[V3 DataConverter] Fix past nicks conversion for mod (#1840)

* Fix existing tests permanently modifying attributes

* Add dataconverter tests file

* Fix past nicks spec converter

* Update gitignore for dataconverter data files

* Add data file for dataconverter test

* Simplify fix

tests/cogs/dataconverter/data/mod/past_nicknames.json

@@ -0,0 +1,26 @@
+{
+    "1" : {
+        "1" : [
+            "Test",
+            "Test2",
+            "TEST3"
+        ],
+        "2" : [
+            "Test4",
+            "Test5",
+            "TEST6"
+        ]
+    },
+    "2" : {
+        "1" : [
+            "Test",
+            "Test2",
+            "TEST3"
+        ],
+        "2" : [
+            "Test4",
+            "Test5",
+            "TEST6"
+        ]
+    }
+}

tests/cogs/dataconverter/test_dataconverter.py

@@ -0,0 +1,39 @@
+import pytest
+from pathlib import Path
+from collections import namedtuple
+
+from redbot.cogs.dataconverter import core_specs
+from redbot.core.utils.data_converter import DataConverter
+
+
+def mock_dpy_object(id_):
+    return namedtuple("DPYObject", "id")(int(id_))
+
+
+def mock_dpy_member(guildid, userid):
+    return namedtuple("Member", "id guild")(int(userid), mock_dpy_object(guildid))
+
+
+@pytest.fixture()
+def specresolver():
+    here = Path(__file__)
+
+    resolver = core_specs.SpecResolver(here.parent)
+    return resolver
+
+
+@pytest.mark.asyncio
+async def test_mod_nicknames(red, specresolver: core_specs.SpecResolver):
+    filepath, converter, cogname, attr, _id = specresolver.get_conversion_info("Past Nicknames")
+    conf = specresolver.get_config_object(red, cogname, attr, _id)
+
+    v2data = DataConverter.json_load(filepath)
+
+    await specresolver.convert(red, "Past Nicknames", config=conf)
+
+    for guildid, guild_data in v2data.items():
+        guild = mock_dpy_object(guildid)
+        for userid, user_data in guild_data.items():
+            member = mock_dpy_member(guildid, userid)
+
+            assert await conf.member(member).past_nicks() == user_data

tests/cogs/test_alias.py

@@ -1,15 +1,14 @@
 import pytest
 
 from redbot.cogs.alias import Alias
+from redbot.core import Config
 
 
 @pytest.fixture()
-def alias(config):
-    import redbot.cogs.alias.alias
-
-    redbot.cogs.alias.alias.Config.get_conf = lambda *args, **kwargs: config
-
-    return Alias(None)
+def alias(config, monkeypatch):
+    with monkeypatch.context() as m:
+        m.setattr(Config, "get_conf", lambda *args, **kwargs: config)
+        return Alias(None)
 
 
 def test_is_valid_alias_name(alias):

tests/cogs/test_economy.py

@@ -2,15 +2,15 @@ import pytest
 
 
 @pytest.fixture()
-def bank(config):
+def bank(config, monkeypatch):
     from redbot.core import Config
 
-    Config.get_conf = lambda *args, **kwargs: config
+    with monkeypatch.context() as m:
+        m.setattr(Config, "get_conf", lambda *args, **kwargs: config)
+        from redbot.core import bank
 
-    from redbot.core import bank
-
-    bank._register_defaults()
-    return bank
+        bank._register_defaults()
+        return bank
 
 
 @pytest.mark.asyncio

tests/cogs/test_mod.py

@@ -2,15 +2,15 @@ import pytest
 
 
 @pytest.fixture
-def mod(config):
+def mod(config, monkeypatch):
     from redbot.core import Config
 
-    Config.get_conf = lambda *args, **kwargs: config
+    with monkeypatch.context() as m:
+        m.setattr(Config, "get_conf", lambda *args, **kwargs: config)
+        from redbot.core import modlog
 
-    from redbot.core import modlog
-
-    modlog._register_defaults()
-    return modlog
+        modlog._register_defaults()
+        return modlog
 
 
 @pytest.mark.asyncio