Merge branch 'rich-media-tests' into 'develop'

Pleroma.Web.RichMedia.Parser: Remove test-specific codepaths

See merge request pleroma/pleroma!4053

12 files changed, 191 insertions, 199 deletions

diff --git a/changelog.d/rich_media_tests.skip b/changelog.d/rich_media_tests.skip
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/changelog.d/rich_media_tests.skip
diff --git a/lib/pleroma/caching.ex b/lib/pleroma/caching.ex
index eb0588708..796a465af 100644
--- a/lib/pleroma/caching.ex
+++ b/lib/pleroma/caching.ex
@@ -8,10 +8,13 @@ defmodule Pleroma.Caching do
   @callback put(Cachex.cache(), any(), any(), Keyword.t()) :: {Cachex.status(), boolean()}
   @callback put(Cachex.cache(), any(), any()) :: {Cachex.status(), boolean()}
   @callback fetch!(Cachex.cache(), any(), function() | nil) :: any()
+  @callback fetch(Cachex.cache(), any(), function() | nil) ::
+              {atom(), any()} | {atom(), any(), any()}
   # @callback del(Cachex.cache(), any(), Keyword.t()) :: {Cachex.status(), boolean()}
   @callback del(Cachex.cache(), any()) :: {Cachex.status(), boolean()}
   @callback stream!(Cachex.cache(), any()) :: Enumerable.t()
   @callback expire_at(Cachex.cache(), binary(), number()) :: {Cachex.status(), boolean()}
+  @callback expire(Cachex.cache(), binary(), number()) :: {Cachex.status(), boolean()}
   @callback exists?(Cachex.cache(), any()) :: {Cachex.status(), boolean()}
   @callback execute!(Cachex.cache(), function()) :: any()
   @callback get_and_update(Cachex.cache(), any(), function()) ::
diff --git a/lib/pleroma/web/rich_media/helpers.ex b/lib/pleroma/web/rich_media/helpers.ex
index 1501776d9..a711dc436 100644
--- a/lib/pleroma/web/rich_media/helpers.ex
+++ b/lib/pleroma/web/rich_media/helpers.ex
@@ -18,53 +18,10 @@ defmodule Pleroma.Web.RichMedia.Helpers do
     recv_timeout: 2_000
   ]
 
-  @spec validate_page_url(URI.t() | binary()) :: :ok | :error
-  defp validate_page_url(page_url) when is_binary(page_url) do
-    validate_tld = @config_impl.get([Pleroma.Formatter, :validate_tld])
-
-    page_url
-    |> Linkify.Parser.url?(validate_tld: validate_tld)
-    |> parse_uri(page_url)
-  end
-
-  defp validate_page_url(%URI{host: host, scheme: "https"}) do
-    cond do
-      Linkify.Parser.ip?(host) ->
-        :error
-
-      host in @config_impl.get([:rich_media, :ignore_hosts], []) ->
-        :error
-
-      get_tld(host) in @config_impl.get([:rich_media, :ignore_tld], []) ->
-        :error
-
-      true ->
-        :ok
-    end
-  end
-
-  defp validate_page_url(_), do: :error
-
-  defp parse_uri(true, url) do
-    url
-    |> URI.parse()
-    |> validate_page_url
-  end
-
-  defp parse_uri(_, _), do: :error
-
-  defp get_tld(host) do
-    host
-    |> String.split(".")
-    |> Enum.reverse()
-    |> hd
-  end
-
   def fetch_data_for_object(object) do
     with true <- @config_impl.get([:rich_media, :enabled]),
          {:ok, page_url} <-
            HTML.extract_first_external_url_from_object(object),
-         :ok <- validate_page_url(page_url),
          {:ok, rich_media} <- Parser.parse(page_url) do
       %{page_url: page_url, rich_media: rich_media}
     else
diff --git a/lib/pleroma/web/rich_media/parser.ex b/lib/pleroma/web/rich_media/parser.ex
index 837182d8a..a73fbc4b9 100644
--- a/lib/pleroma/web/rich_media/parser.ex
+++ b/lib/pleroma/web/rich_media/parser.ex
@@ -6,6 +6,7 @@ defmodule Pleroma.Web.RichMedia.Parser do
   require Logger
 
   @cachex Pleroma.Config.get([:cachex, :provider], Cachex)
+  @config_impl Application.compile_env(:pleroma, [__MODULE__, :config_impl], Pleroma.Config)
 
   defp parsers do
     Pleroma.Config.get([:rich_media, :parsers])
@@ -13,70 +14,66 @@ defmodule Pleroma.Web.RichMedia.Parser do
 
   def parse(nil), do: {:error, "No URL provided"}
 
-  if Pleroma.Config.get(:env) == :test do
-    @spec parse(String.t()) :: {:ok, map()} | {:error, any()}
-    def parse(url), do: parse_url(url)
-  else
-    @spec parse(String.t()) :: {:ok, map()} | {:error, any()}
-    def parse(url) do
-      with {:ok, data} <- get_cached_or_parse(url),
-           {:ok, _} <- set_ttl_based_on_image(data, url) do
-        {:ok, data}
-      end
+  @spec parse(String.t()) :: {:ok, map()} | {:error, any()}
+  def parse(url) do
+    with :ok <- validate_page_url(url),
+         {:ok, data} <- get_cached_or_parse(url),
+         {:ok, _} <- set_ttl_based_on_image(data, url) do
+      {:ok, data}
     end
+  end
 
-    defp get_cached_or_parse(url) do
-      case @cachex.fetch(:rich_media_cache, url, fn ->
-             case parse_url(url) do
-               {:ok, _} = res ->
-                 {:commit, res}
-
-               {:error, reason} = e ->
-                 # Unfortunately we have to log errors here, instead of doing that
-                 # along with ttl setting at the bottom. Otherwise we can get log spam
-                 # if more than one process was waiting for the rich media card
-                 # while it was generated. Ideally we would set ttl here as well,
-                 # so we don't override it number_of_waiters_on_generation
-                 # times, but one, obviously, can't set ttl for not-yet-created entry
-                 # and Cachex doesn't support returning ttl from the fetch callback.
-                 log_error(url, reason)
-                 {:commit, e}
-             end
-           end) do
-        {action, res} when action in [:commit, :ok] ->
-          case res do
-            {:ok, _data} = res ->
-              res
-
-            {:error, reason} = e ->
-              if action == :commit, do: set_error_ttl(url, reason)
-              e
-          end
-
-        {:error, e} ->
-          {:error, {:cachex_error, e}}
-      end
+  defp get_cached_or_parse(url) do
+    case @cachex.fetch(:rich_media_cache, url, fn ->
+           case parse_url(url) do
+             {:ok, _} = res ->
+               {:commit, res}
+
+             {:error, reason} = e ->
+               # Unfortunately we have to log errors here, instead of doing that
+               # along with ttl setting at the bottom. Otherwise we can get log spam
+               # if more than one process was waiting for the rich media card
+               # while it was generated. Ideally we would set ttl here as well,
+               # so we don't override it number_of_waiters_on_generation
+               # times, but one, obviously, can't set ttl for not-yet-created entry
+               # and Cachex doesn't support returning ttl from the fetch callback.
+               log_error(url, reason)
+               {:commit, e}
+           end
+         end) do
+      {action, res} when action in [:commit, :ok] ->
+        case res do
+          {:ok, _data} = res ->
+            res
+
+          {:error, reason} = e ->
+            if action == :commit, do: set_error_ttl(url, reason)
+            e
+        end
+
+      {:error, e} ->
+        {:error, {:cachex_error, e}}
     end
+  end
 
-    defp set_error_ttl(_url, :body_too_large), do: :ok
-    defp set_error_ttl(_url, {:content_type, _}), do: :ok
+  defp set_error_ttl(_url, :body_too_large), do: :ok
+  defp set_error_ttl(_url, {:content_type, _}), do: :ok
 
-    # The TTL is not set for the errors above, since they are unlikely to change
-    # with time
+  # The TTL is not set for the errors above, since they are unlikely to change
+  # with time
 
-    defp set_error_ttl(url, _reason) do
-      ttl = Pleroma.Config.get([:rich_media, :failure_backoff], 60_000)
-      @cachex.expire(:rich_media_cache, url, ttl)
-      :ok
-    end
+  defp set_error_ttl(url, _reason) do
+    ttl = Pleroma.Config.get([:rich_media, :failure_backoff], 60_000)
+    @cachex.expire(:rich_media_cache, url, ttl)
+    :ok
+  end
 
-    defp log_error(url, {:invalid_metadata, data}) do
-      Logger.debug(fn -> "Incomplete or invalid metadata for #{url}: #{inspect(data)}" end)
-    end
+  defp log_error(url, {:invalid_metadata, data}) do
+    Logger.debug(fn -> "Incomplete or invalid metadata for #{url}: #{inspect(data)}" end)
+  end
 
-    defp log_error(url, reason) do
-      Logger.warning(fn -> "Rich media error for #{url}: #{inspect(reason)}" end)
-    end
+  defp log_error(url, reason) do
+    Logger.warning(fn -> "Rich media error for #{url}: #{inspect(reason)}" end)
   end
 
   @doc """
@@ -166,4 +163,46 @@ defmodule Pleroma.Web.RichMedia.Parser do
     end)
     |> Map.new()
   end
+
+  @spec validate_page_url(URI.t() | binary()) :: :ok | :error
+  defp validate_page_url(page_url) when is_binary(page_url) do
+    validate_tld = @config_impl.get([Pleroma.Formatter, :validate_tld])
+
+    page_url
+    |> Linkify.Parser.url?(validate_tld: validate_tld)
+    |> parse_uri(page_url)
+  end
+
+  defp validate_page_url(%URI{host: host, scheme: "https"}) do
+    cond do
+      Linkify.Parser.ip?(host) ->
+        :error
+
+      host in @config_impl.get([:rich_media, :ignore_hosts], []) ->
+        :error
+
+      get_tld(host) in @config_impl.get([:rich_media, :ignore_tld], []) ->
+        :error
+
+      true ->
+        :ok
+    end
+  end
+
+  defp validate_page_url(_), do: :error
+
+  defp parse_uri(true, url) do
+    url
+    |> URI.parse()
+    |> validate_page_url
+  end
+
+  defp parse_uri(_, _), do: :error
+
+  defp get_tld(host) do
+    host
+    |> String.split(".")
+    |> Enum.reverse()
+    |> hd
+  end
 end
diff --git a/test/fixtures/rich_media/oembed.html b/test/fixtures/rich_media/oembed.html
index 55f17004b..5429630d0 100644
--- a/test/fixtures/rich_media/oembed.html
+++ b/test/fixtures/rich_media/oembed.html
@@ -1,3 +1,3 @@
 <link rel="alternate" type="application/json+oembed"
-  href="http://example.com/oembed.json"
+  href="https://example.com/oembed.json"
   title="Bacon Lollys oEmbed Profile" />
diff --git a/test/pleroma/web/mastodon_api/controllers/status_controller_test.exs b/test/pleroma/web/mastodon_api/controllers/status_controller_test.exs
index 7bbe46cbe..f95f15ec3 100644
--- a/test/pleroma/web/mastodon_api/controllers/status_controller_test.exs
+++ b/test/pleroma/web/mastodon_api/controllers/status_controller_test.exs
@@ -336,13 +336,7 @@ defmodule Pleroma.Web.MastodonAPI.StatusControllerTest do
         path -> Pleroma.Test.StaticConfig.get(path)
       end)
 
-      Tesla.Mock.mock(fn
-        %{
-          method: :get,
-          url: "https://example.com/twitter-card"
-        } ->
-          %Tesla.Env{status: 200, body: File.read!("test/fixtures/rich_media/twitter_card.html")}
-
+      Tesla.Mock.mock_global(fn
         env ->
           apply(HttpRequestMock, :request, [env])
       end)
diff --git a/test/pleroma/web/pleroma_api/views/chat_message_reference_view_test.exs b/test/pleroma/web/pleroma_api/views/chat_message_reference_view_test.exs
index 44d40269c..c8b3cb391 100644
--- a/test/pleroma/web/pleroma_api/views/chat_message_reference_view_test.exs
+++ b/test/pleroma/web/pleroma_api/views/chat_message_reference_view_test.exs
@@ -49,6 +49,7 @@ defmodule Pleroma.Web.PleromaAPI.ChatMessageReferenceViewTest do
       :chat_message_id_idempotency_key_cache, ^id -> {:ok, "123"}
       cache, key -> NullCache.get(cache, key)
     end)
+    |> stub(:fetch, fn :rich_media_cache, _, _ -> {:ok, {:ok, %{}}} end)
 
     chat_message = MessageReferenceView.render("show.json", chat_message_reference: cm_ref)
 
diff --git a/test/pleroma/web/rich_media/helpers_test.exs b/test/pleroma/web/rich_media/helpers_test.exs
index bf7372476..13d2341ad 100644
--- a/test/pleroma/web/rich_media/helpers_test.exs
+++ b/test/pleroma/web/rich_media/helpers_test.exs
@@ -3,7 +3,7 @@
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Web.RichMedia.HelpersTest do
-  use Pleroma.DataCase, async: true
+  use Pleroma.DataCase, async: false
 
   alias Pleroma.StaticStubbedConfigMock, as: ConfigMock
   alias Pleroma.Web.CommonAPI
@@ -14,7 +14,7 @@ defmodule Pleroma.Web.RichMedia.HelpersTest do
   import Tesla.Mock
 
   setup do
-    mock(fn env -> apply(HttpRequestMock, :request, [env]) end)
+    mock_global(fn env -> apply(HttpRequestMock, :request, [env]) end)
 
     ConfigMock
     |> stub(:get, fn
diff --git a/test/pleroma/web/rich_media/parser_test.exs b/test/pleroma/web/rich_media/parser_test.exs
index 9064138a6..a05b89a2b 100644
--- a/test/pleroma/web/rich_media/parser_test.exs
+++ b/test/pleroma/web/rich_media/parser_test.exs
@@ -3,95 +3,26 @@
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Web.RichMedia.ParserTest do
-  use ExUnit.Case, async: true
+  use Pleroma.DataCase, async: false
 
   alias Pleroma.Web.RichMedia.Parser
 
-  setup do
-    Tesla.Mock.mock(fn
-      %{
-        method: :get,
-        url: "http://example.com/ogp"
-      } ->
-        %Tesla.Env{status: 200, body: File.read!("test/fixtures/rich_media/ogp.html")}
-
-      %{
-        method: :get,
-        url: "http://example.com/non-ogp"
-      } ->
-        %Tesla.Env{status: 200, body: File.read!("test/fixtures/rich_media/non_ogp_embed.html")}
-
-      %{
-        method: :get,
-        url: "http://example.com/ogp-missing-title"
-      } ->
-        %Tesla.Env{
-          status: 200,
-          body: File.read!("test/fixtures/rich_media/ogp-missing-title.html")
-        }
-
-      %{
-        method: :get,
-        url: "http://example.com/twitter-card"
-      } ->
-        %Tesla.Env{status: 200, body: File.read!("test/fixtures/rich_media/twitter_card.html")}
-
-      %{
-        method: :get,
-        url: "http://example.com/oembed"
-      } ->
-        %Tesla.Env{status: 200, body: File.read!("test/fixtures/rich_media/oembed.html")}
-
-      %{
-        method: :get,
-        url: "http://example.com/oembed.json"
-      } ->
-        %Tesla.Env{status: 200, body: File.read!("test/fixtures/rich_media/oembed.json")}
-
-      %{method: :get, url: "http://example.com/empty"} ->
-        %Tesla.Env{status: 200, body: "hello"}
+  import Tesla.Mock
 
-      %{method: :get, url: "http://example.com/malformed"} ->
-        %Tesla.Env{status: 200, body: File.read!("test/fixtures/rich_media/malformed-data.html")}
-
-      %{method: :get, url: "http://example.com/error"} ->
-        {:error, :overload}
-
-      %{
-        method: :head,
-        url: "http://example.com/huge-page"
-      } ->
-        %Tesla.Env{
-          status: 200,
-          headers: [{"content-length", "2000001"}, {"content-type", "text/html"}]
-        }
-
-      %{
-        method: :head,
-        url: "http://example.com/pdf-file"
-      } ->
-        %Tesla.Env{
-          status: 200,
-          headers: [{"content-length", "1000000"}, {"content-type", "application/pdf"}]
-        }
-
-      %{method: :head} ->
-        %Tesla.Env{status: 404, body: "", headers: []}
-    end)
-
-    :ok
+  setup do
+    mock_global(fn env -> apply(HttpRequestMock, :request, [env]) end)
   end
 
   test "returns error when no metadata present" do
-    assert {:error, _} = Parser.parse("http://example.com/empty")
+    assert {:error, _} = Parser.parse("https://example.com/empty")
   end
 
   test "doesn't just add a title" do
-    assert {:error, {:invalid_metadata, _}} = Parser.parse("http://example.com/non-ogp")
+    assert {:error, {:invalid_metadata, _}} = Parser.parse("https://example.com/non-ogp")
   end
 
   test "parses ogp" do
-    assert Parser.parse("http://example.com/ogp") ==
+    assert Parser.parse("https://example.com/ogp") ==
              {:ok,
               %{
                 "image" => "http://ia.media-imdb.com/images/rock.jpg",
@@ -99,12 +30,12 @@ defmodule Pleroma.Web.RichMedia.ParserTest do
                 "description" =>
                   "Directed by Michael Bay. With Sean Connery, Nicolas Cage, Ed Harris, John Spencer.",
                 "type" => "video.movie",
-                "url" => "http://example.com/ogp"
+                "url" => "https://example.com/ogp"
               }}
   end
 
   test "falls back to <title> when ogp:title is missing" do
-    assert Parser.parse("http://example.com/ogp-missing-title") ==
+    assert Parser.parse("https://example.com/ogp-missing-title") ==
              {:ok,
               %{
                 "image" => "http://ia.media-imdb.com/images/rock.jpg",
@@ -112,12 +43,12 @@ defmodule Pleroma.Web.RichMedia.ParserTest do
                 "description" =>
                   "Directed by Michael Bay. With Sean Connery, Nicolas Cage, Ed Harris, John Spencer.",
                 "type" => "video.movie",
-                "url" => "http://example.com/ogp-missing-title"
+                "url" => "https://example.com/ogp-missing-title"
               }}
   end
 
   test "parses twitter card" do
-    assert Parser.parse("http://example.com/twitter-card") ==
+    assert Parser.parse("https://example.com/twitter-card") ==
              {:ok,
               %{
                 "card" => "summary",
@@ -125,12 +56,12 @@ defmodule Pleroma.Web.RichMedia.ParserTest do
                 "image" => "https://farm6.staticflickr.com/5510/14338202952_93595258ff_z.jpg",
                 "title" => "Small Island Developing States Photo Submission",
                 "description" => "View the album on Flickr.",
-                "url" => "http://example.com/twitter-card"
+                "url" => "https://example.com/twitter-card"
               }}
   end
 
   test "parses OEmbed and filters HTML tags" do
-    assert Parser.parse("http://example.com/oembed") ==
+    assert Parser.parse("https://example.com/oembed") ==
              {:ok,
               %{
                 "author_name" => "\u202E\u202D\u202Cbees\u202C",
@@ -150,7 +81,7 @@ defmodule Pleroma.Web.RichMedia.ParserTest do
                 "thumbnail_width" => 150,
                 "title" => "Bacon Lollys",
                 "type" => "photo",
-                "url" => "http://example.com/oembed",
+                "url" => "https://example.com/oembed",
                 "version" => "1.0",
                 "web_page" => "https://www.flickr.com/photos/bees/2362225867/",
                 "web_page_short_url" => "https://flic.kr/p/4AK2sc",
@@ -159,18 +90,18 @@ defmodule Pleroma.Web.RichMedia.ParserTest do
   end
 
   test "rejects invalid OGP data" do
-    assert {:error, _} = Parser.parse("http://example.com/malformed")
+    assert {:error, _} = Parser.parse("https://example.com/malformed")
   end
 
   test "returns error if getting page was not successful" do
-    assert {:error, :overload} = Parser.parse("http://example.com/error")
+    assert {:error, :overload} = Parser.parse("https://example.com/error")
   end
 
   test "does a HEAD request to check if the body is too large" do
-    assert {:error, :body_too_large} = Parser.parse("http://example.com/huge-page")
+    assert {:error, :body_too_large} = Parser.parse("https://example.com/huge-page")
   end
 
   test "does a HEAD request to check if the body is html" do
-    assert {:error, {:content_type, _}} = Parser.parse("http://example.com/pdf-file")
+    assert {:error, {:content_type, _}} = Parser.parse("https://example.com/pdf-file")
   end
 end
diff --git a/test/support/cachex_proxy.ex b/test/support/cachex_proxy.ex
index 83ae5610f..8f27986a9 100644
--- a/test/support/cachex_proxy.ex
+++ b/test/support/cachex_proxy.ex
@@ -27,9 +27,15 @@ defmodule Pleroma.CachexProxy do
   defdelegate fetch!(cache, key, func), to: Cachex
 
   @impl true
+  defdelegate fetch(cache, key, func), to: Cachex
+
+  @impl true
   defdelegate expire_at(cache, str, num), to: Cachex
 
   @impl true
+  defdelegate expire(cache, str, num), to: Cachex
+
+  @impl true
   defdelegate exists?(cache, key), to: Cachex
 
   @impl true
diff --git a/test/support/http_request_mock.ex b/test/support/http_request_mock.ex
index df3371a75..f4b6f1f9f 100644
--- a/test/support/http_request_mock.ex
+++ b/test/support/http_request_mock.ex
@@ -1059,7 +1059,7 @@ defmodule HttpRequestMock do
      }}
   end
 
-  def get("http://example.com/malformed", _, _, _) do
+  def get("https://example.com/malformed", _, _, _) do
     {:ok,
      %Tesla.Env{status: 200, body: File.read!("test/fixtures/rich_media/malformed-data.html")}}
   end
@@ -1472,6 +1472,37 @@ defmodule HttpRequestMock do
     {:ok, %Tesla.Env{status: 200, body: File.read!("test/fixtures/rich_media/yahoo.html")}}
   end
 
+  def get("https://example.com/error", _, _, _), do: {:error, :overload}
+
+  def get("https://example.com/ogp-missing-title", _, _, _) do
+    {:ok,
+     %Tesla.Env{
+       status: 200,
+       body: File.read!("test/fixtures/rich_media/ogp-missing-title.html")
+     }}
+  end
+
+  def get("https://example.com/oembed", _, _, _) do
+    {:ok, %Tesla.Env{status: 200, body: File.read!("test/fixtures/rich_media/oembed.html")}}
+  end
+
+  def get("https://example.com/oembed.json", _, _, _) do
+    {:ok, %Tesla.Env{status: 200, body: File.read!("test/fixtures/rich_media/oembed.json")}}
+  end
+
+  def get("https://example.com/twitter-card", _, _, _) do
+    {:ok, %Tesla.Env{status: 200, body: File.read!("test/fixtures/rich_media/twitter_card.html")}}
+  end
+
+  def get("https://example.com/non-ogp", _, _, _) do
+    {:ok,
+     %Tesla.Env{status: 200, body: File.read!("test/fixtures/rich_media/non_ogp_embed.html")}}
+  end
+
+  def get("https://example.com/empty", _, _, _) do
+    {:ok, %Tesla.Env{status: 200, body: "hello"}}
+  end
+
   def get(url, query, body, headers) do
     {:error,
      "Mock response not implemented for GET #{inspect(url)}, #{query}, #{inspect(body)}, #{inspect(headers)}"}
@@ -1545,17 +1576,41 @@ defmodule HttpRequestMock do
 
   # Most of the rich media mocks are missing HEAD requests, so we just return 404.
   @rich_media_mocks [
+    "https://example.com/empty",
+    "https://example.com/error",
+    "https://example.com/malformed",
+    "https://example.com/non-ogp",
+    "https://example.com/oembed",
+    "https://example.com/oembed.json",
     "https://example.com/ogp",
     "https://example.com/ogp-missing-data",
+    "https://example.com/ogp-missing-title",
     "https://example.com/twitter-card",
     "https://google.com/",
-    "https://yahoo.com/",
-    "https://pleroma.local/notice/9kCP7V"
+    "https://pleroma.local/notice/9kCP7V",
+    "https://yahoo.com/"
   ]
+
   def head(url, _query, _body, _headers) when url in @rich_media_mocks do
     {:ok, %Tesla.Env{status: 404, body: ""}}
   end
 
+  def head("https://example.com/pdf-file", _, _, _) do
+    {:ok,
+     %Tesla.Env{
+       status: 200,
+       headers: [{"content-length", "1000000"}, {"content-type", "application/pdf"}]
+     }}
+  end
+
+  def head("https://example.com/huge-page", _, _, _) do
+    {:ok,
+     %Tesla.Env{
+       status: 200,
+       headers: [{"content-length", "2000001"}, {"content-type", "text/html"}]
+     }}
+  end
+
   def head(url, query, body, headers) do
     {:error,
      "Mock response not implemented for HEAD #{inspect(url)}, #{query}, #{inspect(body)}, #{inspect(headers)}"}
diff --git a/test/support/null_cache.ex b/test/support/null_cache.ex
index 9f1d45f1d..47c84174e 100644
--- a/test/support/null_cache.ex
+++ b/test/support/null_cache.ex
@@ -29,6 +29,9 @@ defmodule Pleroma.NullCache do
   end
 
   @impl true
+  def fetch(_, key, func), do: func.(key)
+
+  @impl true
   def get_and_update(_, _, func) do
     func.(nil)
   end
@@ -37,6 +40,9 @@ defmodule Pleroma.NullCache do
   def expire_at(_, _, _), do: {:ok, true}
 
   @impl true
+  def expire(_, _, _), do: {:ok, true}
+
+  @impl true
   def exists?(_, _), do: {:ok, false}
 
   @impl true