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   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.Web.Plugs.SetLocalePlugTest do
   6   use ExUnit.Case, async: true
   7   use Plug.Test
   8
   9   alias Pleroma.Web.Plugs.SetLocalePlug
  10   alias Plug.Conn
  11
  12   test "default locale is `en`" do
  13     conn =
  14       :get
  15       |> conn("/cofe")
  16       |> SetLocalePlug.call([])
  17
  18     assert "en" == Gettext.get_locale()
  19     assert %{locale: "en"} == conn.assigns
  20   end
  21
  22   test "use supported locale from `accept-language`" do
  23     conn =
  24       :get
  25       |> conn("/cofe")
  26       |> Conn.put_req_header(
  27         "accept-language",
  28         "ru, fr-CH, fr;q=0.9, en;q=0.8, *;q=0.5"
  29       )
  30       |> SetLocalePlug.call([])
  31
  32     assert "ru" == Gettext.get_locale()
  33     assert %{locale: "ru"} == conn.assigns
  34   end
  35
  36   test "use supported locale with specifiers from `accept-language`" do
  37     conn =
  38       :get
  39       |> conn("/cofe")
  40       |> Conn.put_req_header(
  41         "accept-language",
  42         "zh-Hans;q=0.9, en;q=0.8, *;q=0.5"
  43       )
  44       |> SetLocalePlug.call([])
  45
  46     assert "zh_Hans" == Gettext.get_locale()
  47     assert %{locale: "zh_Hans"} == conn.assigns
  48   end
  49
  50   test "fallback to some variant of the language if the unqualified language is not supported" do
  51     conn =
  52       :get
  53       |> conn("/cofe")
  54       |> Conn.put_req_header(
  55         "accept-language",
  56         "zh;q=0.9, en;q=0.8, *;q=0.5"
  57       )
  58       |> SetLocalePlug.call([])
  59
  60     assert "zh_" <> _ = Gettext.get_locale()
  61     assert %{locale: "zh_" <> _} = conn.assigns
  62   end
  63
  64   test "use supported locale from cookie" do
  65     conn =
  66       :get
  67       |> conn("/cofe")
  68       |> put_req_cookie(SetLocalePlug.frontend_language_cookie_name(), "zh-Hans")
  69       |> Conn.put_req_header(
  70         "accept-language",
  71         "ru, fr-CH, fr;q=0.9, en;q=0.8, *;q=0.5"
  72       )
  73       |> SetLocalePlug.call([])
  74
  75     assert "zh_Hans" == Gettext.get_locale()
  76     assert %{locale: "zh_Hans"} == conn.assigns
  77   end
  78
  79   test "fallback to supported locale from `accept-language` if locale in cookie not supported" do
  80     conn =
  81       :get
  82       |> conn("/cofe")
  83       |> put_req_cookie(SetLocalePlug.frontend_language_cookie_name(), "x-nonexist")
  84       |> Conn.put_req_header(
  85         "accept-language",
  86         "ru, fr-CH, fr;q=0.9, en;q=0.8, *;q=0.5"
  87       )
  88       |> SetLocalePlug.call([])
  89
  90     assert "ru" == Gettext.get_locale()
  91     assert %{locale: "ru"} == conn.assigns
  92   end
  93
  94   test "fallback to default if nothing is supported" do
  95     conn =
  96       :get
  97       |> conn("/cofe")
  98       |> put_req_cookie(SetLocalePlug.frontend_language_cookie_name(), "x-nonexist")
  99       |> Conn.put_req_header(
 100         "accept-language",
 101         "x-nonexist"
 102       )
 103       |> SetLocalePlug.call([])
 104
 105     assert "en" == Gettext.get_locale()
 106     assert %{locale: "en"} == conn.assigns
 107   end
 108
 109   test "use default locale if locale from `accept-language` is not supported" do
 110     conn =
 111       :get
 112       |> conn("/cofe")
 113       |> Conn.put_req_header("accept-language", "tlh")
 114       |> SetLocalePlug.call([])
 115
 116     assert "en" == Gettext.get_locale()
 117     assert %{locale: "en"} == conn.assigns
 118   end
 119 end