From 4f8c3462a8821ffcf83f8b65edf48e55eff7080c Mon Sep 17 00:00:00 2001
From: Ivan Tashkinov <ivantashkinov@gmail.com>
Date: Thu, 13 Feb 2020 21:55:47 +0300
Subject: [PATCH] Tweaks to `clear_config` calls in tests in order to prevent
 side effects on config during test suite execution.

---
 test/activity_test.exs                        |  5 +--
 test/http/request_builder_test.exs            |  1 +
 test/object_test.exs                          |  1 +
 .../admin_secret_authentication_plug_test.exs |  2 +
 test/plugs/http_security_plug_test.exs        |  1 +
 test/plugs/remote_ip_test.exs                 |  4 ++
 test/plugs/user_enabled_plug_test.exs         |  5 +--
 test/repo_test.exs                            | 12 +----
 test/support/helpers.ex                       |  6 +++
 test/user_search_test.exs                     |  6 +--
 test/user_test.exs                            | 18 ++------
 test/web/activity_pub/activity_pub_test.exs   |  7 +--
 .../mrf/hellthread_policy_test.exs            |  2 +
 .../activity_pub/mrf/keyword_policy_test.exs  |  2 +
 .../activity_pub/mrf/mention_policy_test.exs  |  2 +
 .../activity_pub/mrf/subchain_policy_test.exs |  2 +
 .../transmogrifier/follow_handling_test.exs   |  2 +
 .../admin_api/admin_api_controller_test.exs   |  2 -
 test/web/common_api/common_api_test.exs       |  1 +
 .../controllers/account_controller_test.exs   | 10 ++---
 .../controllers/status_controller_test.exs    |  1 +
 .../media_proxy_controller_test.exs           |  7 +--
 test/web/media_proxy/media_proxy_test.exs     |  4 +-
 test/web/metadata/opengraph_test.exs          |  2 +
 test/web/metadata/twitter_card_test.exs       |  2 +
 test/web/node_info_test.exs                   | 44 ++++++++-----------
 test/web/oauth/oauth_controller_test.exs      |  3 +-
 test/web/plugs/federating_plug_test.exs       |  3 +-
 test/web/streamer/streamer_test.exs           |  2 +-
 test/web/twitter_api/twitter_api_test.exs     | 44 +++++--------------
 test/web/twitter_api/util_controller_test.exs |  1 -
 31 files changed, 87 insertions(+), 117 deletions(-)

diff --git a/test/activity_test.exs b/test/activity_test.exs
index e7ea2bd5e..8aeece96d 100644
--- a/test/activity_test.exs
+++ b/test/activity_test.exs
@@ -138,6 +138,8 @@ test "when association is not loaded" do
       }
     end
 
+    clear_config([:instance, :limit_to_local_content])
+
     test "finds utf8 text in statuses", %{
       japanese_activity: japanese_activity,
       user: user
@@ -165,7 +167,6 @@ test "find only local statuses for unauthenticated users  when `limit_to_local_c
          %{local_activity: local_activity} do
       Pleroma.Config.put([:instance, :limit_to_local_content], :all)
       assert [^local_activity] = Activity.search(nil, "find me")
-      Pleroma.Config.put([:instance, :limit_to_local_content], :unauthenticated)
     end
 
     test "find all statuses for unauthenticated users when `limit_to_local_content` is `false`",
@@ -178,8 +179,6 @@ test "find all statuses for unauthenticated users when `limit_to_local_content`
       activities = Enum.sort_by(Activity.search(nil, "find me"), & &1.id)
 
       assert [^local_activity, ^remote_activity] = activities
-
-      Pleroma.Config.put([:instance, :limit_to_local_content], :unauthenticated)
     end
   end
 
diff --git a/test/http/request_builder_test.exs b/test/http/request_builder_test.exs
index 80ef25d7b..113158c9f 100644
--- a/test/http/request_builder_test.exs
+++ b/test/http/request_builder_test.exs
@@ -9,6 +9,7 @@ defmodule Pleroma.HTTP.RequestBuilderTest do
 
   describe "headers/2" do
     clear_config([:http, :send_user_agent])
+    clear_config([:http, :user_agent])
 
     test "don't send pleroma user agent" do
       assert RequestBuilder.headers(%{}, []) == %{headers: []}
diff --git a/test/object_test.exs b/test/object_test.exs
index 5690bedec..75f192da2 100644
--- a/test/object_test.exs
+++ b/test/object_test.exs
@@ -75,6 +75,7 @@ test "ensures cache is cleared for the object" do
 
   describe "delete attachments" do
     clear_config([Pleroma.Upload])
+    clear_config([:instance, :cleanup_attachments])
 
     test "Disabled via config" do
       Pleroma.Config.put([Pleroma.Upload, :uploader], Pleroma.Uploaders.Local)
diff --git a/test/plugs/admin_secret_authentication_plug_test.exs b/test/plugs/admin_secret_authentication_plug_test.exs
index 506b1f609..e41ce1825 100644
--- a/test/plugs/admin_secret_authentication_plug_test.exs
+++ b/test/plugs/admin_secret_authentication_plug_test.exs
@@ -23,6 +23,8 @@ test "does nothing if a user is assigned", %{conn: conn} do
   end
 
   describe "when secret set it assigns an admin user" do
+    clear_config([:admin_token])
+
     test "with `admin_token` query parameter", %{conn: conn} do
       Pleroma.Config.put(:admin_token, "password123")
 
diff --git a/test/plugs/http_security_plug_test.exs b/test/plugs/http_security_plug_test.exs
index 9c1c20541..aa285d827 100644
--- a/test/plugs/http_security_plug_test.exs
+++ b/test/plugs/http_security_plug_test.exs
@@ -9,6 +9,7 @@ defmodule Pleroma.Web.Plugs.HTTPSecurityPlugTest do
 
   clear_config([:http_securiy, :enabled])
   clear_config([:http_security, :sts])
+  clear_config([:http_security, :referrer_policy])
 
   describe "http security enabled" do
     setup do
diff --git a/test/plugs/remote_ip_test.exs b/test/plugs/remote_ip_test.exs
index d120c588b..93e276454 100644
--- a/test/plugs/remote_ip_test.exs
+++ b/test/plugs/remote_ip_test.exs
@@ -8,6 +8,10 @@ defmodule Pleroma.Plugs.RemoteIpTest do
 
   alias Pleroma.Plugs.RemoteIp
 
+  import Pleroma.Tests.Helpers, only: [clear_config: 1, clear_config: 2]
+
+  clear_config(RemoteIp)
+
   test "disabled" do
     Pleroma.Config.put(RemoteIp, enabled: false)
 
diff --git a/test/plugs/user_enabled_plug_test.exs b/test/plugs/user_enabled_plug_test.exs
index a4035bf0e..b6f297552 100644
--- a/test/plugs/user_enabled_plug_test.exs
+++ b/test/plugs/user_enabled_plug_test.exs
@@ -8,6 +8,8 @@ defmodule Pleroma.Plugs.UserEnabledPlugTest do
   alias Pleroma.Plugs.UserEnabledPlug
   import Pleroma.Factory
 
+  clear_config([:instance, :account_activation_required])
+
   test "doesn't do anything if the user isn't set", %{conn: conn} do
     ret_conn =
       conn
@@ -18,7 +20,6 @@ test "doesn't do anything if the user isn't set", %{conn: conn} do
 
   test "with a user that's not confirmed and a config requiring confirmation, it removes that user",
        %{conn: conn} do
-    old = Pleroma.Config.get([:instance, :account_activation_required])
     Pleroma.Config.put([:instance, :account_activation_required], true)
 
     user = insert(:user, confirmation_pending: true)
@@ -29,8 +30,6 @@ test "with a user that's not confirmed and a config requiring confirmation, it r
       |> UserEnabledPlug.call(%{})
 
     assert conn.assigns.user == nil
-
-    Pleroma.Config.put([:instance, :account_activation_required], old)
   end
 
   test "with a user that is deactivated, it removes that user", %{conn: conn} do
diff --git a/test/repo_test.exs b/test/repo_test.exs
index 5526b0327..2224a6b2b 100644
--- a/test/repo_test.exs
+++ b/test/repo_test.exs
@@ -67,6 +67,8 @@ test "return error if has not assoc " do
       :ok
     end
 
+    clear_config([:i_am_aware_this_may_cause_data_loss, :disable_migration_check])
+
     test "raises if it detects unapplied migrations" do
       assert_raise Pleroma.Repo.UnappliedMigrationsError, fn ->
         capture_log(&Repo.check_migrations_applied!/0)
@@ -74,18 +76,8 @@ test "raises if it detects unapplied migrations" do
     end
 
     test "doesn't do anything if disabled" do
-      disable_migration_check =
-        Pleroma.Config.get([:i_am_aware_this_may_cause_data_loss, :disable_migration_check])
-
       Pleroma.Config.put([:i_am_aware_this_may_cause_data_loss, :disable_migration_check], true)
 
-      on_exit(fn ->
-        Pleroma.Config.put(
-          [:i_am_aware_this_may_cause_data_loss, :disable_migration_check],
-          disable_migration_check
-        )
-      end)
-
       assert :ok == Repo.check_migrations_applied!()
     end
   end
diff --git a/test/support/helpers.ex b/test/support/helpers.ex
index d36c29cef..db2f08c81 100644
--- a/test/support/helpers.ex
+++ b/test/support/helpers.ex
@@ -26,6 +26,7 @@ defmacro clear_config(config_path, do: yield) do
     end
   end
 
+  @doc "Stores initial config value and restores it after *all* test examples are executed."
   defmacro clear_config_all(config_path) do
     quote do
       clear_config_all(unquote(config_path)) do
@@ -33,6 +34,11 @@ defmacro clear_config_all(config_path) do
     end
   end
 
+  @doc """
+  Stores initial config value and restores it after *all* test examples are executed.
+  Only use if *all* test examples should work with the same stubbed value
+  (*no* examples set a different value).
+  """
   defmacro clear_config_all(config_path, do: yield) do
     quote do
       setup_all do
diff --git a/test/user_search_test.exs b/test/user_search_test.exs
index 821858476..fe52cc7a1 100644
--- a/test/user_search_test.exs
+++ b/test/user_search_test.exs
@@ -15,6 +15,8 @@ defmodule Pleroma.UserSearchTest do
   end
 
   describe "User.search" do
+    clear_config([:instance, :limit_to_local_content])
+
     test "excluded invisible users from results" do
       user = insert(:user, %{nickname: "john t1000"})
       insert(:user, %{invisible: true, nickname: "john t800"})
@@ -127,8 +129,6 @@ test "find only local users for authenticated users when `limit_to_local_content
       insert(:user, %{nickname: "lain@pleroma.soykaf.com", local: false})
 
       assert [%{id: ^id}] = User.search("lain")
-
-      Pleroma.Config.put([:instance, :limit_to_local_content], :unauthenticated)
     end
 
     test "find all users for unauthenticated users when `limit_to_local_content` is `false`" do
@@ -145,8 +145,6 @@ test "find all users for unauthenticated users when `limit_to_local_content` is
         |> Enum.sort()
 
       assert [u1.id, u2.id, u3.id] == results
-
-      Pleroma.Config.put([:instance, :limit_to_local_content], :unauthenticated)
     end
 
     test "does not yield false-positive matches" do
diff --git a/test/user_test.exs b/test/user_test.exs
index 1b5e63bd4..2fc42a90d 100644
--- a/test/user_test.exs
+++ b/test/user_test.exs
@@ -297,15 +297,7 @@ test "local users do not automatically follow local locked accounts" do
   end
 
   describe "unfollow/2" do
-    setup do
-      setting = Pleroma.Config.get([:instance, :external_user_synchronization])
-
-      on_exit(fn ->
-        Pleroma.Config.put([:instance, :external_user_synchronization], setting)
-      end)
-
-      :ok
-    end
+    clear_config([:instance, :external_user_synchronization])
 
     test "unfollow with syncronizes external user" do
       Pleroma.Config.put([:instance, :external_user_synchronization], true)
@@ -383,6 +375,7 @@ test "fetches correct profile for nickname beginning with number" do
       password_confirmation: "test",
       email: "email@example.com"
     }
+
     clear_config([:instance, :autofollowed_nicknames])
     clear_config([:instance, :welcome_message])
     clear_config([:instance, :welcome_user_nickname])
@@ -1754,17 +1747,14 @@ test "changes email", %{user: user} do
 
   describe "get_cached_by_nickname_or_id" do
     setup do
-      limit_to_local_content = Pleroma.Config.get([:instance, :limit_to_local_content])
       local_user = insert(:user)
       remote_user = insert(:user, nickname: "nickname@example.com", local: false)
 
-      on_exit(fn ->
-        Pleroma.Config.put([:instance, :limit_to_local_content], limit_to_local_content)
-      end)
-
       [local_user: local_user, remote_user: remote_user]
     end
 
+    clear_config([:instance, :limit_to_local_content])
+
     test "allows getting remote users by id no matter what :limit_to_local_content is set to", %{
       remote_user: remote_user
     } do
diff --git a/test/web/activity_pub/activity_pub_test.exs b/test/web/activity_pub/activity_pub_test.exs
index ce68e7d0e..9b7cfee63 100644
--- a/test/web/activity_pub/activity_pub_test.exs
+++ b/test/web/activity_pub/activity_pub_test.exs
@@ -1224,6 +1224,8 @@ test "creates an undo activity for the last block" do
   end
 
   describe "deletion" do
+    clear_config([:instance, :rewrite_policy])
+
     test "it creates a delete activity and deletes the original object" do
       note = insert(:note_activity)
       object = Object.normalize(note)
@@ -1327,11 +1329,8 @@ test "decreases reply count" do
     end
 
     test "it passes delete activity through MRF before deleting the object" do
-      rewrite_policy = Pleroma.Config.get([:instance, :rewrite_policy])
       Pleroma.Config.put([:instance, :rewrite_policy], Pleroma.Web.ActivityPub.MRF.DropPolicy)
 
-      on_exit(fn -> Pleroma.Config.put([:instance, :rewrite_policy], rewrite_policy) end)
-
       note = insert(:note_activity)
       object = Object.normalize(note)
 
@@ -1396,6 +1395,8 @@ test "it filters broken threads" do
   end
 
   describe "update" do
+    clear_config([:instance, :max_pinned_statuses])
+
     test "it creates an update activity with the new user data" do
       user = insert(:user)
       {:ok, user} = User.ensure_keys_present(user)
diff --git a/test/web/activity_pub/mrf/hellthread_policy_test.exs b/test/web/activity_pub/mrf/hellthread_policy_test.exs
index eb6ee4d04..a78752a12 100644
--- a/test/web/activity_pub/mrf/hellthread_policy_test.exs
+++ b/test/web/activity_pub/mrf/hellthread_policy_test.exs
@@ -26,6 +26,8 @@ defmodule Pleroma.Web.ActivityPub.MRF.HellthreadPolicyTest do
     [user: user, message: message]
   end
 
+  clear_config(:mrf_hellthread)
+
   describe "reject" do
     test "rejects the message if the recipient count is above reject_threshold", %{
       message: message
diff --git a/test/web/activity_pub/mrf/keyword_policy_test.exs b/test/web/activity_pub/mrf/keyword_policy_test.exs
index 602892a37..d950ddd56 100644
--- a/test/web/activity_pub/mrf/keyword_policy_test.exs
+++ b/test/web/activity_pub/mrf/keyword_policy_test.exs
@@ -7,6 +7,8 @@ defmodule Pleroma.Web.ActivityPub.MRF.KeywordPolicyTest do
 
   alias Pleroma.Web.ActivityPub.MRF.KeywordPolicy
 
+  clear_config(:mrf_keyword)
+
   setup do
     Pleroma.Config.put([:mrf_keyword], %{reject: [], federated_timeline_removal: [], replace: []})
   end
diff --git a/test/web/activity_pub/mrf/mention_policy_test.exs b/test/web/activity_pub/mrf/mention_policy_test.exs
index 9fd9c31df..93a55850f 100644
--- a/test/web/activity_pub/mrf/mention_policy_test.exs
+++ b/test/web/activity_pub/mrf/mention_policy_test.exs
@@ -7,6 +7,8 @@ defmodule Pleroma.Web.ActivityPub.MRF.MentionPolicyTest do
 
   alias Pleroma.Web.ActivityPub.MRF.MentionPolicy
 
+  clear_config(:mrf_mention)
+
   test "pass filter if allow list is empty" do
     Pleroma.Config.delete([:mrf_mention])
 
diff --git a/test/web/activity_pub/mrf/subchain_policy_test.exs b/test/web/activity_pub/mrf/subchain_policy_test.exs
index f7cbcad48..29065f612 100644
--- a/test/web/activity_pub/mrf/subchain_policy_test.exs
+++ b/test/web/activity_pub/mrf/subchain_policy_test.exs
@@ -14,6 +14,8 @@ defmodule Pleroma.Web.ActivityPub.MRF.SubchainPolicyTest do
     "object" => %{"content" => "hi"}
   }
 
+  clear_config([:mrf_subchain, :match_actor])
+
   test "it matches and processes subchains when the actor matches a configured target" do
     Pleroma.Config.put([:mrf_subchain, :match_actor], %{
       ~r/^https:\/\/banned.com/s => [DropPolicy]
diff --git a/test/web/activity_pub/transmogrifier/follow_handling_test.exs b/test/web/activity_pub/transmogrifier/follow_handling_test.exs
index 1c88b05c2..fd771ac54 100644
--- a/test/web/activity_pub/transmogrifier/follow_handling_test.exs
+++ b/test/web/activity_pub/transmogrifier/follow_handling_test.exs
@@ -19,6 +19,8 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier.FollowHandlingTest do
   end
 
   describe "handle_incoming" do
+    clear_config([:user, :deny_follow_blocked])
+
     test "it works for osada follow request" do
       user = insert(:user)
 
diff --git a/test/web/admin_api/admin_api_controller_test.exs b/test/web/admin_api/admin_api_controller_test.exs
index 5fbdf96f6..ddfb9a5f5 100644
--- a/test/web/admin_api/admin_api_controller_test.exs
+++ b/test/web/admin_api/admin_api_controller_test.exs
@@ -1890,9 +1890,7 @@ test "returns error when status is not exist", %{conn: conn} do
     end
 
     test "when configuration from database is off", %{conn: conn} do
-      initial = Pleroma.Config.get(:configurable_from_database)
       Pleroma.Config.put(:configurable_from_database, false)
-      on_exit(fn -> Pleroma.Config.put(:configurable_from_database, initial) end)
       conn = get(conn, "/api/pleroma/admin/config")
 
       assert json_response(conn, 400) ==
diff --git a/test/web/common_api/common_api_test.exs b/test/web/common_api/common_api_test.exs
index 11f7c068f..601c32954 100644
--- a/test/web/common_api/common_api_test.exs
+++ b/test/web/common_api/common_api_test.exs
@@ -68,6 +68,7 @@ test "with the safe_dm_mention option set, it does not mention people beyond the
     har = insert(:user)
     jafnhar = insert(:user)
     tridi = insert(:user)
+
     Pleroma.Config.put([:instance, :safe_dm_mentions], true)
 
     {:ok, activity} =
diff --git a/test/web/mastodon_api/controllers/account_controller_test.exs b/test/web/mastodon_api/controllers/account_controller_test.exs
index e2abcd7c5..8625bb9cf 100644
--- a/test/web/mastodon_api/controllers/account_controller_test.exs
+++ b/test/web/mastodon_api/controllers/account_controller_test.exs
@@ -15,6 +15,8 @@ defmodule Pleroma.Web.MastodonAPI.AccountControllerTest do
   import Pleroma.Factory
 
   describe "account fetching" do
+    clear_config([:instance, :limit_to_local_content])
+
     test "works by id" do
       user = insert(:user)
 
@@ -44,7 +46,6 @@ test "works by nickname" do
     end
 
     test "works by nickname for remote users" do
-      limit_to_local = Pleroma.Config.get([:instance, :limit_to_local_content])
       Pleroma.Config.put([:instance, :limit_to_local_content], false)
       user = insert(:user, nickname: "user@example.com", local: false)
 
@@ -52,13 +53,11 @@ test "works by nickname for remote users" do
         build_conn()
         |> get("/api/v1/accounts/#{user.nickname}")
 
-      Pleroma.Config.put([:instance, :limit_to_local_content], limit_to_local)
       assert %{"id" => id} = json_response(conn, 200)
       assert id == user.id
     end
 
     test "respects limit_to_local_content == :all for remote user nicknames" do
-      limit_to_local = Pleroma.Config.get([:instance, :limit_to_local_content])
       Pleroma.Config.put([:instance, :limit_to_local_content], :all)
 
       user = insert(:user, nickname: "user@example.com", local: false)
@@ -67,12 +66,10 @@ test "respects limit_to_local_content == :all for remote user nicknames" do
         build_conn()
         |> get("/api/v1/accounts/#{user.nickname}")
 
-      Pleroma.Config.put([:instance, :limit_to_local_content], limit_to_local)
       assert json_response(conn, 404)
     end
 
     test "respects limit_to_local_content == :unauthenticated for remote user nicknames" do
-      limit_to_local = Pleroma.Config.get([:instance, :limit_to_local_content])
       Pleroma.Config.put([:instance, :limit_to_local_content], :unauthenticated)
 
       user = insert(:user, nickname: "user@example.com", local: false)
@@ -90,7 +87,6 @@ test "respects limit_to_local_content == :unauthenticated for remote user nickna
         |> assign(:token, insert(:oauth_token, user: reading_user, scopes: ["read:accounts"]))
         |> get("/api/v1/accounts/#{user.nickname}")
 
-      Pleroma.Config.put([:instance, :limit_to_local_content], limit_to_local)
       assert %{"id" => id} = json_response(conn, 200)
       assert id == user.id
     end
@@ -677,6 +673,8 @@ test "returns error when user already registred", %{conn: conn, valid_params: va
       assert json_response(res, 400) == %{"error" => "{\"email\":[\"has already been taken\"]}"}
     end
 
+    clear_config([Pleroma.Plugs.RemoteIp, :enabled])
+
     test "rate limit", %{conn: conn} do
       Pleroma.Config.put([Pleroma.Plugs.RemoteIp, :enabled], true)
       app_token = insert(:oauth_token, user: nil)
diff --git a/test/web/mastodon_api/controllers/status_controller_test.exs b/test/web/mastodon_api/controllers/status_controller_test.exs
index 810f371cb..4f467ac11 100644
--- a/test/web/mastodon_api/controllers/status_controller_test.exs
+++ b/test/web/mastodon_api/controllers/status_controller_test.exs
@@ -21,6 +21,7 @@ defmodule Pleroma.Web.MastodonAPI.StatusControllerTest do
 
   clear_config([:instance, :federating])
   clear_config([:instance, :allow_relay])
+  clear_config([:rich_media, :enabled])
 
   describe "posting statuses" do
     setup do: oauth_access(["write:statuses"])
diff --git a/test/web/media_proxy/media_proxy_controller_test.exs b/test/web/media_proxy/media_proxy_controller_test.exs
index fdfdb5ec6..8c0c2a0e2 100644
--- a/test/web/media_proxy/media_proxy_controller_test.exs
+++ b/test/web/media_proxy/media_proxy_controller_test.exs
@@ -7,11 +7,8 @@ defmodule Pleroma.Web.MediaProxy.MediaProxyControllerTest do
   import Mock
   alias Pleroma.Config
 
-  setup do
-    media_proxy_config = Config.get([:media_proxy]) || []
-    on_exit(fn -> Config.put([:media_proxy], media_proxy_config) end)
-    :ok
-  end
+  clear_config(:media_proxy)
+  clear_config([Pleroma.Web.Endpoint, :secret_key_base])
 
   test "it returns 404 when MediaProxy disabled", %{conn: conn} do
     Config.put([:media_proxy, :enabled], false)
diff --git a/test/web/media_proxy/media_proxy_test.exs b/test/web/media_proxy/media_proxy_test.exs
index 96bdde219..2be5c9de0 100644
--- a/test/web/media_proxy/media_proxy_test.exs
+++ b/test/web/media_proxy/media_proxy_test.exs
@@ -9,6 +9,7 @@ defmodule Pleroma.Web.MediaProxyTest do
   alias Pleroma.Web.MediaProxy.MediaProxyController
 
   clear_config([:media_proxy, :enabled])
+  clear_config(Pleroma.Upload)
 
   describe "when enabled" do
     setup do
@@ -224,7 +225,6 @@ test "does not change whitelisted urls" do
     end
 
     test "ensure Pleroma.Upload base_url is always whitelisted" do
-      upload_config = Pleroma.Config.get([Pleroma.Upload])
       media_url = "https://media.pleroma.social"
       Pleroma.Config.put([Pleroma.Upload, :base_url], media_url)
 
@@ -232,8 +232,6 @@ test "ensure Pleroma.Upload base_url is always whitelisted" do
       encoded = url(url)
 
       assert String.starts_with?(encoded, media_url)
-
-      Pleroma.Config.put([Pleroma.Upload], upload_config)
     end
   end
 end
diff --git a/test/web/metadata/opengraph_test.exs b/test/web/metadata/opengraph_test.exs
index 4283f72cd..0d47b1cb8 100644
--- a/test/web/metadata/opengraph_test.exs
+++ b/test/web/metadata/opengraph_test.exs
@@ -7,6 +7,8 @@ defmodule Pleroma.Web.Metadata.Providers.OpenGraphTest do
   import Pleroma.Factory
   alias Pleroma.Web.Metadata.Providers.OpenGraph
 
+  clear_config([Pleroma.Web.Metadata, :unfurl_nsfw])
+
   test "it renders all supported types of attachments and skips unknown types" do
     user = insert(:user)
 
diff --git a/test/web/metadata/twitter_card_test.exs b/test/web/metadata/twitter_card_test.exs
index 85a654f52..faf347cc6 100644
--- a/test/web/metadata/twitter_card_test.exs
+++ b/test/web/metadata/twitter_card_test.exs
@@ -13,6 +13,8 @@ defmodule Pleroma.Web.Metadata.Providers.TwitterCardTest do
   alias Pleroma.Web.Metadata.Utils
   alias Pleroma.Web.Router
 
+  clear_config([Pleroma.Web.Metadata, :unfurl_nsfw])
+
   test "it renders twitter card for user info" do
     user = insert(:user, name: "Jimmy Hendriks", bio: "born 19 March 1994")
     avatar_url = Utils.attachment_url(User.avatar_url(user))
diff --git a/test/web/node_info_test.exs b/test/web/node_info_test.exs
index 39dd72cec..d1d7a3ce8 100644
--- a/test/web/node_info_test.exs
+++ b/test/web/node_info_test.exs
@@ -6,7 +6,9 @@ defmodule Pleroma.Web.NodeInfoTest do
   use Pleroma.Web.ConnCase
 
   import Pleroma.Factory
+
   clear_config([:mrf_simple])
+  clear_config(:instance)
 
   test "GET /.well-known/nodeinfo", %{conn: conn} do
     links =
@@ -63,11 +65,6 @@ test "returns software.repository field in nodeinfo 2.1", %{conn: conn} do
   end
 
   test "returns fieldsLimits field", %{conn: conn} do
-    max_account_fields = Pleroma.Config.get([:instance, :max_account_fields])
-    max_remote_account_fields = Pleroma.Config.get([:instance, :max_remote_account_fields])
-    account_field_name_length = Pleroma.Config.get([:instance, :account_field_name_length])
-    account_field_value_length = Pleroma.Config.get([:instance, :account_field_value_length])
-
     Pleroma.Config.put([:instance, :max_account_fields], 10)
     Pleroma.Config.put([:instance, :max_remote_account_fields], 15)
     Pleroma.Config.put([:instance, :account_field_name_length], 255)
@@ -82,11 +79,6 @@ test "returns fieldsLimits field", %{conn: conn} do
     assert response["metadata"]["fieldsLimits"]["maxRemoteFields"] == 15
     assert response["metadata"]["fieldsLimits"]["nameLength"] == 255
     assert response["metadata"]["fieldsLimits"]["valueLength"] == 2048
-
-    Pleroma.Config.put([:instance, :max_account_fields], max_account_fields)
-    Pleroma.Config.put([:instance, :max_remote_account_fields], max_remote_account_fields)
-    Pleroma.Config.put([:instance, :account_field_name_length], account_field_name_length)
-    Pleroma.Config.put([:instance, :account_field_value_length], account_field_value_length)
   end
 
   test "it returns the safe_dm_mentions feature if enabled", %{conn: conn} do
@@ -112,28 +104,28 @@ test "it returns the safe_dm_mentions feature if enabled", %{conn: conn} do
     Pleroma.Config.put([:instance, :safe_dm_mentions], option)
   end
 
-  test "it shows if federation is enabled/disabled", %{conn: conn} do
-    original = Pleroma.Config.get([:instance, :federating])
+  describe "`metadata/federation/enabled`" do
+    clear_config([:instance, :federating])
 
-    Pleroma.Config.put([:instance, :federating], true)
+    test "it shows if federation is enabled/disabled", %{conn: conn} do
+      Pleroma.Config.put([:instance, :federating], true)
 
-    response =
-      conn
-      |> get("/nodeinfo/2.1.json")
-      |> json_response(:ok)
+      response =
+        conn
+        |> get("/nodeinfo/2.1.json")
+        |> json_response(:ok)
 
-    assert response["metadata"]["federation"]["enabled"] == true
+      assert response["metadata"]["federation"]["enabled"] == true
 
-    Pleroma.Config.put([:instance, :federating], false)
+      Pleroma.Config.put([:instance, :federating], false)
 
-    response =
-      conn
-      |> get("/nodeinfo/2.1.json")
-      |> json_response(:ok)
+      response =
+        conn
+        |> get("/nodeinfo/2.1.json")
+        |> json_response(:ok)
 
-    assert response["metadata"]["federation"]["enabled"] == false
-
-    Pleroma.Config.put([:instance, :federating], original)
+      assert response["metadata"]["federation"]["enabled"] == false
+    end
   end
 
   test "it shows MRF transparency data if enabled", %{conn: conn} do
diff --git a/test/web/oauth/oauth_controller_test.exs b/test/web/oauth/oauth_controller_test.exs
index adeff8e25..89fcf8c36 100644
--- a/test/web/oauth/oauth_controller_test.exs
+++ b/test/web/oauth/oauth_controller_test.exs
@@ -17,7 +17,8 @@ defmodule Pleroma.Web.OAuth.OAuthControllerTest do
     key: "_test",
     signing_salt: "cooldude"
   ]
-  clear_config_all([:instance, :account_activation_required])
+
+  clear_config([:instance, :account_activation_required])
 
   describe "in OAuth consumer mode, " do
     setup do
diff --git a/test/web/plugs/federating_plug_test.exs b/test/web/plugs/federating_plug_test.exs
index 9dcab93da..c26b487d9 100644
--- a/test/web/plugs/federating_plug_test.exs
+++ b/test/web/plugs/federating_plug_test.exs
@@ -4,7 +4,8 @@
 
 defmodule Pleroma.Web.FederatingPlugTest do
   use Pleroma.Web.ConnCase
-  clear_config_all([:instance, :federating])
+
+  clear_config([:instance, :federating])
 
   test "returns and halt the conn when federating is disabled" do
     Pleroma.Config.put([:instance, :federating], false)
diff --git a/test/web/streamer/streamer_test.exs b/test/web/streamer/streamer_test.exs
index 2a7550551..1cf20f1c2 100644
--- a/test/web/streamer/streamer_test.exs
+++ b/test/web/streamer/streamer_test.exs
@@ -20,7 +20,7 @@ defmodule Pleroma.Web.StreamerTest do
   @streamer_timeout 150
   @streamer_start_wait 10
 
-  clear_config_all([:instance, :skip_thread_containment])
+  clear_config([:instance, :skip_thread_containment])
 
   describe "user streams" do
     setup do
diff --git a/test/web/twitter_api/twitter_api_test.exs b/test/web/twitter_api/twitter_api_test.exs
index 85a9be3e0..7650238f2 100644
--- a/test/web/twitter_api/twitter_api_test.exs
+++ b/test/web/twitter_api/twitter_api_test.exs
@@ -117,15 +117,8 @@ test "it registers a new user and parses mentions in the bio" do
   end
 
   describe "register with one time token" do
-    setup do
-      setting = Pleroma.Config.get([:instance, :registrations_open])
-
-      if setting do
-        Pleroma.Config.put([:instance, :registrations_open], false)
-        on_exit(fn -> Pleroma.Config.put([:instance, :registrations_open], setting) end)
-      end
-
-      :ok
+    clear_config([:instance, :registrations_open]) do
+      Pleroma.Config.put([:instance, :registrations_open], false)
     end
 
     test "returns user on success" do
@@ -191,14 +184,11 @@ test "returns error on expired token" do
   end
 
   describe "registers with date limited token" do
+    clear_config([:instance, :registrations_open]) do
+      Pleroma.Config.put([:instance, :registrations_open], false)
+    end
+
     setup do
-      setting = Pleroma.Config.get([:instance, :registrations_open])
-
-      if setting do
-        Pleroma.Config.put([:instance, :registrations_open], false)
-        on_exit(fn -> Pleroma.Config.put([:instance, :registrations_open], setting) end)
-      end
-
       data = %{
         "nickname" => "vinny",
         "email" => "pasta@pizza.vs",
@@ -256,15 +246,8 @@ test "returns an error on overdue date", %{data: data} do
   end
 
   describe "registers with reusable token" do
-    setup do
-      setting = Pleroma.Config.get([:instance, :registrations_open])
-
-      if setting do
-        Pleroma.Config.put([:instance, :registrations_open], false)
-        on_exit(fn -> Pleroma.Config.put([:instance, :registrations_open], setting) end)
-      end
-
-      :ok
+    clear_config([:instance, :registrations_open]) do
+      Pleroma.Config.put([:instance, :registrations_open], false)
     end
 
     test "returns user on success, after him registration fails" do
@@ -309,15 +292,8 @@ test "returns user on success, after him registration fails" do
   end
 
   describe "registers with reusable date limited token" do
-    setup do
-      setting = Pleroma.Config.get([:instance, :registrations_open])
-
-      if setting do
-        Pleroma.Config.put([:instance, :registrations_open], false)
-        on_exit(fn -> Pleroma.Config.put([:instance, :registrations_open], setting) end)
-      end
-
-      :ok
+    clear_config([:instance, :registrations_open]) do
+      Pleroma.Config.put([:instance, :registrations_open], false)
     end
 
     test "returns user on success" do
diff --git a/test/web/twitter_api/util_controller_test.exs b/test/web/twitter_api/util_controller_test.exs
index 5d60c0d51..56633ffce 100644
--- a/test/web/twitter_api/util_controller_test.exs
+++ b/test/web/twitter_api/util_controller_test.exs
@@ -19,7 +19,6 @@ defmodule Pleroma.Web.TwitterAPI.UtilControllerTest do
 
   clear_config([:instance])
   clear_config([:frontend_configurations, :pleroma_fe])
-  clear_config([:user, :deny_follow_blocked])
 
   describe "POST /api/pleroma/follow_import" do
     setup do: oauth_access(["follow"])