Merge remote-tracking branch 'upstream/develop' into earmark

15 files changed, 368 insertions, 85 deletions

diff --git a/test/support/api_spec_helpers.ex b/test/support/api_spec_helpers.ex
index 46388f92c..36d6a8b81 100644
--- a/test/support/api_spec_helpers.ex
+++ b/test/support/api_spec_helpers.ex
@@ -1,5 +1,5 @@
 # Pleroma: A lightweight social networking server
-# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Tests.ApiSpecHelpers do
diff --git a/test/support/builders/user_builder.ex b/test/support/builders/user_builder.ex
index 0c687c029..6bccbb35a 100644
--- a/test/support/builders/user_builder.ex
+++ b/test/support/builders/user_builder.ex
@@ -7,7 +7,7 @@ defmodule Pleroma.Builders.UserBuilder do
       email: "test@example.org",
       name: "Test Name",
       nickname: "testname",
-      password_hash: Pbkdf2.hash_pwd_salt("test"),
+      password_hash: Pleroma.Password.Pbkdf2.hash_pwd_salt("test"),
       bio: "A tester.",
       ap_id: "some id",
       last_digest_emailed_at: NaiveDateTime.truncate(NaiveDateTime.utc_now(), :second),
diff --git a/test/support/cachex_proxy.ex b/test/support/cachex_proxy.ex
new file mode 100644
index 000000000..de1f1c766
--- /dev/null
+++ b/test/support/cachex_proxy.ex
@@ -0,0 +1,40 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.CachexProxy do
+  @behaviour Pleroma.Caching
+
+  @impl true
+  defdelegate get!(cache, key), to: Cachex
+
+  @impl true
+  defdelegate stream!(cache, key), to: Cachex
+
+  @impl true
+  defdelegate put(cache, key, value, options), to: Cachex
+
+  @impl true
+  defdelegate put(cache, key, value), to: Cachex
+
+  @impl true
+  defdelegate get_and_update(cache, key, func), to: Cachex
+
+  @impl true
+  defdelegate get(cache, key), to: Cachex
+
+  @impl true
+  defdelegate fetch!(cache, key, func), to: Cachex
+
+  @impl true
+  defdelegate expire_at(cache, str, num), to: Cachex
+
+  @impl true
+  defdelegate exists?(cache, key), to: Cachex
+
+  @impl true
+  defdelegate del(cache, key), to: Cachex
+
+  @impl true
+  defdelegate execute!(cache, func), to: Cachex
+end
diff --git a/test/support/captcha/mock.ex b/test/support/captcha/mock.ex
index 2ed2ba3b4..175ade131 100644
--- a/test/support/captcha/mock.ex
+++ b/test/support/captcha/mock.ex
@@ -1,5 +1,5 @@
 # Pleroma: A lightweight social networking server
-# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Captcha.Mock do
diff --git a/test/support/channel_case.ex b/test/support/channel_case.ex
index 114184a9f..1fbf6f100 100644
--- a/test/support/channel_case.ex
+++ b/test/support/channel_case.ex
@@ -1,5 +1,5 @@
 # Pleroma: A lightweight social networking server
-# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Web.ChannelCase do
@@ -30,13 +30,5 @@ defmodule Pleroma.Web.ChannelCase do
     end
   end
 
-  setup tags do
-    :ok = Ecto.Adapters.SQL.Sandbox.checkout(Pleroma.Repo)
-
-    unless tags[:async] do
-      Ecto.Adapters.SQL.Sandbox.mode(Pleroma.Repo, {:shared, self()})
-    end
-
-    :ok
-  end
+  setup tags, do: Pleroma.DataCase.setup_multi_process_mode(tags)
 end
diff --git a/test/support/conn_case.ex b/test/support/conn_case.ex
index 47cb65a80..deee98599 100644
--- a/test/support/conn_case.ex
+++ b/test/support/conn_case.ex
@@ -1,5 +1,5 @@
 # Pleroma: A lightweight social networking server
-# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Web.ConnCase do
@@ -19,6 +19,8 @@ defmodule Pleroma.Web.ConnCase do
 
   use ExUnit.CaseTemplate
 
+  alias Pleroma.DataCase
+
   using do
     quote do
       # Import conveniences for testing with connections
@@ -65,13 +67,11 @@ defmodule Pleroma.Web.ConnCase do
       end
 
       defp json_response_and_validate_schema(
-             %{
-               private: %{
-                 open_api_spex: %{operation_id: op_id, operation_lookup: lookup, spec: spec}
-               }
-             } = conn,
+             %{private: %{operation_id: op_id}} = conn,
              status
            ) do
+        {spec, lookup} = OpenApiSpex.Plug.PutApiSpec.get_spec_and_operation_lookup(conn)
+
         content_type =
           conn
           |> Plug.Conn.get_resp_header("content-type")
@@ -116,21 +116,11 @@ defmodule Pleroma.Web.ConnCase do
   end
 
   setup tags do
-    Cachex.clear(:user_cache)
-    Cachex.clear(:object_cache)
-    :ok = Ecto.Adapters.SQL.Sandbox.checkout(Pleroma.Repo)
+    DataCase.setup_multi_process_mode(tags)
+    DataCase.setup_streamer(tags)
+    DataCase.stub_pipeline()
 
-    unless tags[:async] do
-      Ecto.Adapters.SQL.Sandbox.mode(Pleroma.Repo, {:shared, self()})
-    end
-
-    if tags[:needs_streamer] do
-      start_supervised(%{
-        id: Pleroma.Web.Streamer.registry(),
-        start:
-          {Registry, :start_link, [[keys: :duplicate, name: Pleroma.Web.Streamer.registry()]]}
-      })
-    end
+    Mox.verify_on_exit!()
 
     {:ok, conn: Phoenix.ConnTest.build_conn()}
   end
diff --git a/test/support/data_case.ex b/test/support/data_case.ex
index d5456521c..0ee2aa4a2 100644
--- a/test/support/data_case.ex
+++ b/test/support/data_case.ex
@@ -1,5 +1,5 @@
 # Pleroma: A lightweight social networking server
-# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.DataCase do
@@ -18,6 +18,8 @@ defmodule Pleroma.DataCase do
 
   use ExUnit.CaseTemplate
 
+  import Pleroma.Tests.Helpers, only: [clear_config: 2]
+
   using do
     quote do
       alias Pleroma.Repo
@@ -45,15 +47,41 @@ defmodule Pleroma.DataCase do
     end
   end
 
-  setup tags do
-    Cachex.clear(:user_cache)
-    Cachex.clear(:object_cache)
+  def clear_cachex do
+    Pleroma.Supervisor
+    |> Supervisor.which_children()
+    |> Enum.each(fn
+      {name, _, _, [Cachex]} ->
+        name
+        |> to_string
+        |> String.trim_leading("cachex_")
+        |> Kernel.<>("_cache")
+        |> String.to_existing_atom()
+        |> Cachex.clear()
+
+      _ ->
+        nil
+    end)
+  end
+
+  def setup_multi_process_mode(tags) do
     :ok = Ecto.Adapters.SQL.Sandbox.checkout(Pleroma.Repo)
 
-    unless tags[:async] do
+    if tags[:async] do
+      Mox.stub_with(Pleroma.CachexMock, Pleroma.NullCache)
+      Mox.set_mox_private()
+    else
       Ecto.Adapters.SQL.Sandbox.mode(Pleroma.Repo, {:shared, self()})
+
+      Mox.set_mox_global()
+      Mox.stub_with(Pleroma.CachexMock, Pleroma.CachexProxy)
+      clear_cachex()
     end
 
+    :ok
+  end
+
+  def setup_streamer(tags) do
     if tags[:needs_streamer] do
       start_supervised(%{
         id: Pleroma.Web.Streamer.registry(),
@@ -65,18 +93,35 @@ defmodule Pleroma.DataCase do
     :ok
   end
 
-  def ensure_local_uploader(context) do
-    test_uploader = Map.get(context, :uploader, Pleroma.Uploaders.Local)
-    uploader = Pleroma.Config.get([Pleroma.Upload, :uploader])
-    filters = Pleroma.Config.get([Pleroma.Upload, :filters])
+  setup tags do
+    setup_multi_process_mode(tags)
+    setup_streamer(tags)
+    stub_pipeline()
 
-    Pleroma.Config.put([Pleroma.Upload, :uploader], test_uploader)
-    Pleroma.Config.put([Pleroma.Upload, :filters], [])
+    Mox.verify_on_exit!()
 
-    on_exit(fn ->
-      Pleroma.Config.put([Pleroma.Upload, :uploader], uploader)
-      Pleroma.Config.put([Pleroma.Upload, :filters], filters)
-    end)
+    :ok
+  end
+
+  def stub_pipeline do
+    Mox.stub_with(Pleroma.Web.ActivityPub.SideEffectsMock, Pleroma.Web.ActivityPub.SideEffects)
+
+    Mox.stub_with(
+      Pleroma.Web.ActivityPub.ObjectValidatorMock,
+      Pleroma.Web.ActivityPub.ObjectValidator
+    )
+
+    Mox.stub_with(Pleroma.Web.ActivityPub.MRFMock, Pleroma.Web.ActivityPub.MRF)
+    Mox.stub_with(Pleroma.Web.ActivityPub.ActivityPubMock, Pleroma.Web.ActivityPub.ActivityPub)
+    Mox.stub_with(Pleroma.Web.FederatorMock, Pleroma.Web.Federator)
+    Mox.stub_with(Pleroma.ConfigMock, Pleroma.Config)
+  end
+
+  def ensure_local_uploader(context) do
+    test_uploader = Map.get(context, :uploader) || Pleroma.Uploaders.Local
+
+    clear_config([Pleroma.Upload, :uploader], test_uploader)
+    clear_config([Pleroma.Upload, :filters], [])
 
     :ok
   end
diff --git a/test/support/factory.ex b/test/support/factory.ex
index 8eb07dc3c..5c4e65c81 100644
--- a/test/support/factory.ex
+++ b/test/support/factory.ex
@@ -1,9 +1,12 @@
 # Pleroma: A lightweight social networking server
-# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Factory do
   use ExMachina.Ecto, repo: Pleroma.Repo
+
+  require Pleroma.Constants
+
   alias Pleroma.Object
   alias Pleroma.User
 
@@ -29,7 +32,7 @@ defmodule Pleroma.Factory do
       name: sequence(:name, &"Test テスト User #{&1}"),
       email: sequence(:email, &"user#{&1}@example.com"),
       nickname: sequence(:nickname, &"nick#{&1}"),
-      password_hash: Pbkdf2.hash_pwd_salt("test"),
+      password_hash: Pleroma.Password.Pbkdf2.hash_pwd_salt("test"),
       bio: sequence(:bio, &"Tester Number #{&1}"),
       is_discoverable: true,
       last_digest_emailed_at: NaiveDateTime.utc_now(),
@@ -41,23 +44,27 @@ defmodule Pleroma.Factory do
 
     urls =
       if attrs[:local] == false do
-        base_domain = Enum.random(["domain1.com", "domain2.com", "domain3.com"])
+        base_domain = attrs[:domain] || Enum.random(["domain1.com", "domain2.com", "domain3.com"])
 
         ap_id = "https://#{base_domain}/users/#{user.nickname}"
 
         %{
           ap_id: ap_id,
           follower_address: ap_id <> "/followers",
-          following_address: ap_id <> "/following"
+          following_address: ap_id <> "/following",
+          featured_address: ap_id <> "/collections/featured"
         }
       else
         %{
           ap_id: User.ap_id(user),
           follower_address: User.ap_followers(user),
-          following_address: User.ap_following(user)
+          following_address: User.ap_following(user),
+          featured_address: User.ap_featured_collection(user)
         }
       end
 
+    attrs = Map.delete(attrs, :domain)
+
     user
     |> Map.put(:raw_bio, user.bio)
     |> Map.merge(urls)
@@ -104,6 +111,37 @@ defmodule Pleroma.Factory do
     }
   end
 
+  def attachment_note_factory(attrs \\ %{}) do
+    user = attrs[:user] || insert(:user)
+    {length, attrs} = Map.pop(attrs, :length, 1)
+
+    data = %{
+      "attachment" =>
+        Stream.repeatedly(fn -> attachment_data(user.ap_id, attrs[:href]) end)
+        |> Enum.take(length)
+    }
+
+    build(:note, Map.put(attrs, :data, data))
+  end
+
+  defp attachment_data(ap_id, href) do
+    href = href || sequence(:href, &"#{Pleroma.Web.Endpoint.url()}/media/#{&1}.jpg")
+
+    %{
+      "url" => [
+        %{
+          "href" => href,
+          "type" => "Link",
+          "mediaType" => "image/jpeg"
+        }
+      ],
+      "name" => "some name",
+      "type" => "Document",
+      "actor" => ap_id,
+      "mediaType" => "image/jpeg"
+    }
+  end
+
   def audio_factory(attrs \\ %{}) do
     text = sequence(:text, &"lain radio episode #{&1}")
 
@@ -190,6 +228,45 @@ defmodule Pleroma.Factory do
     }
   end
 
+  def add_activity_factory(attrs \\ %{}) do
+    featured_collection_activity(attrs, "Add")
+  end
+
+  def remove_activity_factor(attrs \\ %{}) do
+    featured_collection_activity(attrs, "Remove")
+  end
+
+  defp featured_collection_activity(attrs, type) do
+    user = attrs[:user] || insert(:user)
+    note = attrs[:note] || insert(:note, user: user)
+
+    data_attrs =
+      attrs
+      |> Map.get(:data_attrs, %{})
+      |> Map.put(:type, type)
+
+    attrs = Map.drop(attrs, [:user, :note, :data_attrs])
+
+    data =
+      %{
+        "id" => Pleroma.Web.ActivityPub.Utils.generate_activity_id(),
+        "target" => user.featured_address,
+        "object" => note.data["object"],
+        "actor" => note.data["actor"],
+        "type" => "Add",
+        "to" => [Pleroma.Constants.as_public()],
+        "cc" => [user.follower_address]
+      }
+      |> Map.merge(data_attrs)
+
+    %Pleroma.Activity{
+      data: data,
+      actor: data["actor"],
+      recipients: data["to"]
+    }
+    |> Map.merge(attrs)
+  end
+
   def note_activity_factory(attrs \\ %{}) do
     user = attrs[:user] || insert(:user)
     note = attrs[:note] || insert(:note, user: user)
@@ -259,7 +336,7 @@ defmodule Pleroma.Factory do
 
   def like_activity_factory(attrs \\ %{}) do
     note_activity = attrs[:note_activity] || insert(:note_activity)
-    object = Object.normalize(note_activity)
+    object = Object.normalize(note_activity, fetch: false)
     user = insert(:user)
 
     data =
@@ -455,7 +532,8 @@ defmodule Pleroma.Factory do
     %Pleroma.Filter{
       user: build(:user),
       filter_id: sequence(:filter_id, & &1),
-      phrase: "cofe"
+      phrase: "cofe",
+      context: ["home"]
     }
   end
 end
diff --git a/test/support/helpers.ex b/test/support/helpers.ex
index 224034521..856a6a376 100644
--- a/test/support/helpers.ex
+++ b/test/support/helpers.ex
@@ -1,5 +1,5 @@
 # Pleroma: A lightweight social networking server
-# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Tests.Helpers do
@@ -8,6 +8,8 @@ defmodule Pleroma.Tests.Helpers do
   """
   alias Pleroma.Config
 
+  require Logger
+
   defmacro clear_config(config_path) do
     quote do
       clear_config(unquote(config_path)) do
@@ -18,6 +20,7 @@ defmodule Pleroma.Tests.Helpers do
   defmacro clear_config(config_path, do: yield) do
     quote do
       initial_setting = Config.fetch(unquote(config_path))
+
       unquote(yield)
 
       on_exit(fn ->
@@ -35,6 +38,15 @@ defmodule Pleroma.Tests.Helpers do
   end
 
   defmacro clear_config(config_path, temp_setting) do
+    # NOTE: `clear_config([section, key], value)` != `clear_config([section], key: value)` (!)
+    # Displaying a warning to prevent unintentional clearing of all but one keys in section
+    if Keyword.keyword?(temp_setting) and length(temp_setting) == 1 do
+      Logger.warn(
+        "Please change to `clear_config([section]); clear_config([section, key], value)`: " <>
+          "#{inspect(config_path)}, #{inspect(temp_setting)}"
+      )
+    end
+
     quote do
       clear_config(unquote(config_path)) do
         Config.put(unquote(config_path), unquote(temp_setting))
@@ -55,6 +67,14 @@ defmodule Pleroma.Tests.Helpers do
           clear_config: 2
         ]
 
+      def time_travel(entity, seconds) do
+        new_time = NaiveDateTime.add(entity.inserted_at, seconds)
+
+        entity
+        |> Ecto.Changeset.change(%{inserted_at: new_time, updated_at: new_time})
+        |> Pleroma.Repo.update()
+      end
+
       def to_datetime(%NaiveDateTime{} = naive_datetime) do
         naive_datetime
         |> DateTime.from_naive!("Etc/UTC")
diff --git a/test/support/http_request_mock.ex b/test/support/http_request_mock.ex
index 93464ebff..8807c2d14 100644
--- a/test/support/http_request_mock.ex
+++ b/test/support/http_request_mock.ex
@@ -1,5 +1,5 @@
 # Pleroma: A lightweight social networking server
-# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule HttpRequestMock do
@@ -89,6 +89,18 @@ defmodule HttpRequestMock do
      }}
   end
 
+  def get("https://mastodon.sdf.org/users/rinpatch/collections/featured", _, _, _) do
+    {:ok,
+     %Tesla.Env{
+       status: 200,
+       body:
+         File.read!("test/fixtures/users_mock/masto_featured.json")
+         |> String.replace("{{domain}}", "mastodon.sdf.org")
+         |> String.replace("{{nickname}}", "rinpatch"),
+       headers: [{"content-type", "application/activity+json"}]
+     }}
+  end
+
   def get("https://patch.cx/objects/tesla_mock/poll_attachment", _, _, _) do
     {:ok,
      %Tesla.Env{
@@ -122,7 +134,7 @@ defmodule HttpRequestMock do
      %Tesla.Env{
        status: 200,
        body: File.read!("test/fixtures/tesla_mock/mike@osada.macgirvin.com.json"),
-       headers: activitypub_object_headers()
+       headers: [{"content-type", "application/jrd+json"}]
      }}
   end
 
@@ -187,7 +199,8 @@ defmodule HttpRequestMock do
     {:ok,
      %Tesla.Env{
        status: 200,
-       body: File.read!("test/fixtures/tesla_mock/lain_squeet.me_webfinger.xml")
+       body: File.read!("test/fixtures/tesla_mock/lain_squeet.me_webfinger.xml"),
+       headers: [{"content-type", "application/xrd+xml"}]
      }}
   end
 
@@ -275,6 +288,15 @@ defmodule HttpRequestMock do
      }}
   end
 
+  def get("https://peertube.stream/accounts/createurs", _, _, _) do
+    {:ok,
+     %Tesla.Env{
+       status: 200,
+       body: File.read!("test/fixtures/peertube/actor-person.json"),
+       headers: activitypub_object_headers()
+     }}
+  end
+
   def get("https://peertube.moe/videos/watch/df5f464b-be8d-46fb-ad81-2d4c2d1630e3", _, _, _) do
     {:ok,
      %Tesla.Env{
@@ -517,22 +539,6 @@ defmodule HttpRequestMock do
      }}
   end
 
-  def get("http://zetsubou.xn--q9jyb4c/.well-known/host-meta", _, _, _) do
-    {:ok,
-     %Tesla.Env{
-       status: 200,
-       body: File.read!("test/fixtures/tesla_mock/xn--q9jyb4c_host_meta")
-     }}
-  end
-
-  def get("https://zetsubou.xn--q9jyb4c/.well-known/host-meta", _, _, _) do
-    {:ok,
-     %Tesla.Env{
-       status: 200,
-       body: File.read!("test/fixtures/tesla_mock/xn--q9jyb4c_host_meta")
-     }}
-  end
-
   def get("http://pleroma.soykaf.com/.well-known/host-meta", _, _, _) do
     {:ok,
      %Tesla.Env{
@@ -777,7 +783,8 @@ defmodule HttpRequestMock do
     {:ok,
      %Tesla.Env{
        status: 200,
-       body: File.read!("test/fixtures/tesla_mock/shp@social.heldscal.la.xml")
+       body: File.read!("test/fixtures/tesla_mock/shp@social.heldscal.la.xml"),
+       headers: [{"content-type", "application/xrd+xml"}]
      }}
   end
 
@@ -787,7 +794,7 @@ defmodule HttpRequestMock do
         _,
         [{"accept", "application/xrd+xml,application/jrd+json"}]
       ) do
-    {:ok, %Tesla.Env{status: 200, body: ""}}
+    {:ok, %Tesla.Env{status: 200, body: "", headers: [{"content-type", "application/jrd+json"}]}}
   end
 
   def get("http://framatube.org/.well-known/host-meta", _, _, _) do
@@ -807,7 +814,7 @@ defmodule HttpRequestMock do
     {:ok,
      %Tesla.Env{
        status: 200,
-       headers: [{"content-type", "application/json"}],
+       headers: [{"content-type", "application/jrd+json"}],
        body: File.read!("test/fixtures/tesla_mock/framasoft@framatube.org.json")
      }}
   end
@@ -867,7 +874,7 @@ defmodule HttpRequestMock do
     {:ok,
      %Tesla.Env{
        status: 200,
-       headers: [{"content-type", "application/json"}],
+       headers: [{"content-type", "application/jrd+json"}],
        body: File.read!("test/fixtures/tesla_mock/kaniini@gerzilla.de.json")
      }}
   end
@@ -910,6 +917,18 @@ defmodule HttpRequestMock do
      }}
   end
 
+  def get("https://mastodon.social/users/lambadalambda/collections/featured", _, _, _) do
+    {:ok,
+     %Tesla.Env{
+       status: 200,
+       body:
+         File.read!("test/fixtures/users_mock/masto_featured.json")
+         |> String.replace("{{domain}}", "mastodon.social")
+         |> String.replace("{{nickname}}", "lambadalambda"),
+       headers: activitypub_object_headers()
+     }}
+  end
+
   def get("https://apfed.club/channel/indio", _, _, _) do
     {:ok,
      %Tesla.Env{
@@ -1065,7 +1084,8 @@ defmodule HttpRequestMock do
     {:ok,
      %Tesla.Env{
        status: 200,
-       body: File.read!("test/fixtures/lain.xml")
+       body: File.read!("test/fixtures/lain.xml"),
+       headers: [{"content-type", "application/xrd+xml"}]
      }}
   end
 
@@ -1078,7 +1098,16 @@ defmodule HttpRequestMock do
     {:ok,
      %Tesla.Env{
        status: 200,
-       body: File.read!("test/fixtures/lain.xml")
+       body: File.read!("test/fixtures/lain.xml"),
+       headers: [{"content-type", "application/xrd+xml"}]
+     }}
+  end
+
+  def get("http://zetsubou.xn--q9jyb4c/.well-known/host-meta", _, _, _) do
+    {:ok,
+     %Tesla.Env{
+       status: 200,
+       body: File.read!("test/fixtures/host-meta-zetsubou.xn--q9jyb4c.xml")
      }}
   end
 
@@ -1144,7 +1173,8 @@ defmodule HttpRequestMock do
     {:ok,
      %Tesla.Env{
        status: 200,
-       body: File.read!("test/fixtures/tesla_mock/kpherox@mstdn.jp.xml")
+       body: File.read!("test/fixtures/tesla_mock/kpherox@mstdn.jp.xml"),
+       headers: [{"content-type", "application/xrd+xml"}]
      }}
   end
 
@@ -1272,6 +1302,15 @@ defmodule HttpRequestMock do
      }}
   end
 
+  def get("https://patch.cx/objects/a399c28e-c821-4820-bc3e-4afeb044c16f", _, _, _) do
+    {:ok,
+     %Tesla.Env{
+       status: 200,
+       body: File.read!("test/fixtures/tesla_mock/emoji-in-summary.json"),
+       headers: activitypub_object_headers()
+     }}
+  end
+
   def get(url, query, body, headers) do
     {:error,
      "Mock response not implemented for GET #{inspect(url)}, #{query}, #{inspect(body)}, #{
diff --git a/test/support/mocks.ex b/test/support/mocks.ex
new file mode 100644
index 000000000..fd8f825b3
--- /dev/null
+++ b/test/support/mocks.ex
@@ -0,0 +1,30 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+Mox.defmock(Pleroma.CachexMock, for: Pleroma.Caching)
+
+Mox.defmock(Pleroma.Web.ActivityPub.ObjectValidatorMock,
+  for: Pleroma.Web.ActivityPub.ObjectValidator.Validating
+)
+
+Mox.defmock(Pleroma.Web.ActivityPub.MRFMock,
+  for: Pleroma.Web.ActivityPub.MRF.PipelineFiltering
+)
+
+Mox.defmock(Pleroma.Web.ActivityPub.ActivityPubMock,
+  for: [
+    Pleroma.Web.ActivityPub.ActivityPub.Persisting,
+    Pleroma.Web.ActivityPub.ActivityPub.Streaming
+  ]
+)
+
+Mox.defmock(Pleroma.Web.ActivityPub.SideEffectsMock,
+  for: Pleroma.Web.ActivityPub.SideEffects.Handling
+)
+
+Mox.defmock(Pleroma.Web.FederatorMock, for: Pleroma.Web.Federator.Publishing)
+
+Mox.defmock(Pleroma.ConfigMock, for: Pleroma.Config.Getting)
+
+Mox.defmock(Pleroma.LoggerMock, for: Pleroma.Logging)
diff --git a/test/support/mrf_module_mock.ex b/test/support/mrf_module_mock.ex
index 028ea542a..4dfdeb3b4 100644
--- a/test/support/mrf_module_mock.ex
+++ b/test/support/mrf_module_mock.ex
@@ -1,5 +1,5 @@
 # Pleroma: A lightweight social networking server
-# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule MRFModuleMock do
diff --git a/test/support/null_cache.ex b/test/support/null_cache.ex
new file mode 100644
index 000000000..47c10ebb6
--- /dev/null
+++ b/test/support/null_cache.ex
@@ -0,0 +1,49 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.NullCache do
+  @moduledoc """
+  A module simulating a permanently empty cache.
+  """
+  @behaviour Pleroma.Caching
+
+  @impl true
+  def get!(_, _), do: nil
+
+  @impl true
+  def put(_, _, _, _ \\ nil), do: {:ok, true}
+
+  @impl true
+  def stream!(_, _), do: []
+
+  @impl true
+  def get(_, _), do: {:ok, nil}
+
+  @impl true
+  def fetch!(_, key, func) do
+    case func.(key) do
+      {_, res} -> res
+      res -> res
+    end
+  end
+
+  @impl true
+  def get_and_update(_, _, func) do
+    func.(nil)
+  end
+
+  @impl true
+  def expire_at(_, _, _), do: {:ok, true}
+
+  @impl true
+  def exists?(_, _), do: {:ok, false}
+
+  @impl true
+  def execute!(_, func) do
+    func.(:nothing)
+  end
+
+  @impl true
+  def del(_, _), do: {:ok, true}
+end
diff --git a/test/support/oban_helpers.ex b/test/support/oban_helpers.ex
index 2468f66dc..9b6e5256e 100644
--- a/test/support/oban_helpers.ex
+++ b/test/support/oban_helpers.ex
@@ -1,5 +1,5 @@
 # Pleroma: A lightweight social networking server
-# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Tests.ObanHelpers do
diff --git a/test/support/websocket_client.ex b/test/support/websocket_client.ex
index 8c9d4b2b4..34b955474 100644
--- a/test/support/websocket_client.ex
+++ b/test/support/websocket_client.ex
@@ -1,5 +1,5 @@
 # Pleroma: A lightweight social networking server
-# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Integration.WebsocketClient do