Prefer userLanguage cookie over Accept-Language header in detecting locale
[akkoma] / test / pleroma / web / plugs / set_locale_plug_test.exs
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 "use supported locale from cookie" do
51 conn =
52 :get
53 |> conn("/cofe")
54 |> put_req_cookie(SetLocalePlug.frontend_language_cookie_name(), "zh-Hans")
55 |> Conn.put_req_header(
56 "accept-language",
57 "ru, fr-CH, fr;q=0.9, en;q=0.8, *;q=0.5"
58 )
59 |> SetLocalePlug.call([])
60
61 assert "zh_Hans" == Gettext.get_locale()
62 assert %{locale: "zh_Hans"} == conn.assigns
63 end
64
65 test "fallback to supported locale from `accept-language` if locale in cookie not supported" do
66 conn =
67 :get
68 |> conn("/cofe")
69 |> put_req_cookie(SetLocalePlug.frontend_language_cookie_name(), "x-nonexist")
70 |> Conn.put_req_header(
71 "accept-language",
72 "ru, fr-CH, fr;q=0.9, en;q=0.8, *;q=0.5"
73 )
74 |> SetLocalePlug.call([])
75
76 assert "ru" == Gettext.get_locale()
77 assert %{locale: "ru"} == conn.assigns
78 end
79
80 test "fallback to default if nothing is supported" do
81 conn =
82 :get
83 |> conn("/cofe")
84 |> put_req_cookie(SetLocalePlug.frontend_language_cookie_name(), "x-nonexist")
85 |> Conn.put_req_header(
86 "accept-language",
87 "x-nonexist"
88 )
89 |> SetLocalePlug.call([])
90
91 assert "en" == Gettext.get_locale()
92 assert %{locale: "en"} == conn.assigns
93 end
94
95 test "use default locale if locale from `accept-language` is not supported" do
96 conn =
97 :get
98 |> conn("/cofe")
99 |> Conn.put_req_header("accept-language", "tlh")
100 |> SetLocalePlug.call([])
101
102 assert "en" == Gettext.get_locale()
103 assert %{locale: "en"} == conn.assigns
104 end
105 end