Initial GitHub Actions test workflow.

.github/workflows/test.yml

@@ -0,0 +1,47 @@
+name: Test
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      max-parallel: 5
+      matrix:
+        python-version: [3.5, 3.6, 3.7, 3.8]
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v2
+      with:
+        python-version: ${{ matrix.python-version }}
+
+    - name: Get pip cache dir
+      id: pip-cache
+      run: |
+        echo "::set-output name=dir::$(pip cache dir)"
+
+    - name: Cache
+      uses: actions/cache@v2
+      with:
+        path: ${{ steps.pip-cache.outputs.dir }}
+        key:
+          -${{ matrix.python-version }}-v1-${{ hashFiles('**/setup.py') }}
+        restore-keys: |
+          -${{ matrix.python-version }}-v1-
+
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        python -m pip install --upgrade tox tox-gh-actions
+
+    - name: Tox tests
+      run: |
+        tox -v
+
+    - name: Upload coverage
+      uses: codecov/codecov-action@v1
+      with:
+        name: Python ${{ matrix.python-version }}

tox.ini

@@ -6,11 +6,17 @@ exclude = migrations/*,docs/*
 
 [tox]
 envlist =
-    py35-{2.2,3.0},
+    py35-{2.2},
     py36-{2.2,3.0,3.1},
     py37-{2.2,3.0,3.1,master},
     py38-{2.2,3.0,3.1,master},
 
+[gh-actions]
+python =
+    3.5: py35
+    3.6: py36
+    3.7: py37
+    3.8: py38
 
 [testenv]
 commands =