# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@octobus.net>
# Date 2021-04-19 17:10:49
# Node ID 52cee44aa1a073fa34b79c7b03eea53e2a803169
# Parent  99c629101b738ae88dc5c7ac1b74c60dd75d9efd

testing: add a `write_file` function

The function is kinda trivial, but having a simple function avoid silly mistake.

Differential Revision: https://phab.mercurial-scm.org/D10477

diff --git a/mercurial/testing/__init__.py b/mercurial/testing/__init__.py
--- a/mercurial/testing/__init__.py
+++ b/mercurial/testing/__init__.py
@@ -28,3 +28,8 @@ def wait_file(path, timeout=10):
         if time.time() - start > timeout:
             raise RuntimeError(b"timed out waiting for file: %s" % path)
         time.sleep(0.01)
+
+
+def write_file(path, content=b''):
+    with open(path, 'wb') as f:
+        f.write(content)