Add testsuite, git action.

.github/workflows/pythonpackage.yml

@@ -0,0 +1,37 @@
+name: Python package
+
+on: [push, pull_request]
+
+jobs:
+  build:
+
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+        python-version: [3.7, 3.8, pypy3]
+      fail-fast: false
+
+    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
+        python setup.py develop
+    - name: Style checks
+      run: |
+        python -m flake8
+    - name: Typing checks
+      run: |
+        pip install -U mypy
+        python -m mypy ognibuild
+      if: "matrix.python-version != 'pypy3'"
+    - name: Test suite run
+      run: |
+        python -m unittest ognibuild.tests.test_suite
+      env:
+        PYTHONHASHSEED: random

ognibuild/tests/__init__.py

@@ -0,0 +1,28 @@
+# ognibuild
+# Copyright (C) 2020 Jelmer Vernooij <jelmer@jelmer.uk>
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; version 2
+# of the License or (at your option) any later version of
+# the License.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+# MA  02110-1301, USA.
+
+import unittest
+
+
+def test_suite():
+    names = [
+    ]
+    module_names = ['ognibuild.tests.test_' + name for name in names]
+    loader = unittest.TestLoader()
+    return loader.loadTestsFromNames(module_names)

setup.cfg

@@ -0,0 +1,9 @@
+[flake8]
+application-package-names = ognibuild
+
+[mypy]
+# A number of ognibuilds' dependencies don't have type hints yet
+ignore_missing_imports = True
+
+[bdist_wheel]
+universal = 1