Switch from Travis CI to GitHub Actions

.github/workflows/tests.yml

@@ -0,0 +1,42 @@
+---
+name: Tests
+
+on:
+  push:
+    branches:
+      - develop
+      - master
+  pull_request:
+
+jobs:
+  tests:
+    name: Python ${{ matrix.python-version }}, Django ${{ matrix.django-version }}
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version:
+          - "3.6"
+          - "3.7"
+          - "3.8"
+          - "3.9"
+        django-version:
+          - "2.2.17"  # first version to support Python 3.9
+          - "3.1.3"  # first version to support Python 3.9
+          - "3.2.0"
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip wheel setuptools
+          python -m pip install --upgrade "django~=${{ matrix.django-version}}"
+      - name: Run tests
+        run: python manage.py test
+        working-directory: sample_project

.travis.yml

@@ -1,24 +0,0 @@
-arch:
-    - amd64
-    - ppc64le
-language: python
-python:
-    - "3.6"
-    - "3.7"
-    - "3.8"
-    - "3.9"
-env:
-    - DJANGO_VERSION=2.2 SAMPLE_PROJECT=sample_project
-    - DJANGO_VERSION=3.1 SAMPLE_PROJECT=sample_project
-    - DJANGO_VERSION=3.2 SAMPLE_PROJECT=sample_project
-
-branches:
-    only:
-        - develop
-
-install:
-    - pip install django==$DJANGO_VERSION
-
-script:
-    - cd $SAMPLE_PROJECT
-    - python manage.py test