ci: setup github actions and tox

Author: JakaKokosar

.azure-pipelines/test_job.yml

@@ -0,0 +1,38 @@
+name: main
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  test:
+    runs-on: ${{ matrix.os }}
+    timeout-minutes: 30
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [macos-latest, windows-latest, ubuntu-latest]
+        python: [3.7, 3.8]
+        include:
+          - python: 3.7
+            tox_env: py37
+          - python: 3.8
+            tox_env: py38
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Setup Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python }}
+      - name: Install Tox
+        run: python -m pip install tox
+      - name: Set env
+        run: echo ::set-env name=QT_QPA_PLATFORM::offscreen
+        if: ${{ matrix.os == 'ubuntu-latest' }}
+      - name: Run Tox
+        run: python -m tox -e ${{ matrix.tox_env }}

.github/workflows/main.yml

@@ -0,0 +1,33 @@
+[tox]
+envlist =
+    py{37,38}
+skip_missing_interpreters = true
+isolated_build = true
+minversion = 3.7.0
+
+[testenv]
+extras = test
+passenv = *
+# we MUST changedir to avoid installed being shadowed by working dir
+# https://github.com/tox-dev/tox/issues/54
+# https://github.com/tox-dev/tox/issues/514
+changedir =
+    {envsitepackagesdir}
+setenv =
+# Raise deprecations as errors in our tests
+# ORANGE_DEPRECATIONS_ERROR=y
+# Need this otherwise unittest installs a warning filter that overrides
+# our desire to have OrangeDeprecationWarnings raised
+# PYTHONWARNINGS=module
+deps =
+    pyqt5
+    pyqtwebengine
+commands_pre =
+    pip --version
+    # Verify installed packages have compatible dependencies
+    pip check
+    # freeze environment
+    pip freeze
+commands =
+    python -m pytest orangecontrib/single_cell/tests -l
+