test: add import test

Author: joschkabraun

.github/workflows/build.yml

@@ -33,9 +33,9 @@ jobs:
         run: |
           make check-codestyle
 
-#      - name: Run tests
-#        run: |
-#          make test
+      - name: Run tests
+        run: |
+          make test
 
 #    - name: Run safety checks
 #      run: |

tests/test_import.py

@@ -0,0 +1,13 @@
+import importlib
+import pkgutil
+
+import pytest
+
+
+def test_imports():
+    try:
+        package = importlib.import_module('parea')
+        for _, module_name, _ in pkgutil.iter_modules(package.__path__):
+            importlib.import_module(f'parea.{module_name}')
+    except ImportError:
+        pytest.fail("Import failed", pytrace=False)