Fix directories not normalised when trailing slash is present

normalisename.py

@@ -46,13 +46,21 @@ class Normalisename:
         return [self.normalise(path) for path in paths]
 
     def normalise(self, path):
+        path = self.strip_trailing_slash(path)
         directory = dirname(path)
         filename = basename(path)
         normalpath = joinpath(directory, self.normalname(filename))
+
         if path != normalpath:
             self.operation(path, normalpath)  # pylint: disable=not-callable
         return normalpath
 
+    @staticmethod
+    def strip_trailing_slash(path):
+        if path[-1] == '/':
+            path = path[:-1]
+        return path
+
     def normalname(self, filename):
         return unidecode(
             ''.join(

test.py

@@ -50,4 +50,5 @@ def test_dirname_is_not_changed(normalise, path):
 
 
 def test_name_with_trailing_slash_is_normalised(normalise):
-    assert False
+    path = '/home/user/Desktop/cat directory/'
+    assert normalise(path) == f'/home/user/Desktop/cat{SEP}directory'