Pileus Git - ~andy/gtk/blob - tests/css/parser/test-css-parser.c

   1 /*
   2  * Copyright (C) 2011 Red Hat Inc.
   3  *
   4  * Author:
   5  *      Benjamin Otte <otte@redhat.com>
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Library General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Library General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Library General Public
  18  * License along with this library; if not, write to the
  19  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  20  * Boston, MA 02111-1307, USA.
  21  */
  22
  23 #include "config.h"
  24
  25 #include <string.h>
  26 #include <glib/gstdio.h>
  27 #include <gtk/gtk.h>
  28
  29 static char *
  30 test_get_reference_file (const char *css_file)
  31 {
  32   GString *file = g_string_new (NULL);
  33
  34   if (g_str_has_suffix (css_file, ".css"))
  35     g_string_append_len (file, css_file, strlen (css_file) - 4);
  36   else
  37     g_string_append (file, css_file);
  38
  39   g_string_append (file, ".ref.css");
  40
  41   if (!g_file_test (file->str, G_FILE_TEST_EXISTS))
  42     {
  43       g_string_free (file, TRUE);
  44       return g_strdup (css_file);
  45     }
  46
  47   return g_string_free (file, FALSE);
  48 }
  49
  50 static char *
  51 test_get_errors_file (const char *css_file)
  52 {
  53   GString *file = g_string_new (NULL);
  54
  55   if (g_str_has_suffix (css_file, ".css"))
  56     g_string_append_len (file, css_file, strlen (css_file) - 4);
  57   else
  58     g_string_append (file, css_file);
  59
  60   g_string_append (file, ".errors");
  61
  62   if (!g_file_test (file->str, G_FILE_TEST_EXISTS))
  63     {
  64       g_string_free (file, TRUE);
  65       return NULL;
  66     }
  67
  68   return g_string_free (file, FALSE);
  69 }
  70
  71 static char *
  72 diff_with_file (const char  *file1,
  73                 char        *text,
  74                 gssize       len,
  75                 GError     **error)
  76 {
  77   const char *command[] = { "diff", "-u", file1, NULL, NULL };
  78   char *diff, *tmpfile;
  79   int fd;
  80
  81   diff = NULL;
  82
  83   if (len < 0)
  84     len = strlen (text);
  85
  86   /* write the text buffer to a temporary file */
  87   fd = g_file_open_tmp (NULL, &tmpfile, error);
  88   if (fd < 0)
  89     return NULL;
  90
  91   if (write (fd, text, len) != (int) len)
  92     {
  93       close (fd);
  94       g_set_error (error,
  95                    G_FILE_ERROR, G_FILE_ERROR_FAILED,
  96                    "Could not write data to temporary file '%s'", tmpfile);
  97       goto done;
  98     }
  99   close (fd);
 100   command[3] = tmpfile;
 101
 102   /* run diff command */
 103   g_spawn_sync (NULL,
 104                 (char **) command,
 105                 NULL,
 106                 G_SPAWN_SEARCH_PATH,
 107                 NULL, NULL,
 108                 &diff,
 109                 NULL, NULL,
 110                 error);
 111
 112 done:
 113   g_unlink (tmpfile);
 114   g_free (tmpfile);
 115
 116   return diff;
 117 }
 118
 119 static void
 120 append_error_value (GString *string,
 121                     GType    enum_type,
 122                     guint    value)
 123 {
 124   GEnumClass *enum_class;
 125   GEnumValue *enum_value;
 126
 127   enum_class = g_type_class_ref (enum_type);
 128   enum_value = g_enum_get_value (enum_class, value);
 129
 130   g_string_append (string, enum_value->value_name);
 131
 132   g_type_class_unref (enum_class);
 133 }
 134
 135 static void
 136 parsing_error_cb (GtkCssProvider *provider,
 137                   const gchar     *path,
 138                   guint            line,
 139                   guint            position,
 140                   const GError *   error,
 141                   GString *        errors)
 142 {
 143   char *basename;
 144
 145   g_assert (path);
 146   g_assert (line > 0);
 147
 148   basename = g_path_get_basename (path);
 149   g_string_append_printf (errors,
 150                           "%s:%u: error: ",
 151                           basename, line);
 152   g_free (basename);
 153
 154   if (error->domain == GTK_CSS_PROVIDER_ERROR)
 155       append_error_value (errors, GTK_TYPE_CSS_PROVIDER_ERROR, error->code);
 156   else
 157     g_string_append_printf (errors,
 158                             "%s %u\n",
 159                             g_quark_to_string (error->domain),
 160                             error->code);
 161
 162   g_string_append_c (errors, '\n');
 163 }
 164
 165 static void
 166 test_css_file (GFile *file)
 167 {
 168   GtkCssProvider *provider;
 169   char *css, *diff;
 170   char *css_file, *reference_file, *errors_file;
 171   GString *errors;
 172   GError *error = NULL;
 173
 174   css_file = g_file_get_path (file);
 175   errors = g_string_new ("");
 176
 177   provider = gtk_css_provider_new ();
 178   g_signal_connect (provider,
 179                     "parsing-error",
 180                     G_CALLBACK (parsing_error_cb),
 181                     errors);
 182   gtk_css_provider_load_from_path (provider,
 183                                    css_file,
 184                                    NULL);
 185
 186   css = gtk_css_provider_to_string (provider);
 187
 188   reference_file = test_get_reference_file (css_file);
 189
 190   diff = diff_with_file (reference_file, css, -1, &error);
 191   g_assert_no_error (error);
 192
 193   if (diff && diff[0])
 194     {
 195       g_test_message ("%s", diff);
 196       g_assert_not_reached ();
 197     }
 198
 199   g_free (css);
 200   g_free (reference_file);
 201
 202   errors_file = test_get_errors_file (css_file);
 203
 204   if (errors_file)
 205     {
 206       diff = diff_with_file (errors_file, errors->str, errors->len, &error);
 207       g_assert_no_error (error);
 208
 209       if (diff && diff[0])
 210         {
 211           g_test_message ("%s", diff);
 212           g_assert_not_reached ();
 213         }
 214     }
 215   else if (errors->str[0])
 216     {
 217       g_test_message ("Unexpected errors:\n%s", errors->str);
 218       g_assert_not_reached ();
 219     }
 220
 221   g_free (errors_file);
 222   g_string_free (errors, TRUE);
 223
 224   g_free (diff);
 225   g_free (css_file);
 226 }
 227
 228 int
 229 main (int argc, char **argv)
 230 {
 231   const char *basedir;
 232   GError *error = NULL;
 233   GFile *dir;
 234   GFileEnumerator *enumerator;
 235   GFileInfo *info;
 236
 237   gtk_test_init (&argc, &argv);
 238
 239   /* Add a bunch of properties so we can test that we parse them properly */
 240   gtk_style_properties_register_property (NULL,
 241                                           g_param_spec_boolean ("boolean-property",
 242                                                                 "boolean property",
 243                                                                 "test boolean properties",
 244                                                                 TRUE,
 245                                                                 G_PARAM_READABLE));
 246   gtk_style_properties_register_property (NULL,
 247                                           g_param_spec_int ("int-property",
 248                                                             "int property",
 249                                                             "test int properties",
 250                                                             G_MININT, G_MAXINT, 0,
 251                                                             G_PARAM_READABLE));
 252   gtk_style_properties_register_property (NULL,
 253                                           g_param_spec_uint ("uint-property",
 254                                                              "uint property",
 255                                                              "test uint properties",
 256                                                              0, G_MAXUINT, 0,
 257                                                              G_PARAM_READABLE));
 258   gtk_style_properties_register_property (NULL,
 259                                           g_param_spec_float ("float-property",
 260                                                               "float property",
 261                                                               "test float properties",
 262                                                               -G_MAXFLOAT, G_MAXFLOAT, 0.0f,
 263                                                               G_PARAM_READABLE));
 264   gtk_style_properties_register_property (NULL,
 265                                           g_param_spec_double ("double-property",
 266                                                                "double property",
 267                                                                "test double properties",
 268                                                                -G_MAXDOUBLE, G_MAXDOUBLE, 0.0,
 269                                                                G_PARAM_READABLE));
 270   gtk_style_properties_register_property (NULL,
 271                                           g_param_spec_string ("string-property",
 272                                                                "string property",
 273                                                                "test string properties",
 274                                                                NULL,
 275                                                                G_PARAM_READABLE));
 276   gtk_style_properties_register_property (NULL,
 277                                           g_param_spec_boxed ("rgba-property",
 278                                                               "rgba property",
 279                                                               "test rgba properties",
 280                                                               GDK_TYPE_RGBA,
 281                                                               G_PARAM_READABLE));
 282   gtk_style_properties_register_property (NULL,
 283                                           g_param_spec_boxed ("color-property",
 284                                                               "color property",
 285                                                               "test color properties",
 286                                                               GDK_TYPE_COLOR,
 287                                                               G_PARAM_READABLE));
 288   gtk_style_properties_register_property (NULL,
 289                                           g_param_spec_boxed ("border-property",
 290                                                               "border property",
 291                                                               "test border properties",
 292                                                               GTK_TYPE_BORDER,
 293                                                               G_PARAM_READABLE));
 294   gtk_style_properties_register_property (NULL,
 295                                           g_param_spec_boxed ("font-property",
 296                                                               "font property",
 297                                                               "test font properties",
 298                                                               PANGO_TYPE_FONT_DESCRIPTION,
 299                                                               G_PARAM_READABLE));
 300 #if 0
 301   /* not public API, use transition instead */
 302   gtk_style_properties_register_property (NULL,
 303                                           g_param_spec_boxed ("animation-property",
 304                                                               "animation property",
 305                                                               "test animation properties",
 306                                                               GTK_TYPE_ANIMATION_DESCRIPTION,
 307                                                               G_PARAM_READABLE));
 308 #endif
 309   gtk_style_properties_register_property (NULL,
 310                                           g_param_spec_object ("engine-property",
 311                                                                "engine property",
 312                                                                "test theming engine properties",
 313                                                                GTK_TYPE_THEMING_ENGINE,
 314                                                                G_PARAM_READABLE));
 315   gtk_style_properties_register_property (NULL,
 316                                           g_param_spec_enum ("enum-property",
 317                                                              "enum property",
 318                                                              "test enum properties",
 319                                                              GTK_TYPE_SHADOW_TYPE,
 320                                                              0,
 321                                                              G_PARAM_READABLE));
 322   gtk_style_properties_register_property (NULL,
 323                                           g_param_spec_flags ("flags-property",
 324                                                               "flags property",
 325                                                               "test flags properties",
 326                                                               GTK_TYPE_STATE_FLAGS,
 327                                                               GTK_STATE_FLAG_NORMAL,
 328                                                               G_PARAM_READABLE));
 329
 330   if (g_getenv ("srcdir"))
 331     basedir = g_getenv ("srcdir");
 332   else
 333     basedir = ".";
 334
 335   dir = g_file_new_for_path (basedir);
 336   enumerator = g_file_enumerate_children (dir, G_FILE_ATTRIBUTE_STANDARD_NAME, 0, NULL, &error);
 337   g_assert_no_error (error);
 338
 339   while ((info = g_file_enumerator_next_file (enumerator, NULL, &error)))
 340     {
 341       GFile *file;
 342       const char *filename;
 343
 344       filename = g_file_info_get_name (info);
 345
 346       if (!g_str_has_suffix (filename, ".css") ||
 347           g_str_has_suffix (filename, ".out.css") ||
 348           g_str_has_suffix (filename, ".ref.css"))
 349         {
 350           g_object_unref (info);
 351           continue;
 352         }
 353
 354       file = g_file_get_child (dir, filename);
 355
 356       g_test_add_vtable (g_file_get_path (file),
 357                          0,
 358                          file,
 359                          NULL,
 360                          (GTestFixtureFunc) test_css_file,
 361                          (GTestFixtureFunc) g_object_unref);
 362
 363       g_object_unref (info);
 364     }
 365
 366   g_assert_no_error (error);
 367   g_object_unref (enumerator);
 368
 369   return g_test_run ();
 370 }
 371