diff --git a/musicbot/utils/localisation/localizedcontext.py b/musicbot/utils/localisation/localizedcontext.py
index 3a9f810..bcfebd5 100644
--- a/musicbot/utils/localisation/localizedcontext.py
+++ b/musicbot/utils/localisation/localizedcontext.py
@@ -2,8 +2,10 @@
 from discord.ext import commands
 
 from typing import Optional
+
 from .localizer.localizerwrapper import LocalizerWrapper
 
+
 class LocalizedContext(commands.Context):
     def __init__(self, **kwargs):
         super().__init__(**kwargs)
diff --git a/musicbot/utils/settingsmanager/test_dictmapper.py b/musicbot/utils/settingsmanager/test_dictmapper.py
new file mode 100644
index 0000000..825be1e
--- /dev/null
+++ b/musicbot/utils/settingsmanager/test_dictmapper.py
@@ -0,0 +1,91 @@
+from .dictmapper import DictMapper
+
+
+class TestDictMapper():
+    def test_dict_mapper_basic_set(self):
+        d = {}
+        DictMapper.set(d, ["a", "b", "c"], 1)
+        assert d == {"a": {"b": {"c": 1}}}
+
+    def test_dict_mapper_basic_get(self):
+        d = {"a": {"b": {"c": 1}}}
+        assert DictMapper.get(d, ["a", "b", "c"]) == 1
+
+    def test_get_variations(self):
+        d = {"a": {"b": {"c": 1}}}
+
+        assert DictMapper.get(d, ["a", "b", "c"]) == DictMapper.get(d["a"], ["b", "c"])
+        assert DictMapper.get(d, ["a", "b", "c"]) == DictMapper.get(d["a"]["b"], ["c"])
+        assert DictMapper.get(d, ["a", "b", "c"]) == d["a"]["b"]["c"]
+
+    def test_get_sub_dictionaries(self):
+        d = {"a": {"b": {"c": 1}}}
+        assert DictMapper.get(d, ["a", "b"]) == d["a"]["b"]
+        assert DictMapper.get(d["a"], ["b"]) == DictMapper.get(d["a"], ["b"])
+
+    def test_set_variation(self):
+        d = {"a": {"b": {"c": 1}}}
+        d1 = {}
+        d2 = {}
+
+        DictMapper.set(d1, ["a", "b"], {"c": 1})
+        assert d1 == d
+
+        DictMapper.set(d2, ["a"], {"b": {"c": 1}})
+        assert d2 == d
+
+    def test_multiple_paths(self):
+        d = {}
+
+        DictMapper.set(d, ["a", "b1", "c"], 1)
+        DictMapper.set(d, ["a", "b1", "d"], 2)
+        DictMapper.set(d, ["a", "b2", "c"], 3)
+        DictMapper.set(d, ["a", "b2", "d"], 4)
+
+        expected = {
+                "a": {
+                    "b1": {
+                        "c": 1,
+                        "d": 2,
+                       },
+                    "b2": {
+                        "c": 3,
+                        "d": 4,
+                       }
+                   }
+               }
+        assert d == expected
+
+    def test_overwrite(self):
+        d = {}
+
+        DictMapper.set(d, ["a", "b1", "c"], 1)
+        DictMapper.set(d, ["a", "b1", "d"], 2)
+        DictMapper.set(d, ["a", "b2", "c"], 3)
+        DictMapper.set(d, ["a", "b2", "d"], 4)
+
+        expected = {
+                "a": {
+                    "b1": {
+                        "c": 1,
+                        "d": 2,
+                       },
+                    "b2": {
+                        "c": 3,
+                        "d": 4,
+                       }
+                   }
+               }
+        assert d == expected
+
+        DictMapper.set(d, ["a", "b2"], 4)
+        expected = {
+                "a": {
+                    "b1": {
+                        "c": 1,
+                        "d": 2,
+                       },
+                    "b2": 4,
+                   }
+               }
+        assert d == expected
diff --git a/musicbot/utils/settingsmanager/test_settingsmanager.py b/musicbot/utils/settingsmanager/test_settingsmanager.py
index 825be1e..d5c662b 100644
--- a/musicbot/utils/settingsmanager/test_settingsmanager.py
+++ b/musicbot/utils/settingsmanager/test_settingsmanager.py
@@ -89,3 +89,8 @@ class TestDictMapper():
                    }
                }
         assert d == expected
+
+
+@patch
+class TestSettingsManager:
+    def test_