Add tests

Signed-off-by: marcin mikołajczak <git@mkljczk.pl>

lib/pleroma/translation.ex

@@ -3,7 +3,6 @@
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Translation do
-  @cache_ttl 86_400_000
   @cachex Pleroma.Config.get([:cachex, :provider], Cachex)
 
   def configured? do
@@ -45,7 +44,7 @@ defmodule Pleroma.Translation do
   end
 
   defp store_result({:ok, result}, cache_key) do
-    @cachex.put(:translations_cache, cache_key, result, ttl: @cache_ttl)
+    @cachex.put(:translations_cache, cache_key, result)
   end
 
   defp store_result(_, _), do: nil

lib/pleroma/web/mastodon_api/views/instance_view.ex

@@ -129,7 +129,10 @@ defmodule Pleroma.Web.MastodonAPI.InstanceView do
         "profile_directory"
       end,
       "pleroma:get:main/ostatus",
-      "pleroma:group_actors"
+      "pleroma:group_actors",
+      if Pleroma.Translation.configured?() do
+        "translation"
+      end
     ]
     |> Enum.filter(& &1)
   end
@@ -203,7 +206,7 @@ defmodule Pleroma.Web.MastodonAPI.InstanceView do
       vapid: %{
         public_key: Keyword.get(Pleroma.Web.Push.vapid_config(), :public_key)
       },
-      translation: %{enabled: Pleroma.Translation.configured?}
+      translation: %{enabled: Pleroma.Translation.configured?()}
     })
   end
 

test/pleroma/translation_test.ex

@@ -0,0 +1,29 @@
+defmodule Pleroma.TranslationTest do
+  use Pleroma.Web.ConnCase
+
+  alias Pleroma.Translation
+  # use Oban.Testing, repo: Pleroma.Repo
+
+  setup do: clear_config([Pleroma.Translation, :service], TranslationMock)
+
+  test "it translates text" do
+    assert {:ok,
+            %{
+              content: "txet emos",
+              detected_source_language: _,
+              provider: _
+            }} = Translation.translate("some text", "en", "uk")
+  end
+
+  test "it stores translation result in cache" do
+    Translation.translate("some text", "en", "uk")
+
+    assert {:ok, result} =
+             Cachex.get(
+               :translations_cache,
+               "en/uk/#{:crypto.hash(:sha256, "some text") |> Base.encode64()}"
+             )
+
+    assert result.content == "txet emos"
+  end
+end

test/pleroma/web/mastodon_api/controllers/status_controller_test.exs

@@ -2550,4 +2550,44 @@ defmodule Pleroma.Web.MastodonAPI.StatusControllerTest do
       |> json_response_and_validate_schema(:not_found)
     end
   end
+
+  describe "translating statuses" do
+    setup do: clear_config([Pleroma.Translation, :service], TranslationMock)
+
+    test "it translates a status to user language" do
+      user = insert(:user, language: "fr")
+      %{conn: conn, user: user} = oauth_access(["read:statuses"], user: user)
+      another_user = insert(:user)
+
+      {:ok, activity} =
+        CommonAPI.post(another_user, %{
+          status: "Cześć!",
+          visibility: "public",
+          language: "pl"
+        })
+
+      response =
+        conn
+        |> post("/api/v1/statuses/#{activity.id}/translate")
+        |> json_response_and_validate_schema(200)
+
+        assert response == %{"content" => "!ćśezC", "detected_source_language" => "pl", "provider" => "TranslationMock"}
+    end
+
+    test "it returns an error if no target language provided" do
+      %{conn: conn, user: user} = oauth_access(["read:statuses"])
+      another_user = insert(:user)
+
+      {:ok, activity} =
+        CommonAPI.post(another_user, %{
+          status: "Cześć!",
+          language: "pl"
+        })
+
+      response =
+        conn
+        |> post("/api/v1/statuses/#{activity.id}/translate")
+        |> json_response_and_validate_schema(400)
+    end
+  end
 end

test/support/translation_mock.ex

@@ -0,0 +1,22 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule TranslationMock do
+  alias Pleroma.Translation.Service
+
+  @behaviour Service
+
+  @impl Service
+  def configured?, do: true
+
+  @impl Service
+  def translate(content, source_language, _target_language) do
+    {:ok,
+     %{
+       content: content |> String.reverse(),
+       detected_source_language: source_language,
+       provider: "TranslationMock"
+     }}
+  end
+end