util: rename write_file's copy_mode parameter to preserve_mode (#439)

When updating the docstring to include it, I realised that the current
name is somewhat misleading; this makes it a little easier to
understand, I think.

1 files changed, 6 insertions, 6 deletions

diff --git a/tests/unittests/test_util.py b/tests/unittests/test_util.py
index 737dda8b..0821341f 100644
--- a/tests/unittests/test_util.py
+++ b/tests/unittests/test_util.py
@@ -110,29 +110,29 @@ class TestWriteFile(helpers.TestCase):
         file_stat = os.stat(path)
         self.assertEqual(0o666, stat.S_IMODE(file_stat.st_mode))
 
-    def test_copy_mode_no_existing(self):
-        """Verify that file is created with mode 0o644 if copy_mode
+    def test_preserve_mode_no_existing(self):
+        """Verify that file is created with mode 0o644 if preserve_mode
         is true and there is no prior existing file."""
         path = os.path.join(self.tmp, "NewFile.txt")
         contents = "Hey there"
 
-        util.write_file(path, contents, copy_mode=True)
+        util.write_file(path, contents, preserve_mode=True)
 
         self.assertTrue(os.path.exists(path))
         self.assertTrue(os.path.isfile(path))
         file_stat = os.stat(path)
         self.assertEqual(0o644, stat.S_IMODE(file_stat.st_mode))
 
-    def test_copy_mode_with_existing(self):
+    def test_preserve_mode_with_existing(self):
         """Verify that file is created using mode of existing file
-        if copy_mode is true."""
+        if preserve_mode is true."""
         path = os.path.join(self.tmp, "NewFile.txt")
         contents = "Hey there"
 
         open(path, 'w').close()
         os.chmod(path, 0o666)
 
-        util.write_file(path, contents, copy_mode=True)
+        util.write_file(path, contents, preserve_mode=True)
 
         self.assertTrue(os.path.exists(path))
         self.assertTrue(os.path.isfile(path))