GH-17: Set up a CI for running the tests with tox

Author: ArtyomVancyan

.github/workflows/tests.yml

@@ -0,0 +1,43 @@
+name: Tests
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master, tests ]
+
+jobs:
+  test:
+    runs-on: ${{ matrix.os || 'ubuntu-latest' }}
+    strategy:
+      matrix:
+        include:
+          - python-version: "3.6"
+            env: python3.6
+            os: ubuntu-20.04  # 3.6 is not available on ubuntu-20.04
+          - python-version: "3.7"
+            env: python3.7
+          - python-version: "3.8"
+            env: python3.8
+          - python-version: "3.9"
+            env: python3.9
+          - python-version: "3.10"
+            env: python3.10
+          - python-version: "3.11"
+            env: python3.11
+          - python-version: "3.12"
+            env: python3.12
+
+    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: |
+          pip install --upgrade pip
+          python -m pip install -e .
+          pip install tox tox-gh-actions
+      - name: Run tests on different Python versions
+        run: tox -e ${{ matrix.env }}

tox.ini

@@ -0,0 +1,20 @@
+[tox]
+minversion = 3.6.0
+envlist =
+    python3.6
+    python3.7
+    python3.8
+    python3.9
+    python3.10
+    python3.11
+    python3.12
+isolated_build = true
+
+[testenv]
+setenv =
+    PYTHONPATH = {toxinidir}
+deps =
+    -r{toxinidir}/tests/requirements.txt
+commands =
+    pip install -e .
+    pytest --basetemp={envtmpdir}