Improve storage/test_filesystem

with one additional test and fixing of the documentation.

Author: bernhardreiter

docs/config.rst

@@ -408,7 +408,7 @@ Local
       fileext = "..."
       #encoding = "utf-8"
       #post_hook = null
-      #fileextignore = ".tmp"
+      #fileignoreext = ".tmp"
 
     Can be used with `khal <http://lostpackets.de/khal/>`_. See :doc:`vdir` for
     a more formal description of the format.
@@ -427,7 +427,7 @@ Local
     :param post_hook: A command to call for each item creation and
         modification. The command will be called with the path of the
         new/updated file.
-    :param fileextignore: The file extention to ignore,
+    :param fileeignoreext: The file extention to ignore,
         the default is ``.tmp``.
 
 .. storage:: singlefile

tests/storage/test_filesystem.py

@@ -63,6 +63,17 @@ def test_ignore_tmp_files_empty_fileext(self, tmpdir):
         # assert False, tmpdir.listdir() # enable to see the created filename
         assert len(list(s.list())) == 1
 
+    def test_ignore_files_typical_backup(self, tmpdir):
+        """Test file-name ignorance with typical backup ending ~."""
+        ignorext = "~" # without dot
+        s = self.storage_class(str(tmpdir), '', fileignoreext="~")
+        s.upload(Item('UID:xyzxyz'))
+        item_file, = tmpdir.listdir()
+        item_file.copy(item_file.new(basename=item_file.basename+'~'))
+        assert len(tmpdir.listdir()) == 2
+        #assert False, tmpdir.listdir() # enable to see the created filename
+        assert len(list(s.list())) == 1
+
     def test_too_long_uid(self, tmpdir):
         s = self.storage_class(str(tmpdir), ".txt")
         item = Item("UID:" + "hue" * 600)