Elixir 1.19: Create ConfigDB blacklist and task for :pleroma, :logger

This option was never configurable with ConfigDB when it lived under
:logger, :backends; no need to be configurable now.

test/mix/tasks/pleroma/config_test.exs

@@ -369,5 +369,40 @@ defmodule Mix.Tasks.Pleroma.ConfigTest do
       MixTask.run(["filter_whitelisted", "--force"])
       assert config_records() == existing
     end
+
+    test "filters blacklisted settings" do
+      clear_config(:database_config_whitelist, [{:pleroma}])
+      clear_config(:database_config_blacklist, [
+        {:pleroma, :logger}
+      ])
+
+      insert_config_record(:pleroma, :logger, backends: :console)
+      insert_config_record(:web_push_encryption, :vapid_details, a: 1)
+
+      MixTask.run(["filter_blacklisted", "--force"])
+
+      assert [
+               %ConfigDB{group: :pleroma, key: :instance},
+               %ConfigDB{group: :pleroma, key: Pleroma.Captcha},
+               %ConfigDB{group: :pleroma2, key: :key2},
+               %ConfigDB{group: :web_push_encryption, key: :vapid_details},
+             ] = config_records()
+    end
+
+    test "filter_blacklisted doesn't crash when blacklist is unset" do
+      clear_config(:database_config_blacklist, nil)
+
+      existing = config_records()
+      MixTask.run(["filter_blacklisted", "--force"])
+      assert config_records() == existing
+    end
+
+    test "filter_blacklisted doesn't crash when blacklist is disabled" do
+      clear_config(:database_config_blacklist, false)
+
+      existing = config_records()
+      MixTask.run(["filter_blacklisted", "--force"])
+      assert config_records() == existing
+    end
   end
 end