diff --git a/tests/scripts/test_rename_sharepoint_files.py b/tests/scripts/test_rename_sharepoint_files.py
index 4525fe84..7b3e6587 100644
--- a/tests/scripts/test_rename_sharepoint_files.py
+++ b/tests/scripts/test_rename_sharepoint_files.py
@@ -1,10 +1,12 @@
 from typing import Any
-from unittest.mock import MagicMock, call, patch
+from unittest.mock import MagicMock
 
 import pytest
 
-import scripts.rename_sharepoint_files as module
-from scripts.rename_sharepoint_files import build_canonical_filename, process_folder
+from orchestration.sharepoint_renamer_orchestrator import (
+    SharepointRenamerOrchestrator,
+    build_canonical_filename,
+)
 
 
 def _make_file(name: str, item_id: str = "id-1") -> dict[str, Any]:
@@ -19,6 +21,12 @@ def _make_package(name: str) -> dict[str, Any]:
     return {"name": name, "package": {}}
 
 
+def _make_orchestrator(sp: MagicMock) -> SharepointRenamerOrchestrator:
+    orchestrator = SharepointRenamerOrchestrator.__new__(SharepointRenamerOrchestrator)
+    orchestrator._sp_client = sp
+    return orchestrator
+
+
 # ---------------------------------------------------------------------------
 # build_canonical_filename
 # ---------------------------------------------------------------------------
@@ -39,7 +47,7 @@ def test_no_prefix_still_canonical() -> None:
 
 
 # ---------------------------------------------------------------------------
-# process_folder — files only at root level
+# _process_folder — files only at root level
 # ---------------------------------------------------------------------------
 
 
@@ -52,8 +60,7 @@ def test_renames_top_level_files(caplog: pytest.LogCaptureFixture) -> None:
         ]
     }
 
-    with patch.object(module, "DRY_RUN", False):
-        process_folder(sp, "some/path", "100", "1 High St", "AB1 2CD")
+    _make_orchestrator(sp)._process_folder("some/path", "100", "1 High St", "AB1 2CD")
 
     assert sp.rename_file.call_count == 2
     sp.rename_file.assert_any_call("id-1", "100_1 High St AB1 2CD_Survey.pdf")
@@ -61,7 +68,7 @@ def test_renames_top_level_files(caplog: pytest.LogCaptureFixture) -> None:
 
 
 # ---------------------------------------------------------------------------
-# process_folder — recursive two-level hierarchy
+# _process_folder — recursive two-level hierarchy
 # ---------------------------------------------------------------------------
 
 
@@ -84,8 +91,7 @@ def test_recurses_into_subfolders_and_renames_all_files() -> None:
         root_contents if path == "base/path" else suba_contents
     )
 
-    with patch.object(module, "DRY_RUN", False):
-        process_folder(sp, "base/path", "200", "2 Main Rd", "XY9 8ZW")
+    _make_orchestrator(sp)._process_folder("base/path", "200", "2 Main Rd", "XY9 8ZW")
 
     assert sp.rename_file.call_count == 2
     sp.rename_file.assert_any_call("root-file", "200_2 Main Rd XY9 8ZW_Root.pdf")
@@ -95,25 +101,22 @@ def test_recurses_into_subfolders_and_renames_all_files() -> None:
 
 
 # ---------------------------------------------------------------------------
-# process_folder — non-file, non-folder items are skipped
+# _process_folder — non-file, non-folder items are skipped
 # ---------------------------------------------------------------------------
 
 
 def test_ignores_package_items() -> None:
     sp = MagicMock()
-    sp.get_folders_in_path.return_value = {
-        "value": [_make_package("Notebook")]
-    }
+    sp.get_folders_in_path.return_value = {"value": [_make_package("Notebook")]}
 
-    with patch.object(module, "DRY_RUN", False):
-        process_folder(sp, "some/path", "300", "3 Oak Ave", "ZZ1 1ZZ")
+    _make_orchestrator(sp)._process_folder("some/path", "300", "3 Oak Ave", "ZZ1 1ZZ")
 
     sp.rename_file.assert_not_called()
     assert sp.get_folders_in_path.call_count == 1
 
 
 # ---------------------------------------------------------------------------
-# process_folder — missing folder
+# _process_folder — missing folder
 # ---------------------------------------------------------------------------
 
 
@@ -121,31 +124,14 @@ def test_missing_folder_logs_warning_and_returns(caplog: pytest.LogCaptureFixtur
     sp = MagicMock()
     sp.get_folders_in_path.side_effect = ValueError("not found")
 
-    with patch.object(module, "DRY_RUN", False):
-        process_folder(sp, "missing/path", "400", "4 Elm St", "AA2 2BB")
+    _make_orchestrator(sp)._process_folder("missing/path", "400", "4 Elm St", "AA2 2BB")
 
     sp.rename_file.assert_not_called()
     assert any("Missing folder" in r.message and "400" in r.message for r in caplog.records)
 
 
 # ---------------------------------------------------------------------------
-# process_folder — dry run
-# ---------------------------------------------------------------------------
-
-
-def test_dry_run_logs_without_renaming(caplog: pytest.LogCaptureFixture) -> None:
-    sp = MagicMock()
-    sp.get_folders_in_path.return_value = {"value": [_make_file("Doc.pdf", "id-x")]}
-
-    with patch.object(module, "DRY_RUN", True):
-        process_folder(sp, "some/path", "500", "5 Pine Ln", "BB3 3CC")
-
-    sp.rename_file.assert_not_called()
-    assert any("[DRY RUN]" in r.message for r in caplog.records)
-
-
-# ---------------------------------------------------------------------------
-# process_folder — already-canonical files are skipped
+# _process_folder — already-canonical files are skipped
 # ---------------------------------------------------------------------------
 
 
@@ -155,7 +141,6 @@ def test_skips_already_canonical_files() -> None:
         "value": [_make_file("500_Pine Ln BB3 3CC_Doc.pdf", "id-y")]
     }
 
-    with patch.object(module, "DRY_RUN", False):
-        process_folder(sp, "some/path", "500", "5 Pine Ln", "BB3 3CC")
+    _make_orchestrator(sp)._process_folder("some/path", "500", "5 Pine Ln", "BB3 3CC")
 
     sp.rename_file.assert_not_called()