search.test 77.5 KB
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091
<?php

/**
 * @file
 * Tests for search.module.
 */

// The search index can contain different types of content. Typically the type is 'node'.
// Here we test with _test_ and _test2_ as the type.
define('SEARCH_TYPE', '_test_');
define('SEARCH_TYPE_2', '_test2_');
define('SEARCH_TYPE_JPN', '_test3_');

/**
 * Indexes content and queries it.
 */
class SearchMatchTestCase extends DrupalWebTestCase {
  public static function getInfo() {
    return array(
      'name' => 'Search engine queries',
      'description' => 'Indexes content and queries it.',
      'group' => 'Search',
    );
  }

  /**
   * Implementation setUp().
   */
  function setUp() {
    parent::setUp('search');
  }

  /**
   * Test search indexing.
   */
  function testMatching() {
    $this->_setup();
    $this->_testQueries();
  }

  /**
   * Set up a small index of items to test against.
   */
  function _setup() {
    variable_set('minimum_word_size', 3);

    for ($i = 1; $i <= 7; ++$i) {
      search_index($i, SEARCH_TYPE, $this->getText($i));
    }
    for ($i = 1; $i <= 5; ++$i) {
      search_index($i + 7, SEARCH_TYPE_2, $this->getText2($i));
    }
    // No getText builder function for Japanese text; just a simple array.
    foreach (array(
      13 => '以呂波耳・ほへとち。リヌルヲ。',
      14 => 'ドルーパルが大好きよ!',
      15 => 'コーヒーとケーキ',
    ) as $i => $jpn) {
      search_index($i, SEARCH_TYPE_JPN, $jpn);
    }
    search_update_totals();
  }

  /**
   * _test_: Helper method for generating snippets of content.
   *
   * Generated items to test against:
   *   1  ipsum
   *   2  dolore sit
   *   3  sit am ut
   *   4  am ut enim am
   *   5  ut enim am minim veniam
   *   6  enim am minim veniam es cillum
   *   7  am minim veniam es cillum dolore eu
   */
  function getText($n) {
    $words = explode(' ', "Ipsum dolore sit am. Ut enim am minim veniam. Es cillum dolore eu.");
    return implode(' ', array_slice($words, $n - 1, $n));
  }

  /**
   * _test2_: Helper method for generating snippets of content.
   *
   * Generated items to test against:
   *   8  dear
   *   9  king philip
   *   10 philip came over
   *   11 came over from germany
   *   12 over from germany swimming
   */
  function getText2($n) {
    $words = explode(' ', "Dear King Philip came over from Germany swimming.");
    return implode(' ', array_slice($words, $n - 1, $n));
  }

  /**
   * Run predefine queries looking for indexed terms.
   */
  function _testQueries() {
    /*
      Note: OR queries that include short words in OR groups are only accepted
      if the ORed terms are ANDed with at least one long word in the rest of the query.

      e.g. enim dolore OR ut = enim (dolore OR ut) = (enim dolor) OR (enim ut) -> good
      e.g. dolore OR ut = (dolore) OR (ut) -> bad

      This is a design limitation to avoid full table scans.
    */
    $queries = array(
      // Simple AND queries.
      'ipsum' => array(1),
      'enim' => array(4, 5, 6),
      'xxxxx' => array(),
      'enim minim' => array(5, 6),
      'enim xxxxx' => array(),
      'dolore eu' => array(7),
      'dolore xx' => array(),
      'ut minim' => array(5),
      'xx minim' => array(),
      'enim veniam am minim ut' => array(5),
      // Simple OR queries.
      'dolore OR ipsum' => array(1, 2, 7),
      'dolore OR xxxxx' => array(2, 7),
      'dolore OR ipsum OR enim' => array(1, 2, 4, 5, 6, 7),
      'ipsum OR dolore sit OR cillum' => array(2, 7),
      'minim dolore OR ipsum' => array(7),
      'dolore OR ipsum veniam' => array(7),
      'minim dolore OR ipsum OR enim' => array(5, 6, 7),
      'dolore xx OR yy' => array(),
      'xxxxx dolore OR ipsum' => array(),
      // Negative queries.
      'dolore -sit' => array(7),
      'dolore -eu' => array(2),
      'dolore -xxxxx' => array(2, 7),
      'dolore -xx' => array(2, 7),
      // Phrase queries.
      '"dolore sit"' => array(2),
      '"sit dolore"' => array(),
      '"am minim veniam es"' => array(6, 7),
      '"minim am veniam es"' => array(),
      // Mixed queries.
      '"am minim veniam es" OR dolore' => array(2, 6, 7),
      '"minim am veniam es" OR "dolore sit"' => array(2),
      '"minim am veniam es" OR "sit dolore"' => array(),
      '"am minim veniam es" -eu' => array(6),
      '"am minim veniam" -"cillum dolore"' => array(5, 6),
      '"am minim veniam" -"dolore cillum"' => array(5, 6, 7),
      'xxxxx "minim am veniam es" OR dolore' => array(),
      'xx "minim am veniam es" OR dolore' => array()
    );
    foreach ($queries as $query => $results) {
      $result = db_select('search_index', 'i')
        ->extend('SearchQuery')
        ->searchExpression($query, SEARCH_TYPE)
        ->execute();

      $set = $result ? $result->fetchAll() : array();
      $this->_testQueryMatching($query, $set, $results);
      $this->_testQueryScores($query, $set, $results);
    }

    // These queries are run against the second index type, SEARCH_TYPE_2.
    $queries = array(
      // Simple AND queries.
      'ipsum' => array(),
      'enim' => array(),
      'enim minim' => array(),
      'dear' => array(8),
      'germany' => array(11, 12),
    );
    foreach ($queries as $query => $results) {
      $result = db_select('search_index', 'i')
        ->extend('SearchQuery')
        ->searchExpression($query, SEARCH_TYPE_2)
        ->execute();

      $set = $result ? $result->fetchAll() : array();
      $this->_testQueryMatching($query, $set, $results);
      $this->_testQueryScores($query, $set, $results);
    }

    // These queries are run against the third index type, SEARCH_TYPE_JPN.
    $queries = array(
      // Simple AND queries.
      '呂波耳' => array(13),
      '以呂波耳' => array(13),
      'ほへと ヌルヲ' => array(13),
      'とちリ' => array(),
      'ドルーパル' => array(14),
      'パルが大' => array(14),
      'コーヒー' => array(15),
      'ヒーキ' => array(),
    );
    foreach ($queries as $query => $results) {
      $result = db_select('search_index', 'i')
        ->extend('SearchQuery')
        ->searchExpression($query, SEARCH_TYPE_JPN)
        ->execute();

      $set = $result ? $result->fetchAll() : array();
      $this->_testQueryMatching($query, $set, $results);
      $this->_testQueryScores($query, $set, $results);
    }
  }

  /**
   * Test the matching abilities of the engine.
   *
   * Verify if a query produces the correct results.
   */
  function _testQueryMatching($query, $set, $results) {
    // Get result IDs.
    $found = array();
    foreach ($set as $item) {
      $found[] = $item->sid;
    }

    // Compare $results and $found.
    sort($found);
    sort($results);
    $this->assertEqual($found, $results, "Query matching '$query'");
  }

  /**
   * Test the scoring abilities of the engine.
   *
   * Verify if a query produces normalized, monotonous scores.
   */
  function _testQueryScores($query, $set, $results) {
    // Get result scores.
    $scores = array();
    foreach ($set as $item) {
      $scores[] = $item->calculated_score;
    }

    // Check order.
    $sorted = $scores;
    sort($sorted);
    $this->assertEqual($scores, array_reverse($sorted), "Query order '$query'");

    // Check range.
    $this->assertEqual(!count($scores) || (min($scores) > 0.0 && max($scores) <= 1.0001), TRUE, "Query scoring '$query'");
  }
}

/**
 * Tests the bike shed text on no results page, and text on the search page.
 */
class SearchPageText extends DrupalWebTestCase {
  protected $searching_user;

  public static function getInfo() {
    return array(
      'name' => 'Search page text',
      'description' => 'Tests the bike shed text on the no results page, and various other text on search pages.',
      'group' => 'Search'
    );
  }

  function setUp() {
    parent::setUp('search');

    // Create user.
    $this->searching_user = $this->drupalCreateUser(array('search content', 'access user profiles'));
  }

  /**
   * Tests the failed search text, and various other text on the search page.
   */
  function testSearchText() {
    $this->drupalLogin($this->searching_user);
    $this->drupalGet('search/node');
    $this->assertText(t('Enter your keywords'));
    $this->assertText(t('Search'));
    $title = t('Search') . ' | Drupal';
    $this->assertTitle($title, 'Search page title is correct');

    $edit = array();
    $edit['keys'] = 'bike shed ' . $this->randomName();
    $this->drupalPost('search/node', $edit, t('Search'));
    $this->assertText(t('Consider loosening your query with OR. bike OR shed will often show more results than bike shed.'), 'Help text is displayed when search returns no results.');
    $this->assertText(t('Search'));
    $this->assertTitle($title, 'Search page title is correct');

    $edit['keys'] = $this->searching_user->name;
    $this->drupalPost('search/user', $edit, t('Search'));
    $this->assertText(t('Search'));
    $this->assertTitle($title, 'Search page title is correct');

    // Test that search keywords containing slashes are correctly loaded
    // from the path and displayed in the search form.
    $arg = $this->randomName() . '/' . $this->randomName();
    $this->drupalGet('search/node/' . $arg);
    $input = $this->xpath("//input[@id='edit-keys' and @value='{$arg}']");
    $this->assertFalse(empty($input), 'Search keys with a / are correctly set as the default value in the search box.');

    // Test a search input exceeding the limit of AND/OR combinations to test
    // the Denial-of-Service protection.
    $limit = variable_get('search_and_or_limit', 7);
    $keys = array();
    for ($i = 0; $i < $limit + 1; $i++) {
      $keys[] = $this->randomName(3);
      if ($i % 2 == 0) {
        $keys[] = 'OR';
      }
    }
    $edit['keys'] = implode(' ', $keys);
    $this->drupalPost('search/node', $edit, t('Search'));
    $this->assertRaw(t('Your search used too many AND/OR expressions. Only the first @count terms were included in this search.', array('@count' => $limit)));
  }
}

/**
 * Indexes content and tests the advanced search form.
 */
class SearchAdvancedSearchForm extends DrupalWebTestCase {
  protected $node;

  public static function getInfo() {
    return array(
      'name' => 'Advanced search form',
      'description' => 'Indexes content and tests the advanced search form.',
      'group' => 'Search',
    );
  }

  function setUp() {
    parent::setUp('search');
    // Create and login user.
    $test_user = $this->drupalCreateUser(array('access content', 'search content', 'use advanced search', 'administer nodes'));
    $this->drupalLogin($test_user);

    // Create initial node.
    $node = $this->drupalCreateNode();
    $this->node = $this->drupalCreateNode();

    // First update the index. This does the initial processing.
    node_update_index();

    // Then, run the shutdown function. Testing is a unique case where indexing
    // and searching has to happen in the same request, so running the shutdown
    // function manually is needed to finish the indexing process.
    search_update_totals();
  }

  /**
   * Test using the search form with GET and POST queries.
   * Test using the advanced search form to limit search to nodes of type "Basic page".
   */
  function testNodeType() {
    $this->assertTrue($this->node->type == 'page', 'Node type is Basic page.');

    // Assert that the dummy title doesn't equal the real title.
    $dummy_title = 'Lorem ipsum';
    $this->assertNotEqual($dummy_title, $this->node->title, "Dummy title doesn't equal node title");

    // Search for the dummy title with a GET query.
    $this->drupalGet('search/node/' . $dummy_title);
    $this->assertNoText($this->node->title, 'Basic page node is not found with dummy title.');

    // Search for the title of the node with a GET query.
    $this->drupalGet('search/node/' . $this->node->title);
    $this->assertText($this->node->title, 'Basic page node is found with GET query.');

    // Search for the title of the node with a POST query.
    $edit = array('or' => $this->node->title);
    $this->drupalPost('search/node', $edit, t('Advanced search'));
    $this->assertText($this->node->title, 'Basic page node is found with POST query.');

    // Advanced search type option.
    $this->drupalPost('search/node', array_merge($edit, array('type[page]' => 'page')), t('Advanced search'));
    $this->assertText($this->node->title, 'Basic page node is found with POST query and type:page.');

    $this->drupalPost('search/node', array_merge($edit, array('type[article]' => 'article')), t('Advanced search'));
    $this->assertText('bike shed', 'Article node is not found with POST query and type:article.');
  }
}

/**
 * Indexes content and tests ranking factors.
 */
class SearchRankingTestCase extends DrupalWebTestCase {
  public static function getInfo() {
    return array(
      'name' => 'Search engine ranking',
      'description' => 'Indexes content and tests ranking factors.',
      'group' => 'Search',
    );
  }

  /**
   * Implementation setUp().
   */
  function setUp() {
    parent::setUp('search', 'statistics', 'comment');
  }

  function testRankings() {
    // Login with sufficient privileges.
    $this->drupalLogin($this->drupalCreateUser(array('skip comment approval', 'create page content')));

    // Build a list of the rankings to test.
    $node_ranks = array('sticky', 'promote', 'relevance', 'recent', 'comments', 'views');

    // Create nodes for testing.
    foreach ($node_ranks as $node_rank) {
      $settings = array(
        'type' => 'page',
        'title' => 'Drupal rocks',
        'body' => array(LANGUAGE_NONE => array(array('value' => "Drupal's search rocks"))),
      );
      foreach (array(0, 1) as $num) {
        if ($num == 1) {
          switch ($node_rank) {
            case 'sticky':
            case 'promote':
              $settings[$node_rank] = 1;
              break;
            case 'relevance':
              $settings['body'][LANGUAGE_NONE][0]['value'] .= " really rocks";
              break;
            case 'recent':
              $settings['created'] = REQUEST_TIME + 3600;
              break;
            case 'comments':
              $settings['comment'] = 2;
              break;
          }
        }
        $nodes[$node_rank][$num] = $this->drupalCreateNode($settings);
      }
    }

    // Update the search index.
    module_invoke_all('update_index');
    search_update_totals();

    // Refresh variables after the treatment.
    $this->refreshVariables();

    // Add a comment to one of the nodes.
    $edit = array();
    $edit['subject'] = 'my comment title';
    $edit['comment_body[' . LANGUAGE_NONE . '][0][value]'] = 'some random comment';
    $this->drupalGet('comment/reply/' . $nodes['comments'][1]->nid);
    $this->drupalPost(NULL, $edit, t('Preview'));
    $this->drupalPost(NULL, $edit, t('Save'));

    // Enable counting of statistics.
    variable_set('statistics_count_content_views', 1);

    // Then View one of the nodes a bunch of times.
    for ($i = 0; $i < 5; $i ++) {
      $this->drupalGet('node/' . $nodes['views'][1]->nid);
    }

    // Test each of the possible rankings.
    foreach ($node_ranks as $node_rank) {
      // Disable all relevancy rankings except the one we are testing.
      foreach ($node_ranks as $var) {
        variable_set('node_rank_' . $var, $var == $node_rank ? 10 : 0);
      }

      // Do the search and assert the results.
      $set = node_search_execute('rocks');
      $this->assertEqual($set[0]['node']->nid, $nodes[$node_rank][1]->nid, 'Search ranking "' . $node_rank . '" order.');
    }
  }

  /**
   * Test rankings of HTML tags.
   */
  function testHTMLRankings() {
    // Login with sufficient privileges.
    $this->drupalLogin($this->drupalCreateUser(array('create page content')));

    // Test HTML tags with different weights.
    $sorted_tags = array('h1', 'h2', 'h3', 'h4', 'a', 'h5', 'h6', 'notag');
    $shuffled_tags = $sorted_tags;

    // Shuffle tags to ensure HTML tags are ranked properly.
    shuffle($shuffled_tags);
    $settings = array(
      'type' => 'page',
      'title' => 'Simple node',
    );
    foreach ($shuffled_tags as $tag) {
      switch ($tag) {
        case 'a':
          $settings['body'] = array(LANGUAGE_NONE => array(array('value' => l('Drupal Rocks', 'node'), 'format' => 'full_html')));
          break;
        case 'notag':
          $settings['body'] = array(LANGUAGE_NONE => array(array('value' => 'Drupal Rocks')));
          break;
        default:
          $settings['body'] = array(LANGUAGE_NONE => array(array('value' => "<$tag>Drupal Rocks</$tag>", 'format' => 'full_html')));
          break;
      }
      $nodes[$tag] = $this->drupalCreateNode($settings);
    }

    // Update the search index.
    module_invoke_all('update_index');
    search_update_totals();

    // Refresh variables after the treatment.
    $this->refreshVariables();

    // Disable all other rankings.
    $node_ranks = array('sticky', 'promote', 'recent', 'comments', 'views');
    foreach ($node_ranks as $node_rank) {
      variable_set('node_rank_' . $node_rank, 0);
    }
    $set = node_search_execute('rocks');

    // Test the ranking of each tag.
    foreach ($sorted_tags as $tag_rank => $tag) {
      // Assert the results.
      if ($tag == 'notag') {
        $this->assertEqual($set[$tag_rank]['node']->nid, $nodes[$tag]->nid, 'Search tag ranking for plain text order.');
      } else {
        $this->assertEqual($set[$tag_rank]['node']->nid, $nodes[$tag]->nid, 'Search tag ranking for "&lt;' . $sorted_tags[$tag_rank] . '&gt;" order.');
      }
    }

    // Test tags with the same weight against the sorted tags.
    $unsorted_tags = array('u', 'b', 'i', 'strong', 'em');
    foreach ($unsorted_tags as $tag) {
      $settings['body'] = array(LANGUAGE_NONE => array(array('value' => "<$tag>Drupal Rocks</$tag>", 'format' => 'full_html')));
      $node = $this->drupalCreateNode($settings);

      // Update the search index.
      module_invoke_all('update_index');
      search_update_totals();

      // Refresh variables after the treatment.
      $this->refreshVariables();

      $set = node_search_execute('rocks');

      // Ranking should always be second to last.
      $set = array_slice($set, -2, 1);

      // Assert the results.
      $this->assertEqual($set[0]['node']->nid, $node->nid, 'Search tag ranking for "&lt;' . $tag . '&gt;" order.');

      // Delete node so it doesn't show up in subsequent search results.
      node_delete($node->nid);
    }
  }

  /**
   * Verifies that if we combine two rankings, search still works.
   *
   * See issue http://drupal.org/node/771596
   */
  function testDoubleRankings() {
    // Login with sufficient privileges.
    $this->drupalLogin($this->drupalCreateUser(array('skip comment approval', 'create page content')));

    // See testRankings() above - build a node that will rank high for sticky.
    $settings = array(
      'type' => 'page',
      'title' => 'Drupal rocks',
      'body' => array(LANGUAGE_NONE => array(array('value' => "Drupal's search rocks"))),
      'sticky' => 1,
    );

    $node = $this->drupalCreateNode($settings);

    // Update the search index.
    module_invoke_all('update_index');
    search_update_totals();

    // Refresh variables after the treatment.
    $this->refreshVariables();

    // Set up for ranking sticky and lots of comments; make sure others are
    // disabled.
    $node_ranks = array('sticky', 'promote', 'relevance', 'recent', 'comments', 'views');
    foreach ($node_ranks as $var) {
      $value = ($var == 'sticky' || $var == 'comments') ? 10 : 0;
      variable_set('node_rank_' . $var, $value);
    }

    // Do the search and assert the results.
    $set = node_search_execute('rocks');
    $this->assertEqual($set[0]['node']->nid, $node->nid, 'Search double ranking order.');
  }
}

/**
 * Tests the rendering of the search block.
 */
class SearchBlockTestCase extends DrupalWebTestCase {
  public static function getInfo() {
    return array(
      'name' => 'Block availability',
      'description' => 'Check if the search form block is available.',
      'group' => 'Search',
    );
  }

  function setUp() {
    parent::setUp('search');

    // Create and login user
    $admin_user = $this->drupalCreateUser(array('administer blocks', 'search content'));
    $this->drupalLogin($admin_user);
  }

  function testSearchFormBlock() {
    // Set block title to confirm that the interface is available.
    $this->drupalPost('admin/structure/block/manage/search/form/configure', array('title' => $this->randomName(8)), t('Save block'));
    $this->assertText(t('The block configuration has been saved.'), 'Block configuration set.');

    // Set the block to a region to confirm block is available.
    $edit = array();
    $edit['blocks[search_form][region]'] = 'footer';
    $this->drupalPost('admin/structure/block', $edit, t('Save blocks'));
    $this->assertText(t('The block settings have been updated.'), 'Block successfully move to footer region.');
  }

  /**
   * Test that the search block form works correctly.
   */
  function testBlock() {
    // Enable the block, and place it in the 'content' region so that it isn't
    // hidden on 404 pages.
    $edit = array('blocks[search_form][region]' => 'content');
    $this->drupalPost('admin/structure/block', $edit, t('Save blocks'));

    // Test a normal search via the block form, from the front page.
    $terms = array('search_block_form' => 'test');
    $this->drupalPost('node', $terms, t('Search'));
    $this->assertText('Your search yielded no results');

    // Test a search from the block on a 404 page.
    $this->drupalGet('foo');
    $this->assertResponse(404);
    $this->drupalPost(NULL, $terms, t('Search'));
    $this->assertResponse(200);
    $this->assertText('Your search yielded no results');

    // Test a search from the block when it doesn't appear on the search page.
    $edit = array('pages' => 'search');
    $this->drupalPost('admin/structure/block/manage/search/form/configure', $edit, t('Save block'));
    $this->drupalPost('node', $terms, t('Search'));
    $this->assertText('Your search yielded no results');

    // Confirm that the user is redirected to the search page.
    $this->assertEqual(
      $this->getUrl(),
      url('search/node/' . $terms['search_block_form'], array('absolute' => TRUE)),
      'Redirected to correct url.'
    );

    // Test an empty search via the block form, from the front page.
    $terms = array('search_block_form' => '');
    $this->drupalPost('node', $terms, t('Search'));
    $this->assertText('Please enter some keywords');

    // Confirm that the user is redirected to the search page, when form is submitted empty.
    $this->assertEqual(
      $this->getUrl(),
      url('search/node/', array('absolute' => TRUE)),
      'Redirected to correct url.'
    );
  }
}

/**
 * Tests that searching for a phrase gets the correct page count.
 */
class SearchExactTestCase extends DrupalWebTestCase {
  public static function getInfo() {
    return array(
      'name' => 'Search engine phrase queries',
      'description' => 'Tests that searching for a phrase gets the correct page count.',
      'group' => 'Search',
    );
  }

  function setUp() {
    parent::setUp('search');
  }

  /**
   * Tests that the correct number of pager links are found for both keywords and phrases.
   */
  function testExactQuery() {
    // Login with sufficient privileges.
    $this->drupalLogin($this->drupalCreateUser(array('create page content', 'search content')));

    $settings = array(
      'type' => 'page',
      'title' => 'Simple Node',
    );
    // Create nodes with exact phrase.
    for ($i = 0; $i <= 17; $i++) {
      $settings['body'] = array(LANGUAGE_NONE => array(array('value' => 'love pizza')));
      $this->drupalCreateNode($settings);
    }
    // Create nodes containing keywords.
    for ($i = 0; $i <= 17; $i++) {
      $settings['body'] = array(LANGUAGE_NONE => array(array('value' => 'love cheesy pizza')));
      $this->drupalCreateNode($settings);
    }

    // Update the search index.
    module_invoke_all('update_index');
    search_update_totals();

    // Refresh variables after the treatment.
    $this->refreshVariables();

    // Test that the correct number of pager links are found for keyword search.
    $edit = array('keys' => 'love pizza');
    $this->drupalPost('search/node', $edit, t('Search'));
    $this->assertLinkByHref('page=1', 0, '2nd page link is found for keyword search.');
    $this->assertLinkByHref('page=2', 0, '3rd page link is found for keyword search.');
    $this->assertLinkByHref('page=3', 0, '4th page link is found for keyword search.');
    $this->assertNoLinkByHref('page=4', '5th page link is not found for keyword search.');

    // Test that the correct number of pager links are found for exact phrase search.
    $edit = array('keys' => '"love pizza"');
    $this->drupalPost('search/node', $edit, t('Search'));
    $this->assertLinkByHref('page=1', 0, '2nd page link is found for exact phrase search.');
    $this->assertNoLinkByHref('page=2', '3rd page link is not found for exact phrase search.');
  }
}

/**
 * Test integration searching comments.
 */
class SearchCommentTestCase extends DrupalWebTestCase {
  protected $admin_user;

  public static function getInfo() {
    return array(
      'name' => 'Comment Search tests',
      'description' => 'Test integration searching comments.',
      'group' => 'Search',
    );
  }

  function setUp() {
    parent::setUp('comment', 'search');

    // Create and log in an administrative user having access to the Full HTML
    // text format.
    $full_html_format = filter_format_load('full_html');
    $permissions = array(
      'administer filters',
      filter_permission_name($full_html_format),
      'administer permissions',
      'create page content',
      'skip comment approval',
      'access comments',
    );
    $this->admin_user = $this->drupalCreateUser($permissions);
    $this->drupalLogin($this->admin_user);
  }

  /**
   * Verify that comments are rendered using proper format in search results.
   */
  function testSearchResultsComment() {
    $comment_body = 'Test comment body';

    variable_set('comment_preview_article', DRUPAL_OPTIONAL);
    // Enable check_plain() for 'Filtered HTML' text format.
    $filtered_html_format_id = 'filtered_html';
    $edit = array(
      'filters[filter_html_escape][status]' => TRUE,
    );
    $this->drupalPost('admin/config/content/formats/' . $filtered_html_format_id, $edit, t('Save configuration'));
    // Allow anonymous users to search content.
    $edit = array(
      DRUPAL_ANONYMOUS_RID . '[search content]' => 1,
      DRUPAL_ANONYMOUS_RID . '[access comments]' => 1,
      DRUPAL_ANONYMOUS_RID . '[post comments]' => 1,
    );
    $this->drupalPost('admin/people/permissions', $edit, t('Save permissions'));

    // Create a node.
    $node = $this->drupalCreateNode(array('type' => 'article'));
    // Post a comment using 'Full HTML' text format.
    $edit_comment = array();
    $edit_comment['subject'] = 'Test comment subject';
    $edit_comment['comment_body[' . LANGUAGE_NONE . '][0][value]'] = '<h1>' . $comment_body . '</h1>';
    $full_html_format_id = 'full_html';
    $edit_comment['comment_body[' . LANGUAGE_NONE . '][0][format]'] = $full_html_format_id;
    $this->drupalPost('comment/reply/' . $node->nid, $edit_comment, t('Save'));

    // Invoke search index update.
    $this->drupalLogout();
    $this->cronRun();

    // Search for the comment subject.
    $edit = array(
      'search_block_form' => "'" . $edit_comment['subject'] . "'",
    );
    $this->drupalPost('', $edit, t('Search'));
    $this->assertText($node->title, 'Node found in search results.');
    $this->assertText($edit_comment['subject'], 'Comment subject found in search results.');

    // Search for the comment body.
    $edit = array(
      'search_block_form' => "'" . $comment_body . "'",
    );
    $this->drupalPost('', $edit, t('Search'));
    $this->assertText($node->title, 'Node found in search results.');

    // Verify that comment is rendered using proper format.
    $this->assertText($comment_body, 'Comment body text found in search results.');
    $this->assertNoRaw(t('n/a'), 'HTML in comment body is not hidden.');
    $this->assertNoRaw(check_plain($edit_comment['comment_body[' . LANGUAGE_NONE . '][0][value]']), 'HTML in comment body is not escaped.');

    // Hide comments.
    $this->drupalLogin($this->admin_user);
    $node->comment = 0;
    node_save($node);

    // Invoke search index update.
    $this->drupalLogout();
    $this->cronRun();

    // Search for $title.
    $this->drupalPost('', $edit, t('Search'));
    $this->assertNoText($comment_body, 'Comment body text not found in search results.');
  }

  /**
   * Verify access rules for comment indexing with different permissions.
   */
  function testSearchResultsCommentAccess() {
    $comment_body = 'Test comment body';
    $this->comment_subject = 'Test comment subject';
    $this->admin_role = $this->admin_user->roles;
    unset($this->admin_role[DRUPAL_AUTHENTICATED_RID]);
    $this->admin_role = key($this->admin_role);

    // Create a node.
    variable_set('comment_preview_article', DRUPAL_OPTIONAL);
    $this->node = $this->drupalCreateNode(array('type' => 'article'));

    // Post a comment using 'Full HTML' text format.
    $edit_comment = array();
    $edit_comment['subject'] = $this->comment_subject;
    $edit_comment['comment_body[' . LANGUAGE_NONE . '][0][value]'] = '<h1>' . $comment_body . '</h1>';
    $this->drupalPost('comment/reply/' . $this->node->nid, $edit_comment, t('Save'));

    $this->drupalLogout();
    $this->setRolePermissions(DRUPAL_ANONYMOUS_RID);
    $this->checkCommentAccess('Anon user has search permission but no access comments permission, comments should not be indexed');

    $this->setRolePermissions(DRUPAL_ANONYMOUS_RID, TRUE);
    $this->checkCommentAccess('Anon user has search permission and access comments permission, comments should be indexed', TRUE);

    $this->drupalLogin($this->admin_user);
    $this->drupalGet('admin/people/permissions');

    // Disable search access for authenticated user to test admin user.
    $this->setRolePermissions(DRUPAL_AUTHENTICATED_RID, FALSE, FALSE);

    $this->setRolePermissions($this->admin_role);
    $this->checkCommentAccess('Admin user has search permission but no access comments permission, comments should not be indexed');

    $this->setRolePermissions($this->admin_role, TRUE);
    $this->checkCommentAccess('Admin user has search permission and access comments permission, comments should be indexed', TRUE);

    $this->setRolePermissions(DRUPAL_AUTHENTICATED_RID);
    $this->checkCommentAccess('Authenticated user has search permission but no access comments permission, comments should not be indexed');

    $this->setRolePermissions(DRUPAL_AUTHENTICATED_RID, TRUE);
    $this->checkCommentAccess('Authenticated user has search permission and access comments permission, comments should be indexed', TRUE);

    // Verify that access comments permission is inherited from the
    // authenticated role.
    $this->setRolePermissions(DRUPAL_AUTHENTICATED_RID, TRUE, FALSE);
    $this->setRolePermissions($this->admin_role);
    $this->checkCommentAccess('Admin user has search permission and no access comments permission, but comments should be indexed because admin user inherits authenticated user\'s permission to access comments', TRUE);

    // Verify that search content permission is inherited from the authenticated
    // role.
    $this->setRolePermissions(DRUPAL_AUTHENTICATED_RID, TRUE, TRUE);
    $this->setRolePermissions($this->admin_role, TRUE, FALSE);
    $this->checkCommentAccess('Admin user has access comments permission and no search permission, but comments should be indexed because admin user inherits authenticated user\'s permission to search', TRUE);

  }

  /**
   * Set permissions for role.
   */
  function setRolePermissions($rid, $access_comments = FALSE, $search_content = TRUE) {
    $permissions = array(
      'access comments' => $access_comments,
      'search content' => $search_content,
    );
    user_role_change_permissions($rid, $permissions);
  }

  /**
   * Update search index and search for comment.
   */
  function checkCommentAccess($message, $assume_access = FALSE) {
    // Invoke search index update.
    search_touch_node($this->node->nid);
    $this->cronRun();

    // Search for the comment subject.
    $edit = array(
      'search_block_form' => "'" . $this->comment_subject . "'",
    );
    $this->drupalPost('', $edit, t('Search'));
    $method = $assume_access ? 'assertText' : 'assertNoText';
    $verb = $assume_access ? 'found' : 'not found';
    $this->{$method}($this->node->title, "Node $verb in search results: " . $message);
    $this->{$method}($this->comment_subject, "Comment subject $verb in search results: " . $message);
  }

  /**
   * Verify that 'add new comment' does not appear in search results or index.
   */
  function testAddNewComment() {
    // Create a node with a short body.
    $settings = array(
      'type' => 'article',
      'title' => 'short title',
      'body' => array(LANGUAGE_NONE => array(array('value' => 'short body text'))),
    );

    $user = $this->drupalCreateUser(array('search content', 'create article content', 'access content'));
    $this->drupalLogin($user);

    $node = $this->drupalCreateNode($settings);
    // Verify that if you view the node on its own page, 'add new comment'
    // is there.
    $this->drupalGet('node/' . $node->nid);
    $this->assertText(t('Add new comment'), 'Add new comment appears on node page');

    // Run cron to index this page.
    $this->drupalLogout();
    $this->cronRun();

    // Search for 'comment'. Should be no results.
    $this->drupalLogin($user);
    $this->drupalPost('search/node', array('keys' => 'comment'), t('Search'));
    $this->assertText(t('Your search yielded no results'), 'No results searching for the word comment');

    // Search for the node title. Should be found, and 'Add new comment' should
    // not be part of the search snippet.
    $this->drupalPost('search/node', array('keys' => 'short'), t('Search'));
    $this->assertText($node->title, 'Search for keyword worked');
    $this->assertNoText(t('Add new comment'), 'Add new comment does not appear on search results page');
  }

}

/**
 * Tests search_expression_insert() and search_expression_extract().
 *
 * @see http://drupal.org/node/419388 (issue)
 */
class SearchExpressionInsertExtractTestCase extends DrupalUnitTestCase {
  public static function getInfo() {
    return array(
      'name' => 'Search expression insert/extract',
      'description' => 'Tests the functions search_expression_insert() and search_expression_extract()',
      'group' => 'Search',
    );
  }

  function setUp() {
    drupal_load('module', 'search');
    parent::setUp();
  }

  /**
   * Tests search_expression_insert() and search_expression_extract().
   */
  function testInsertExtract() {
    $base_expression = "mykeyword";
    // Build an array of option, value, what should be in the expression, what
    // should be retrieved from expression.
    $cases = array(
      array('foo', 'bar', 'foo:bar', 'bar'), // Normal case.
      array('foo', NULL, '', NULL), // Empty value: shouldn't insert.
      array('foo', ' ', 'foo:', ''), // Space as value: should insert but retrieve empty string.
      array('foo', '', 'foo:', ''), // Empty string as value: should insert but retrieve empty string.
      array('foo', '0', 'foo:0', '0'), // String zero as value: should insert.
      array('foo', 0, 'foo:0', '0'), // Numeric zero as value: should insert.
    );

    foreach ($cases as $index => $case) {
      $after_insert = search_expression_insert($base_expression, $case[0], $case[1]);
      if (empty($case[2])) {
        $this->assertEqual($after_insert, $base_expression, "Empty insert does not change expression in case $index");
      }
      else {
        $this->assertEqual($after_insert, $base_expression . ' ' . $case[2], "Insert added correct expression for case $index");
      }

      $retrieved = search_expression_extract($after_insert, $case[0]);
      if (!isset($case[3])) {
        $this->assertFalse(isset($retrieved), "Empty retrieval results in unset value in case $index");
      }
      else {
        $this->assertEqual($retrieved, $case[3], "Value is retrieved for case $index");
      }

      $after_clear = search_expression_insert($after_insert, $case[0]);
      $this->assertEqual(trim($after_clear), $base_expression, "After clearing, base expression is restored for case $index");

      $cleared = search_expression_extract($after_clear, $case[0]);
      $this->assertFalse(isset($cleared), "After clearing, value could not be retrieved for case $index");
    }
  }
}

/**
 * Tests that comment count display toggles properly on comment status of node
 *
 * Issue 537278
 *
 * - Nodes with comment status set to Open should always how comment counts
 * - Nodes with comment status set to Closed should show comment counts
 *     only when there are comments
 * - Nodes with comment status set to Hidden should never show comment counts
 */
class SearchCommentCountToggleTestCase extends DrupalWebTestCase {
  protected $searching_user;
  protected $searchable_nodes;

  public static function getInfo() {
    return array(
      'name' => 'Comment count toggle',
      'description' => 'Verify that comment count display toggles properly on comment status of node.',
      'group' => 'Search',
    );
  }

  function setUp() {
    parent::setUp('search');

    // Create searching user.
    $this->searching_user = $this->drupalCreateUser(array('search content', 'access content', 'access comments', 'skip comment approval'));

    // Create initial nodes.
    $node_params = array('type' => 'article', 'body' => array(LANGUAGE_NONE => array(array('value' => 'SearchCommentToggleTestCase'))));

    $this->searchable_nodes['1 comment'] = $this->drupalCreateNode($node_params);
    $this->searchable_nodes['0 comments'] = $this->drupalCreateNode($node_params);

    // Login with sufficient privileges.
    $this->drupalLogin($this->searching_user);

    // Create a comment array
    $edit_comment = array();
    $edit_comment['subject'] = $this->randomName();
    $edit_comment['comment_body[' . LANGUAGE_NONE . '][0][value]'] = $this->randomName();
    $filtered_html_format_id = 'filtered_html';
    $edit_comment['comment_body[' . LANGUAGE_NONE . '][0][format]'] = $filtered_html_format_id;

    // Post comment to the test node with comment
    $this->drupalPost('comment/reply/' . $this->searchable_nodes['1 comment']->nid, $edit_comment, t('Save'));

    // First update the index. This does the initial processing.
    node_update_index();

    // Then, run the shutdown function. Testing is a unique case where indexing
    // and searching has to happen in the same request, so running the shutdown
    // function manually is needed to finish the indexing process.
    search_update_totals();
  }

  /**
   * Verify that comment count display toggles properly on comment status of node
   */
  function testSearchCommentCountToggle() {
    // Search for the nodes by string in the node body.
    $edit = array(
      'search_block_form' => "'SearchCommentToggleTestCase'",
    );

    // Test comment count display for nodes with comment status set to Open
    $this->drupalPost('', $edit, t('Search'));
    $this->assertText(t('0 comments'), 'Empty comment count displays for nodes with comment status set to Open');
    $this->assertText(t('1 comment'), 'Non-empty comment count displays for nodes with comment status set to Open');

    // Test comment count display for nodes with comment status set to Closed
    $this->searchable_nodes['0 comments']->comment = COMMENT_NODE_CLOSED;
    node_save($this->searchable_nodes['0 comments']);
    $this->searchable_nodes['1 comment']->comment = COMMENT_NODE_CLOSED;
    node_save($this->searchable_nodes['1 comment']);

    $this->drupalPost('', $edit, t('Search'));
    $this->assertNoText(t('0 comments'), 'Empty comment count does not display for nodes with comment status set to Closed');
    $this->assertText(t('1 comment'), 'Non-empty comment count displays for nodes with comment status set to Closed');

    // Test comment count display for nodes with comment status set to Hidden
    $this->searchable_nodes['0 comments']->comment = COMMENT_NODE_HIDDEN;
    node_save($this->searchable_nodes['0 comments']);
    $this->searchable_nodes['1 comment']->comment = COMMENT_NODE_HIDDEN;
    node_save($this->searchable_nodes['1 comment']);

    $this->drupalPost('', $edit, t('Search'));
    $this->assertNoText(t('0 comments'), 'Empty comment count does not display for nodes with comment status set to Hidden');
    $this->assertNoText(t('1 comment'), 'Non-empty comment count does not display for nodes with comment status set to Hidden');
  }
}

/**
 * Test search_simplify() on every Unicode character, and some other cases.
 */
class SearchSimplifyTestCase extends DrupalWebTestCase {
  public static function getInfo() {
    return array(
      'name' => 'Search simplify',
      'description' => 'Check that the search_simply() function works as intended.',
      'group' => 'Search',
    );
  }

  /**
   * Tests that all Unicode characters simplify correctly.
   */
  function testSearchSimplifyUnicode() {
    // This test uses a file that was constructed so that the even lines are
    // boundary characters, and the odd lines are valid word characters. (It
    // was generated as a sequence of all the Unicode characters, and then the
    // boundary chararacters (punctuation, spaces, etc.) were split off into
    // their own lines).  So the even-numbered lines should simplify to nothing,
    // and the odd-numbered lines we need to split into shorter chunks and
    // verify that simplification doesn't lose any characters.
    $input = file_get_contents(DRUPAL_ROOT . '/modules/search/tests/UnicodeTest.txt');
    $basestrings = explode(chr(10), $input);
    $strings = array();
    foreach ($basestrings as $key => $string) {
      if ($key %2) {
        // Even line - should simplify down to a space.
        $simplified = search_simplify($string);
        $this->assertIdentical($simplified, ' ', "Line $key is excluded from the index");
      }
      else {
        // Odd line, should be word characters.
        // Split this into 30-character chunks, so we don't run into limits
        // of truncation in search_simplify().
        $start = 0;
        while ($start < drupal_strlen($string)) {
          $newstr = drupal_substr($string, $start, 30);
          // Special case: leading zeros are removed from numeric strings,
          // and there's one string in this file that is numbers starting with
          // zero, so prepend a 1 on that string.
          if (preg_match('/^[0-9]+$/', $newstr)) {
            $newstr = '1' . $newstr;
          }
          $strings[] = $newstr;
          $start += 30;
        }
      }
    }
    foreach ($strings as $key => $string) {
      $simplified = search_simplify($string);
      $this->assertTrue(drupal_strlen($simplified) >= drupal_strlen($string), "Nothing is removed from string $key.");
    }

    // Test the low-numbered ASCII control characters separately. They are not
    // in the text file because they are problematic for diff, especially \0.
    $string = '';
    for ($i = 0; $i < 32; $i++) {
      $string .= chr($i);
    }
    $this->assertIdentical(' ', search_simplify($string), 'Search simplify works for ASCII control characters.');
  }

  /**
   * Tests that search_simplify() does the right thing with punctuation.
   */
  function testSearchSimplifyPunctuation() {
    $cases = array(
      array('20.03/94-28,876', '20039428876', 'Punctuation removed from numbers'),
      array('great...drupal--module', 'great drupal module', 'Multiple dot and dashes are word boundaries'),
      array('very_great-drupal.module', 'verygreatdrupalmodule', 'Single dot, dash, underscore are removed'),
      array('regular,punctuation;word', 'regular punctuation word', 'Punctuation is a word boundary'),
    );

    foreach ($cases as $case) {
      $out = trim(search_simplify($case[0]));
      $this->assertEqual($out, $case[1], $case[2]);
    }
  }
}


/**
 * Tests keywords and conditions.
 */
class SearchKeywordsConditions extends DrupalWebTestCase {

  public static function getInfo() {
    return array(
      'name' => 'Keywords and conditions',
      'description' => 'Verify the search pulls in keywords and extra conditions.',
      'group' => 'Search',
    );
  }

  function setUp() {
    parent::setUp('search', 'search_extra_type');
    // Create searching user.
    $this->searching_user = $this->drupalCreateUser(array('search content', 'access content', 'access comments', 'skip comment approval'));
    // Login with sufficient privileges.
    $this->drupalLogin($this->searching_user);
    // Test with all search modules enabled.
    variable_set('search_active_modules', array('node' => 'node', 'user' => 'user', 'search_extra_type' => 'search_extra_type'));
    menu_rebuild();
  }

  /**
   * Verify the kewords are captured and conditions respected.
   */
  function testSearchKeyswordsConditions() {
    // No keys, not conditions - no results.
    $this->drupalGet('search/dummy_path');
    $this->assertNoText('Dummy search snippet to display');
    // With keys - get results.
    $keys = 'bike shed ' . $this->randomName();
    $this->drupalGet("search/dummy_path/{$keys}");
    $this->assertText("Dummy search snippet to display. Keywords: {$keys}");
    $keys = 'blue drop ' . $this->randomName();
    $this->drupalGet("search/dummy_path", array('query' => array('keys' => $keys)));
    $this->assertText("Dummy search snippet to display. Keywords: {$keys}");
    // Add some conditions and keys.
    $keys = 'moving drop ' . $this->randomName();
    $this->drupalGet("search/dummy_path/bike", array('query' => array('search_conditions' => $keys)));
    $this->assertText("Dummy search snippet to display.");
    $this->assertRaw(print_r(array('search_conditions' => $keys), TRUE));
    // Add some conditions and no keys.
    $keys = 'drop kick ' . $this->randomName();
    $this->drupalGet("search/dummy_path", array('query' => array('search_conditions' => $keys)));
    $this->assertText("Dummy search snippet to display.");
    $this->assertRaw(print_r(array('search_conditions' => $keys), TRUE));
  }
}

/**
 * Tests that numbers can be searched.
 */
class SearchNumbersTestCase extends DrupalWebTestCase {
  protected $test_user;
  protected $numbers;
  protected $nodes;

  public static function getInfo() {
    return array(
      'name' => 'Search numbers',
      'description' => 'Check that numbers can be searched',
      'group' => 'Search',
    );
  }

  function setUp() {
    parent::setUp('search');

    $this->test_user = $this->drupalCreateUser(array('search content', 'access content', 'administer nodes', 'access site reports'));
    $this->drupalLogin($this->test_user);

    // Create content with various numbers in it.
    // Note: 50 characters is the current limit of the search index's word
    // field.
    $this->numbers = array(
      'ISBN' => '978-0446365383',
      'UPC' => '036000 291452',
      'EAN bar code' => '5901234123457',
      'negative' => '-123456.7890',
      'quoted negative' => '"-123456.7890"',
      'leading zero' => '0777777777',
      'tiny' => '111',
      'small' => '22222222222222',
      'medium' => '333333333333333333333333333',
      'large' => '444444444444444444444444444444444444444',
      'gigantic' => '5555555555555555555555555555555555555555555555555',
      'over fifty characters' => '666666666666666666666666666666666666666666666666666666666666',
      'date', '01/02/2009',
      'commas', '987,654,321',
    );

    foreach ($this->numbers as $doc => $num) {
      $info = array(
        'body' => array(LANGUAGE_NONE => array(array('value' => $num))),
        'type' => 'page',
        'language' => LANGUAGE_NONE,
        'title' => $doc . ' number',
      );
      $this->nodes[$doc] = $this->drupalCreateNode($info);
    }

    // Run cron to ensure the content is indexed.
    $this->cronRun();
    $this->drupalGet('admin/reports/dblog');
    $this->assertText(t('Cron run completed'), 'Log shows cron run completed');
  }

  /**
   * Tests that all the numbers can be searched.
   */
  function testNumberSearching() {
    $types = array_keys($this->numbers);

    foreach ($types as $type) {
      $number = $this->numbers[$type];
      // If the number is negative, remove the - sign, because - indicates
      // "not keyword" when searching.
      $number = ltrim($number, '-');
      $node = $this->nodes[$type];

      // Verify that the node title does not appear on the search page
      // with a dummy search.
      $this->drupalPost('search/node',
        array('keys' => 'foo'),
        t('Search'));
      $this->assertNoText($node->title, $type . ': node title not shown in dummy search');

      // Verify that the node title does appear as a link on the search page
      // when searching for the number.
      $this->drupalPost('search/node',
        array('keys' => $number),
        t('Search'));
      $this->assertText($node->title, format_string('%type: node title shown (search found the node) in search for number %number.', array('%type' => $type, '%number' => $number)));
    }
  }
}

/**
 * Tests that numbers can be searched, with more complex matching.
 */
class SearchNumberMatchingTestCase extends DrupalWebTestCase {
  protected $test_user;
  protected $numbers;
  protected $nodes;

  public static function getInfo() {
    return array(
      'name' => 'Search number matching',
      'description' => 'Check that numbers can be searched with more complex matching',
      'group' => 'Search',
    );
  }

  function setUp() {
    parent::setUp('search');

    $this->test_user = $this->drupalCreateUser(array('search content', 'access content', 'administer nodes', 'access site reports'));
    $this->drupalLogin($this->test_user);

    // Define a group of numbers that should all match each other --
    // numbers with internal punctuation should match each other, as well
    // as numbers with and without leading zeros and leading/trailing
    // . and -.
    $this->numbers = array(
      '123456789',
      '12/34/56789',
      '12.3456789',
      '12-34-56789',
      '123,456,789',
      '-123456789',
      '0123456789',
    );

    foreach ($this->numbers as $num) {
      $info = array(
        'body' => array(LANGUAGE_NONE => array(array('value' => $num))),
        'type' => 'page',
        'language' => LANGUAGE_NONE,
      );
      $this->nodes[] = $this->drupalCreateNode($info);
    }

    // Run cron to ensure the content is indexed.
    $this->cronRun();
    $this->drupalGet('admin/reports/dblog');
    $this->assertText(t('Cron run completed'), 'Log shows cron run completed');
  }

  /**
   * Tests that all the numbers can be searched.
   */
  function testNumberSearching() {
    for ($i = 0; $i < count($this->numbers); $i++) {
      $node = $this->nodes[$i];

      // Verify that the node title does not appear on the search page
      // with a dummy search.
      $this->drupalPost('search/node',
        array('keys' => 'foo'),
        t('Search'));
      $this->assertNoText($node->title, format_string('%number: node title not shown in dummy search', array('%number' => $i)));

      // Now verify that we can find node i by searching for any of the
      // numbers.
      for ($j = 0; $j < count($this->numbers); $j++) {
        $number = $this->numbers[$j];
        // If the number is negative, remove the - sign, because - indicates
        // "not keyword" when searching.
        $number = ltrim($number, '-');

        $this->drupalPost('search/node',
          array('keys' => $number),
          t('Search'));
        $this->assertText($node->title, format_string('%i: node title shown (search found the node) in search for number %number', array('%i' => $i, '%number' => $number)));
      }
    }

  }
}

/**
 * Test config page.
 */
class SearchConfigSettingsForm extends DrupalWebTestCase {
  public $search_user;
  public $search_node;

  public static function getInfo() {
    return array(
      'name' => 'Config settings form',
      'description' => 'Verify the search config settings form.',
      'group' => 'Search',
    );
  }

  function setUp() {
    parent::setUp('search', 'search_extra_type');

    // Login as a user that can create and search content.
    $this->search_user = $this->drupalCreateUser(array('search content', 'administer search', 'administer nodes', 'bypass node access', 'access user profiles', 'administer users', 'administer blocks'));
    $this->drupalLogin($this->search_user);

    // Add a single piece of content and index it.
    $node = $this->drupalCreateNode();
    $this->search_node = $node;
    // Link the node to itself to test that it's only indexed once. The content
    // also needs the word "pizza" so we can use it as the search keyword.
    $langcode = LANGUAGE_NONE;
    $body_key = "body[$langcode][0][value]";
    $edit[$body_key] = l($node->title, 'node/' . $node->nid) . ' pizza sandwich';
    $this->drupalPost('node/' . $node->nid . '/edit', $edit, t('Save'));

    node_update_index();
    search_update_totals();

    // Enable the search block.
    $edit = array();
    $edit['blocks[search_form][region]'] = 'content';
    $this->drupalPost('admin/structure/block', $edit, t('Save blocks'));
  }

  /**
   * Verify the search settings form.
   */
  function testSearchSettingsPage() {

    // Test that the settings form displays the correct count of items left to index.
    $this->drupalGet('admin/config/search/settings');
    $this->assertText(t('There are @count items left to index.', array('@count' => 0)));

    // Test the re-index button.
    $this->drupalPost('admin/config/search/settings', array(), t('Re-index site'));
    $this->assertText(t('Are you sure you want to re-index the site'));
    $this->drupalPost('admin/config/search/settings/reindex', array(), t('Re-index site'));
    $this->assertText(t('The index will be rebuilt'));
    $this->drupalGet('admin/config/search/settings');
    $this->assertText(t('There is 1 item left to index.'));

    // Test that the form saves with the default values.
    $this->drupalPost('admin/config/search/settings', array(), t('Save configuration'));
    $this->assertText(t('The configuration options have been saved.'), 'Form saves with the default values.');

    // Test that the form does not save with an invalid word length.
    $edit = array(
      'minimum_word_size' => $this->randomName(3),
    );
    $this->drupalPost('admin/config/search/settings', $edit, t('Save configuration'));
    $this->assertNoText(t('The configuration options have been saved.'), 'Form does not save with an invalid word length.');
  }

  /**
   * Verify that you can disable individual search modules.
   */
  function testSearchModuleDisabling() {
    // Array of search modules to test: 'path' is the search path, 'title' is
    // the tab title, 'keys' are the keywords to search for, and 'text' is
    // the text to assert is on the results page.
    $module_info = array(
      'node' => array(
        'path' => 'node',
        'title' => 'Content',
        'keys' => 'pizza',
        'text' => $this->search_node->title,
      ),
      'user' => array(
        'path' => 'user',
        'title' => 'User',
        'keys' => $this->search_user->name,
        'text' => $this->search_user->mail,
      ),
      'search_extra_type' => array(
        'path' => 'dummy_path',
        'title' => 'Dummy search type',
        'keys' => 'foo',
        'text' => 'Dummy search snippet to display',
      ),
    );
    $modules = array_keys($module_info);

    // Test each module if it's enabled as the only search module.
    foreach ($modules as $module) {
      // Enable the one module and disable other ones.
      $info = $module_info[$module];
      $edit = array();
      foreach ($modules as $other) {
        $edit['search_active_modules[' . $other . ']'] = (($other == $module) ? $module : FALSE);
      }
      $edit['search_default_module'] = $module;
      $this->drupalPost('admin/config/search/settings', $edit, t('Save configuration'));

      // Run a search from the correct search URL.
      $this->drupalGet('search/' . $info['path'] . '/' . $info['keys']);
      $this->assertNoText('no results', $info['title'] . ' search found results');
      $this->assertText($info['text'], 'Correct search text found');

      // Verify that other module search tab titles are not visible.
      foreach ($modules as $other) {
        if ($other != $module) {
          $title = $module_info[$other]['title'];
          $this->assertNoText($title, $title . ' search tab is not shown');
        }
      }

      // Run a search from the search block on the node page. Verify you get
      // to this module's search results page.
      $terms = array('search_block_form' => $info['keys']);
      $this->drupalPost('node', $terms, t('Search'));
      $this->assertEqual(
        $this->getURL(),
        url('search/' . $info['path'] . '/' . $info['keys'], array('absolute' => TRUE)),
        'Block redirected to right search page');

      // Try an invalid search path. Should redirect to our active module.
      $this->drupalGet('search/not_a_module_path');
      $this->assertEqual(
        $this->getURL(),
        url('search/' . $info['path'], array('absolute' => TRUE)),
        'Invalid search path redirected to default search page');
    }

    // Test with all search modules enabled. When you go to the search
    // page or run search, all modules should be shown.
    $edit = array();
    foreach ($modules as $module) {
      $edit['search_active_modules[' . $module . ']'] = $module;
    }
    $edit['search_default_module'] = 'node';

    $this->drupalPost('admin/config/search/settings', $edit, t('Save configuration'));

    foreach (array('search/node/pizza', 'search/node') as $path) {
      $this->drupalGet($path);
      foreach ($modules as $module) {
        $title = $module_info[$module]['title'];
        $this->assertText($title, format_string('%title search tab is shown', array('%title' => $title)));
      }
    }
  }
}

/**
 * Tests the search_excerpt() function.
 */
class SearchExcerptTestCase extends DrupalWebTestCase {
  public static function getInfo() {
    return array(
      'name' => 'Search excerpt extraction',
      'description' => 'Tests that the search_excerpt() function works.',
      'group' => 'Search',
    );
  }

  function setUp() {
    parent::setUp('search');
  }

  /**
   * Tests search_excerpt() with several simulated search keywords.
   *
   * Passes keywords and a sample marked up string, "The quick
   * brown fox jumps over the lazy dog", and compares it to the
   * correctly marked up string. The correctly marked up string
   * contains either highlighted keywords or the original marked
   * up string if no keywords matched the string.
   */
  function testSearchExcerpt() {
    // Make some text with entities and tags.
    $text = 'The <strong>quick</strong> <a href="#">brown</a> fox &amp; jumps <h2>over</h2> the lazy dog';
    // Note: The search_excerpt() function adds some extra spaces -- not
    // important for HTML formatting. Remove these for comparison.
    $expected = 'The quick brown fox &amp; jumps over the lazy dog';
    $result = preg_replace('| +|', ' ', search_excerpt('nothing', $text));
    $this->assertEqual(preg_replace('| +|', ' ', $result), $expected, 'Entire string is returned when keyword is not found in short string');

    $result = preg_replace('| +|', ' ', search_excerpt('fox', $text));
    $this->assertEqual($result, 'The quick brown <strong>fox</strong> &amp; jumps over the lazy dog ...', 'Found keyword is highlighted');

    $longtext = str_repeat($text . ' ', 10);
    $result = preg_replace('| +|', ' ', search_excerpt('nothing', $longtext));
    $this->assertTrue(strpos($result, $expected) === 0, 'When keyword is not found in long string, return value starts as expected');

    $entities = str_repeat('k&eacute;sz&iacute;t&eacute;se ', 20);
    $result = preg_replace('| +|', ' ', search_excerpt('nothing', $entities));
    $this->assertFalse(strpos($result, '&'), 'Entities are not present in excerpt');
    $this->assertTrue(strpos($result, 'í') > 0, 'Entities are converted in excerpt');

    // The node body that will produce this rendered $text is:
    // 123456789 HTMLTest +123456789+&lsquo;  +&lsquo;  +&lsquo;  +&lsquo;  +12345678  &nbsp;&nbsp;  +&lsquo;  +&lsquo;  +&lsquo;   &lsquo;
    $text = "<div class=\"field field-name-body field-type-text-with-summary field-label-hidden\"><div class=\"field-items\"><div class=\"field-item even\" property=\"content:encoded\"><p>123456789 HTMLTest +123456789+‘  +‘  +‘  +‘  +12345678      +‘  +‘  +‘   ‘</p>\n</div></div></div> ";
    $result = search_excerpt('HTMLTest', $text);
    $this->assertFalse(empty($result),  'Rendered Multi-byte HTML encodings are not corrupted in search excerpts');
  }

  /**
   * Tests search_excerpt() with search keywords matching simplified words.
   *
   * Excerpting should handle keywords that are matched only after going through
   * search_simplify(). This test passes keywords that match simplified words
   * and compares them with strings that contain the original unsimplified word.
   */
  function testSearchExcerptSimplified() {
    $lorem1 = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Etiam vitae arcu at leo cursus laoreet. Curabitur dui tortor, adipiscing malesuada tempor in, bibendum ac diam. Cras non tellus a libero pellentesque condimentum. What is a Drupalism? Suspendisse ac lacus libero. Ut non est vel nisl faucibus interdum nec sed leo. Pellentesque sem risus, vulputate eu semper eget, auctor in libero.';
    $lorem2 = 'Ut fermentum est vitae metus convallis scelerisque. Phasellus pellentesque rhoncus tellus, eu dignissim purus posuere id. Quisque eu fringilla ligula. Morbi ullamcorper, lorem et mattis egestas, tortor neque pretium velit, eget eleifend odio turpis eu purus. Donec vitae metus quis leo pretium tincidunt a pulvinar sem. Morbi adipiscing laoreet mauris vel placerat. Nullam elementum, nisl sit amet scelerisque malesuada, dolor nunc hendrerit quam, eu ultrices erat est in orci.';

    // Make some text with some keywords that will get simplified.
    $text = $lorem1 . ' Number: 123456.7890 Hyphenated: one-two abc,def ' . $lorem2;
    // Note: The search_excerpt() function adds some extra spaces -- not
    // important for HTML formatting. Remove these for comparison.
    $result = preg_replace('| +|', ' ', search_excerpt('123456.7890', $text));
    $this->assertTrue(strpos($result, 'Number: <strong>123456.7890</strong>') !== FALSE, 'Numeric keyword is highlighted with exact match');

    $result = preg_replace('| +|', ' ', search_excerpt('1234567890', $text));
    $this->assertTrue(strpos($result, 'Number: <strong>123456.7890</strong>') !== FALSE, 'Numeric keyword is highlighted with simplified match');

    $result = preg_replace('| +|', ' ', search_excerpt('Number 1234567890', $text));
    $this->assertTrue(strpos($result, '<strong>Number</strong>: <strong>123456.7890</strong>') !== FALSE, 'Punctuated and numeric keyword is highlighted with simplified match');

    $result = preg_replace('| +|', ' ', search_excerpt('"Number 1234567890"', $text));
    $this->assertTrue(strpos($result, '<strong>Number: 123456.7890</strong>') !== FALSE, 'Phrase with punctuated and numeric keyword is highlighted with simplified match');

    $result = preg_replace('| +|', ' ', search_excerpt('"Hyphenated onetwo"', $text));
    $this->assertTrue(strpos($result, '<strong>Hyphenated: one-two</strong>') !== FALSE, 'Phrase with punctuated and hyphenated keyword is highlighted with simplified match');

    $result = preg_replace('| +|', ' ', search_excerpt('"abc def"', $text));
    $this->assertTrue(strpos($result, '<strong>abc,def</strong>') !== FALSE, 'Phrase with keyword simplified into two separate words is highlighted with simplified match');

    // Test phrases with characters which are being truncated.
    $result = preg_replace('| +|', ' ', search_excerpt('"ipsum _"', $text));
    $this->assertTrue(strpos($result, '<strong>ipsum </strong>') !== FALSE, 'Only valid part of the phrase is highlighted and invalid part containing "_" is ignored.');

    $result = preg_replace('| +|', ' ', search_excerpt('"ipsum 0000"', $text));
    $this->assertTrue(strpos($result, '<strong>ipsum </strong>') !== FALSE, 'Only valid part of the phrase is highlighted and invalid part "0000" is ignored.');

    // Test combination of the valid keyword and keyword containing only
    // characters which are being truncated during simplification.
    $result = preg_replace('| +|', ' ', search_excerpt('ipsum _', $text));
    $this->assertTrue(strpos($result, '<strong>ipsum</strong>') !== FALSE, 'Only valid keyword is highlighted and invalid keyword "_" is ignored.');

    $result = preg_replace('| +|', ' ', search_excerpt('ipsum 0000', $text));
    $this->assertTrue(strpos($result, '<strong>ipsum</strong>') !== FALSE, 'Only valid keyword is highlighted and invalid keyword "0000" is ignored.');
  }
}

/**
 * Test the CJK tokenizer.
 */
class SearchTokenizerTestCase extends DrupalWebTestCase {
  public static function getInfo() {
    return array(
      'name' => 'CJK tokenizer',
      'description' => 'Check that CJK tokenizer works as intended.',
      'group' => 'Search',
    );
  }

  function setUp() {
    parent::setUp('search');
  }

  /**
   * Verifies that strings of CJK characters are tokenized.
   *
   * The search_simplify() function does special things with numbers, symbols,
   * and punctuation. So we only test that CJK characters that are not in these
   * character classes are tokenized properly. See PREG_CLASS_CKJ for more
   * information.
   */
  function testTokenizer() {
    // Set the minimum word size to 1 (to split all CJK characters) and make
    // sure CJK tokenizing is turned on.
    variable_set('minimum_word_size', 1);
    variable_set('overlap_cjk', TRUE);
    $this->refreshVariables();

    // Create a string of CJK characters from various character ranges in
    // the Unicode tables.

    // Beginnings of the character ranges.
    $starts = array(
      'CJK unified' => 0x4e00,
      'CJK Ext A' => 0x3400,
      'CJK Compat' => 0xf900,
      'Hangul Jamo' => 0x1100,
      'Hangul Ext A' => 0xa960,
      'Hangul Ext B' => 0xd7b0,
      'Hangul Compat' => 0x3131,
      'Half non-punct 1' => 0xff21,
      'Half non-punct 2' => 0xff41,
      'Half non-punct 3' => 0xff66,
      'Hangul Syllables' => 0xac00,
      'Hiragana' => 0x3040,
      'Katakana' => 0x30a1,
      'Katakana Ext' => 0x31f0,
      'CJK Reserve 1' => 0x20000,
      'CJK Reserve 2' => 0x30000,
      'Bomofo' => 0x3100,
      'Bomofo Ext' => 0x31a0,
      'Lisu' => 0xa4d0,
      'Yi' => 0xa000,
    );

    // Ends of the character ranges.
    $ends = array(
      'CJK unified' => 0x9fcf,
      'CJK Ext A' => 0x4dbf,
      'CJK Compat' => 0xfaff,
      'Hangul Jamo' => 0x11ff,
      'Hangul Ext A' => 0xa97f,
      'Hangul Ext B' => 0xd7ff,
      'Hangul Compat' => 0x318e,
      'Half non-punct 1' => 0xff3a,
      'Half non-punct 2' => 0xff5a,
      'Half non-punct 3' => 0xffdc,
      'Hangul Syllables' => 0xd7af,
      'Hiragana' => 0x309f,
      'Katakana' => 0x30ff,
      'Katakana Ext' => 0x31ff,
      'CJK Reserve 1' => 0x2fffd,
      'CJK Reserve 2' => 0x3fffd,
      'Bomofo' => 0x312f,
      'Bomofo Ext' => 0x31b7,
      'Lisu' => 0xa4fd,
      'Yi' => 0xa48f,
    );

    // Generate characters consisting of starts, midpoints, and ends.
    $chars = array();
    $charcodes = array();
    foreach ($starts as $key => $value) {
      $charcodes[] = $starts[$key];
      $chars[] = $this->code2utf($starts[$key]);
      $mid = round(0.5 * ($starts[$key] + $ends[$key]));
      $charcodes[] = $mid;
      $chars[] = $this->code2utf($mid);
      $charcodes[] = $ends[$key];
      $chars[] = $this->code2utf($ends[$key]);
    }

    // Merge into a string and tokenize.
    $string = implode('', $chars);
    $out = trim(search_simplify($string));
    $expected = drupal_strtolower(implode(' ', $chars));

    // Verify that the output matches what we expect.
    $this->assertEqual($out, $expected, 'CJK tokenizer worked on all supplied CJK characters');
  }

  /**
   * Verifies that strings of non-CJK characters are not tokenized.
   *
   * This is just a sanity check - it verifies that strings of letters are
   * not tokenized.
   */
  function testNoTokenizer() {
    // Set the minimum word size to 1 (to split all CJK characters) and make
    // sure CJK tokenizing is turned on.
    variable_set('minimum_word_size', 1);
    variable_set('overlap_cjk', TRUE);
    $this->refreshVariables();

    $letters = 'abcdefghijklmnopqrstuvwxyz';
    $out = trim(search_simplify($letters));

    $this->assertEqual($letters, $out, 'Letters are not CJK tokenized');
  }

  /**
   * Like PHP chr() function, but for unicode characters.
   *
   * chr() only works for ASCII characters up to character 255. This function
   * converts a number to the corresponding unicode character. Adapted from
   * functions supplied in comments on several functions on php.net.
   */
  function code2utf($num) {
    if ($num < 128) {
      return chr($num);
    }

    if ($num < 2048) {
      return chr(($num >> 6) + 192) . chr(($num & 63) + 128);
    }

    if ($num < 65536) {
      return chr(($num >> 12) + 224) . chr((($num >> 6) & 63) + 128) . chr(($num & 63) + 128);
    }

    if ($num < 2097152) {
      return chr(($num >> 18) + 240) . chr((($num >> 12) & 63) + 128) . chr((($num >> 6) & 63) + 128) . chr(($num & 63) + 128);
    }

    return '';
  }
}

/**
 * Tests that we can embed a form in search results and submit it.
 */
class SearchEmbedForm extends DrupalWebTestCase {
  /**
   * Node used for testing.
   */
  public $node;

  /**
   * Count of how many times the form has been submitted.
   */
  public $submit_count = 0;

  public static function getInfo() {
    return array(
      'name' => 'Embedded forms',
      'description' => 'Verifies that a form embedded in search results works',
      'group' => 'Search',
    );
  }

  function setUp() {
    parent::setUp('search', 'search_embedded_form');

    // Create a user and a node, and update the search index.
    $test_user = $this->drupalCreateUser(array('access content', 'search content', 'administer nodes'));
    $this->drupalLogin($test_user);

    $this->node = $this->drupalCreateNode();

    node_update_index();
    search_update_totals();

    // Set up a dummy initial count of times the form has been submitted.
    $this->submit_count = 12;
    variable_set('search_embedded_form_submitted', $this->submit_count);
    $this->refreshVariables();
  }

  /**
   * Tests that the embedded form appears and can be submitted.
   */
  function testEmbeddedForm() {
    // First verify we can submit the form from the module's page.
    $this->drupalPost('search_embedded_form',
      array('name' => 'John'),
      t('Send away'));
    $this->assertText(t('Test form was submitted'), 'Form message appears');
    $count = variable_get('search_embedded_form_submitted', 0);
    $this->assertEqual($this->submit_count + 1, $count, 'Form submission count is correct');
    $this->submit_count = $count;

    // Now verify that we can see and submit the form from the search results.
    $this->drupalGet('search/node/' . $this->node->title);
    $this->assertText(t('Your name'), 'Form is visible');
    $this->drupalPost('search/node/' . $this->node->title,
      array('name' => 'John'),
      t('Send away'));
    $this->assertText(t('Test form was submitted'), 'Form message appears');
    $count = variable_get('search_embedded_form_submitted', 0);
    $this->assertEqual($this->submit_count + 1, $count, 'Form submission count is correct');
    $this->submit_count = $count;

    // Now verify that if we submit the search form, it doesn't count as
    // our form being submitted.
    $this->drupalPost('search',
      array('keys' => 'foo'),
      t('Search'));
    $this->assertNoText(t('Test form was submitted'), 'Form message does not appear');
    $count = variable_get('search_embedded_form_submitted', 0);
    $this->assertEqual($this->submit_count, $count, 'Form submission count is correct');
    $this->submit_count = $count;
  }
}

/**
 * Tests that hook_search_page runs.
 */
class SearchPageOverride extends DrupalWebTestCase {
  public $search_user;

  public static function getInfo() {
    return array(
      'name' => 'Search page override',
      'description' => 'Verify that hook_search_page can override search page display.',
      'group' => 'Search',
    );
  }

  function setUp() {
    parent::setUp('search', 'search_extra_type');

    // Login as a user that can create and search content.
    $this->search_user = $this->drupalCreateUser(array('search content', 'administer search'));
    $this->drupalLogin($this->search_user);

    // Enable the extra type module for searching.
    variable_set('search_active_modules', array('node' => 'node', 'user' => 'user', 'search_extra_type' => 'search_extra_type'));
    menu_rebuild();
  }

  function testSearchPageHook() {
    $keys = 'bike shed ' . $this->randomName();
    $this->drupalGet("search/dummy_path/{$keys}");
    $this->assertText('Dummy search snippet', 'Dummy search snippet is shown');
    $this->assertText('Test page text is here', 'Page override is working');
  }
}

/**
 * Test node search with multiple languages.
 */
class SearchLanguageTestCase extends DrupalWebTestCase {
  public static function getInfo() {
    return array(
      'name' => 'Search language selection',
      'description' => 'Tests advanced search with different languages enabled.',
      'group' => 'Search',
    );
  }

  /**
   * Implementation setUp().
   */
  function setUp() {
    parent::setUp('search', 'locale');

    // Create and login user.
    $test_user = $this->drupalCreateUser(array('access content', 'search content', 'use advanced search', 'administer nodes', 'administer languages', 'access administration pages'));
    $this->drupalLogin($test_user);
  }

  function testLanguages() {
    // Check that there are initially no languages displayed.
    $this->drupalGet('search/node');
    $this->assertNoText(t('Languages'), 'No languages to choose from.');

    // Add predefined language.
    $edit = array('langcode' => 'fr');
    $this->drupalPost('admin/config/regional/language/add', $edit, t('Add language'));
    $this->assertText('fr', 'Language added successfully.');

    // Now we should have languages displayed.
    $this->drupalGet('search/node');
    $this->assertText(t('Languages'), 'Languages displayed to choose from.');
    $this->assertText(t('English'), 'English is a possible choice.');
    $this->assertText(t('French'), 'French is a possible choice.');

    // Ensure selecting no language does not make the query different.
    $this->drupalPost('search/node', array(), t('Advanced search'));
    $this->assertEqual($this->getUrl(), url('search/node/', array('absolute' => TRUE)), 'Correct page redirection, no language filtering.');

    // Pick French and ensure it is selected.
    $edit = array('language[fr]' => TRUE);
    $this->drupalPost('search/node', $edit, t('Advanced search'));
    $this->assertFieldByXPath('//input[@name="keys"]', 'language:fr', 'Language filter added to query.');

    // Change the default language and disable English.
    $path = 'admin/config/regional/language';
    $this->drupalGet($path);
    $this->assertFieldChecked('edit-site-default-en', 'English is the default language.');
    $edit = array('site_default' => 'fr');
    $this->drupalPost(NULL, $edit, t('Save configuration'));
    $this->assertNoFieldChecked('edit-site-default-en', 'Default language updated.');
    $edit = array('enabled[en]' => FALSE);
    $this->drupalPost('admin/config/regional/language', $edit, t('Save configuration'));
    $this->assertNoFieldChecked('edit-enabled-en', 'Language disabled.');

    // Check that there are again no languages displayed.
    $this->drupalGet('search/node');
    $this->assertNoText(t('Languages'), 'No languages to choose from.');
  }
}

/**
 * Tests node search with node access control.
 */
class SearchNodeAccessTest extends DrupalWebTestCase {
  public $test_user;

  public static function getInfo() {
    return array(
      'name' => 'Search and node access',
      'description' => 'Tests search functionality with node access control.',
      'group' => 'Search',
    );
  }

  function setUp() {
    parent::setUp('search', 'node_access_test');
    node_access_rebuild();

    // Create a test user and log in.
    $this->test_user = $this->drupalCreateUser(array('access content', 'search content', 'use advanced search'));
    $this->drupalLogin($this->test_user);
  }

  /**
   * Tests that search returns results with punctuation in the search phrase.
   */
  function testPhraseSearchPunctuation() {
    $node = $this->drupalCreateNode(array('body' => array(LANGUAGE_NONE => array(array('value' => "The bunny's ears were fuzzy.")))));

    // Update the search index.
    module_invoke_all('update_index');
    search_update_totals();

    // Refresh variables after the treatment.
    $this->refreshVariables();

    // Submit a phrase wrapped in double quotes to include the punctuation.
    $edit = array('keys' => '"bunny\'s"');
    $this->drupalPost('search/node', $edit, t('Search'));
    $this->assertText($node->title);
  }
}

/**
 * Tests searching with locale values set.
 */
class SearchSetLocaleTest extends DrupalWebTestCase {

  public static function getInfo() {
    return array(
      'name' => 'Search with numeric locale set',
      'description' => 'Check that search works with numeric locale settings',
      'group' => 'Search',
    );
  }

  function setUp() {
    parent::setUp('search');

    // Create a simple node so something will be put in the index.
    $info = array(
      'body' => array(LANGUAGE_NONE => array(array('value' => 'Tapir'))),
    );
    $this->drupalCreateNode($info);

    // Run cron to index.
    $this->cronRun();
  }

  /**
   * Verify that search works with a numeric locale set.
   */
  public function testSearchWithNumericLocale() {
    // French decimal point is comma.
    setlocale(LC_NUMERIC, 'fr_FR');

    // An exception will be thrown if a float in the wrong format occurs in the
    // query to the database, so an assertion is not necessary here.
    db_select('search_index', 'i')
      ->extend('searchquery')
      ->searchexpression('tapir', 'node')
      ->execute();
  }
}