fix: aliases on their own used to end in .

Author: corneliusroemer

src/pango_aliasor/aliasor.py

@@ -80,6 +80,8 @@ def partial_compress(self, name, up_to: int = 0, accepted_aliases: set = {}):
                         alias = self.realias_dict[to_alias]
                         return alias + "." + ".".join(name_split[(3 * level + 1) :])
 
+        if name_split[(3 * up_to + 1) :] == []:
+            return alias
         return alias + "." + ".".join(name_split[(3 * up_to + 1) :])
 
 

tests/test_aliasor.py

@@ -72,6 +72,7 @@ def test_partial_alias_accepted():
     assert aliasor.partial_compress('B.1.1.529.1.2', accepted_aliases={"BA","AZ"}) == "BA.1.2"
     assert aliasor.partial_compress('B.1.617.2.3', accepted_aliases={"BA","AZ"}) == "B.1.617.2.3"
     assert aliasor.partial_compress('B.1.1.529.2.75.1.2', accepted_aliases={"BA"}) == 'BA.2.75.1.2'
+    assert aliasor.partial_compress('B', accepted_aliases={"BA"}) == 'B'
 
 def test_partial_alias_combination():
     aliasor = Aliasor()