From 7ea330b4fe1c93eb7caba2631e1adf133708fa20 Mon Sep 17 00:00:00 2001
From: Tusooa Zhu <tusooa@kazv.moe>
Date: Thu, 3 Mar 2022 02:03:44 -0500
Subject: Support multiple locales formally

elixir gettext current does not fully support fallback to another language [0].
But it might in the future. We adapt it so that all languages in Accept-Language
headers are received by Pleroma.Web.Gettext. User.languages is now a comma-separated
list.

[0]: https://github.com/elixir-gettext/gettext/issues/303
---
 test/pleroma/web/plugs/set_locale_plug_test.exs | 30 ++++++++++++++++++-------
 1 file changed, 22 insertions(+), 8 deletions(-)

(limited to 'test')

diff --git a/test/pleroma/web/plugs/set_locale_plug_test.exs b/test/pleroma/web/plugs/set_locale_plug_test.exs
index f5d3ab995..b0e7afffd 100644
--- a/test/pleroma/web/plugs/set_locale_plug_test.exs
+++ b/test/pleroma/web/plugs/set_locale_plug_test.exs
@@ -16,7 +16,7 @@ defmodule Pleroma.Web.Plugs.SetLocalePlugTest do
       |> SetLocalePlug.call([])
 
     assert "en" == Gettext.get_locale()
-    assert %{locale: "en"} == conn.assigns
+    assert %{locale: "en"} = conn.assigns
   end
 
   test "use supported locale from `accept-language`" do
@@ -30,7 +30,7 @@ defmodule Pleroma.Web.Plugs.SetLocalePlugTest do
       |> SetLocalePlug.call([])
 
     assert "ru" == Gettext.get_locale()
-    assert %{locale: "ru"} == conn.assigns
+    assert %{locale: "ru"} = conn.assigns
   end
 
   test "fallback to the general language if a variant is not supported" do
@@ -44,7 +44,7 @@ defmodule Pleroma.Web.Plugs.SetLocalePlugTest do
       |> SetLocalePlug.call([])
 
     assert "ru" == Gettext.get_locale()
-    assert %{locale: "ru"} == conn.assigns
+    assert %{locale: "ru"} = conn.assigns
   end
 
   test "use supported locale with specifiers from `accept-language`" do
@@ -58,7 +58,21 @@ defmodule Pleroma.Web.Plugs.SetLocalePlugTest do
       |> SetLocalePlug.call([])
 
     assert "zh_Hans" == Gettext.get_locale()
-    assert %{locale: "zh_Hans"} == conn.assigns
+    assert %{locale: "zh_Hans"} = conn.assigns
+  end
+
+  test "it assigns all supported locales" do
+    conn =
+      :get
+      |> conn("/cofe")
+      |> Conn.put_req_header(
+        "accept-language",
+        "ru, fr-CH, fr;q=0.9, en;q=0.8, x-unsupported;q=0.8, *;q=0.5"
+      )
+      |> SetLocalePlug.call([])
+
+    assert "ru" == Gettext.get_locale()
+    assert %{locale: "ru", locales: ["ru", "fr", "en"]} = conn.assigns
   end
 
   test "fallback to some variant of the language if the unqualified language is not supported" do
@@ -87,7 +101,7 @@ defmodule Pleroma.Web.Plugs.SetLocalePlugTest do
       |> SetLocalePlug.call([])
 
     assert "zh_Hans" == Gettext.get_locale()
-    assert %{locale: "zh_Hans"} == conn.assigns
+    assert %{locale: "zh_Hans"} = conn.assigns
   end
 
   test "fallback to supported locale from `accept-language` if locale in cookie not supported" do
@@ -102,7 +116,7 @@ defmodule Pleroma.Web.Plugs.SetLocalePlugTest do
       |> SetLocalePlug.call([])
 
     assert "ru" == Gettext.get_locale()
-    assert %{locale: "ru"} == conn.assigns
+    assert %{locale: "ru"} = conn.assigns
   end
 
   test "fallback to default if nothing is supported" do
@@ -117,7 +131,7 @@ defmodule Pleroma.Web.Plugs.SetLocalePlugTest do
       |> SetLocalePlug.call([])
 
     assert "en" == Gettext.get_locale()
-    assert %{locale: "en"} == conn.assigns
+    assert %{locale: "en"} = conn.assigns
   end
 
   test "use default locale if locale from `accept-language` is not supported" do
@@ -128,6 +142,6 @@ defmodule Pleroma.Web.Plugs.SetLocalePlugTest do
       |> SetLocalePlug.call([])
 
     assert "en" == Gettext.get_locale()
-    assert %{locale: "en"} == conn.assigns
+    assert %{locale: "en"} = conn.assigns
   end
 end
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