view() has dry_run option for testing

Author: will-moore

ome_zarr/utils.py

@@ -129,7 +129,7 @@ def splitall(path):
     return allparts
 
 
-def view(input_path: str, port: int = 8000) -> None:
+def view(input_path: str, port: int = 8000, dry_run=False) -> None:
     # serve the parent directory in a simple server with CORS. Open browser
     parent_path, server_dir = os.path.split(input_path)
     # in case input_path had trailing slash, we go one level up...
@@ -224,6 +224,10 @@ def translate_path(self, path: str) -> str:
         print("No OME-Zarr files found in", input_path)
         return
 
+    # for testing
+    if dry_run:
+        return
+
     # Open in browser...
     webbrowser.open(url)