WIP install::collect_dependencies: report on additional collected items

FIXME: `pytest_collectreport` makes its report afterwards not including
our additional ones, so we may instead want to get them officially counted

Author: ydirson

tests/install/conftest.py

@@ -10,6 +10,7 @@
 def collect_dependencies(config, item, items):
     dependencies = list()
     markers = item.own_markers
+    added_count = 0
     for marker in markers:
         if marker.name != 'dependency':
             continue
@@ -37,14 +38,19 @@ def collect_dependencies(config, item, items):
             if depend_nodeid not in list_of_items_nodeid:
                 item_to_add = pytest.Function.from_parent(name=depend_func, parent=depend_parent)
                 items.insert(0, item_to_add)
+                added_count += 1
                 # recursive look for dependencies into item_to_add
-                collect_dependencies(config, item_to_add, items)
-        return
+                added_count += collect_dependencies(config, item_to_add, items)
+        return added_count
+
+    return 0
 
 # #@pytest.hookimpl(trylast=True)
 def pytest_collection_modifyitems(config: pytest.Config, items: list[pytest.Item]) -> None:
+    added_count = 0
     for item in items:
-        collect_dependencies(config, item, items)
+        added_count += collect_dependencies(config, item, items)
+    print(f"collected {added_count} additional items")
 
 @pytest.fixture(scope='function')
 def answerfile(request):