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 + 1);
 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 ("Resulting CSS doesn't match reference:\n%s", diff);
 196       g_test_fail ();
 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 ("Errors don't match expected errors:\n%s", diff);
 212           g_test_fail ();
 213         }
 214     }
 215   else if (errors->str[0])
 216     {
 217       g_test_message ("Unexpected errors:\n%s", errors->str);
 218       g_test_fail ();
 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 static void
 229 add_test_for_file (GFile *file)
 230 {
 231   g_test_add_vtable (g_file_get_path (file),
 232                      0,
 233                      g_object_ref (file),
 234                      NULL,
 235                      (GTestFixtureFunc) test_css_file,
 236                      (GTestFixtureFunc) g_object_unref);
 237 }
 238
 239 static int
 240 compare_files (gconstpointer a, gconstpointer b)
 241 {
 242   GFile *file1 = G_FILE (a);
 243   GFile *file2 = G_FILE (b);
 244   char *path1, *path2;
 245   int result;
 246
 247   path1 = g_file_get_path (file1);
 248   path2 = g_file_get_path (file2);
 249
 250   result = strcmp (path1, path2);
 251
 252   g_free (path1);
 253   g_free (path2);
 254
 255   return result;
 256 }
 257
 258 static void
 259 add_tests_for_files_in_directory (GFile *dir)
 260 {
 261   GFileEnumerator *enumerator;
 262   GFileInfo *info;
 263   GList *files;
 264   GError *error = NULL;
 265
 266   enumerator = g_file_enumerate_children (dir, G_FILE_ATTRIBUTE_STANDARD_NAME, 0, NULL, &error);
 267   g_assert_no_error (error);
 268   files = NULL;
 269
 270   while ((info = g_file_enumerator_next_file (enumerator, NULL, &error)))
 271     {
 272       const char *filename;
 273
 274       filename = g_file_info_get_name (info);
 275
 276       if (!g_str_has_suffix (filename, ".css") ||
 277           g_str_has_suffix (filename, ".out.css") ||
 278           g_str_has_suffix (filename, ".ref.css"))
 279         {
 280           g_object_unref (info);
 281           continue;
 282         }
 283
 284       files = g_list_prepend (files, g_file_get_child (dir, filename));
 285
 286       g_object_unref (info);
 287     }
 288
 289   g_assert_no_error (error);
 290   g_object_unref (enumerator);
 291
 292   files = g_list_sort (files, compare_files);
 293   g_list_foreach (files, (GFunc) add_test_for_file, NULL);
 294   g_list_free_full (files, g_object_unref);
 295 }
 296
 297 int
 298 main (int argc, char **argv)
 299 {
 300   gtk_test_init (&argc, &argv);
 301
 302   /* Add a bunch of properties so we can test that we parse them properly */
 303   gtk_style_properties_register_property (NULL,
 304                                           g_param_spec_boolean ("boolean-property",
 305                                                                 "boolean property",
 306                                                                 "test boolean properties",
 307                                                                 TRUE,
 308                                                                 G_PARAM_READABLE));
 309   gtk_style_properties_register_property (NULL,
 310                                           g_param_spec_int ("int-property",
 311                                                             "int property",
 312                                                             "test int properties",
 313                                                             G_MININT, G_MAXINT, 0,
 314                                                             G_PARAM_READABLE));
 315   gtk_style_properties_register_property (NULL,
 316                                           g_param_spec_uint ("uint-property",
 317                                                              "uint property",
 318                                                              "test uint properties",
 319                                                              0, G_MAXUINT, 0,
 320                                                              G_PARAM_READABLE));
 321   gtk_style_properties_register_property (NULL,
 322                                           g_param_spec_float ("float-property",
 323                                                               "float property",
 324                                                               "test float properties",
 325                                                               -G_MAXFLOAT, G_MAXFLOAT, 0.0f,
 326                                                               G_PARAM_READABLE));
 327   gtk_style_properties_register_property (NULL,
 328                                           g_param_spec_double ("double-property",
 329                                                                "double property",
 330                                                                "test double properties",
 331                                                                -G_MAXDOUBLE, G_MAXDOUBLE, 0.0,
 332                                                                G_PARAM_READABLE));
 333   gtk_style_properties_register_property (NULL,
 334                                           g_param_spec_string ("string-property",
 335                                                                "string property",
 336                                                                "test string properties",
 337                                                                NULL,
 338                                                                G_PARAM_READABLE));
 339   gtk_style_properties_register_property (NULL,
 340                                           g_param_spec_boxed ("rgba-property",
 341                                                               "rgba property",
 342                                                               "test rgba properties",
 343                                                               GDK_TYPE_RGBA,
 344                                                               G_PARAM_READABLE));
 345   gtk_style_properties_register_property (NULL,
 346                                           g_param_spec_boxed ("color-property",
 347                                                               "color property",
 348                                                               "test color properties",
 349                                                               GDK_TYPE_COLOR,
 350                                                               G_PARAM_READABLE));
 351   gtk_style_properties_register_property (NULL,
 352                                           g_param_spec_boxed ("border-property",
 353                                                               "border property",
 354                                                               "test border properties",
 355                                                               GTK_TYPE_BORDER,
 356                                                               G_PARAM_READABLE));
 357   gtk_style_properties_register_property (NULL,
 358                                           g_param_spec_boxed ("font-property",
 359                                                               "font property",
 360                                                               "test font properties",
 361                                                               PANGO_TYPE_FONT_DESCRIPTION,
 362                                                               G_PARAM_READABLE));
 363 #if 0
 364   /* not public API, use transition instead */
 365   gtk_style_properties_register_property (NULL,
 366                                           g_param_spec_boxed ("animation-property",
 367                                                               "animation property",
 368                                                               "test animation properties",
 369                                                               GTK_TYPE_ANIMATION_DESCRIPTION,
 370                                                               G_PARAM_READABLE));
 371 #endif
 372   gtk_style_properties_register_property (NULL,
 373                                           g_param_spec_object ("engine-property",
 374                                                                "engine property",
 375                                                                "test theming engine properties",
 376                                                                GTK_TYPE_THEMING_ENGINE,
 377                                                                G_PARAM_READABLE));
 378   gtk_style_properties_register_property (NULL,
 379                                           g_param_spec_enum ("enum-property",
 380                                                              "enum property",
 381                                                              "test enum properties",
 382                                                              GTK_TYPE_SHADOW_TYPE,
 383                                                              0,
 384                                                              G_PARAM_READABLE));
 385   gtk_style_properties_register_property (NULL,
 386                                           g_param_spec_flags ("flags-property",
 387                                                               "flags property",
 388                                                               "test flags properties",
 389                                                               GTK_TYPE_STATE_FLAGS,
 390                                                               GTK_STATE_FLAG_NORMAL,
 391                                                               G_PARAM_READABLE));
 392
 393   if (argc < 2)
 394     {
 395       const char *basedir;
 396       GFile *dir;
 397
 398       if (g_getenv ("srcdir"))
 399         basedir = g_getenv ("srcdir");
 400       else
 401         basedir = ".";
 402
 403       dir = g_file_new_for_path (basedir);
 404
 405       add_tests_for_files_in_directory (dir);
 406
 407       g_object_unref (dir);
 408     }
 409   else
 410     {
 411       guint i;
 412
 413       for (i = 1; i < argc; i++)
 414         {
 415           GFile *file = g_file_new_for_commandline_arg (argv[i]);
 416
 417           add_test_for_file (file);
 418
 419           g_object_unref (file);
 420         }
 421     }
 422
 423   return g_test_run ();
 424 }
 425