/*

  * Copyright (C) 2016  J. Ali Harlow <ali@juiblex.co.uk>

  *

  * 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.,

  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

  */

 #include <stdlib.h>

 #include <string.h>

 #include <locale.h>

 #include <sys/stat.h>

 #include <glib.h>

 #include <gdk/gdk.h>

 #include <gtk/gtk.h>

 #include <plover/plover.h>

 #include <plover-gtk/transactionhelper.h>

 GtkBuilder *ui;

 gboolean manual_mode=FALSE;

 PloverTransactionHelper *get_transaction_helper(void)

 {

     const char *dir;

     gchar *s;

     GError *err=NULL;

     PloverTransactionHelper *helper;

     dir=g_getenv("gtk_srcdir");

     s=g_build_filename(dir,"software-installation.ui",NULL);

     ui=gtk_builder_new();

     if (!gtk_builder_add_from_file(ui,s,&err))

 	g_error("%s: %s",s,err->message);

     g_free(s);

     helper=plover_transaction_helper_new(ui);

     g_object_unref(ui);

     return helper;

 }

 static void test_init(void)

 {

     PloverTransactionHelper *helper;

     helper=get_transaction_helper();

     g_object_unref(helper);

 }

 static void test_basic_properties(void)

 {

     const char *prefix;

     GError *err=NULL;

     struct comps *comps;

     PloverTransactionHelper *helper;

     PloverPackageSet *installed;

     PloverRepository *upstream;

     upstream=plover_repository_new_from_yum("../yum-repo-test-dir",&err);

     if (!upstream)

 	g_error("../yum-repo-test-dir: %s",err->message);

     installed=plover_package_set_new_from_installed("../razor-test-dir",&err);

     if (!installed)

 	g_error("../razor-test-dir: %s",err->message);

     helper=get_transaction_helper();

     g_assert(!plover_transaction_helper_get_visible(helper));

     plover_transaction_helper_set_installed(helper,installed);

     g_assert(plover_transaction_helper_get_installed(helper)==installed);

     plover_transaction_helper_set_upstream(helper,upstream);

     g_assert(plover_transaction_helper_get_upstream(helper,&err)==upstream);

     g_assert(!err);

     plover_transaction_helper_set_base(helper,"../yum-repo-test-dir");

     g_assert_cmpstr(plover_transaction_helper_get_base(helper),==,"../yum-repo-test-dir");

     comps=plover_transaction_helper_get_comps(helper,&err);

     g_assert(!err);

     g_assert(plover_comps_lookup_group(comps,"base"));

     prefix=plover_transaction_helper_get_prefix(helper,&err);

     g_assert(!err);

     g_assert_cmpstr(prefix,==,plover_default_prefix_for_vendor("Acme Corporation"));

     g_assert(!plover_transaction_helper_get_visible(helper));

     g_assert(!plover_transaction_helper_get_error(helper,NULL));

     g_object_unref(upstream);

     g_object_unref(installed);

     g_object_unref(helper);

 }

 static void test_install_group(void)

 {

     gchar *root,*root_uri;

     GError *err=NULL;

     GFile *file;

     PloverPackageSet *installed;

     PloverTransactionHelper *helper;

     root=g_strdup("razor-test-dir-XXXXXX");

     g_assert(mkdtemp(root));

     file=g_file_new_for_path(root);

     g_free(root);

     root_uri=g_file_get_uri(file);

     g_object_unref(file);

     g_setenv("RAZOR_ROOT",root_uri,TRUE);

     g_free(root_uri);

     helper=get_transaction_helper();

     installed=plover_package_set_new_from_installed("../razor-test-dir",&err);

     if (!installed)

 	g_error("../razor-test-dir: %s",err->message);

     plover_transaction_helper_set_installed(helper,installed);

     g_object_unref(installed);

     plover_transaction_helper_set_base(helper,"../yum-repo-test-dir");

     if (!plover_transaction_helper_install_group(helper,"base",&err))

 	g_error("base: %s",err->message);

     g_assert(!err);

     g_object_unref(helper);

     g_unsetenv("RAZOR_ROOT");

 }

 static void test_remove_group(void)

 {

     gchar *root,*root_uri;

     GError *err=NULL;

     GFile *file;

     PloverPackageSet *installed;

     PloverTransactionHelper *helper;

     struct plover_vector *packages;

     char *pkgs[]={"zip",NULL};

     root=g_strdup("razor-test-dir-XXXXXX");

     g_assert(mkdtemp(root));

     file=g_file_new_for_path(root);

     root_uri=g_file_get_uri(file);

     g_object_unref(file);

     g_setenv("RAZOR_ROOT",root_uri,TRUE);

     g_free(root_uri);

     helper=get_transaction_helper();

     plover_transaction_helper_set_base(helper,"../yum-repo-test-dir");

     packages=plover_transaction_helper_group_get_default_packages(helper,

       "zappy",&err);

     if (!packages)

 	g_error("zappy: %s",err->message);

     if (!plover_install("../yum-repo-test-dir",NULL,packages->strings,&err))

 	g_error("plover_install: %s",err->message);

     plover_vector_free(packages);

     installed=plover_package_set_new_from_installed(root,&err);

     if (!installed)

 	g_error("%s: %s",root,err->message);

     plover_transaction_helper_set_installed(helper,installed);

     g_object_unref(installed);

     if (!plover_transaction_helper_remove_group(helper,"zappy",&err))

 	g_error("zappy: %s",err->message);

     g_assert(!err);

     g_object_unref(helper);

     g_unsetenv("RAZOR_ROOT");

     g_free(root);

 }

 static void test_update(void)

 {

     gchar *root,*root_uri;

     GError *err=NULL;

     GFile *file;

     PloverPackageSet *installed;

     PloverTransactionHelper *helper;

     root=g_strdup("razor-test-dir-XXXXXX");

     g_assert(mkdtemp(root));

     file=g_file_new_for_path(root);

     g_free(root);

     root_uri=g_file_get_uri(file);

     g_object_unref(file);

     g_setenv("RAZOR_ROOT",root_uri,TRUE);

     g_free(root_uri);

     helper=get_transaction_helper();

     installed=plover_package_set_new_from_installed("../razor-test-dir",&err);

     if (!installed)

 	g_error("../razor-test-dir: %s",err->message);

     plover_transaction_helper_set_installed(helper,installed);

     g_object_unref(installed);

     plover_transaction_helper_set_base(helper,"../yum-repo-test-dir");

     if (plover_transaction_helper_update(helper,&err))

 	g_error("plover_transaction_helper_update reports work to be done");

     g_assert_error(err,PLOVER_GENERAL_ERROR,PLOVER_GENERAL_ERROR_NO_WORK);

     g_object_unref(helper);

     g_unsetenv("RAZOR_ROOT");

 }

 struct run_install_baton {

     enum {

 	RI_STATE_INIT = 0,

 	RI_STATE_SUMMARY,

 	RI_STATE_PROGRESS,

 	RI_STATE_PROGRESS_DELAY,

 	RI_STATE_DONE,

 	RI_STATE_FINISH

     } state;

     guint eid;		/* event ID (or 0) */

     PloverTransactionHelper *helper;

 };

 gboolean run_install_tick(gpointer data)

 {

     gboolean retval=TRUE;

     struct run_install_baton *baton=data;

     GtkWidget *page;

     GtkAssistant *assistant=baton->helper->assistant;

     switch(baton->state)

     {

 	case RI_STATE_INIT:

 	    if (!assistant || !gtk_widget_get_visible(GTK_WIDGET(assistant)))

 		return TRUE;

 	    if (!manual_mode)

 		gtk_button_clicked(GTK_BUTTON(assistant->forward));

 	    break;

 	case RI_STATE_SUMMARY:

 	    if (gtk_assistant_get_current_page(assistant)<1)

 		return TRUE;

 	    if (!manual_mode)

 		gtk_button_clicked(GTK_BUTTON(assistant->apply));

 	    break;

 	case RI_STATE_PROGRESS:

 	    if (gtk_assistant_get_current_page(assistant)<2)

 		return TRUE;

 	    page=gtk_assistant_get_nth_page(assistant,2);

 	    baton->eid=g_timeout_add_seconds(1,run_install_tick,baton);

 	    if (!gtk_assistant_get_page_complete(assistant,page))

 		return FALSE;

 	    else

 		retval=FALSE;

 	    break;

 	case RI_STATE_PROGRESS_DELAY:

 	    retval=FALSE;

 	    baton->eid=g_idle_add_full(G_PRIORITY_LOW,run_install_tick,baton,

 	      NULL);

 	    if (!manual_mode)

 		gtk_button_clicked(GTK_BUTTON(assistant->forward));

 	    break;

 	case RI_STATE_DONE:

 	    if (gtk_assistant_get_current_page(assistant)<3)

 		return TRUE;

 	    if (!manual_mode)

 		gtk_button_clicked(GTK_BUTTON(assistant->close));

 	    break;

 	case RI_STATE_FINISH:

 	    if (assistant && gtk_widget_get_visible(GTK_WIDGET(assistant)))

 		return TRUE;

 	    gtk_main_quit();

 	    baton->eid=0;

 	    return FALSE;

     }

     baton->state++;

     return retval;

 }

 static void test_run_install(void)

 {

     gchar *root,*root_uri;

     GError *err=NULL;

     GFile *file;

     struct plover_vector *packages;

     PloverPackageSet *installed;

     PloverTransactionHelper *helper;

     struct run_install_baton baton={0,};

     root=g_strdup("razor-test-dir-XXXXXX");

     g_assert(mkdtemp(root));

     file=g_file_new_for_path(root);

     root_uri=g_file_get_uri(file);

     g_object_unref(file);

     g_setenv("RAZOR_ROOT",root_uri,TRUE);

     g_free(root_uri);

     helper=get_transaction_helper();

     installed=plover_package_set_new();

     if (!plover_package_set_open(installed,root,TRUE,&err))

 	g_error("%s: %s",root,err->message);

     plover_transaction_helper_set_installed(helper,installed);

     g_object_unref(installed);

     plover_transaction_helper_set_base(helper,"../yum-repo-test-dir");

     packages=plover_vector_new();

     plover_vector_append(packages,"zappy-tools");

     if (!plover_transaction_helper_install_packages(helper,packages,&err))

 	g_error("zappy-tools: %s",err->message);

     g_assert(!err);

     plover_vector_free(packages);

     plover_transaction_helper_present(helper);

     baton.helper=helper;

     baton.eid=g_idle_add_full(G_PRIORITY_LOW,run_install_tick,&baton,NULL);

     gtk_main();

     g_object_unref(helper);

     g_unsetenv("RAZOR_ROOT");

     g_free(root);

 }

 struct run_remove_baton {

     enum {

 	RR_STATE_INIT = 0,

 	RR_STATE_SUMMARY,

 	RR_STATE_PROGRESS,

 	RR_STATE_PROGRESS_DELAY,

 	RR_STATE_DONE,

 	RR_STATE_FINISH

     } state;

     guint eid;		/* event ID (or 0) */

     PloverTransactionHelper *helper;

 };

 gboolean run_remove_tick(gpointer data)

 {

     gboolean retval=TRUE;

     struct run_remove_baton *baton=data;

     GtkWidget *page;

     GtkAssistant *assistant=baton->helper->assistant;

     switch(baton->state)

     {

 	case RR_STATE_INIT:

 	    if (!assistant || !gtk_widget_get_visible(GTK_WIDGET(assistant)))

 		return TRUE;

 	    if (!manual_mode)

 		gtk_button_clicked(GTK_BUTTON(assistant->forward));

 	    break;

 	case RR_STATE_SUMMARY:

 	    if (gtk_assistant_get_current_page(assistant)<1)

 		return TRUE;

 	    if (!manual_mode)

 		gtk_button_clicked(GTK_BUTTON(assistant->apply));

 	    break;

 	case RR_STATE_PROGRESS:

 	    if (gtk_assistant_get_current_page(assistant)<2)

 		return TRUE;

 	    page=gtk_assistant_get_nth_page(assistant,2);

 	    baton->eid=g_timeout_add_seconds(1,run_remove_tick,baton);

 	    if (!gtk_assistant_get_page_complete(assistant,page))

 		return FALSE;

 	    else

 		retval=FALSE;

 	    break;

 	case RR_STATE_PROGRESS_DELAY:

 	    retval=FALSE;

 	    baton->eid=g_idle_add_full(G_PRIORITY_LOW,run_remove_tick,baton,

 	      NULL);

 	    if (!manual_mode)

 		gtk_button_clicked(GTK_BUTTON(assistant->forward));

 	    break;

 	case RR_STATE_DONE:

 	    if (gtk_assistant_get_current_page(assistant)<3)

 		return TRUE;

 	    if (!manual_mode)

 		gtk_button_clicked(GTK_BUTTON(assistant->close));

 	    break;

 	case RR_STATE_FINISH:

 	    if (assistant && gtk_widget_get_visible(GTK_WIDGET(assistant)))

 		return TRUE;

 	    gtk_main_quit();

 	    baton->eid=0;

 	    return FALSE;

     }

     baton->state++;

     return retval;

 }

 static void test_run_remove(void)

 {

     gchar *root,*root_uri;

     GError *err=NULL;

     GFile *file;

     struct plover_vector *packages;

     PloverPackageSet *installed;

     PloverTransactionHelper *helper;

     struct run_remove_baton baton={0,};

     root=g_strdup("razor-test-dir-XXXXXX");

     g_assert(mkdtemp(root));

     file=g_file_new_for_path(root);

     root_uri=g_file_get_uri(file);

     g_object_unref(file);

     g_setenv("RAZOR_ROOT",root_uri,TRUE);

     g_free(root_uri);

     helper=get_transaction_helper();

     plover_transaction_helper_set_base(helper,"../yum-repo-test-dir");

     packages=

       plover_transaction_helper_group_get_default_packages(helper,"zappy",&err);

     if (!packages)

 	g_error("zappy: %s",err->message);

     if (!plover_install("../yum-repo-test-dir",NULL,packages->strings,&err))

 	g_error("plover_install: %s",err->message);

     plover_vector_free(packages);

     installed=plover_package_set_new();

     if (!plover_package_set_open(installed,root,TRUE,&err))

 	g_error("%s: %s",root,err->message);

     plover_transaction_helper_set_installed(helper,installed);

     g_object_unref(installed);

     if (!plover_transaction_helper_remove_group(helper,"zappy",&err))

 	g_error("zappy: %s",err->message);

     g_assert(!err);

     plover_transaction_helper_present(helper);

     baton.helper=helper;

     baton.eid=g_idle_add_full(G_PRIORITY_LOW,run_remove_tick,&baton,NULL);

     gtk_main();

     g_object_unref(helper);

     g_unsetenv("RAZOR_ROOT");

     g_free(root);

 }

 struct run_update_baton {

     enum {

 	RU_STATE_INIT = 0,

 	RU_STATE_SUMMARY,

 	RU_STATE_PROGRESS,

 	RU_STATE_PROGRESS_DELAY,

 	RU_STATE_DONE,

 	RU_STATE_FINISH

     } state;

     guint eid;		/* event ID (or 0) */

     PloverTransactionHelper *helper;

 };

 gboolean run_update_tick(gpointer data)

 {

     gboolean retval=TRUE;

     struct run_update_baton *baton=data;

     GtkWidget *page;

     GtkAssistant *assistant=baton->helper->assistant;

     switch(baton->state)

     {

 	case RU_STATE_INIT:

 	    if (!assistant || !gtk_widget_get_visible(GTK_WIDGET(assistant)))

 		return TRUE;

 	    if (!manual_mode)

 		gtk_button_clicked(GTK_BUTTON(assistant->forward));

 	    break;

 	case RU_STATE_SUMMARY:

 	    if (gtk_assistant_get_current_page(assistant)<1)

 		return TRUE;

 	    if (!manual_mode)

 		gtk_button_clicked(GTK_BUTTON(assistant->apply));

 	    break;

 	case RU_STATE_PROGRESS:

 	    if (gtk_assistant_get_current_page(assistant)<2)

 		return TRUE;

 	    page=gtk_assistant_get_nth_page(assistant,2);

 	    baton->eid=g_timeout_add_seconds(1,run_update_tick,baton);

 	    if (!gtk_assistant_get_page_complete(assistant,page))

 		return FALSE;

 	    else

 		retval=FALSE;

 	    break;

 	case RU_STATE_PROGRESS_DELAY:

 	    retval=FALSE;

 	    baton->eid=g_idle_add_full(G_PRIORITY_LOW,run_update_tick,baton,

 	      NULL);

 	    if (!manual_mode)

 		gtk_button_clicked(GTK_BUTTON(assistant->forward));

 	    break;

 	case RU_STATE_DONE:

 	    if (gtk_assistant_get_current_page(assistant)<3)

 		return TRUE;

 	    if (!manual_mode)

 		gtk_button_clicked(GTK_BUTTON(assistant->close));

 	    break;

 	case RU_STATE_FINISH:

 	    if (assistant && gtk_widget_get_visible(GTK_WIDGET(assistant)))

 		return TRUE;

 	    gtk_main_quit();

 	    baton->eid=0;

 	    return FALSE;

     }

     baton->state++;

     return retval;

 }

 static void test_run_update(void)

 {

     gchar *root,*root_uri;

     GError *err=NULL;

     GFile *file;

     struct razor_importer *importer;

     struct razor_set *downgraded;

     struct razor_atomic *atomic;

     struct plover_vector *packages;

     PloverPackageSet *installed;

     PloverTransactionHelper *helper;

     struct run_update_baton baton={0,};

     root=g_strdup("razor-test-dir-XXXXXX");

     g_assert(mkdtemp(root));

     file=g_file_new_for_path(root);

     root_uri=g_file_get_uri(file);

     g_object_unref(file);

     g_setenv("RAZOR_ROOT",root_uri,TRUE);

     g_free(root_uri);

     helper=get_transaction_helper();

     plover_transaction_helper_set_base(helper,"../yum-repo-test-dir");

     installed=plover_package_set_new();

     if (!plover_package_set_open(installed,root,TRUE,&err))

 	g_error("%s: %s",root,err->message);

     importer=razor_importer_create();

     razor_importer_begin_package(importer,"zappy","0-1","noarch");

     razor_importer_add_details(importer,"","","","");

     razor_importer_add_property(importer,"zappy",RAZOR_PROPERTY_PROVIDES,"0-1");

     razor_importer_finish_package(importer);

     downgraded=razor_importer_finish(importer);

     atomic=razor_atomic_open("Add downgraded packages");

     if (!plover_package_set_update(installed,downgraded,atomic) ||

       razor_atomic_commit(atomic))

 	g_error("%s: %s",root,razor_atomic_get_error_msg(atomic));

     razor_atomic_destroy(atomic);

     razor_set_unref(downgraded);

     plover_transaction_helper_set_installed(helper,installed);

     g_object_unref(installed);

     if (!plover_transaction_helper_update(helper,&err))

 	g_error("update: %s",err->message);

     g_assert(!err);

     plover_transaction_helper_present(helper);

     baton.helper=helper;

     baton.eid=g_idle_add_full(G_PRIORITY_LOW,run_update_tick,&baton,NULL);

     gtk_main();

     g_object_unref(helper);

     g_unsetenv("RAZOR_ROOT");

     g_free(root);

 }

 struct check_vendor_baton {

     enum {

 	CV_STATE_INIT = 0,

 	CV_STATE_SUMMARY,

 	CV_STATE_PROGRESS,

 	CV_STATE_PROGRESS_DELAY,

 	CV_STATE_DONE,

 	CV_STATE_FINISH

     } state;

     guint eid;		/* event ID (or 0) */

     PloverTransactionHelper *helper;

 };

 gboolean check_vendor_tick(gpointer data)

 {

     gboolean retval=TRUE;

     struct check_vendor_baton *baton=data;

     GtkWidget *page,*w;

     GtkAssistant *assistant=baton->helper->assistant;

     switch(baton->state)

     {

 	case CV_STATE_INIT:

 	    if (!assistant || !gtk_widget_get_visible(GTK_WIDGET(assistant)))

 		return TRUE;

 	    if (!manual_mode)

 		gtk_button_clicked(GTK_BUTTON(assistant->forward));

 	    break;

 	case CV_STATE_SUMMARY:

 	    if (gtk_assistant_get_current_page(assistant)<1)

 		return TRUE;

 	    g_assert(!gtk_widget_is_sensitive(assistant->apply));

 	    w=GTK_WIDGET(gtk_builder_get_object(ui,"SIRemoveExisting"));

 	    gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(w),TRUE);

 	    g_assert(gtk_widget_is_sensitive(assistant->apply));

 	    if (!manual_mode)

 		gtk_button_clicked(GTK_BUTTON(assistant->apply));

 	    break;

 	case CV_STATE_PROGRESS:

 	    if (gtk_assistant_get_current_page(assistant)<2)

 		return TRUE;

 	    page=gtk_assistant_get_nth_page(assistant,2);

 	    baton->eid=g_timeout_add_seconds(1,check_vendor_tick,baton);

 	    if (!gtk_assistant_get_page_complete(assistant,page))

 		return FALSE;

 	    else

 		retval=FALSE;

 	    break;

 	case CV_STATE_PROGRESS_DELAY:

 	    retval=FALSE;

 	    baton->eid=g_idle_add_full(G_PRIORITY_LOW,check_vendor_tick,baton,

 	      NULL);

 	    if (!manual_mode)

 		gtk_button_clicked(GTK_BUTTON(assistant->forward));

 	    break;

 	case CV_STATE_DONE:

 	    if (gtk_assistant_get_current_page(assistant)<3)

 		return TRUE;

 	    if (!manual_mode)

 		gtk_button_clicked(GTK_BUTTON(assistant->close));

 	    break;

 	case CV_STATE_FINISH:

 	    if (assistant && gtk_widget_get_visible(GTK_WIDGET(assistant)))

 		return TRUE;

 	    gtk_main_quit();

 	    baton->eid=0;

 	    return FALSE;

     }

     baton->state++;

     return retval;

 }

 static void test_check_vendor(void)

 {

     int fh;

     gchar *root,*root_uri,*s;

     GFile *file;

     GError *err=NULL;

     struct razor_importer *importer;

     struct razor_set *downgraded;

     struct razor_atomic *atomic;

     struct plover_vector *packages;

     PloverPackageSet *installed;

     PloverTransactionHelper *helper;

     struct run_update_baton baton={0,};

     g_setenv("PLOVER_VENDOR_PREFIX","/srv",TRUE);

     root=g_strdup("razor-test-dir-XXXXXX");

     g_assert(mkdtemp(root));

     file=g_file_new_for_path(root);

     root_uri=g_file_get_uri(file);

     g_object_unref(file);

     g_setenv("RAZOR_ROOT",root_uri,TRUE);

     helper=get_transaction_helper();

     plover_transaction_helper_set_check_vendor(helper,TRUE);

     plover_transaction_helper_set_base(helper,"../yum-repo-test-dir");

     installed=plover_package_set_new();

     if (!plover_package_set_open(installed,root,TRUE,&err))

 	g_error("%s: %s",root,err->message);

     importer=razor_importer_create();

     razor_importer_begin_package(importer,"zappy","0-1","noarch");

     razor_importer_add_details(importer,"","","","");

     razor_importer_add_property(importer,"zappy",RAZOR_PROPERTY_PROVIDES,"0-1");

     razor_importer_add_install_prefix(importer,"/test");

     razor_importer_add_file(importer,"/test/bin/zappy");

     razor_importer_finish_package(importer);

     downgraded=razor_importer_finish(importer);

     atomic=razor_atomic_open("Add downgraded packages");

     razor_atomic_make_dirs(atomic,root_uri,"/test/bin/zappy");

     s=g_build_filename(root_uri,"test/bin/zappy",NULL);

     fh=razor_atomic_create_file(atomic,s,S_IRWXU|S_IRWXG|S_IRWXO);

     g_free(s);

     razor_atomic_close(atomic,fh);

     if (!plover_package_set_update(installed,downgraded,atomic) ||

       razor_atomic_commit(atomic))

 	g_error("%s: %s",root,razor_atomic_get_error_msg(atomic));

     razor_atomic_destroy(atomic);

     razor_set_unref(downgraded);

     plover_transaction_helper_set_installed(helper,installed);

     g_object_unref(installed);

     if (!plover_transaction_helper_update(helper,&err))

 	g_error("update: %s",err->message);

     g_assert(!err);

     plover_transaction_helper_present(helper);

     baton.helper=helper;

     baton.eid=g_idle_add_full(G_PRIORITY_LOW,check_vendor_tick,&baton,NULL);

     gtk_main();

     g_object_unref(helper);

     g_unsetenv("RAZOR_ROOT");

     g_free(root);

     g_free(root_uri);

     g_unsetenv("PLOVER_VENDOR_PREFIX");

 }

 struct set_error_baton {

     enum {

 	SE_STATE_INIT = 0,

 	SE_STATE_FINISH

     } state;

     PloverTransactionHelper *helper;

 };

 /*

  * This handler may be called as either an event (ie., idle or timeout)

  * or as a (swapped) signal. In the latter case, the return is ignored.

  */

 gboolean set_error_tick(gpointer data)

 {

     struct set_error_baton *baton=data;

     GtkDialog *dlg;

     GtkWidget *button;

     dlg=GTK_DIALOG(baton->helper->error_dialog);

     switch(baton->state)

     {

 	case SE_STATE_INIT:

 	    if (!dlg || !gtk_widget_get_visible(GTK_WIDGET(dlg)))

 		return TRUE;

 	    button=gtk_dialog_get_widget_for_response(dlg,GTK_RESPONSE_CLOSE);

 	    if (!manual_mode)

 		gtk_button_clicked(GTK_BUTTON(button));

 	    break;

 	case SE_STATE_FINISH:

 	    if (dlg && gtk_widget_get_visible(GTK_WIDGET(dlg)))

 		return TRUE;

 	    gtk_main_quit();

 	    return FALSE;

     }

     baton->state++;

     return TRUE;

 }

 static void test_set_error(void)

 {

     gchar *root,*root_uri;

     const char *errmsg;

     GError *err=NULL;

     const GError *err2=NULL;

     GFile *file;

     PloverPackageSet *installed;

     PloverTransactionHelper *helper;

     struct set_error_baton baton={0,};

     root=g_strdup("razor-test-dir-XXXXXX");

     g_assert(mkdtemp(root));

     file=g_file_new_for_path(root);

     g_free(root);

     root_uri=g_file_get_uri(file);

     g_object_unref(file);

     g_setenv("RAZOR_ROOT",root_uri,TRUE);

     g_free(root_uri);

     helper=get_transaction_helper();

     installed=plover_package_set_new_from_installed("../razor-test-dir",&err);

     if (!installed)

 	g_error("../razor-test-dir: %s",err->message);

     plover_transaction_helper_set_installed(helper,installed);

     g_object_unref(installed);

     plover_transaction_helper_set_base(helper,"../yum-repo-test-dir");

     if (!plover_transaction_helper_update(helper,&err))

 	plover_transaction_helper_set_error(helper,err,"Expected error");

     g_assert(plover_transaction_helper_get_visible(helper));

     errmsg=plover_transaction_helper_get_error(helper,&err2);

     g_assert_cmpstr(errmsg,==,"Expected error");

     g_assert_error(err2,err->domain,err->code);

     plover_transaction_helper_present(helper);

     baton.helper=helper;

     g_idle_add_full(G_PRIORITY_LOW,set_error_tick,&baton,NULL);

     g_error_free(err);

     gtk_main();

     g_object_unref(helper);

     g_unsetenv("RAZOR_ROOT");

 }

 int main(int argc,char **argv)

 {

     int retval;

     GError *err=NULL;

     /*

      * Note that because g_test_init() handles --help,

      * these options will not appear in the output.

      */

     GOptionEntry options[]={

 	{"manual",0,0,G_OPTION_ARG_NONE,&manual_mode,

 	  "Disable automatic mode",NULL},

 	{NULL}

     };

     g_test_init(&argc,&argv,NULL);

     g_setenv("GTK_MODULES","",TRUE);

     g_setenv("GTK2_RC_FILES","/dev/null",TRUE);

     gtk_disable_setlocale();

     setlocale(LC_ALL,"C");

     g_test_bug_base("mailto:ali@juiblex.co.uk");

     if (!gtk_init_with_args(&argc,&argv,NULL,options,NULL,&err))

     {

 	g_printf("%s\n",err->message);

 	exit(0);

     }

     g_test_add_func("/transactionhelper/init",test_init);

     g_test_add_func("/transactionhelper/basic-properties",

       test_basic_properties);

     g_test_add_func("/transactionhelper/install-group",test_install_group);

     g_test_add_func("/transactionhelper/remove-group",test_remove_group);

     g_test_add_func("/transactionhelper/update",test_update);

     g_test_add_func("/transactionhelper/run-install",test_run_install);

     g_test_add_func("/transactionhelper/run-remove",test_run_remove);

     g_test_add_func("/transactionhelper/run-update",test_run_update);

     g_test_add_func("/transactionhelper/check-vendor",test_check_vendor);

     g_test_add_func("/transactionhelper/set-error",test_set_error);

     retval=g_test_run();

     return retval;

 }