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/*
* Copyright (C) 2011 Red Hat Inc.
*
* Author:
* Benjamin Otte <otte@gnome.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "reftest-compare.h"
#include "reftest-module.h"
#include "reftest-snapshot.h"
#include <string.h>
#include <glib/gstdio.h>
#include <gtk/gtk.h>
typedef enum {
SNAPSHOT_WINDOW,
SNAPSHOT_DRAW
} SnapshotMode;
/* This is exactly the style information you've been looking for */
#define GTK_STYLE_PROVIDER_PRIORITY_FORCE G_MAXUINT
static char *arg_output_dir = NULL;
static char *arg_base_dir = NULL;
static char *arg_direction = NULL;
static char *arg_compare_dir = NULL;
static const GOptionEntry test_args[] = {
{ "output", 'o', 0, G_OPTION_ARG_FILENAME, &arg_output_dir,
"Directory to save image files to", "DIR" },
{ "directory", 'd', 0, G_OPTION_ARG_FILENAME, &arg_base_dir,
"Directory to run tests from", "DIR" },
{ "direction", 0, 0, G_OPTION_ARG_STRING, &arg_direction,
"Set text direction", "ltr|rtl" },
{ "compare-with", 0, 0, G_OPTION_ARG_FILENAME, &arg_compare_dir,
"Directory to compare with", "DIR" },
{ NULL }
};
static gboolean
parse_command_line (int *argc, char ***argv)
{
GError *error = NULL;
GOptionContext *context;
char *schema_dir;
context = g_option_context_new ("- run GTK reftests");
g_option_context_add_main_entries (context, test_args, NULL);
g_option_context_set_ignore_unknown_options (context, TRUE);
if (!g_option_context_parse (context, argc, argv, &error))
{
g_print ("option parsing failed: %s\n", error->message);
return FALSE;
}
gtk_test_init (argc, argv);
/* g_test_build_filename must be called after gtk_test_init */
schema_dir = g_test_build_filename (G_TEST_BUILT, "", NULL);
g_setenv ("GSETTINGS_SCHEMA_DIR", schema_dir, TRUE);
g_free (schema_dir);
if (g_strcmp0 (arg_direction, "rtl") == 0)
gtk_widget_set_default_direction (GTK_TEXT_DIR_RTL);
else if (g_strcmp0 (arg_direction, "ltr") == 0)
gtk_widget_set_default_direction (GTK_TEXT_DIR_LTR);
else if (arg_direction != NULL)
g_printerr ("Invalid argument passed to --direction argument. Valid arguments are 'ltr' and 'rtl'\n");
return TRUE;
}
static const char *
get_output_dir (void)
{
static const char *output_dir = NULL;
GError *error = NULL;
if (output_dir)
return output_dir;
if (arg_output_dir)
{
GFile *file = g_file_new_for_commandline_arg (arg_output_dir);
output_dir = g_file_get_path (file);
g_object_unref (file);
}
else
{
output_dir = g_get_tmp_dir ();
}
if (!g_file_test (output_dir, G_FILE_TEST_EXISTS))
{
GFile *file;
file = g_file_new_for_path (output_dir);
g_assert (g_file_make_directory_with_parents (file, NULL, &error));
g_assert_no_error (error);
g_object_unref (file);
}
return output_dir;
}
static void
get_components_of_test_file (const char *test_file,
char **directory,
char **basename)
{
if (directory)
{
*directory = g_path_get_dirname (test_file);
}
if (basename)
{
char *base = g_path_get_basename (test_file);
if (g_str_has_suffix (base, ".ui"))
base[strlen (base) - strlen (".ui")] = '\0';
*basename = base;
}
}
static char *
get_output_file (const char *test_file,
const char *extension)
{
const char *output_dir = get_output_dir ();
char *result, *base;
get_components_of_test_file (test_file, NULL, &base);
result = g_strconcat (output_dir, G_DIR_SEPARATOR_S, base, extension, NULL);
g_free (base);
return result;
}
static char *
get_test_file (const char *test_file,
const char *extension,
gboolean must_exist)
{
GString *file = g_string_new (NULL);
char *dir, *base;
get_components_of_test_file (test_file, &dir, &base);
file = g_string_new (dir);
g_string_append (file, G_DIR_SEPARATOR_S);
g_string_append (file, base);
g_string_append (file, extension);
g_free (dir);
g_free (base);
if (must_exist &&
!g_file_test (file->str, G_FILE_TEST_EXISTS))
{
g_string_free (file, TRUE);
return NULL;
}
return g_string_free (file, FALSE);
}
static char *
get_reference_image (const char *ui_file)
{
char *base;
char *reference_image;
if (!arg_compare_dir)
return NULL;
get_components_of_test_file (ui_file, NULL, &base);
reference_image = g_strconcat (arg_compare_dir, G_DIR_SEPARATOR_S, base, ".out.png", NULL);
g_free (base);
if (!g_file_test (reference_image, G_FILE_TEST_EXISTS))
{
g_free (reference_image);
return NULL;
}
return reference_image;
}
static GtkStyleProvider *
add_extra_css (const char *testname,
const char *extension)
{
GtkStyleProvider *provider = NULL;
char *css_file;
css_file = get_test_file (testname, extension, TRUE);
if (css_file == NULL)
return NULL;
provider = GTK_STYLE_PROVIDER (gtk_css_provider_new ());
gtk_css_provider_load_from_path (GTK_CSS_PROVIDER (provider),
css_file,
NULL);
gtk_style_context_add_provider_for_screen (gdk_screen_get_default (),
provider,
GTK_STYLE_PROVIDER_PRIORITY_FORCE);
g_free (css_file);
return provider;
}
static void
remove_extra_css (GtkStyleProvider *provider)
{
if (provider == NULL)
return;
gtk_style_context_remove_provider_for_screen (gdk_screen_get_default (),
provider);
}
static void
save_image (cairo_surface_t *surface,
const char *test_name,
const char *extension)
{
char *filename = get_output_file (test_name, extension);
g_test_message ("Storing test result image at %s", filename);
g_assert (cairo_surface_write_to_png (surface, filename) == CAIRO_STATUS_SUCCESS);
g_free (filename);
}
static gboolean
known_fail(const char *test_name)
{
char *filename = get_test_file (test_name, ".ui.known_fail", TRUE);
if (filename)
{
g_free (filename);
return TRUE;
}
return FALSE;
}
static void
test_ui_file (GFile *file)
{
char *ui_file, *reference_file;
cairo_surface_t *ui_image, *reference_image, *diff_image;
GtkStyleProvider *provider;
ui_file = g_file_get_path (file);
provider = add_extra_css (ui_file, ".css");
ui_image = reftest_snapshot_ui_file (ui_file);
if ((reference_file = get_reference_image (ui_file)) != NULL)
reference_image = cairo_image_surface_create_from_png (reference_file);
else if ((reference_file = get_test_file (ui_file, ".ref.ui", TRUE)) != NULL)
reference_image = reftest_snapshot_ui_file (reference_file);
else
{
reference_image = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 1, 1);
g_test_message ("No reference image.");
g_test_fail ();
}
g_free (reference_file);
diff_image = reftest_compare_surfaces (ui_image, reference_image);
save_image (ui_image, ui_file, ".out.png");
save_image (reference_image, ui_file, ".ref.png");
if (diff_image)
{
save_image (diff_image, ui_file, ".diff.png");
if (known_fail(ui_file))
{
printf("KNOWN FAIL: ");
g_test_message ("KNOWN FAIL: %s", ui_file);
}
else
g_test_fail ();
}
remove_extra_css (provider);
}
static int
compare_files (gconstpointer a, gconstpointer b)
{
GFile *file1 = G_FILE (a);
GFile *file2 = G_FILE (b);
char *path1, *path2;
int result;
path1 = g_file_get_path (file1);
path2 = g_file_get_path (file2);
result = strcmp (path1, path2);
g_free (path1);
g_free (path2);
return result;
}
static void
add_test_for_file (GFile *file)
{
GFileEnumerator *enumerator;
GFileInfo *info;
GList *files;
GError *error = NULL;
if (g_file_query_file_type (file, 0, NULL) != G_FILE_TYPE_DIRECTORY)
{
g_test_add_vtable (g_file_get_path (file),
0,
g_object_ref (file),
NULL,
(GTestFixtureFunc) test_ui_file,
(GTestFixtureFunc) g_object_unref);
return;
}
enumerator = g_file_enumerate_children (file, G_FILE_ATTRIBUTE_STANDARD_NAME, 0, NULL, &error);
g_assert_no_error (error);
files = NULL;
while ((info = g_file_enumerator_next_file (enumerator, NULL, &error)))
{
const char *filename;
filename = g_file_info_get_name (info);
if (!g_str_has_suffix (filename, ".ui") ||
g_str_has_suffix (filename, ".ref.ui"))
{
g_object_unref (info);
continue;
}
files = g_list_prepend (files, g_file_get_child (file, filename));
g_object_unref (info);
}
g_assert_no_error (error);
g_object_unref (enumerator);
files = g_list_sort (files, compare_files);
g_list_foreach (files, (GFunc) add_test_for_file, NULL);
g_list_free_full (files, g_object_unref);
}
int
main (int argc, char **argv)
{
const char *basedir;
/* I don't want to fight fuzzy scaling algorithms in GPUs,
* so unless you explicitly set it to something else, we
* will use Cairo's image surface.
*/
g_setenv ("GDK_RENDERING", "image", FALSE);
if (!parse_command_line (&argc, &argv))
return 1;
if (arg_base_dir)
basedir = arg_base_dir;
else
basedir = g_test_get_dir (G_TEST_DIST);
if (argc < 2)
{
GFile *dir;
dir = g_file_new_for_path (basedir);
add_test_for_file (dir);
g_object_unref (dir);
}
else
{
guint i;
for (i = 1; i < argc; i++)
{
GFile *file = g_file_new_for_commandline_arg (argv[i]);
add_test_for_file (file);
g_object_unref (file);
}
}
/* We need to ensure the process' current working directory
* is the same as the reftest data, because we're using the
* "file" property of GtkImage as a relative path in builder files.
*/
chdir (basedir);
return g_test_run ();
}
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