restructure project

tests/test_imports.py

@@ -0,0 +1,48 @@
+"""Import validation tests.
+
+Ensures all lazy imports across packages resolve correctly,
+catching cross-package import errors that mocks would hide.
+"""
+import importlib
+import pkgutil
+
+import pytest
+
+
+def _collect_modules(package_name: str) -> list[str]:
+    """Recursively collect all module names under a package."""
+    try:
+        package = importlib.import_module(package_name)
+    except Exception:
+        return [package_name]
+
+    modules = [package_name]
+    if hasattr(package, "__path__"):
+        for _importer, modname, _ispkg in pkgutil.walk_packages(
+            package.__path__, prefix=package_name + "."
+        ):
+            modules.append(modname)
+    return modules
+
+
+SHARED_MODULES = _collect_modules("shared")
+INFERENCE_MODULES = _collect_modules("inference")
+TRAINING_MODULES = _collect_modules("training")
+
+
+@pytest.mark.parametrize("module_name", SHARED_MODULES)
+def test_shared_module_imports(module_name: str) -> None:
+    """Every module in the shared package should import without error."""
+    importlib.import_module(module_name)
+
+
+@pytest.mark.parametrize("module_name", INFERENCE_MODULES)
+def test_inference_module_imports(module_name: str) -> None:
+    """Every module in the inference package should import without error."""
+    importlib.import_module(module_name)
+
+
+@pytest.mark.parametrize("module_name", TRAINING_MODULES)
+def test_training_module_imports(module_name: str) -> None:
+    """Every module in the training package should import without error."""
+    importlib.import_module(module_name)