Add some additional targetted testing on param creation

tests/input/one_node_fp_response.json

@@ -187,4 +187,4 @@
             }
         }
     }
-}
+}

tests/test_introspection.py

@@ -41,3 +41,29 @@ async def get_plugins(idx: int):
     controller = FrameProcessorAdapterController(mock_connection, parameters, "prefix")
     await controller.initialise()
     assert all(fpx in controller.get_sub_controllers() for fpx in ("FP0", "FP1"))
+
+
+def test_node_with_empty_list_is_correctly_counted():
+    parameters = create_odin_parameters({"test": []})
+    names = [p.name for p in parameters]
+    assert "test" in names
+    assert len(parameters) == 1
+
+
+def test_node_that_has_metadata_only_counts_once():
+    data = {"count": {"value": 1, "writeable": False, "type": "int"}}
+    parameters = create_odin_parameters(data)
+    assert len(parameters) == 1
+
+
+def test_nested_node_gives_correct_name():
+    data = {"top": {"nest-1": {"nest-2": 1}}}
+    parameters = create_odin_parameters(data)
+    assert len(parameters) == 1
+    assert parameters[0].name == "top_nest-1_nest-2"
+
+
+def test_config_node_splits_list_into_mutiples():
+    data = {"config": {"param": [1, 2]}}
+    parameters = create_odin_parameters(data)
+    assert len(parameters) == 2