Add github action to run unittests (eth-cscs#51)

Author: teojgo

Diff for: .github/main.yaml

@@ -0,0 +1,22 @@
+name: Stackinator CI
+
+on: [push, pull_request]
+
+jobs:
+  unittest:
+    runs-on: ubuntu-20.04
+    strategy:
+      matrix:
+        python-version: ['3.6']
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v4
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Bootstrap
+      run: |
+        ./bootstrap.sh
+    - name: Generic Unittests
+      run: |
+        ./test_stackinator.py

Diff for: requirements.txt

@@ -1,4 +1,4 @@
-PyYAML
 Jinja2
 jsonschema
 pytest
+PyYAML

Diff for: test.py renamed to test_stackinator.py

@@ -3,12 +3,13 @@
 import pathlib
 import sys
 
+
 prefix = pathlib.Path(__file__).parent.resolve()
 external = prefix / 'external'
 sys.path = [prefix.as_posix(), external.as_posix()] + sys.path
 
 import pytest
 
 if __name__ == '__main__':
-    sys.argv = [sys.argv[0], '-vv', 'test']
+    sys.argv = [sys.argv[0], '-vv', 'unittests']
     sys.exit(pytest.main())

Diff for: test/recipes/base-amdgpu/compilers.yaml renamed to unittests/recipes/base-amdgpu/compilers.yaml

@@ -117,6 +117,3 @@ def test_recipe_environments_yaml(yaml_path, recipe_paths):
         with open(p / 'environments.yaml') as fid:
             raw = yaml.load(fid, Loader=yaml.Loader)
             schema.validator(schema.environments_schema).validate(raw)
-
-
-