Use tox to run tests

Author: sgillies

.github/workflows/tests.yaml

@@ -2,41 +2,32 @@ name: Tests
 
 on:
   push:
-    branches: [master]
+    branches: ["master"]
   pull_request:
-    branches: [master]
+    branches: ["master"]
   schedule:
-    - cron: '0 0 * * 0'
+    - cron: "0 0 * * 0"
 
 jobs:
   test:
-    name: Test Python ${{ matrix.python-version }}
-    runs-on: ubuntu-latest
+    name: "Python ${{ matrix.python-version }}"
+    runs-on: "ubuntu-latest"
 
     strategy:
+      fail-fast: false
       matrix:
-        python-version: [2.7, 3.7, 3.8, 3.9]
+        python-version: ["2.7", "3.7", "3.8", "3.9"]
 
     steps:
-    - name: Checkout code 
-      uses: actions/checkout@v2
-    - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
+      uses: "actions/checkout@v2"
+      uses: "actions/setup-python@v2"
       with:
-        python-version: ${{ matrix.python-version }}
-    - name: Pip cache
-      uses: actions/cache@v2
-      with:
-        path: ~/.cache/pip
-        key: ${{ runner.os }}-pip
-        restore-keys: |
-          ${{ runner.os }}-pip
-    - name: Pre-install
-      run: |
-        python -m pip install -U pip
-    - name: Install package
-      run: |
-        python -m pip install -e .[test]
-    - name: Test
+        python-version: "${{ matrix.python-version }}"
+    - name: "Install dependencies"
       run: |
-        python -m pytest -v -rxXs --cov planet --cov-report term-missing
+        python -VV
+        python -m site
+        python -m pip install --upgrade pip setuptools wheel
+        python -m pip install --upgrade coverage[toml] virtualenv tox tox-gh-actions
+    - name: "Run tox targets for ${{ matrix.python-version }}"
+      run: "python -m tox"

tox.ini

@@ -1,13 +1,17 @@
-# Tox (https://tox.readthedocs.io/) is a tool for running tests
-# in multiple virtualenvs. This configuration file will run the
-# test suite on all supported python versions. To use it, "pip install tox"
-# and then run "tox" from this directory.
-
 [tox]
 envlist = py27, py36, py37
 
+[gh-actions]
+python =
+    2.7: py27
+    3.5: py35
+    3.6: py36
+    3.7: py37
+    3.8: py38
+    3.9: py39
+
 [testenv]
 deps = pytest
-commands = 
-    pip install -e .[dev]
-    pytest {posargs}
+commands =
+    python -m pip install -e .[dev]
+    python -m pytest -v -rxXs --cov planet --cov-report term-missing