gtk2/tests/css/parser/test-css-parser.c

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/*
* Copyright (C) 2011 Red Hat Inc.
*
* Author:
* Benjamin Otte <otte@redhat.com>
*
* 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, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <string.h>
#include <glib/gstdio.h>
#include <gtk/gtk.h>
static char *
test_get_reference_file (const char *css_file)
{
GString *file = g_string_new (NULL);
if (g_str_has_suffix (css_file, ".css"))
g_string_append_len (file, css_file, strlen (css_file) - 4);
else
g_string_append (file, css_file);
g_string_append (file, ".ref.css");
if (!g_file_test (file->str, G_FILE_TEST_EXISTS))
{
g_string_free (file, TRUE);
return g_strdup (css_file);
}
return g_string_free (file, FALSE);
}
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static char *
test_get_errors_file (const char *css_file)
{
GString *file = g_string_new (NULL);
if (g_str_has_suffix (css_file, ".css"))
g_string_append_len (file, css_file, strlen (css_file) - 4);
else
g_string_append (file, css_file);
g_string_append (file, ".errors");
if (!g_file_test (file->str, G_FILE_TEST_EXISTS))
{
g_string_free (file, TRUE);
return NULL;
}
return g_string_free (file, FALSE);
}
static char *
diff_with_file (const char *file1,
char *text,
gssize len,
GError **error)
{
const char *command[] = { "diff", "-u", file1, NULL, NULL };
char *diff, *tmpfile;
int fd;
diff = NULL;
if (len < 0)
len = strlen (text);
/* write the text buffer to a temporary file */
fd = g_file_open_tmp (NULL, &tmpfile, error);
if (fd < 0)
return NULL;
if (write (fd, text, len) != (int) len)
{
close (fd);
g_set_error (error,
G_FILE_ERROR, G_FILE_ERROR_FAILED,
"Could not write data to temporary file '%s'", tmpfile);
goto done;
}
close (fd);
command[3] = tmpfile;
/* run diff command */
g_spawn_sync (NULL,
(char **) command,
NULL,
G_SPAWN_SEARCH_PATH,
NULL, NULL,
&diff,
NULL, NULL,
error);
done:
g_unlink (tmpfile);
g_free (tmpfile);
return diff;
}
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static void
parsing_error_cb (GtkCssProvider *provider,
const gchar *path,
guint line,
guint position,
const GError * error,
GString * errors)
{
char *basename;
g_assert (path);
g_assert (line > 0);
basename = g_path_get_basename (path);
g_string_append_printf (errors,
"%s:%u: error: %s %u\n",
basename, line,
g_quark_to_string (error->domain),
error->code);
g_free (basename);
}
static void
test_css_file (GFile *file)
{
GtkCssProvider *provider;
char *css, *diff;
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char *css_file, *reference_file, *errors_file;
GString *errors;
GError *error = NULL;
css_file = g_file_get_path (file);
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errors = g_string_new ("");
provider = gtk_css_provider_new ();
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g_signal_connect (provider,
"parsing-error",
G_CALLBACK (parsing_error_cb),
errors);
gtk_css_provider_load_from_path (provider,
css_file,
&error);
g_assert_no_error (error);
css = gtk_css_provider_to_string (provider);
g_assert_no_error (error);
reference_file = test_get_reference_file (css_file);
diff = diff_with_file (reference_file, css, -1, &error);
g_assert_no_error (error);
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if (diff && diff[0])
{
g_test_message ("%s", diff);
g_assert_not_reached ();
}
g_free (css);
g_free (reference_file);
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errors_file = test_get_errors_file (css_file);
if (errors_file)
{
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diff = diff_with_file (errors_file, errors->str, errors->len, &error);
g_assert_no_error (error);
if (diff && diff[0])
{
g_test_message ("%s", diff);
g_assert_not_reached ();
}
}
else if (errors->str[0])
{
g_test_message ("Unexpected errors:\n%s", errors->str);
g_assert_not_reached ();
}
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g_free (errors_file);
g_string_free (errors, TRUE);
g_free (diff);
g_free (css_file);
}
int
main (int argc, char **argv)
{
const char *basedir;
GError *error = NULL;
GFile *dir;
GFileEnumerator *enumerator;
GFileInfo *info;
gtk_test_init (&argc, &argv);
if (g_getenv ("srcdir"))
basedir = g_getenv ("srcdir");
else
basedir = ".";
dir = g_file_new_for_path (basedir);
enumerator = g_file_enumerate_children (dir, G_FILE_ATTRIBUTE_STANDARD_NAME, 0, NULL, &error);
g_assert_no_error (error);
while ((info = g_file_enumerator_next_file (enumerator, NULL, &error)))
{
GFile *file;
const char *filename;
filename = g_file_info_get_name (info);
if (!g_str_has_suffix (filename, ".css") ||
g_str_has_suffix (filename, ".out.css") ||
g_str_has_suffix (filename, ".ref.css"))
{
g_object_unref (info);
continue;
}
file = g_file_get_child (dir, filename);
g_test_add_vtable (g_file_get_path (file),
0,
file,
NULL,
(GTestFixtureFunc) test_css_file,
(GTestFixtureFunc) g_object_unref);
g_object_unref (info);
}
g_assert_no_error (error);
g_object_unref (enumerator);
return g_test_run ();
}