tests: add testcase for {Only,Not}ShowIn

https://bugzilla.gnome.org/show_bug.cgi?id=729813

gio/tests/appinfo.c

@@ -136,8 +136,6 @@ test_show_in (void)
   GAppInfo *appinfo;
   const gchar *path;
 
-  g_desktop_app_info_set_desktop_env ("GNOME");
-
   path = g_test_get_filename (G_TEST_DIST, "appinfo-test.desktop", NULL);
   appinfo = (GAppInfo*)g_desktop_app_info_new_from_filename (path);
   g_assert (g_app_info_should_show (appinfo));
@@ -476,6 +474,8 @@ test_from_keyfile (void)
 int
 main (int argc, char *argv[])
 {
+  g_setenv ("XDG_CURRENT_DESKTOP", "GNOME", TRUE);
+
   g_test_init (&argc, &argv, NULL);
 
   g_test_add_func ("/appinfo/basic", test_basic);

gio/tests/apps.c

@@ -107,5 +107,17 @@ main (int argc, char **argv)
       print_app_list (list);
     }
 
+  else if (g_str_equal (argv[1], "should-show"))
+    {
+      GAppInfo *info;
+
+      info = (GAppInfo *) g_desktop_app_info_new (argv[2]);
+      if (info)
+        {
+          g_print ("%s\n", g_app_info_should_show (info) ? "true" : "false");
+          g_object_unref (info);
+        }
+    }
+
   return 0;
 }

gio/tests/desktop-app-info.c

@@ -429,7 +429,8 @@ run_apps (const gchar *command,
           gboolean     with_usr,
           gboolean     with_home,
           const gchar *locale_name,
-          const gchar *language)
+          const gchar *language,
+          const gchar *xdg_current_desktop)
 {
   gboolean success;
   gchar **envp;
@@ -473,6 +474,11 @@ run_apps (const gchar *command,
   else
     envp = g_environ_unsetenv (envp, "LANGUAGE");
 
+  if (xdg_current_desktop)
+    envp = g_environ_setenv (envp, "XDG_CURRENT_DESKTOP", xdg_current_desktop, TRUE);
+  else
+    envp = g_environ_unsetenv (envp, "XDG_CURRENT_DESKTOP");
+
   success = g_spawn_sync (NULL, argv, envp, 0, NULL, NULL, &out, NULL, &status, NULL);
   g_assert (success);
   g_assert (status == 0);
@@ -521,7 +527,7 @@ assert_list (const gchar *expected,
 {
   gchar *result;
 
-  result = run_apps ("list", NULL, with_usr, with_home, locale_name, language);
+  result = run_apps ("list", NULL, with_usr, with_home, locale_name, language, NULL);
   g_strchomp (result);
   assert_strings_equivalent (expected, result);
   g_free (result);
@@ -537,7 +543,7 @@ assert_info (const gchar *desktop_id,
 {
   gchar *result;
 
-  result = run_apps ("show-info", desktop_id, with_usr, with_home, locale_name, language);
+  result = run_apps ("show-info", desktop_id, with_usr, with_home, locale_name, language, NULL);
   g_assert_cmpstr (result, ==, expected);
   g_free (result);
 }
@@ -556,7 +562,7 @@ assert_search (const gchar *search_string,
   gint i;
 
   expected_lines = g_strsplit (expected, "\n", -1);
-  result = run_apps ("search", search_string, with_usr, with_home, locale_name, language);
+  result = run_apps ("search", search_string, with_usr, with_home, locale_name, language, NULL);
   result_lines = g_strsplit (result, "\n", -1);
   g_assert_cmpint (g_strv_length (expected_lines), ==, g_strv_length (result_lines));
   for (i = 0; expected_lines[i]; i++)
@@ -574,7 +580,7 @@ assert_implementations (const gchar *interface,
 {
   gchar *result;
 
-  result = run_apps ("implementations", interface, with_usr, with_home, NULL, NULL);
+  result = run_apps ("implementations", interface, with_usr, with_home, NULL, NULL, NULL);
   g_strchomp (result);
   assert_strings_equivalent (expected, result);
   g_free (result);
@@ -707,6 +713,31 @@ test_implements (void)
   assert_implementations ("org.gnome.Shell.SearchProvider2", "", FALSE, FALSE);
 }
 
+static void
+assert_shown (const gchar *desktop_id,
+              gboolean     expected,
+              const gchar *xdg_current_desktop)
+{
+  gchar *result;
+
+  result = run_apps ("should-show", desktop_id, TRUE, TRUE, NULL, NULL, xdg_current_desktop);
+  g_assert_cmpstr (result, ==, expected ? "true\n" : "false\n");
+  g_free (result);
+}
+
+static void
+test_show_in (void)
+{
+  assert_shown ("gcr-prompter.desktop", FALSE, NULL);
+  assert_shown ("gcr-prompter.desktop", FALSE, "GNOME");
+  assert_shown ("gcr-prompter.desktop", FALSE, "KDE");
+  assert_shown ("gcr-prompter.desktop", FALSE, "GNOME:GNOME-Classic");
+  assert_shown ("gcr-prompter.desktop", TRUE, "GNOME-Classic:GNOME");
+  assert_shown ("gcr-prompter.desktop", TRUE, "GNOME-Classic");
+  assert_shown ("gcr-prompter.desktop", TRUE, "GNOME-Classic:KDE");
+  assert_shown ("gcr-prompter.desktop", TRUE, "KDE:GNOME-Classic");
+}
+
 int
 main (int   argc,
       char *argv[])
@@ -727,6 +758,7 @@ main (int   argc,
   g_test_add_func ("/desktop-app-info/actions", test_actions);
   g_test_add_func ("/desktop-app-info/search", test_search);
   g_test_add_func ("/desktop-app-info/implements", test_implements);
+  g_test_add_func ("/desktop-app-info/show-in", test_show_in);
 
   result = g_test_run ();
 

gio/tests/desktop-files/usr/applications/gcr-prompter.desktop

@@ -15,4 +15,5 @@ Icon=security-medium
 Exec=true
 Terminal=false
 Type=Application
-NoDisplay=true
+OnlyShowIn=GNOME-Classic
+NotShowIn=GNOME