm C:/ProgramData/Chocolatey/lib/mingw/tools/install/mingw64/opt/bin/python2.7.exe
+      if: matrix.os == 'windows-2019' && matrix.env.PYTHON_VERSION == '2.7'
+    - name: Run tests
+      run: nox -s tests-${{ matrix.env.PYTHON_VERSION }}

.gitignore

@@ -1 +1,3 @@
-venv
+/.nox/
+/venv/
+__pycache__/

noxfile.py

@@ -0,0 +1,9 @@
+import os
+
+import nox
+
+
+@nox.session(python=['2.7', '3.7'])
+def tests(session):
+    session.install('pytest')
+    session.run('pytest')

tests/__init__.py

@@ -0,0 +1,2 @@
+def test_basics():
+    pass