tests: Add duplicate color profile test case

This adds a copy of the calibration test profile and sets up a test to
first add it as a system profile, then setting up the XDG_DATA_HOME
directory so that the duplicate profile is detected, added, and later
discarded.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2622>

src/backends/meta-color-manager-private.h

@@ -31,6 +31,7 @@ struct _MetaColorManagerClass
 
 CdClient * meta_color_manager_get_cd_client (MetaColorManager *color_manager);
 
+META_EXPORT_TEST
 MetaColorStore * meta_color_manager_get_color_store (MetaColorManager *color_manager);
 
 META_EXPORT_TEST

src/backends/meta-color-store.c

@@ -750,3 +750,17 @@ meta_color_store_ensure_colord_profile_finish (MetaColorStore  *color_store,
 
   return g_task_propagate_pointer (G_TASK (res), error);
 }
+
+MetaColorProfile *
+meta_color_store_get_profile (MetaColorStore *color_store,
+                              const char     *profile_id)
+{
+  return g_hash_table_lookup (color_store->profiles, profile_id);
+}
+
+gboolean
+meta_color_store_has_pending_profiles (MetaColorStore *color_store)
+{
+  return (g_hash_table_size (color_store->pending_local_profiles) > 0 ||
+          g_hash_table_size (color_store->pending_device_profiles) > 0);
+}

src/backends/meta-color-store.h

@@ -23,6 +23,7 @@
 #include <glib-object.h>
 
 #include "backends/meta-backend-types.h"
+#include "core/util-private.h"
 
 #define META_TYPE_COLOR_STORE (meta_color_store_get_type ())
 G_DECLARE_FINAL_TYPE (MetaColorStore, meta_color_store,
@@ -51,4 +52,11 @@ MetaColorProfile * meta_color_store_ensure_colord_profile_finish (MetaColorStore
                                                                   GAsyncResult    *res,
                                                                   GError         **error);
 
+META_EXPORT_TEST
+MetaColorProfile * meta_color_store_get_profile (MetaColorStore *color_store,
+                                                 const char     *profile_id);
+
+META_EXPORT_TEST
+gboolean meta_color_store_has_pending_profiles (MetaColorStore *color_store);
+
 #endif /* META_COLOR_STORE_H */

src/tests/color-management-profile-conflict-test.c

@@ -0,0 +1,139 @@
+/*
+ * Copyright (C) 2022 Red Hat
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ *
+ */
+
+#include "config.h"
+
+#include <fcntl.h>
+
+#include "backends/meta-color-manager-private.h"
+#include "backends/meta-color-profile.h"
+#include "backends/meta-color-store.h"
+#include "meta-test/meta-context-test.h"
+#include "tests/meta-monitor-test-utils.h"
+
+#define VX239_ICC_PROFILE_ID "icc-c5e479355c02452dd30c1256a154a8f4"
+
+static MetaContext *test_context;
+
+static GDBusProxy *
+get_colord_mock_proxy (void)
+{
+  GDBusProxy *proxy;
+  g_autoptr (GError) error = NULL;
+  g_autoptr (GVariant) ret = NULL;
+
+  proxy =
+    g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SYSTEM,
+                                   G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START |
+                                   G_DBUS_PROXY_FLAGS_DO_NOT_CONNECT_SIGNALS,
+                                   NULL,
+                                   "org.freedesktop.ColorManager",
+                                   "/org/freedesktop/ColorManager",
+                                   "org.freedesktop.DBus.Mock",
+                                   NULL, &error);
+  if (!proxy)
+    {
+      g_error ("Failed to find mocked color manager system service, %s",
+               error->message);
+    }
+
+  return proxy;
+}
+
+static void
+add_colord_system_profile (const char *cd_profile_id,
+                           const char *file_path)
+{
+  GDBusProxy *proxy;
+  g_autoptr (GError) error = NULL;
+  GVariantBuilder params_builder;
+
+  proxy = get_colord_mock_proxy ();
+
+  g_variant_builder_init (&params_builder, G_VARIANT_TYPE ("(ss)"));
+  g_variant_builder_add (&params_builder, "s", cd_profile_id);
+  g_variant_builder_add (&params_builder, "s", file_path);
+
+  if (!g_dbus_proxy_call_sync (proxy,
+                               "AddSystemProfile",
+                               g_variant_builder_end (&params_builder),
+                               G_DBUS_CALL_FLAGS_NO_AUTO_START, -1, NULL,
+                               &error))
+    g_error ("Failed to add system profile: %s", error->message);
+}
+
+static void
+meta_test_color_profile_conflicts (void)
+{
+  MetaBackend *backend = meta_context_get_backend (test_context);
+  MetaColorManager *color_manager =
+    meta_backend_get_color_manager (backend);
+  MetaColorStore *color_store;
+
+  while (!meta_color_manager_is_ready (color_manager))
+    g_main_context_iteration (NULL, TRUE);
+
+  color_store = meta_color_manager_get_color_store (color_manager);
+  while (meta_color_store_has_pending_profiles (color_store))
+    g_main_context_iteration (NULL, TRUE);
+
+  g_assert_null (meta_color_store_get_profile (color_store,
+                                               VX239_ICC_PROFILE_ID));
+}
+
+static void
+init_tests (void)
+{
+  g_test_add_func ("/color-manegement/profile/conflict",
+                   meta_test_color_profile_conflicts);
+}
+
+int
+main (int argc, char **argv)
+{
+  g_autoptr (MetaContext) context = NULL;
+  g_autofree char *system_profile_path = NULL;
+  g_autofree char *data_home_path = NULL;
+
+  context = meta_create_test_context (META_CONTEXT_TEST_TYPE_HEADLESS,
+                                      META_CONTEXT_TEST_FLAG_NONE);
+
+  g_assert (meta_context_configure (context, &argc, &argv, NULL));
+
+  system_profile_path = g_test_build_filename (G_TEST_DIST,
+                                               "tests",
+                                               "icc-profiles",
+                                               "vx239-calibrated.icc",
+                                               NULL);
+  add_colord_system_profile (VX239_ICC_PROFILE_ID, system_profile_path);
+
+  data_home_path = g_test_build_filename (G_TEST_DIST,
+                                          "tests",
+                                          "share",
+                                          NULL);
+  g_setenv ("XDG_DATA_HOME", data_home_path, TRUE);
+
+  test_context = context;
+
+  init_tests ();
+
+  return meta_context_test_run_tests (META_CONTEXT_TEST (context),
+                                      META_TEST_RUN_FLAG_NONE);
+}

src/tests/meson.build

@@ -239,6 +239,11 @@ test_cases += [
     'suite': 'unit',
     'sources': [ 'color-management-tests.c', ],
   },
+  {
+    'name': 'color-management-profile-conflict',
+    'suite': 'unit',
+    'sources': [ 'color-management-profile-conflict-test.c', ],
+  },
 ]
 
 if have_native_tests