Underline bar renderable

tests/utilities/render.py

@@ -0,0 +1,24 @@
+import io
+import re
+
+from rich.console import Console, RenderableType
+
+
+re_link_ids = re.compile(r"id=[\d\.\-]*?;.*?\x1b")
+
+
+def replace_link_ids(render: str) -> str:
+    """Link IDs have a random ID and system path which is a problem for
+    reproducible tests.
+
+    """
+    return re_link_ids.sub("id=0;foo\x1b", render)
+
+
+def render(renderable: RenderableType, no_wrap: bool = False) -> str:
+    console = Console(
+        width=100, file=io.StringIO(), color_system="truecolor", legacy_windows=False
+    )
+    console.print(renderable, no_wrap=no_wrap)
+    output = replace_link_ids(console.file.getvalue())
+    return output