Add a test for per-desktop overrides

gio/glib-compile-schemas.c

@@ -2143,6 +2143,7 @@ main (int argc, char **argv)
 
     /* These options are only for use in the gschema-compile tests */
     { "schema-file", 0, G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_FILENAME_ARRAY, &schema_files, NULL, NULL },
+    { "override-file", 0, G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_FILENAME_ARRAY, &override_files, NULL, NULL },
     { NULL }
   };
 

gio/tests/Makefile.am

@@ -369,12 +369,14 @@ test.mo: de.po
 EXTRA_DIST += de.po
 dist_uninstalled_test_data += \
 	org.gtk.test.gschema.xml.orig		\
+	org.gtk.test.gschema.override.orig	\
 	org.gtk.schemasourcecheck.gschema.xml	\
 	testenum.h				\
 	enums.xml.template
 # Generated while running the testcase itself...
 CLEANFILES += \
 	org.gtk.test.gschema.xml	\
+	org.gtk.test.gschema.override	\
 	org.gtk.test.enums.xml		\
 	gsettings.store			\
 	gschemas.compiled		\

gio/tests/gsettings.c

@@ -2246,6 +2246,7 @@ G_GNUC_END_IGNORE_DEPRECATIONS
                             "org.gtk.test.range.direct",
                             "org.gtk.test.mapped",
                             "org.gtk.test.descriptions",
+                            "org.gtk.test.per-desktop",
                             NULL));
 }
 
@@ -2637,6 +2638,100 @@ test_default_value (void)
   g_object_unref (settings);
 }
 
+static gboolean
+string_map_func (GVariant *value,
+                 gpointer *result,
+                 gpointer  user_data)
+{
+  const gchar *str;
+
+  str = g_variant_get_string (value, NULL);
+  *result = g_variant_new_string (str);
+
+  return TRUE;
+}
+
+/* Test that per-desktop values from org.gtk.test.gschema.override
+ * does not change default value if current desktop is not listed in
+ * $XDG_CURRENT_DESKTOP.
+ */
+static void
+test_per_desktop (void)
+{
+  GSettings *settings;
+  TestObject *obj;
+  gpointer p;
+  gchar *str;
+
+  settings = g_settings_new ("org.gtk.test.per-desktop");
+  obj = test_object_new ();
+
+  if (!g_test_subprocess ())
+    {
+      g_test_trap_subprocess ("/gsettings/per-desktop/subprocess", 0, 0);
+      g_test_trap_assert_passed ();
+    }
+
+  str = g_settings_get_string (settings, "desktop");
+  g_assert_cmpstr (str, ==, "GNOME");
+  g_free (str);
+
+  p = g_settings_get_mapped (settings, "desktop", string_map_func, NULL);
+
+  str = g_variant_dup_string (p, NULL);
+  g_assert_cmpstr (str, ==, "GNOME");
+  g_free (str);
+
+  g_variant_unref (p);
+
+  g_settings_bind (settings, "desktop", obj, "string", G_SETTINGS_BIND_DEFAULT);
+
+  g_object_get (obj, "string", &str, NULL);
+  g_assert_cmpstr (str, ==, "GNOME");
+  g_free (str);
+
+  g_object_unref (settings);
+  g_object_unref (obj);
+}
+
+/* Test that per-desktop values from org.gtk.test.gschema.override
+ * are successfully loaded based on the value of $XDG_CURRENT_DESKTOP.
+ */
+static void
+test_per_desktop_subprocess (void)
+{
+  GSettings *settings;
+  TestObject *obj;
+  gpointer p;
+  gchar *str;
+
+  g_setenv ("XDG_CURRENT_DESKTOP", "GNOME-Classic:GNOME", TRUE);
+
+  settings = g_settings_new ("org.gtk.test.per-desktop");
+  obj = test_object_new ();
+
+  str = g_settings_get_string (settings, "desktop");
+  g_assert_cmpstr (str, ==, "GNOME Classic");
+  g_free (str);
+
+  p = g_settings_get_mapped (settings, "desktop", string_map_func, NULL);
+
+  str = g_variant_dup_string (p, NULL);
+  g_assert_cmpstr (str, ==, "GNOME Classic");
+  g_free (str);
+
+  g_variant_unref (p);
+
+  g_settings_bind (settings, "desktop", obj, "string", G_SETTINGS_BIND_DEFAULT);
+
+  g_object_get (obj, "string", &str, NULL);
+  g_assert_cmpstr (str, ==, "GNOME Classic");
+  g_free (str);
+
+  g_object_unref (settings);
+  g_object_unref (obj);
+}
+
 static void
 test_extended_schema (void)
 {
@@ -2657,6 +2752,7 @@ int
 main (int argc, char *argv[])
 {
   gchar *schema_text;
+  gchar *override_text;
   gchar *enums;
   gint result;
 
@@ -2679,6 +2775,7 @@ main (int argc, char *argv[])
       g_setenv ("XDG_DATA_DIRS", ".", TRUE);
       g_setenv ("XDG_DATA_HOME", ".", TRUE);
       g_setenv ("GSETTINGS_SCHEMA_DIR", ".", TRUE);
+      g_setenv ("XDG_CURRENT_DESKTOP", "", TRUE);
 
       if (!backend_set)
         g_setenv ("GSETTINGS_BACKEND", "memory", TRUE);
@@ -2701,6 +2798,10 @@ main (int argc, char *argv[])
       g_assert (g_file_set_contents ("org.gtk.test.gschema.xml", schema_text, -1, NULL));
       g_free (schema_text);
 
+      g_assert (g_file_get_contents (SRCDIR "/org.gtk.test.gschema.override.orig", &override_text, NULL, NULL));
+      g_assert (g_file_set_contents ("org.gtk.test.gschema.override", override_text, -1, NULL));
+      g_free (override_text);
+
 /* Meson build defines this, autotools build does not */
 #ifndef GLIB_COMPILE_SCHEMAS
 #define GLIB_COMPILE_SCHEMAS "../glib-compile-schemas"
@@ -2709,7 +2810,8 @@ main (int argc, char *argv[])
       g_remove ("gschemas.compiled");
       g_assert (g_spawn_command_line_sync (GLIB_COMPILE_SCHEMAS " --targetdir=. "
                                            "--schema-file=org.gtk.test.enums.xml "
-                                           "--schema-file=org.gtk.test.gschema.xml",
+                                           "--schema-file=org.gtk.test.gschema.xml "
+                                           "--override-file=org.gtk.test.gschema.override",
                                            NULL, NULL, &result, NULL));
       g_assert (result == 0);
 
@@ -2790,6 +2892,8 @@ main (int argc, char *argv[])
   g_test_add_func ("/gsettings/read-descriptions", test_read_descriptions);
   g_test_add_func ("/gsettings/test-extended-schema", test_extended_schema);
   g_test_add_func ("/gsettings/default-value", test_default_value);
+  g_test_add_func ("/gsettings/per-desktop", test_per_desktop);
+  g_test_add_func ("/gsettings/per-desktop/subprocess", test_per_desktop_subprocess);
 
   result = g_test_run ();
 

gio/tests/org.gtk.test.gschema.override.orig

@@ -0,0 +1,2 @@
+[org.gtk.test.per-desktop:GNOME-Classic]
+desktop = "GNOME Classic"

gio/tests/org.gtk.test.gschema.xml.orig

@@ -213,4 +213,10 @@
     </key>
   </schema>
 
+  <schema id="org.gtk.test.per-desktop" path="/tests/per-desktop/">
+    <key name="desktop" type="s">
+      <default>"GNOME"</default>
+    </key>
+  </schema>
+
 </schemalist>