From 6c3c17daa6ffbfbbed348d1701ca11d2b7ede7ae Mon Sep 17 00:00:00 2001
From: Carlos Garnacho <carlosg@gnome.org>
Date: Sat, 31 Aug 2024 14:31:28 +0200
Subject: [PATCH] tests: Make test context able to create a session manager

And create an empty one when asked for it. This session data is not
saved on disk, except for the purpose of creating an empty file FD.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3825>
---
 src/core/meta-session-manager.h |  2 ++
 src/tests/meta-context-test.c   | 45 +++++++++++++++++++++++++++++++++
 2 files changed, 47 insertions(+)

diff --git a/src/core/meta-session-manager.h b/src/core/meta-session-manager.h
index 8c908de76..16c31bf0b 100644
--- a/src/core/meta-session-manager.h
+++ b/src/core/meta-session-manager.h
@@ -22,6 +22,7 @@
 #include <sys/mman.h>
 
 #include "core/meta-session-state.h"
+#include "core/util-private.h"
 #include "meta/window.h"
 
 #define META_TYPE_SESSION_MANAGER (meta_session_manager_get_type ())
@@ -33,6 +34,7 @@ G_DECLARE_FINAL_TYPE (MetaSessionManager,
 MetaSessionManager * meta_session_manager_new (const gchar  *name,
                                                GError      **error);
 
+META_EXPORT_TEST
 MetaSessionManager * meta_session_manager_new_for_fd (const gchar  *name,
                                                       int           fd,
                                                       GError      **error);
diff --git a/src/tests/meta-context-test.c b/src/tests/meta-context-test.c
index 54459f6ad..510f83fe7 100644
--- a/src/tests/meta-context-test.c
+++ b/src/tests/meta-context-test.c
@@ -24,6 +24,7 @@
 #include <gio/gio.h>
 #define G_SETTINGS_ENABLE_BACKEND
 #include <gio/gsettingsbackend.h>
+#include <fcntl.h>
 
 #include "core/meta-context-private.h"
 #include "meta/meta-x11-display.h"
@@ -51,6 +52,7 @@ typedef struct _MetaContextTestPrivate
 {
   MetaContextTestType type;
   MetaContextTestFlag flags;
+  MetaSessionManager *session_manager;
 } MetaContextTestPrivate;
 
 struct _MetaContextTestClass
@@ -76,6 +78,18 @@ ensure_gsettings_memory_backend (void)
                  G_TYPE_FROM_INSTANCE (default_backend));
 }
 
+static void
+meta_context_test_finalize (GObject *object)
+{
+  MetaContextTest *context_test = META_CONTEXT_TEST (object);
+  MetaContextTestPrivate *priv =
+    meta_context_test_get_instance_private (context_test);
+
+  g_clear_object (&priv->session_manager);
+
+  G_OBJECT_CLASS (meta_context_test_parent_class)->finalize (object);
+}
+
 static gboolean
 meta_context_test_configure (MetaContext   *context,
                              int           *argc,
@@ -219,6 +233,33 @@ meta_context_test_notify_ready (MetaContext *context)
 {
 }
 
+static MetaSessionManager *
+meta_context_test_get_session_manager (MetaContext *context)
+{
+  MetaContextTest *context_test = META_CONTEXT_TEST (context);
+  MetaContextTestPrivate *priv =
+    meta_context_test_get_instance_private (context_test);
+
+  if (!priv->session_manager)
+    {
+      g_autoptr (GError) error = NULL;
+      g_autofree char *template = NULL;
+      int fd;
+
+      template = g_build_filename (g_get_tmp_dir (),
+                                   "session.gvdb.XXXXXX",
+                                   NULL);
+
+      fd = g_mkstemp (template);
+      unlink (template);
+      priv->session_manager =
+        meta_session_manager_new_for_fd (NULL, fd, &error);
+      g_assert_no_error (error);
+    }
+
+  return priv->session_manager;
+}
+
 #ifdef HAVE_X11
 static gboolean
 meta_context_test_is_x11_sync (MetaContext *context)
@@ -343,8 +384,11 @@ meta_create_test_context (MetaContextTestType type,
 static void
 meta_context_test_class_init (MetaContextTestClass *klass)
 {
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
   MetaContextClass *context_class = META_CONTEXT_CLASS (klass);
 
+  object_class->finalize = meta_context_test_finalize;
+
   context_class->configure = meta_context_test_configure;
   context_class->get_compositor_type = meta_context_test_get_compositor_type;
   context_class->get_x11_display_policy =
@@ -356,6 +400,7 @@ meta_context_test_class_init (MetaContextTestClass *klass)
 #ifdef HAVE_X11
   context_class->is_x11_sync = meta_context_test_is_x11_sync;
 #endif
+  context_class->get_session_manager = meta_context_test_get_session_manager;
 
   signals[BEFORE_TESTS] =
     g_signal_new ("before-tests",