tests: Move clutter-test-utils.[ch] to src/tests

And add the necessary glue so those initialize a X11 clutter backend.
This should get Clutter tests that are dependent on windowing to work
again, thus they were enabled back again.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/672

clutter/clutter/clutter-private.h

@@ -204,6 +204,7 @@ guint           _clutter_pixel_to_id            (guchar        pixel[4]);
 void            _clutter_id_to_color            (guint         id,
                                                  ClutterColor *col);
 
+CLUTTER_EXPORT
 void            _clutter_set_sync_to_vblank     (gboolean      sync_to_vblank);
 
 /* use this function as the accumulator if you have a signal with

clutter/clutter/clutter.h

@@ -103,7 +103,6 @@
 #include "clutter-stage-manager.h"
 #include "clutter-stage-view.h"
 #include "clutter-tap-action.h"
-#include "clutter-test-utils.h"
 #include "clutter-texture.h"
 #include "clutter-text.h"
 #include "clutter-timeline.h"

clutter/clutter/meson.build

@@ -77,7 +77,6 @@ clutter_headers = [
   'clutter-stage-manager.h',
   'clutter-stage-view.h',
   'clutter-tap-action.h',
-  'clutter-test-utils.h',
   'clutter-texture.h',
   'clutter-text.h',
   'clutter-text-buffer.h',
@@ -168,7 +167,6 @@ clutter_sources = [
   'clutter-stage-view.c',
   'clutter-stage-window.c',
   'clutter-tap-action.c',
-  'clutter-test-utils.c',
   'clutter-text.c',
   'clutter-text-buffer.c',
   'clutter-transition-group.c',

src/tests/clutter-test-utils.c

@@ -1,17 +1,8 @@
-#include "clutter-build-config.h"
-
 #include "clutter-test-utils.h"
 
 #include <stdlib.h>
 #include <glib-object.h>
-
+#include <clutter/clutter.h>
-#include "clutter-actor.h"
-#include "clutter-color.h"
-#include "clutter-event.h"
-#include "clutter-keysyms.h"
-#include "clutter-main.h"
-#include "clutter-private.h"
-#include "clutter-stage.h"
 
 typedef struct {
   ClutterActor *stage;

src/tests/clutter-test-utils.h

@@ -19,16 +19,23 @@
  * License along with this library. If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include "config.h"
+
 #ifndef __CLUTTER_TEST_UTILS_H__
 #define __CLUTTER_TEST_UTILS_H__
 
-#if !defined(__CLUTTER_H_INSIDE__) && !defined(CLUTTER_COMPILATION)
+#define __CLUTTER_H_INSIDE__
-#error "Only <clutter/clutter.h> can be included directly."
-#endif
 
-#include <clutter/clutter-types.h>
+#include "clutter/clutter-types.h"
-#include <clutter/clutter-actor.h>
+#include "clutter/clutter-actor.h"
-#include <clutter/clutter-color.h>
+#include "clutter/clutter-color.h"
+#include "clutter/clutter-private.h"
+#include "core/main-private.h"
+#include "meta/common.h"
+#include "meta/main.h"
+#include "backends/x11/nested/meta-backend-x11-nested.h"
+#include "wayland/meta-wayland.h"
+#include "wayland/meta-xwayland.h"
 
 G_BEGIN_DECLS
 
@@ -79,12 +86,22 @@ G_BEGIN_DECLS
 int \
 main (int argc, char *argv[]) \
 { \
+  char *display_name = g_strdup ("mutter-test-display-XXXXXX");\
+  int fd = g_mkstemp (display_name);\
+  meta_wayland_override_display_name (display_name);\
+  meta_override_compositor_configuration (META_COMPOSITOR_TYPE_WAYLAND,\
+                                          META_TYPE_BACKEND_X11_NESTED);\
+\
+  meta_init ();\
+\
   clutter_test_init (&argc, &argv); \
 \
   { \
     units \
   } \
 \
+  close (fd);\
+  g_free (display_name);\
   return clutter_test_run (); \
 }
 

src/tests/clutter/conform/actor-anchors.c

@@ -4,6 +4,8 @@
 #define CLUTTER_DISABLE_DEPRECATION_WARNINGS
 #include <clutter/clutter.h>
 
+#include "tests/clutter-test-utils.h"
+
 #define NOTIFY_ANCHOR_X                  (1 << 0)
 #define NOTIFY_ANCHOR_Y                  (1 << 1)
 #define NOTIFY_ANCHOR_GRAVITY            (1 << 2)

src/tests/clutter/conform/actor-destroy.c

@@ -1,6 +1,8 @@
 #define CLUTTER_DISABLE_DEPRECATION_WARNINGS
 #include <clutter/clutter.h>
 
+#include "tests/clutter-test-utils.h"
+
 #define TEST_TYPE_DESTROY               (test_destroy_get_type ())
 #define TEST_DESTROY(obj)               (G_TYPE_CHECK_INSTANCE_CAST ((obj), TEST_TYPE_DESTROY, TestDestroy))
 #define TEST_IS_DESTROY(obj)            (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TEST_TYPE_DESTROY))

src/tests/clutter/conform/actor-graph.c

@@ -1,5 +1,7 @@
 #include <clutter/clutter.h>
 
+#include "tests/clutter-test-utils.h"
+
 static void
 actor_add_child (void)
 {

src/tests/clutter/conform/actor-invariants.c

@@ -4,6 +4,8 @@
 #define CLUTTER_DISABLE_DEPRECATION_WARNINGS
 #include <clutter/clutter.h>
 
+#include "tests/clutter-test-utils.h"
+
 static void
 actor_initial_state (void)
 {

src/tests/clutter/conform/actor-iter.c

@@ -1,6 +1,8 @@
 #include <glib.h>
 #include <clutter/clutter.h>
 
+#include "tests/clutter-test-utils.h"
+
 static void
 actor_iter_traverse_children (void)
 {

src/tests/clutter/conform/actor-layout.c

@@ -1,5 +1,7 @@
 #include <clutter/clutter.h>
 
+#include "tests/clutter-test-utils.h"
+
 static void
 actor_basic_layout (void)
 {

src/tests/clutter/conform/actor-meta.c

@@ -3,6 +3,8 @@
 
 #include <clutter/clutter.h>
 
+#include "tests/clutter-test-utils.h"
+
 static void
 actor_meta_clear (void)
 {

src/tests/clutter/conform/actor-offscreen-redirect.c

@@ -1,6 +1,8 @@
 #define CLUTTER_DISABLE_DEPRECATION_WARNINGS
 #include <clutter/clutter.h>
 
+#include "tests/clutter-test-utils.h"
+
 typedef struct _FooActor      FooActor;
 typedef struct _FooActorClass FooActorClass;
 

src/tests/clutter/conform/actor-paint-opacity.c

@@ -1,6 +1,8 @@
 #include <clutter/clutter.h>
 #include <stdlib.h>
 
+#include "tests/clutter-test-utils.h"
+
 static void
 opacity_label (void)
 {

src/tests/clutter/conform/actor-pick.c

@@ -1,6 +1,8 @@
 #define CLUTTER_DISABLE_DEPRECATION_WARNINGS
 #include <clutter/clutter.h>
 
+#include "tests/clutter-test-utils.h"
+
 #define STAGE_WIDTH  640
 #define STAGE_HEIGHT 480
 #define ACTORS_X 12

src/tests/clutter/conform/actor-shader-effect.c

@@ -2,6 +2,8 @@
 #define CLUTTER_DISABLE_DEPRECATION_WARNINGS
 #include <clutter/clutter.h>
 
+#include "tests/clutter-test-utils.h"
+
 /****************************************************************
  Old style shader effect
  This uses clutter_shader_effect_set_source

src/tests/clutter/conform/actor-size.c

@@ -3,6 +3,8 @@
 
 #include <clutter/clutter.h>
 
+#include "tests/clutter-test-utils.h"
+
 #define TEST_TYPE_ACTOR         (test_actor_get_type ())
 
 typedef struct _TestActor               TestActor;

src/tests/clutter/conform/behaviours.c

@@ -1,6 +1,8 @@
 #define CLUTTER_DISABLE_DEPRECATION_WARNINGS
 #include <clutter/clutter.h>
 
+#include "tests/clutter-test-utils.h"
+
 static void
 behaviour_opacity (void)
 {
@@ -65,6 +67,12 @@ main (int argc, char *argv[])
 {
   int i;
 
+  meta_wayland_override_display_name ("mutter-test-display");
+  meta_xwayland_override_display_number (512);
+  meta_override_compositor_configuration (META_COMPOSITOR_TYPE_WAYLAND,
+                                          META_TYPE_BACKEND_X11_NESTED);
+  meta_init ();
+
   clutter_test_init (&argc, &argv);
 
   for (i = 0; i < n_behaviour_tests; i++)

src/tests/clutter/conform/binding-pool.c

@@ -2,6 +2,8 @@
 
 #include <clutter/clutter.h>
 
+#include "tests/clutter-test-utils.h"
+
 #define TYPE_KEY_GROUP                  (key_group_get_type ())
 #define KEY_GROUP(obj)                  (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_KEY_GROUP, KeyGroup))
 #define IS_KEY_GROUP(obj)               (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_KEY_GROUP))

src/tests/clutter/conform/color.c

@@ -1,5 +1,7 @@
 #include <clutter/clutter.h>
 
+#include "tests/clutter-test-utils.h"
+
 static void
 color_hls_roundtrip (void)
 {

src/tests/clutter/conform/group.c

@@ -1,6 +1,8 @@
 #define CLUTTER_DISABLE_DEPRECATION_WARNINGS
 #include <clutter/clutter.h>
 
+#include "tests/clutter-test-utils.h"
+
 static void
 group_depth_sorting (void)
 {

src/tests/clutter/conform/interval.c

@@ -1,5 +1,7 @@
 #include <clutter/clutter.h>
 
+#include "tests/clutter-test-utils.h"
+
 static void
 interval_initial_state (void)
 {

src/tests/clutter/conform/meson.build

@@ -59,6 +59,7 @@ foreach test : clutter_conform_tests
   test_executable = executable('@0@'.format(test),
     sources: [
       '@0@.c'.format(test),
+      clutter_test_utils,
     ],
     include_directories: clutter_includes,
     c_args: clutter_tests_conform_c_args,
@@ -66,7 +67,8 @@ foreach test : clutter_conform_tests
     dependencies: [
       clutter_deps,
       libmutter_clutter_dep,
-      libmutter_cogl_path_dep
+      libmutter_cogl_path_dep,
+      libmutter_dep
     ],
     install: false,
   )

src/tests/clutter/conform/rectangle.c

@@ -1,6 +1,8 @@
 #define CLUTTER_DISABLE_DEPRECATION_WARNINGS
 #include <clutter/clutter.h>
 
+#include "tests/clutter-test-utils.h"
+
 static void
 rectangle_set_size (void)
 {

src/tests/clutter/conform/script-parser.c

@@ -4,6 +4,8 @@
 #define CLUTTER_DISABLE_DEPRECATION_WARNINGS
 #include <clutter/clutter.h>
 
+#include "tests/clutter-test-utils.h"
+
 #define TEST_TYPE_GROUP                 (test_group_get_type ())
 #define TEST_TYPE_GROUP_META            (test_group_meta_get_type ())
 

src/tests/clutter/conform/text.c

@@ -2,6 +2,8 @@
 #include <clutter/clutter.h>
 #include <string.h>
 
+#include "tests/clutter-test-utils.h"
+
 typedef struct {
   gunichar   unichar;
   const char bytes[6];

src/tests/clutter/conform/texture.c

@@ -2,6 +2,8 @@
 #include <clutter/clutter.h>
 #include <string.h>
 
+#include "tests/clutter-test-utils.h"
+
 static CoglHandle
 make_texture (void)
 {

src/tests/clutter/conform/units.c

@@ -1,5 +1,7 @@
 #include <clutter/clutter.h>
 
+#include "tests/clutter-test-utils.h"
+
 static void
 units_cache (void)
 {

src/tests/meson.build

@@ -1,6 +1,11 @@
-#if have_clutter_tests
+clutter_test_utils = files (
-#  subdir('clutter')
+  'clutter-test-utils.c',
-#endif
+  'clutter-test-utils.h',
+)
+
+if have_clutter_tests
+  subdir('clutter')
+endif
 
 tests_includepath = mutter_includes
 tests_c_args = mutter_c_args