[totem/wip/hadess/lang-menus: 6/6] tests: Add a test for the language menu items

[Bastien Nocera <hadess src gnome org>]

commit 972153c214f2f3b2ac75b84751f271ec5652a138
Author: Bastien Nocera <hadess hadess net>
Date:   Sat Feb 16 18:53:42 2019 +0100

    tests: Add a test for the language menu items
    
    To make sure that the display of language names and codecs never
    regresses.

 src/meson.build  | 10 +++++++
 src/test-totem.c | 80 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 src/totem-menu.c |  2 +-
 src/totem-menu.h |  3 +++
 4 files changed, 94 insertions(+), 1 deletion(-)
---
diff --git a/src/meson.build b/src/meson.build
index 3c9e7310c..59e05be7d 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -298,4 +298,14 @@ if have_gir
   )
 endif
 
+tests = [ 'test-totem' ]
+
+foreach test_name : tests
+  exe = executable(test_name, '@0@.c'.format(test_name),
+                   include_directories: [src_inc, top_inc],
+                   dependencies: libtotem_dep)
+
+  test(test_name, exe)
+endforeach
+
 subdir('plugins')
diff --git a/src/test-totem.c b/src/test-totem.c
new file mode 100644
index 000000000..a56c10af2
--- /dev/null
+++ b/src/test-totem.c
@@ -0,0 +1,80 @@
+#include "config.h"
+
+#include <locale.h>
+#define GST_USE_UNSTABLE_API 1
+#include <gst/tag/tag.h>
+
+#include "backend/bacon-video-widget.h"
+#include "totem-menu.h"
+
+static BvwLangInfo *
+bvw_lang_info_new (const char *language,
+                  const char *codec)
+{
+       BvwLangInfo *info;
+
+       info = g_new0 (BvwLangInfo, 1);
+       info->language = g_strdup (language);
+       info->codec = g_strdup (codec);
+       return info;
+}
+
+static void
+test_menus_lang_info (void)
+{
+       GList *l, *ret;
+
+       /* Same language, same codecs */
+       l = NULL;
+       l = g_list_append (l, bvw_lang_info_new ("eng", "Dolby Pro Racing"));
+       l = g_list_append (l, bvw_lang_info_new ("eng", "Dolby Pro Racing"));
+       l = g_list_append (l, bvw_lang_info_new ("fre", "Dolby Amateur 5.1"));
+
+       ret = bvw_lang_info_to_menu_labels (l);
+       g_list_free_full (l, (GDestroyNotify) bacon_video_widget_lang_info_free);
+
+       g_assert_cmpstr (g_list_nth_data (ret, 0), ==, "English #1");
+       g_assert_cmpstr (g_list_nth_data (ret, 1), ==, "English #2");
+       g_assert_cmpstr (g_list_nth_data (ret, 2), ==, "French");
+       g_list_free_full (ret, g_free);
+
+       /* Same language, different codecs */
+       l = NULL;
+       l = g_list_append (l, bvw_lang_info_new ("eng", "Dolby Pro Racing"));
+       l = g_list_append (l, bvw_lang_info_new ("eng", "Dolby Amateur 5.1"));
+       l = g_list_append (l, bvw_lang_info_new ("fre", "Dolby Amateur 5.1"));
+
+       ret = bvw_lang_info_to_menu_labels (l);
+       g_list_free_full (l, (GDestroyNotify) bacon_video_widget_lang_info_free);
+
+       g_assert_cmpstr (g_list_nth_data (ret, 0), ==, "English — Dolby Pro Racing");
+       g_assert_cmpstr (g_list_nth_data (ret, 1), ==, "English — Dolby Amateur 5.1");
+       g_assert_cmpstr (g_list_nth_data (ret, 2), ==, "French");
+       g_list_free_full (ret, g_free);
+
+       /* Different languages */
+       l = NULL;
+       l = g_list_append (l, bvw_lang_info_new ("eng", "Dolby Amateur 5.1"));
+       l = g_list_append (l, bvw_lang_info_new ("spa", "Dolby Amateur 5.1"));
+       l = g_list_append (l, bvw_lang_info_new ("fre", "Dolby Amateur 5.1"));
+
+       ret = bvw_lang_info_to_menu_labels (l);
+       g_list_free_full (l, (GDestroyNotify) bacon_video_widget_lang_info_free);
+
+       g_assert_cmpstr (g_list_nth_data (ret, 0), ==, "English");
+       g_assert_cmpstr (g_list_nth_data (ret, 1), ==, "Spanish; Castilian");
+       g_assert_cmpstr (g_list_nth_data (ret, 2), ==, "French");
+       g_list_free_full (ret, g_free);
+}
+
+int main (int argc, char **argv)
+{
+       setlocale (LC_ALL, "en_GB.UTF-8");
+
+       g_test_init (&argc, &argv, NULL);
+       g_test_bug_base ("http://bugzilla.gnome.org/show_bug.cgi?id=";);
+
+       g_test_add_func ("/menus/lang_info", test_menus_lang_info);
+
+       return g_test_run ();
+}
diff --git a/src/totem-menu.c b/src/totem-menu.c
index e4145c02e..4570659e7 100644
--- a/src/totem-menu.c
+++ b/src/totem-menu.c
@@ -401,7 +401,7 @@ get_language_name_no_und (const char *lang)
        return gst_tag_get_language_name (lang);
 }
 
-static GList *
+GList *
 bvw_lang_info_to_menu_labels (GList *langs)
 {
        GList *l, *ret;
diff --git a/src/totem-menu.h b/src/totem-menu.h
index 251c69286..bf13159e5 100644
--- a/src/totem-menu.h
+++ b/src/totem-menu.h
@@ -33,6 +33,9 @@ void totem_app_actions_setup (Totem *totem);
 void totem_sublang_update (Totem *totem);
 void totem_sublang_exit (Totem *totem);
 
+/* For test use only */
+GList *bvw_lang_info_to_menu_labels (GList *langs);
+
 G_END_DECLS
 
 #endif /* TOTEM_MENU_H */