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gtk2/gtk/gtktestutils.c

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/* Gtk+ testing utilities
* Copyright (C) 2007 Imendio AB
* Authors: Tim Janik
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/* need to get the prototypes of all get_type functions */
#define GTK_ENABLE_BROKEN
#undef GTK_DISABLE_DEPRECATED
/* Need to get GDK_WINDOW_OBJECT */
#undef GDK_DISABLE_DEPRECATED
#include "config.h"
#include <gtk/gtk.h>
#include "gtkalias.h"
#include <locale.h>
#include <string.h>
#include <math.h>
/**
* SECTION:gtktesting
* @Short_description: Utilities for testing GTK+ applications
* @Title: Testing
*/
/**
* gtk_test_init:
* @argcp: Address of the <parameter>argc</parameter> parameter of the
* main() function. Changed if any arguments were handled.
* @argvp: Address of the <parameter>argv</parameter> parameter of main().
* Any parameters understood by g_test_init() or gtk_init() are
* stripped before return.
* @Varargs: currently unused
*
* This function is used to initialize a GTK+ test program.
*
* It will in turn call g_test_init() and gtk_init() to properly
* initialize the testing framework and graphical toolkit. It'll
* also set the program's locale to "C" and prevent loading of rc
* files and Gtk+ modules. This is done to make tets program
* environments as deterministic as possible.
*
* Like gtk_init() and g_test_init(), any known arguments will be
* processed and stripped from @argc and @argv.
*
* Since: 2.14
**/
void
gtk_test_init (int *argcp,
char ***argvp,
...)
{
g_test_init (argcp, argvp, NULL);
/* - enter C locale
* - call g_test_init();
* - call gtk_init();
* - prevent RC files from loading;
* - prevent Gtk modules from loading;
* - supply mock object for GtkSettings
* FUTURE TODO:
* - this function could install a mock object around GtkSettings
*/
g_setenv ("GTK_MODULES", "", TRUE);
g_setenv ("GTK2_RC_FILES", "/dev/null", TRUE);
gtk_disable_setlocale();
setlocale (LC_ALL, "C");
g_test_bug_base ("http://bugzilla.gnome.org/show_bug.cgi?id=%s");
gtk_init (argcp, argvp);
}
static GSList*
test_find_widget_input_windows (GtkWidget *widget,
gboolean input_only)
{
GList *node, *children;
GSList *matches = NULL;
gpointer udata;
gdk_window_get_user_data (widget->window, &udata);
if (udata == widget && (!input_only || (GDK_IS_WINDOW (widget->window) && GDK_WINDOW_OBJECT (widget->window)->input_only)))
matches = g_slist_prepend (matches, widget->window);
children = gdk_window_get_children (gtk_widget_get_parent_window (widget));
for (node = children; node; node = node->next)
{
gdk_window_get_user_data (node->data, &udata);
if (udata == widget && (!input_only || (GDK_IS_WINDOW (node->data) && GDK_WINDOW_OBJECT (node->data)->input_only)))
matches = g_slist_prepend (matches, node->data);
}
return g_slist_reverse (matches);
}
/**
* gtk_test_widget_send_key
* @widget: Widget to generate a key press and release on.
* @keyval: A Gdk keyboard value.
* @modifiers: Keyboard modifiers the event is setup with.
*
* This function will generate keyboard press and release events in
* the middle of the first GdkWindow found that belongs to @widget.
* For %GTK_NO_WINDOW widgets like GtkButton, this will often be an
* input-only event window. For other widgets, this is usually widget->window.
* Certain caveats should be considered when using this function, in
* particular because the mouse pointer is warped to the key press
* location, see gdk_test_simulate_key() for details.
*
* Returns: wether all actions neccessary for the key event simulation were carried out successfully.
*
* Since: 2.14
**/
gboolean
gtk_test_widget_send_key (GtkWidget *widget,
guint keyval,
GdkModifierType modifiers)
{
gboolean k1res, k2res;
GSList *iwindows = test_find_widget_input_windows (widget, FALSE);
if (!iwindows)
iwindows = test_find_widget_input_windows (widget, TRUE);
if (!iwindows)
return FALSE;
k1res = gdk_test_simulate_key (iwindows->data, -1, -1, keyval, modifiers, GDK_KEY_PRESS);
k2res = gdk_test_simulate_key (iwindows->data, -1, -1, keyval, modifiers, GDK_KEY_RELEASE);
g_slist_free (iwindows);
return k1res && k2res;
}
/**
* gtk_test_widget_click
* @widget: Widget to generate a button click on.
* @button: Number of the pointer button for the event, usually 1, 2 or 3.
* @modifiers: Keyboard modifiers the event is setup with.
*
* This function will generate a @button click (button press and button
* release event) in the middle of the first GdkWindow found that belongs
* to @widget.
* For %GTK_NO_WINDOW widgets like GtkButton, this will often be an
* input-only event window. For other widgets, this is usually widget->window.
* Certain caveats should be considered when using this function, in
* particular because the mouse pointer is warped to the button click
* location, see gdk_test_simulate_button() for details.
*
* Returns: wether all actions neccessary for the button click simulation were carried out successfully.
*
* Since: 2.14
**/
gboolean
gtk_test_widget_click (GtkWidget *widget,
guint button,
GdkModifierType modifiers)
{
gboolean b1res, b2res;
GSList *iwindows = test_find_widget_input_windows (widget, FALSE);
if (!iwindows)
iwindows = test_find_widget_input_windows (widget, TRUE);
if (!iwindows)
return FALSE;
b1res = gdk_test_simulate_button (iwindows->data, -1, -1, button, modifiers, GDK_BUTTON_PRESS);
b2res = gdk_test_simulate_button (iwindows->data, -1, -1, button, modifiers, GDK_BUTTON_RELEASE);
g_slist_free (iwindows);
return b1res && b2res;
}
/**
* gtk_test_spin_button_click
* @spinner: valid GtkSpinButton widget.
* @button: Number of the pointer button for the event, usually 1, 2 or 3.
* @upwards: %TRUE for upwards arrow click, %FALSE for downwards arrow click.
*
* This function will generate a @button click in the upwards or downwards
* spin button arrow areas, usually leading to an increase or decrease of
* spin button's value.
*
* Returns: wether all actions neccessary for the button click simulation were carried out successfully.
*
* Since: 2.14
**/
gboolean
gtk_test_spin_button_click (GtkSpinButton *spinner,
guint button,
gboolean upwards)
{
gboolean b1res = FALSE, b2res = FALSE;
if (spinner->panel)
{
gint width, height, pos;
gdk_drawable_get_size (spinner->panel, &width, &height);
pos = upwards ? 0 : height - 1;
b1res = gdk_test_simulate_button (spinner->panel, width - 1, pos, button, 0, GDK_BUTTON_PRESS);
b2res = gdk_test_simulate_button (spinner->panel, width - 1, pos, button, 0, GDK_BUTTON_RELEASE);
}
return b1res && b2res;
}
/**
* gtk_test_find_label
* @widget: Valid label or container widget.
* @label_pattern: Shell-glob pattern to match a label string.
*
* This function will search @widget and all its descendants for a GtkLabel
* widget with a text string matching @label_pattern.
* The @label_pattern may contain asterisks '*' and question marks '?' as
* placeholders, g_pattern_match() is used for the matching.
* Note that locales other than "C" tend to alter (translate" label strings,
* so this function is genrally only useful in test programs with
* predetermined locales, see gtk_test_init() for more details.
*
* Returns: a GtkLabel widget if any is found.
*
* Since: 2.14
**/
GtkWidget*
gtk_test_find_label (GtkWidget *widget,
const gchar *label_pattern)
{
if (GTK_IS_LABEL (widget))
{
const gchar *text = gtk_label_get_text (GTK_LABEL (widget));
if (g_pattern_match_simple (label_pattern, text))
return widget;
}
if (GTK_IS_CONTAINER (widget))
{
GList *node, *list = gtk_container_get_children (GTK_CONTAINER (widget));
for (node = list; node; node = node->next)
{
GtkWidget *label = gtk_test_find_label (node->data, label_pattern);
if (label)
return label;
}
g_list_free (list);
}
return NULL;
}
static GList*
test_list_descendants (GtkWidget *widget,
GType widget_type)
{
GList *results = NULL;
if (GTK_IS_CONTAINER (widget))
{
GList *node, *list = gtk_container_get_children (GTK_CONTAINER (widget));
for (node = list; node; node = node->next)
{
if (!widget_type || g_type_is_a (G_OBJECT_TYPE (node->data), widget_type))
results = g_list_prepend (results, node->data);
else
results = g_list_concat (results, test_list_descendants (node->data, widget_type));
}
g_list_free (list);
}
return results;
}
static int
widget_geo_dist (GtkWidget *a,
GtkWidget *b,
GtkWidget *base)
{
int ax0, ay0, ax1, ay1, bx0, by0, bx1, by1, xdist = 0, ydist = 0;
if (!gtk_widget_translate_coordinates (a, base, 0, 0, &ax0, &ay0) ||
!gtk_widget_translate_coordinates (a, base, a->allocation.width, a->allocation.height, &ax1, &ay1))
return -G_MAXINT;
if (!gtk_widget_translate_coordinates (b, base, 0, 0, &bx0, &by0) ||
!gtk_widget_translate_coordinates (b, base, b->allocation.width, b->allocation.height, &bx1, &by1))
return +G_MAXINT;
if (bx0 >= ax1)
xdist = bx0 - ax1;
else if (ax0 >= bx1)
xdist = ax0 - bx1;
if (by0 >= ay1)
ydist = by0 - ay1;
else if (ay0 >= by1)
ydist = ay0 - by1;
return xdist + ydist;
}
static int
widget_geo_cmp (gconstpointer a,
gconstpointer b,
gpointer user_data)
{
gpointer *data = user_data;
GtkWidget *wa = (void*) a, *wb = (void*) b, *toplevel = data[0], *base_widget = data[1];
int adist = widget_geo_dist (wa, base_widget, toplevel);
int bdist = widget_geo_dist (wb, base_widget, toplevel);
return adist > bdist ? +1 : adist == bdist ? 0 : -1;
}
/**
* gtk_test_find_sibling
* @base_widget: Valid widget, part of a widget hierarchy
* @widget_type: Type of a aearched for sibling widget
*
* This function will search siblings of @base_widget and siblings of its
* ancestors for all widgets matching @widget_type.
* Of the matching widgets, the one that is geometrically closest to
* @base_widget will be returned.
* The general purpose of this function is to find the most likely "action"
* widget, relative to another labeling widget. Such as finding a
* button or text entry widget, given it's corresponding label widget.
*
* Returns: a widget of type @widget_type if any is found.
*
* Since: 2.14
**/
GtkWidget*
gtk_test_find_sibling (GtkWidget *base_widget,
GType widget_type)
{
GList *siblings = NULL;
GtkWidget *tmpwidget = base_widget;
gpointer data[2];
/* find all sibling candidates */
while (tmpwidget)
{
tmpwidget = tmpwidget->parent;
siblings = g_list_concat (siblings, test_list_descendants (tmpwidget, widget_type));
}
/* sort them by distance to base_widget */
data[0] = gtk_widget_get_toplevel (base_widget);
data[1] = base_widget;
siblings = g_list_sort_with_data (siblings, widget_geo_cmp, data);
/* pick nearest != base_widget */
siblings = g_list_remove (siblings, base_widget);
tmpwidget = siblings ? siblings->data : NULL;
g_list_free (siblings);
return tmpwidget;
}
/**
* gtk_test_find_widget
* @widget: Container widget, usually a GtkWindow.
* @label_pattern: Shell-glob pattern to match a label string.
* @widget_type: Type of a aearched for label sibling widget.
*
* This function will search the descendants of @widget for a widget
* of type @widget_type that has a label matching @label_pattern next
* to it. This is most useful for automated GUI testing, e.g. to find
* the "OK" button in a dialog and synthesize clicks on it.
* However see gtk_test_find_label(), gtk_test_find_sibling() and
* gtk_test_widget_click() for possible caveats involving the search of
* such widgets and synthesizing widget events.
*
* Returns: a valid widget if any is found or %NULL.
*
* Since: 2.14
**/
GtkWidget*
gtk_test_find_widget (GtkWidget *widget,
const gchar *label_pattern,
GType widget_type)
{
GtkWidget *label = gtk_test_find_label (widget, label_pattern);
if (!label)
label = gtk_test_find_label (gtk_widget_get_toplevel (widget), label_pattern);
if (label)
return gtk_test_find_sibling (label, widget_type);
return NULL;
}
/**
* gtk_test_slider_set_perc
* @widget: valid widget pointer.
* @percentage: value between 0 and 100.
*
* This function will adjust the slider position of all GtkRange
* based widgets, such as scrollbars or scales, it'll also adjust
* spin buttons. The adjustment value of these widgets is set to
* a value between the lower and upper limits, according to the
* @percentage argument.
*
* Since: 2.14
**/
void
gtk_test_slider_set_perc (GtkWidget *widget,
double percentage)
{
GtkAdjustment *adjustment = NULL;
if (GTK_IS_RANGE (widget))
adjustment = gtk_range_get_adjustment (GTK_RANGE (widget));
else if (GTK_IS_SPIN_BUTTON (widget))
adjustment = gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON (widget));
if (adjustment)
gtk_adjustment_set_value (adjustment, adjustment->lower + (adjustment->upper - adjustment->lower - adjustment->page_size) * percentage * 0.01);
}
/**
* gtk_test_slider_get_value
* @widget: valid widget pointer.
*
* Retrive the literal adjustment value for GtkRange based
* widgets and spin buttons. Note that the value returned by
* this function is anything between the lower and upper bounds
* of the adjustment belonging to @widget, and is not a percentage
* as passed in to gtk_test_slider_set_perc().
*
* Returns: adjustment->value for an adjustment belonging to @widget.
*
* Since: 2.14
**/
double
gtk_test_slider_get_value (GtkWidget *widget)
{
GtkAdjustment *adjustment = NULL;
if (GTK_IS_RANGE (widget))
adjustment = gtk_range_get_adjustment (GTK_RANGE (widget));
else if (GTK_IS_SPIN_BUTTON (widget))
adjustment = gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON (widget));
return adjustment ? adjustment->value : 0;
}
/**
* gtk_test_text_set
* @widget: valid widget pointer.
* @string: a 0-terminated C string
*
* Set the text string of @widget to @string if it is a GtkLabel,
* GtkEditable (entry and text widgets) or GtkTextView.
*
* Since: 2.14
**/
void
gtk_test_text_set (GtkWidget *widget,
const gchar *string)
{
if (GTK_IS_LABEL (widget))
gtk_label_set_text (GTK_LABEL (widget), string);
else if (GTK_IS_EDITABLE (widget))
{
int pos = 0;
gtk_editable_delete_text (GTK_EDITABLE (widget), 0, -1);
gtk_editable_insert_text (GTK_EDITABLE (widget), string, -1, &pos);
}
else if (GTK_IS_TEXT_VIEW (widget))
{
GtkTextBuffer *tbuffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (widget));
gtk_text_buffer_set_text (tbuffer, string, -1);
}
}
/**
* gtk_test_text_get
* @widget: valid widget pointer.
*
* Retrive the text string of @widget if it is a GtkLabel,
* GtkEditable (entry and text widgets) or GtkTextView.
*
* Returns: new 0-terminated C string, needs to be released with g_free().
*
* Since: 2.14
**/
gchar*
gtk_test_text_get (GtkWidget *widget)
{
if (GTK_IS_LABEL (widget))
return g_strdup (gtk_label_get_text (GTK_LABEL (widget)));
else if (GTK_IS_EDITABLE (widget))
{
return g_strdup (gtk_editable_get_chars (GTK_EDITABLE (widget), 0, -1));
}
else if (GTK_IS_TEXT_VIEW (widget))
{
GtkTextBuffer *tbuffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (widget));
GtkTextIter start, end;
gtk_text_buffer_get_start_iter (tbuffer, &start);
gtk_text_buffer_get_end_iter (tbuffer, &end);
return gtk_text_buffer_get_text (tbuffer, &start, &end, FALSE);
}
return NULL;
}
/**
* gtk_test_create_widget
* @widget_type: a valid widget type.
* @first_property_name: (allow-none): Name of first property to set or %NULL
* @Varargs: value to set the first property to, followed by more
* name-value pairs, terminated by %NULL
*
* This function wraps g_object_new() for widget types.
* It'll automatically show all created non window widgets, also
* g_object_ref_sink() them (to keep them alive across a running test)
* and set them up for destruction during the next test teardown phase.
*
* Returns: a newly created widget.
*
* Since: 2.14
*/
GtkWidget*
gtk_test_create_widget (GType widget_type,
const gchar *first_property_name,
...)
{
GtkWidget *widget;
va_list var_args;
g_return_val_if_fail (g_type_is_a (widget_type, GTK_TYPE_WIDGET), NULL);
va_start (var_args, first_property_name);
widget = (GtkWidget*) g_object_new_valist (widget_type, first_property_name, var_args);
va_end (var_args);
if (widget)
{
if (!GTK_IS_WINDOW (widget))
gtk_widget_show (widget);
g_object_ref_sink (widget);
g_test_queue_unref (widget);
g_test_queue_destroy ((GDestroyNotify) gtk_widget_destroy, widget);
}
return widget;
}
static void
try_main_quit (void)
{
if (gtk_main_level())
gtk_main_quit();
}
static int
test_increment_intp (int *intp)
{
*intp += 1;
return 1; /* TRUE in case we're connected to event signals */
}
/**
* gtk_test_display_button_window
* @window_title: Title of the window to be displayed.
* @dialog_text: Text inside the window to be displayed.
* @...: %NULL terminated list of (const char *label, int *nump) pairs.
*
* Create a window with window title @window_title, text contents @dialog_text,
* and a number of buttons, according to the paired argument list given
* as @... parameters.
* Each button is created with a @label and a ::clicked signal handler that
* incremrents the integer stored in @nump.
* The window will be automatically shown with gtk_widget_show_now() after
* creation, so when this function returns it has already been mapped,
* resized and positioned on screen.
* The window will quit any running gtk_main()-loop when destroyed, and it
* will automatically be destroyed upon test function teardown.
*
* Returns: a widget pointer to the newly created GtkWindow.
*
* Since: 2.14
**/
GtkWidget*
gtk_test_display_button_window (const gchar *window_title,
const gchar *dialog_text,
...) /* NULL terminated list of (label, &int) pairs */
{
va_list var_args;
GtkWidget *window = gtk_test_create_widget (GTK_TYPE_WINDOW, "title", window_title, NULL);
GtkWidget *vbox = gtk_test_create_widget (GTK_TYPE_VBOX, "parent", window, NULL);
const char *arg1;
gtk_test_create_widget (GTK_TYPE_LABEL, "label", dialog_text, "parent", vbox, NULL);
g_signal_connect (window, "destroy", G_CALLBACK (try_main_quit), NULL);
va_start (var_args, dialog_text);
arg1 = va_arg (var_args, const char*);
while (arg1)
{
int *arg2 = va_arg (var_args, int*);
GtkWidget *button = gtk_test_create_widget (GTK_TYPE_BUTTON, "label", arg1, "parent", vbox, NULL);
g_signal_connect_swapped (button, "clicked", G_CALLBACK (test_increment_intp), arg2);
arg1 = va_arg (var_args, const char*);
}
va_end (var_args);
gtk_widget_show_all (vbox);
gtk_widget_show_now (window);
while (gtk_events_pending ())
gtk_main_iteration ();
return window;
}
/**
* gtk_test_create_simple_window
* @window_title: Title of the window to be displayed.
* @dialog_text: Text inside the window to be displayed.
*
* Create a simple window with window title @window_title and
* text contents @dialog_text.
* The window will quit any running gtk_main()-loop when destroyed, and it
* will automatically be destroyed upon test function teardown.
*
* Returns: a widget pointer to the newly created GtkWindow.
*
* Since: 2.14
**/
GtkWidget*
gtk_test_create_simple_window (const gchar *window_title,
const gchar *dialog_text)
{
GtkWidget *window = gtk_test_create_widget (GTK_TYPE_WINDOW, "title", window_title, NULL);
GtkWidget *vbox = gtk_test_create_widget (GTK_TYPE_VBOX, "parent", window, NULL);
gtk_test_create_widget (GTK_TYPE_LABEL, "label", dialog_text, "parent", vbox, NULL);
g_signal_connect (window, "destroy", G_CALLBACK (try_main_quit), NULL);
gtk_widget_show_all (vbox);
return window;
}
static GType *all_registered_types = NULL;
static guint n_all_registered_types = 0;
/**
* gtk_test_list_all_types
* @n_types: location to store number of types
* @returns: 0-terminated array of type ids
*
* Return the type ids that have been registered after
* calling gtk_test_register_all_types().
*
* Since: 2.14
**/
const GType*
gtk_test_list_all_types (guint *n_types)
{
if (n_types)
*n_types = n_all_registered_types;
return all_registered_types;
}
/**
* gtk_test_register_all_types
*
* Force registration of all core Gtk+ and Gdk object types.
* This allowes to refer to any of those object types via
* g_type_from_name() after calling this function.
*
* Since: 2.14
**/
void
gtk_test_register_all_types (void)
{
if (!all_registered_types)
{
const guint max_gtk_types = 999;
GType *tp;
all_registered_types = g_new0 (GType, max_gtk_types);
tp = all_registered_types;
#include "gtktypefuncs.c"
n_all_registered_types = tp - all_registered_types;
g_assert (n_all_registered_types + 1 < max_gtk_types);
*tp = 0;
}
}
#define __GTK_TEST_UTILS_C__
#include "gtkaliasdef.c"
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