/**
 * gimp_test_session_load_and_write_session_files:
 * @loaded_sessionrc:   The name of the file of the sessionrc file to
 *                      load
 * @loaded_dockrc:      The name of the file of the dockrc file to load
 * @expected_sessionrc: The name of the file with the expected
 *                      sessionrc file content
 * @expected_dockrc:    The name of the file with the expected dockrc
 *                      file content
 *
 * Utility function for the various session management tests. We can't
 * easily have all those tests in a single program several Gimp
 * instance can't easily be initialized in the same process.
 **/
void
gimp_test_session_load_and_write_session_files (const gchar *loaded_sessionrc,
                                                const gchar *loaded_dockrc,
                                                const gchar *expected_sessionrc,
                                                const gchar *expected_dockrc,
                                                gboolean     single_window_mode)
{
  Gimp              *gimp;
  GimpTestFileState  initial_sessionrc_state = { NULL, NULL, { 0, 0 } };
  GimpTestFileState  initial_dockrc_state    = { NULL, NULL, { 0, 0 } };
  GimpTestFileState  final_sessionrc_state   = { NULL, NULL, { 0, 0 } };
  GimpTestFileState  final_dockrc_state      = { NULL, NULL, { 0, 0 } };
  gchar             *sessionrc_filename      = NULL;
  gchar             *dockrc_filename         = NULL;

  /* Make sure to run this before we use any GIMP functions */
  gimp_test_utils_set_gimp2_directory ("GIMP_TESTING_ABS_TOP_SRCDIR",
                                       "app/tests/gimpdir");
  gimp_test_utils_setup_menus_dir ();

  /* Note that we expect the resulting sessionrc to be different from
   * the read file, which is why we check the MD5 of the -expected
   * variant
   */
  sessionrc_filename = gimp_personal_rc_file (expected_sessionrc);
  dockrc_filename    = gimp_personal_rc_file (expected_dockrc);

  /* Remeber the modtimes and MD5s */
  g_assert (gimp_test_get_file_state_verbose (sessionrc_filename,
                                              &initial_sessionrc_state));
  g_assert (gimp_test_get_file_state_verbose (dockrc_filename,
                                              &initial_dockrc_state));

  /* Use specific input files when restoring the session */
  g_setenv ("GIMP_TESTING_SESSIONRC_NAME", loaded_sessionrc, TRUE /*overwrite*/);
  g_setenv ("GIMP_TESTING_DOCKRC_NAME", loaded_dockrc, TRUE /*overwrite*/);

  /* Start up GIMP */
  gimp = gimp_init_for_gui_testing (TRUE /*show_gui*/);

  /* Let the main loop run until idle to let things stabilize. This
   * includes parsing sessionrc and dockrc
   */
  gimp_test_run_mainloop_until_idle ();

  /* Change the gimp dir to the output dir so files are written there,
   * we don't want to (can't always) write to files in the source
   * dir. There is a hook in Makefile.am that makes sure the output
   * dir exists
   */
  gimp_test_utils_set_gimp2_directory ("GIMP_TESTING_ABS_TOP_BUILDDIR",
                                       "app/tests/gimpdir-output");
  /* Use normal output names */
  g_unsetenv ("GIMP_TESTING_SESSIONRC_NAME");
  g_unsetenv ("GIMP_TESTING_DOCKRC_NAME");

  g_free (sessionrc_filename);
  g_free (dockrc_filename);
  sessionrc_filename = gimp_personal_rc_file ("sessionrc");
  dockrc_filename    = gimp_personal_rc_file ("dockrc");

  /* Exit. This includes writing sessionrc and dockrc*/
  gimp_exit (gimp, TRUE);

  /* Now get the new modtimes and MD5s */
  g_assert (gimp_test_get_file_state_verbose (sessionrc_filename,
                                              &final_sessionrc_state));
  g_assert (gimp_test_get_file_state_verbose (dockrc_filename,
                                              &final_dockrc_state));

  /* If things have gone our way, GIMP will have deserialized
   * sessionrc and dockrc, shown the GUI, and then serialized the new
   * files. To make sure we have new files we check the modtime, and
   * to make sure that their content remains the same we compare their
   * MD5
   */
  g_assert (gimp_test_file_state_changes ("sessionrc",
                                          &initial_sessionrc_state,
                                          &final_sessionrc_state));
  g_assert (gimp_test_file_state_changes ("dockrc",
                                          &initial_dockrc_state,
                                          &final_dockrc_state));
}
int main(int argc, char **argv)
{
  GimpTestFileState  initial_sessionrc_state = { NULL, NULL, { 0, 0 } };
  GimpTestFileState  initial_dockrc_state    = { NULL, NULL, { 0, 0 } };
  GimpTestFileState  final_sessionrc_state   = { NULL, NULL, { 0, 0 } };
  GimpTestFileState  final_dockrc_state      = { NULL, NULL, { 0, 0 } };
  gchar             *sessionrc_filename      = NULL;
  gchar             *dockrc_filename         = NULL;
  gint               result                  = 0;

  gimp_test_bail_if_no_display ();
  gtk_test_init (&argc, &argv, NULL);

  /* Make sure to run this before we use any GIMP functions */
  gimp_test_utils_set_gimp2_directory ("GIMP_TESTING_ABS_TOP_SRCDIR",
                                       "app/tests/gimpdir");
  gimp_test_utils_setup_menus_dir ();

  /* Note that we expect the resulting sessionrc to be different from
   * the read file, which is why we check the MD5 of the -expected
   * variant
   */
  sessionrc_filename = gimp_personal_rc_file ("sessionrc-expected");
  dockrc_filename    = gimp_personal_rc_file ("dockrc-expected");

  /* Remeber the modtimes and MD5s */
  if (!gimp_test_get_file_state_verbose (sessionrc_filename,
                                         &initial_sessionrc_state))
    result = -1;
  if (!gimp_test_get_file_state_verbose (dockrc_filename,
                                         &initial_dockrc_state))
    result = -1;

  /* Start up GIMP */
  gimp = gimp_init_for_gui_testing (TRUE /*show_gui*/);

  /* Let the main loop run until idle to let things stabilize. This
   * includes parsing sessionrc and dockrc
   */
  gimp_test_run_mainloop_until_idle ();

  /* Change the gimp dir to the output dir so files are written there,
   * we don't want to (can't always) write to files in the source
   * dir. There is a hook in Makefile.am that makes sure the output
   * dir exists
   */
  gimp_test_utils_set_gimp2_directory ("GIMP_TESTING_ABS_TOP_BUILDDIR",
                                       "app/tests/gimpdir-output");
  g_free (sessionrc_filename);
  g_free (dockrc_filename);
  sessionrc_filename = gimp_personal_rc_file ("sessionrc");
  dockrc_filename    = gimp_personal_rc_file ("dockrc");

  /* Exit. This includes writing sessionrc and dockrc*/
  gimp_exit (gimp, TRUE);

  /* Now get the new modtimes and MD5s */
  if (!gimp_test_get_file_state_verbose (sessionrc_filename,
                                         &final_sessionrc_state))
    result = -1;
  if (!gimp_test_get_file_state_verbose (dockrc_filename,
                                         &final_dockrc_state))
    result = -1;

  /* If things have gone our way, GIMP will have deserialized
   * sessionrc and dockrc, shown the GUI, and then serialized the new
   * files. To make sure we have new files we check the modtime, and
   * to make sure that their content remains the same we compare their
   * MD5
   */
  if (!gimp_test_file_state_changes ("sessionrc",
                                     &initial_sessionrc_state,
                                     &final_sessionrc_state))
    result = -1;
  if (!gimp_test_file_state_changes ("dockrc",
                                     &initial_dockrc_state,
                                     &final_dockrc_state))
    result = -1;

  if (result == 0)
    g_print ("/gimp-session-management/sessionrc_compatibility: OK\n");

  /* Don't bother freeing stuff, the process is short-lived */
  return result;
}