Switch to GitHub Actions and pytest

Author: nedbat

.github/workflows/tests.yml

@@ -0,0 +1,68 @@
+# Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
+# For details: https://github.com/nedbat/coveragepy/blob/master/NOTICE.txt
+
+name: "Tests"
+
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
+
+defaults:
+  run:
+    shell: bash
+
+jobs:
+  tests:
+    name: "Python ${{ matrix.python-version }} on ${{ matrix.os }}"
+    runs-on: "${{ matrix.os }}"
+
+    strategy:
+      matrix:
+        os:
+          - ubuntu-latest
+          - macos-latest
+          - windows-latest
+        python-version:
+          # When changing this list, be sure to check the [gh-actions] list in
+          # tox.ini so that tox will run properly.
+          - "2.7"
+          - "3.6"
+          - "3.7"
+          - "3.8"
+          - "3.9"
+        exclude:
+          # Windows 2.7 doesn't work because Microsoft removed stuff we needed.
+          - os: windows-latest
+            python-version: "2.7"
+      fail-fast: false
+
+    steps:
+      - name: "Check out the repo"
+        uses: "actions/checkout@v2"
+
+      - name: "Set up Python"
+        uses: "actions/setup-python@v2"
+        with:
+          python-version: "${{ matrix.python-version }}"
+
+      - name: "Install dependencies"
+        run: |
+          set -xe
+          python -VV
+          python -m site
+          python -m pip install -r requirements.txt
+          python -m pip install tox-gh-actions
+
+      - name: "Run tox for ${{ matrix.python-version }}"
+        run: |
+          # GitHub Actions on Windows sets TEMP to a shortname, and HOME to a
+          # longname.  Eventually, filename comparisons fail because of the
+          # difference.  Fix $TEMP.
+          echo $TEMP
+          if [ "$RUNNER_OS" == "Windows" ]; then
+            export TMP=$HOME\\AppData\\Local\\Temp
+            export TEMP=$HOME\\AppData\\Local\\Temp
+          fi
+          echo $TEMP
+          python -m tox

.travis.yml

@@ -23,6 +23,7 @@ envlist =
 
 [testenv]
 deps =
+    pytest
     unittest-mixins==1.6
     django18: Django>=1.8,<1.9
     django19: Django>=1.9,<1.10
@@ -38,7 +39,7 @@ deps =
 
 commands =
     python -c "import tests.banner"
-    python -m unittest {posargs:discover -b}
+    python -m pytest {posargs}
 
 usedevelop = True
 
@@ -70,3 +71,11 @@ deps =
 
 commands =
     rst2html.py --strict README.rst /tmp/django_coverage_plugin_README.html
+
+[gh-actions]
+python =
+    2.7: py27
+    3.6: py36
+    3.7: py37
+    3.8: py38
+    3.9: py39