Add generated SDK import smoke test

tests/test_import_smoke.py

@@ -0,0 +1,53 @@
+import importlib
+import pkgutil
+import unittest
+
+
+class ImportSmokeTest(unittest.TestCase):
+    def test_all_kagglesdk_modules_import(self):
+        kagglesdk = importlib.import_module("kagglesdk")
+        failures = []
+
+        for module in pkgutil.walk_packages(kagglesdk.__path__, kagglesdk.__name__ + "."):
+            try:
+                importlib.import_module(module.name)
+            except Exception as exc:
+                failures.append(f"{module.name}: {type(exc).__name__}: {exc}")
+
+        self.assertEqual([], failures)
+
+    def test_kaggle_client_instantiates_with_subclients(self):
+        module = importlib.import_module("kagglesdk")
+        KaggleClient = module.KaggleClient
+        client = KaggleClient()
+        expected_groups = (
+            "admin",
+            "agents",
+            "benchmarks",
+            "blobs",
+            "common",
+            "competitions",
+            "datasets",
+            "discussions",
+            "education",
+            "kernels",
+            "models",
+            "search",
+            "security",
+            "users",
+        )
+
+        missing = [name for name in expected_groups if not hasattr(client, name)]
+        self.assertEqual([], missing)
+
+        subclient_count = sum(
+            1
+            for group_name in expected_groups
+            for attr_name in vars(getattr(client, group_name))
+            if attr_name.endswith("_client")
+        )
+        self.assertEqual(21, subclient_count)
+
+
+if __name__ == "__main__":
+    unittest.main()