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
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#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;
}
static void
append_error_value (GString *string,
GType enum_type,
guint value)
{
GEnumClass *enum_class;
GEnumValue *enum_value;
enum_class = g_type_class_ref (enum_type);
enum_value = g_enum_get_value (enum_class, value);
g_string_append (string, enum_value->value_name);
g_type_class_unref (enum_class);
}
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static void
parsing_error_cb (GtkCssProvider *provider,
GtkCssSection *section,
const GError *error,
GString *errors)
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{
char *basename;
basename = g_file_get_basename (gtk_css_section_get_file (section));
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g_string_append_printf (errors,
"%s:%u: error: ",
basename, gtk_css_section_get_end_line (section) + 1);
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g_free (basename);
if (error->domain == GTK_CSS_PROVIDER_ERROR)
append_error_value (errors, GTK_TYPE_CSS_PROVIDER_ERROR, error->code);
else
g_string_append_printf (errors,
"%s %u\n",
g_quark_to_string (error->domain),
error->code);
g_string_append_c (errors, '\n');
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}
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,
NULL);
css = gtk_css_provider_to_string (provider);
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 ("Resulting CSS doesn't match reference:\n%s", diff);
g_test_fail ();
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}
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 ("Errors don't match expected errors:\n%s", diff);
g_test_fail ();
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}
}
else if (errors->str[0])
{
g_test_message ("Unexpected errors:\n%s", errors->str);
g_test_fail ();
}
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g_free (errors_file);
g_string_free (errors, TRUE);
g_free (diff);
g_free (css_file);
}
static void
add_test_for_file (GFile *file)
{
g_test_add_vtable (g_file_get_path (file),
0,
g_object_ref (file),
NULL,
(GTestFixtureFunc) test_css_file,
(GTestFixtureFunc) g_object_unref);
}
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_tests_for_files_in_directory (GFile *dir)
{
GFileEnumerator *enumerator;
GFileInfo *info;
GList *files;
GError *error = NULL;
enumerator = g_file_enumerate_children (dir, 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, ".css") ||
g_str_has_suffix (filename, ".out.css") ||
g_str_has_suffix (filename, ".ref.css"))
{
g_object_unref (info);
continue;
}
files = g_list_prepend (files, g_file_get_child (dir, 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);
}
static gboolean
parse_uint8 (const char *string,
GValue *value,
GError **error)
{
g_value_set_uchar (value, 42);
return TRUE;
}
int
main (int argc, char **argv)
{
gtk_test_init (&argc, &argv);
/* Add a bunch of properties so we can test that we parse them properly */
gtk_style_properties_register_property (NULL,
g_param_spec_boolean ("boolean-property",
"boolean property",
"test boolean properties",
TRUE,
G_PARAM_READABLE));
gtk_style_properties_register_property (NULL,
g_param_spec_int ("int-property",
"int property",
"test int properties",
G_MININT, G_MAXINT, 0,
G_PARAM_READABLE));
gtk_style_properties_register_property (NULL,
g_param_spec_uint ("uint-property",
"uint property",
"test uint properties",
0, G_MAXUINT, 0,
G_PARAM_READABLE));
gtk_style_properties_register_property (NULL,
g_param_spec_float ("float-property",
"float property",
"test float properties",
-G_MAXFLOAT, G_MAXFLOAT, 0.0f,
G_PARAM_READABLE));
gtk_style_properties_register_property (NULL,
g_param_spec_double ("double-property",
"double property",
"test double properties",
-G_MAXDOUBLE, G_MAXDOUBLE, 0.0,
G_PARAM_READABLE));
gtk_style_properties_register_property (NULL,
g_param_spec_string ("string-property",
"string property",
"test string properties",
NULL,
G_PARAM_READABLE));
gtk_style_properties_register_property (NULL,
g_param_spec_boxed ("rgba-property",
"rgba property",
"test rgba properties",
GDK_TYPE_RGBA,
G_PARAM_READABLE));
gtk_style_properties_register_property (NULL,
g_param_spec_boxed ("color-property",
"color property",
"test color properties",
GDK_TYPE_COLOR,
G_PARAM_READABLE));
gtk_style_properties_register_property (NULL,
g_param_spec_boxed ("border-property",
"border property",
"test border properties",
GTK_TYPE_BORDER,
G_PARAM_READABLE));
gtk_style_properties_register_property (NULL,
g_param_spec_boxed ("font-property",
"font property",
"test font properties",
PANGO_TYPE_FONT_DESCRIPTION,
G_PARAM_READABLE));
#if 0
/* not public API, use transition instead */
gtk_style_properties_register_property (NULL,
g_param_spec_boxed ("animation-property",
"animation property",
"test animation properties",
GTK_TYPE_ANIMATION_DESCRIPTION,
G_PARAM_READABLE));
#endif
gtk_style_properties_register_property (NULL,
g_param_spec_object ("engine-property",
"engine property",
"test theming engine properties",
GTK_TYPE_THEMING_ENGINE,
G_PARAM_READABLE));
gtk_style_properties_register_property (NULL,
g_param_spec_enum ("enum-property",
"enum property",
"test enum properties",
GTK_TYPE_SHADOW_TYPE,
0,
G_PARAM_READABLE));
gtk_style_properties_register_property (NULL,
g_param_spec_flags ("flags-property",
"flags property",
"test flags properties",
GTK_TYPE_STATE_FLAGS,
GTK_STATE_FLAG_NORMAL,
G_PARAM_READABLE));
gtk_style_properties_register_property (parse_uint8,
g_param_spec_uchar ("uint8-property",
"uint8 property",
"test uint8 properties",
0, G_MAXUINT8, 0,
G_PARAM_READABLE));
if (argc < 2)
{
const char *basedir;
GFile *dir;
if (g_getenv ("srcdir"))
basedir = g_getenv ("srcdir");
else
basedir = ".";
dir = g_file_new_for_path (basedir);
add_tests_for_files_in_directory (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);
}
}
return g_test_run ();
}