[libgweather/skip-locale] Do not run local-dependent tests with missing locales

[Emmanuele Bassi <ebassi src gnome org>]

commit 8b20cd91a96eae39bafe82ccf444dbc00759ad43
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Mon Mar 9 12:21:57 2020 +0000

    Do not run local-dependent tests with missing locales
    
    Not everyone has all the locales installed all the time, so let's check
    if a locale is available before using it.

 libgweather/test_libgweather.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)
---
diff --git a/libgweather/test_libgweather.c b/libgweather/test_libgweather.c
index 8a21911..77ee459 100644
--- a/libgweather/test_libgweather.c
+++ b/libgweather/test_libgweather.c
@@ -643,6 +643,7 @@ static void
 test_location_names (void)
 {
     GWeatherLocation *world, *brussels;
+    char *old_locale;
 
     world = gweather_location_get_world ();
     g_assert (world);
@@ -653,7 +654,16 @@ test_location_names (void)
     g_assert_cmpstr (gweather_location_get_sort_name (brussels), ==, "brussels");
     g_assert_cmpstr (gweather_location_get_english_name (brussels), ==, "Brussels");
 
+    old_locale = g_strdup (setlocale (LC_ALL, NULL));
     setlocale (LC_ALL, "fr_FR.UTF-8");
+    if (strstr (setlocale (LC_ALL, NULL), "fr_FR.UTF-8") == NULL)
+      {
+        g_test_skip ("locale fr_FR.UTF-8 not available, skipping localization tests");
+        setlocale (LC_ALL, old_locale);
+        g_free (old_locale);
+        return;
+      }
+
     _gweather_location_reset_world ();
 
     world = gweather_location_get_world ();
@@ -665,7 +675,7 @@ test_location_names (void)
     g_assert_cmpstr (gweather_location_get_sort_name (brussels), ==, "bruxelles");
     g_assert_cmpstr (gweather_location_get_english_name (brussels), ==, "Brussels");
 
-    setlocale (LC_ALL, "");
+    setlocale (LC_ALL, old_locale);
     _gweather_location_reset_world ();
 }