Run tests with GitHub Actions

.github/workflows/tests.yml

@@ -0,0 +1,78 @@
+---
+name: Tests
+on: [push, pull_request]
+
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+    strategy:
+      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: ${{ matrix.python-version }}
+      - name: Ensure latest setuptools
+        run: |
+          python -m pip install --upgrade pip setuptools
+      - name: Install dependencies
+        run: |
+          python -m pip install coverage tox tox-factor unittest-xml-reporting
+      - name: Run tox
+        run: |
+          python -m pip --version
+          python -m tox --version
+          python -m tox -f py$(python --version 2>&1 | cut -c 8,10)
+      - name: Coverage reporting
+        run: |
+          coverage combine
+          coverage report -m
+          coverage xml
+          coverage html
+      - name: Publish coverage results
+        uses: codecov/codecov-action@v1
+
+
+  isort:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.8
+      - name: Ensure latest setuptools
+        run: |
+          python -m pip install --upgrade pip setuptools
+      - name: Install dependencies
+        run: |
+          python -m pip install tox
+      - name: Run tox
+        run: |
+          python -m pip --version
+          python -m tox --version
+          python -m tox -e isort,lint,docs
+
+
+  warnings:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.8
+      - name: Ensure latest setuptools
+        run: |
+          python -m pip install --upgrade pip setuptools
+      - name: Install dependencies
+        run: |
+          python -m pip install tox
+      - name: Run tox
+        run: |
+          python -m pip --version
+          python -m tox --version
+          python -m tox -e warnings

tox.ini

@@ -19,7 +19,7 @@ setenv =
 deps =
     django22: django~=2.2.0
     django30: django~=3.0.0
-    django31: django>=3.1rc1,<3.2
+    django31: django~=3.1.0
     djangorestframework~=3.11.0
     latest: {[latest]deps}
     -rrequirements/test-ci.txt