Test case for circular imports

Author: ubmarco

tests/test_cicular_imports.py

@@ -0,0 +1,24 @@
+import pkgutil
+import subprocess
+import sys
+
+import sphinx_needs
+
+
+def test_no_circular_imports():
+    """
+    Test for circular imports in the sphinx_needs package.
+
+    Each package is tested isolated by importing it into a
+    new Python interpreter.
+    """
+    for _, name, _ in pkgutil.walk_packages(
+        sphinx_needs.__path__, prefix="sphinx_needs."
+    ):
+        subprocess.check_call(
+            [
+                sys.executable,
+                "-c",
+                "import importlib; importlib.import_module(" + repr(name) + ")",
+            ]
+        )