tests: Split up 'native-unit' test

It had three different parts that deserve their own actual test cases
  * virtual monitors
  * screen casting
  * bezier

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3973>

src/tests/meson.build

@@ -353,21 +353,30 @@ test_cases += [
     'sources': [ 'kms-utils-unit-tests.c', ],
   },
   {
-    'name': 'native-unit',
+    'name': 'native-virtual-monitor',
     'suite': 'backends/native',
     'sources': [
-      'native-headless.c',
-      'native-screen-cast.c',
-      'native-screen-cast.h',
       'native-virtual-monitor.c',
-      'native-virtual-monitor.h',
+    ],
-      'native-bezier-tests.c',
+  },
+  {
+    'name': 'native-screen-cast',
+    'suite': 'backends/native',
+    'sources': [
+      'native-screen-cast.c',
     ],
     'depends': [
       screen_cast_client,
     ],
     'launch': [ 'pipewire', 'wireplumber' ],
   },
+  {
+    'name': 'bezier',
+    'suite': 'backends/native',
+    'sources': [
+      'native-bezier-tests.c',
+    ],
+  },
   {
     'name': 'pointer-constraints',
     'suite': 'backends/native',

src/tests/native-bezier-tests.c

@@ -18,9 +18,8 @@
 
 #include "config.h"
 
-#include "native-bezier-tests.h"
-
 #include "backends/native/meta-bezier.h"
+#include "tests/meta-test/meta-context-test.h"
 
 static void
 meta_test_bezier_linear (void)
@@ -116,8 +115,8 @@ meta_test_bezier_snake (void)
     }
 }
 
-void
+static void
-init_bezier_tests (void)
+init_tests (void)
 {
   g_test_add_func ("/backends/bezier/linear", meta_test_bezier_linear);
   g_test_add_func ("/backends/bezier/steep", meta_test_bezier_steep);
@@ -125,3 +124,18 @@ init_bezier_tests (void)
   g_test_add_func ("/backends/bezier/snake", meta_test_bezier_snake);
 }
 
+int
+main (int    argc,
+      char **argv)
+{
+  g_autoptr (MetaContext) context = NULL;
+
+  context = meta_create_test_context (META_CONTEXT_TEST_TYPE_HEADLESS,
+                                      META_CONTEXT_TEST_FLAG_NO_X11);
+  g_assert (meta_context_configure (context, &argc, &argv, NULL));
+
+  init_tests ();
+
+  return meta_context_test_run_tests (META_CONTEXT_TEST (context),
+                                      META_TEST_RUN_FLAG_NONE);
+}

src/tests/native-bezier-tests.h

@@ -1,21 +0,0 @@
-/*
- * Copyright (C) 2023 Red Hat Inc.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-#pragma once
-
-void init_bezier_tests (void);

src/tests/native-headless.c

@@ -1,48 +0,0 @@
-/*
- * Copyright (C) 2021 Red Hat Inc.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-#include "config.h"
-
-#include "meta-test/meta-context-test.h"
-#include "tests/native-bezier-tests.h"
-#include "tests/native-screen-cast.h"
-#include "tests/native-virtual-monitor.h"
-
-static void
-init_tests (MetaContext *context)
-{
-  init_virtual_monitor_tests (context);
-  init_screen_cast_tests ();
-  init_bezier_tests ();
-}
-
-int
-main (int    argc,
-      char **argv)
-{
-  g_autoptr (MetaContext) context = NULL;
-
-  context = meta_create_test_context (META_CONTEXT_TEST_TYPE_HEADLESS,
-                                      META_CONTEXT_TEST_FLAG_NO_X11);
-  g_assert (meta_context_configure (context, &argc, &argv, NULL));
-
-  init_tests (context);
-
-  return meta_context_test_run_tests (META_CONTEXT_TEST (context),
-                                      META_TEST_RUN_FLAG_NONE);
-}

src/tests/native-kms-cursor-hotplug.c

@@ -31,8 +31,6 @@
 #include "tests/meta-test-utils.h"
 #include "tests/meta-wayland-test-driver.h"
 #include "tests/meta-wayland-test-utils.h"
-#include "tests/native-screen-cast.h"
-#include "tests/native-virtual-monitor.h"
 #include "wayland/meta-cursor-sprite-wayland.h"
 #include "wayland/meta-wayland-private.h"
 #include "wayland/meta-wayland-seat.h"

src/tests/native-pointer-constraints.c

@@ -24,8 +24,6 @@
 #include "meta-test/meta-context-test.h"
 #include "meta/meta-backend.h"
 #include "tests/meta-test-utils.h"
-#include "tests/native-screen-cast.h"
-#include "tests/native-virtual-monitor.h"
 
 static MetaContext *test_context;
 

src/tests/native-screen-cast.c

@@ -18,13 +18,12 @@
 
 #include "config.h"
 
-#include "tests/native-screen-cast.h"
-
 #include <errno.h>
 #include <gio/gio.h>
 #include <unistd.h>
 
 #include "meta/util.h"
+#include "tests/meta-test/meta-context-test.h"
 
 static void
 test_client_exited (GObject      *source_object,
@@ -82,9 +81,25 @@ meta_test_screen_cast_record_virtual (void)
   meta_remove_verbose_topic (META_DEBUG_SCREEN_CAST);
 }
 
-void
+static void
-init_screen_cast_tests (void)
+init_tests (void)
 {
   g_test_add_func ("/backends/native/screen-cast/record-virtual",
                    meta_test_screen_cast_record_virtual);
 }
+
+int
+main (int    argc,
+      char **argv)
+{
+  g_autoptr (MetaContext) context = NULL;
+
+  context = meta_create_test_context (META_CONTEXT_TEST_TYPE_HEADLESS,
+                                      META_CONTEXT_TEST_FLAG_NO_X11);
+  g_assert (meta_context_configure (context, &argc, &argv, NULL));
+
+  init_tests ();
+
+  return meta_context_test_run_tests (META_CONTEXT_TEST (context),
+                                      META_TEST_RUN_FLAG_NONE);
+}

src/tests/native-screen-cast.h

@@ -1,21 +0,0 @@
-/*
- * Copyright (C) 2021 Red Hat Inc.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-#pragma once
-
-void init_screen_cast_tests (void);

src/tests/native-virtual-monitor.c

@@ -18,14 +18,13 @@
 
 #include "config.h"
 
-#include "tests/native-virtual-monitor.h"
-
 #include "backends/meta-backend-private.h"
 #include "backends/meta-logical-monitor.h"
 #include "backends/meta-monitor-config-manager.h"
 #include "backends/meta-virtual-monitor.h"
 #include "backends/native/meta-renderer-native.h"
 #include "tests/meta-ref-test.h"
+#include "tests/meta-test/meta-context-test.h"
 
 static MetaContext *test_context;
 
@@ -127,11 +126,27 @@ meta_test_virtual_monitor_create (void)
   clutter_actor_destroy (actor);
 }
 
-void
+static void
-init_virtual_monitor_tests (MetaContext *context)
+init_tests (MetaContext *context)
 {
   test_context = context;
 
   g_test_add_func ("/backends/native/virtual-monitor/create",
                    meta_test_virtual_monitor_create);
 }
+
+int
+main (int    argc,
+      char **argv)
+{
+  g_autoptr (MetaContext) context = NULL;
+
+  context = meta_create_test_context (META_CONTEXT_TEST_TYPE_HEADLESS,
+                                      META_CONTEXT_TEST_FLAG_NO_X11);
+  g_assert (meta_context_configure (context, &argc, &argv, NULL));
+
+  init_tests (context);
+
+  return meta_context_test_run_tests (META_CONTEXT_TEST (context),
+                                      META_TEST_RUN_FLAG_NONE);
+}

src/tests/native-virtual-monitor.h

@@ -1,23 +0,0 @@
-/*
- * Copyright (C) 2021 Red Hat Inc.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-#pragma once
-
-typedef struct _MetaContext MetaContext;
-
-void init_virtual_monitor_tests (MetaContext *context);