xapian-bindings/php/smoketest.php

   1 <?php
   2 // Run this PHP script using 'make check' in the build tree.
   3
   4 /* Simple test to ensure that we can load the xapian module and exercise basic
   5  * functionality successfully.
   6  *
   7  * Copyright (C) 2004,2005,2006,2007,2009,2011,2012,2013,2014,2015,2016,2017 Olly Betts
   8  * Copyright (C) 2010 Richard Boulton
   9  *
  10  * This program is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU General Public License as
  12  * published by the Free Software Foundation; either version 2 of the
  13  * License, or (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
  23  * USA
  24  */
  25
  26 # Die on any error, warning, notice, etc.
  27 function die_on_error($errno, $errstr, $file, $line) {
  28     if ($file !== Null) {
  29         print $file;
  30         if ($line !== Null) print ":$line";
  31         print ": ";
  32     }
  33     print "$errstr\n";
  34     exit(1);
  35 }
  36 set_error_handler("die_on_error", -1);
  37
  38 include "xapian.php";
  39
  40 # Test the version number reporting functions give plausible results.
  41 $v = Xapian::major_version().'.'.Xapian::minor_version().'.'.Xapian::revision();
  42 $v2 = Xapian::version_string();
  43 if ($v != $v2) {
  44     print "Unexpected version output ($v != $v2)\n";
  45     exit(1);
  46 }
  47
  48 $db = new XapianWritableDatabase('', Xapian::DB_BACKEND_INMEMORY);
  49 $db2 = new XapianWritableDatabase('', Xapian::DB_BACKEND_INMEMORY);
  50
  51 # Check PHP5 handling of Xapian::DocNotFoundError
  52 try {
  53     $doc2 = $db->get_document(2);
  54     print "Retrieved non-existent document\n";
  55     exit(1);
  56 } catch (Exception $e) {
  57     if ($e->getMessage() !== "DocNotFoundError: Docid 2 not found") {
  58         print "DocNotFoundError Exception string not as expected, got: '{$e->getMessage()}'\n";
  59         exit(1);
  60     }
  61 }
  62
  63 # Check QueryParser parsing error.
  64 try {
  65     $qp = new XapianQueryParser;
  66     $qp->set_stemmer(new XapianStem("en"));
  67     $qp->parse_query("test AND");
  68     print "Successfully parsed bad query\n";
  69     exit(1);
  70 } catch (Exception $e) {
  71     if ($e->getMessage() !== "QueryParserError: Syntax: <expression> AND <expression>") {
  72         print "QueryParserError Exception string not as expected, got: '$e->getMessage()'\n";
  73         exit(1);
  74     }
  75 }
  76
  77 # Check that open_stub() is wrapped as expected.
  78 try {
  79     $db = Xapian::auto_open_stub("nosuchdir/nosuchdb");
  80     print "Opened non-existent stub database\n";
  81     exit(1);
  82 } catch (Exception $e) {
  83     if ($e->getMessage() !== "DatabaseNotFoundError: Couldn't open stub database file: nosuchdir/nosuchdb (No such file or directory)") {
  84         print "DatabaseOpeningError Exception string not as expected, got: '{$e->getMessage()}'\n";
  85         exit(1);
  86     }
  87 }
  88
  89 # Check that DB_BACKEND_STUB works as expected.
  90 try {
  91     $db = new XapianDatabase("nosuchdir/nosuchdb", Xapian::DB_BACKEND_STUB);
  92     print "Opened non-existent stub database\n";
  93     exit(1);
  94 } catch (Exception $e) {
  95     if ($e->getMessage() !== "DatabaseNotFoundError: Couldn't open stub database file: nosuchdir/nosuchdb (No such file or directory)") {
  96         print "DatabaseNotFoundError Exception string not as expected, got: '{$e->getMessage()}'\n";
  97         exit(1);
  98     }
  99 }
 100
 101 # Check that open_stub() writable form is wrapped as expected.
 102 try {
 103     $db = Xapian::auto_open_stub("nosuchdir/nosuchdb", Xapian::DB_OPEN);
 104     print "Opened non-existent stub database\n";
 105     exit(1);
 106 } catch (Exception $e) {
 107     if ($e->getMessage() !== "DatabaseNotFoundError: Couldn't open stub database file: nosuchdir/nosuchdb (No such file or directory)") {
 108         print "DatabaseOpeningError Exception string not as expected, got: '{$e->getMessage()}'\n";
 109         exit(1);
 110     }
 111 }
 112
 113 # Check that DB_BACKEND_STUB works as expected.
 114 try {
 115     $db = new XapianWritableDatabase("nosuchdir/nosuchdb",
 116                                      Xapian::DB_OPEN|Xapian::DB_BACKEND_STUB);
 117     print "Opened non-existent stub database\n";
 118     exit(1);
 119 } catch (Exception $e) {
 120     if ($e->getMessage() !== "DatabaseNotFoundError: Couldn't open stub database file: nosuchdir/nosuchdb (No such file or directory)") {
 121         print "DatabaseNotFoundError Exception string not as expected, got: '{$e->getMessage()}'\n";
 122         exit(1);
 123     }
 124 }
 125
 126 # Regression test for bug#193, fixed in 1.0.3.
 127 $vrp = new XapianNumberValueRangeProcessor(0, '$', true);
 128 $a = '$10';
 129 $b = '20';
 130 $vrp->apply($a, $b);
 131 if (Xapian::sortable_unserialise($a) != 10) {
 132     print Xapian::sortable_unserialise($a)." != 10\n";
 133     exit(1);
 134 }
 135 if (Xapian::sortable_unserialise($b) != 20) {
 136     print Xapian::sortable_unserialise($b)." != 20\n";
 137     exit(1);
 138 }
 139
 140 $stem = new XapianStem("english");
 141 if ($stem->get_description() != "Xapian::Stem(english)") {
 142     print "Unexpected \$stem->get_description()\n";
 143     exit(1);
 144 }
 145
 146 $doc = new XapianDocument();
 147 $doc->set_data("a\x00b");
 148 if ($doc->get_data() === "a") {
 149     print "get_data+set_data truncates at a zero byte\n";
 150     exit(1);
 151 }
 152 if ($doc->get_data() !== "a\x00b") {
 153     print "get_data+set_data doesn't transparently handle a zero byte\n";
 154     exit(1);
 155 }
 156 $doc->set_data("is there anybody out there?");
 157 $doc->add_term("XYzzy");
 158 $doc->add_posting($stem->apply("is"), 1);
 159 $doc->add_posting($stem->apply("there"), 2);
 160 $doc->add_posting($stem->apply("anybody"), 3);
 161 $doc->add_posting($stem->apply("out"), 4);
 162 $doc->add_posting($stem->apply("there"), 5);
 163
 164 // Check virtual function dispatch.
 165 if (substr($db->get_description(), 0, 17) !== "WritableDatabase(") {
 166     print "Unexpected \$db->get_description()\n";
 167     exit(1);
 168 }
 169 $db->add_document($doc);
 170 if ($db->get_doccount() != 1) {
 171     print "Unexpected \$db->get_doccount()\n";
 172     exit(1);
 173 }
 174
 175 $terms = array("smoke", "test", "terms");
 176 $query = new XapianQuery(XapianQuery::OP_OR, $terms);
 177 if ($query->get_description() != "Query((smoke OR test OR terms))") {
 178     print "Unexpected \$query->get_description()\n";
 179     exit(1);
 180 }
 181 $query1 = new XapianQuery(XapianQuery::OP_PHRASE, array("smoke", "test", "tuple"));
 182 if ($query1->get_description() != "Query((smoke PHRASE 3 test PHRASE 3 tuple))") {
 183     print "Unexpected \$query1->get_description()\n";
 184     exit(1);
 185 }
 186 $query1b = new XapianQuery(XapianQuery::OP_NEAR, array("smoke", "test", "tuple"), 4);
 187 if ($query1b->get_description() != "Query((smoke NEAR 4 test NEAR 4 tuple))") {
 188     print "Unexpected \$query1b->get_description()\n";
 189     exit(1);
 190 }
 191 $query2 = new XapianQuery(XapianQuery::OP_XOR, array(new XapianQuery("smoke"), $query1, "string"));
 192 if ($query2->get_description() != "Query((smoke XOR (smoke PHRASE 3 test PHRASE 3 tuple) XOR string))") {
 193     print "Unexpected \$query2->get_description()\n";
 194     exit(1);
 195 }
 196 $subqs = array("a", "b");
 197 $query3 = new XapianQuery(XapianQuery::OP_OR, $subqs);
 198 if ($query3->get_description() != "Query((a OR b))") {
 199     print "Unexpected \$query3->get_description()\n";
 200     exit(1);
 201 }
 202 $enq = new XapianEnquire($db);
 203
 204 // This ought to be wrapped as a constant, but this tests how it has been
 205 // wrapped for some time in PHP bindings, which we need to maintain for
 206 // compatibility with existing user code.
 207 $enq->set_collapse_key(Xapian::BAD_VALUENO_get());
 208
 209 $enq->set_query(new XapianQuery(XapianQuery::OP_OR, "there", "is"));
 210 $mset = $enq->get_mset(0, 10);
 211 if ($mset->size() != 1) {
 212     print "Unexpected \$mset->size()\n";
 213     exit(1);
 214 }
 215 $terms = join(" ", $enq->get_matching_terms($mset->get_hit(0)));
 216 if ($terms != "is there") {
 217     print "Unexpected matching terms: $terms\n";
 218     exit(1);
 219 }
 220
 221 # Feature test for MatchDecider
 222 $doc = new XapianDocument();
 223 $doc->set_data("Two");
 224 $doc->add_posting($stem->apply("out"), 1);
 225 $doc->add_posting($stem->apply("outside"), 1);
 226 $doc->add_posting($stem->apply("source"), 2);
 227 $doc->add_value(0, "yes");
 228 $db->add_document($doc);
 229
 230 class testmatchdecider extends XapianMatchDecider {
 231     function apply($doc) {
 232         return ($doc->get_value(0) == "yes");
 233     }
 234 }
 235
 236 $query = new XapianQuery($stem->apply("out"));
 237 $enquire = new XapianEnquire($db);
 238 $enquire->set_query($query);
 239 $mdecider = new testmatchdecider();
 240 $mset = $enquire->get_mset(0, 10, null, $mdecider);
 241 if ($mset->size() != 1) {
 242     print "Unexpected number of documents returned by match decider (".$mset->size().")\n";
 243     exit(1);
 244 }
 245 if ($mset->get_docid(0) != 2) {
 246     print "MatchDecider mset has wrong docid in\n";
 247     exit(1);
 248 }
 249
 250 class testexpanddecider extends XapianExpandDecider {
 251     function apply($term) {
 252         return ($term[0] !== 'a');
 253     }
 254 }
 255
 256 $enquire = new XapianEnquire($db);
 257 $rset = new XapianRSet();
 258 $rset->add_document(1);
 259 $eset = $enquire->get_eset(10, $rset, XapianEnquire::USE_EXACT_TERMFREQ, 1.0, new testexpanddecider());
 260 foreach ($eset->begin() as $t) {
 261     if ($t[0] === 'a') {
 262         print "XapianExpandDecider was not used\n";
 263         exit(1);
 264     }
 265 }
 266
 267 # Check min_wt argument to get_eset() works (new in 1.2.5).
 268 $eset = $enquire->get_eset(100, $rset, XapianEnquire::USE_EXACT_TERMFREQ);
 269 $min_wt = 0;
 270 foreach ($eset->begin() as $i => $dummy) {
 271     $min_wt = $i->get_weight();
 272 }
 273 if ($min_wt >= 1.9) {
 274     print "ESet min weight too high for testcase\n";
 275     exit(1);
 276 }
 277 $eset = $enquire->get_eset(100, $rset, XapianEnquire::USE_EXACT_TERMFREQ, 1.0, NULL, 1.9);
 278 $min_wt = 0;
 279 foreach ($eset->begin() as $i => $dummy) {
 280     $min_wt = $i->get_weight();
 281 }
 282 if ($min_wt < 1.9) {
 283     print "ESet min_wt threshold not applied\n";
 284     exit(1);
 285 }
 286
 287 if (XapianQuery::OP_ELITE_SET != 10) {
 288     print "OP_ELITE_SET is XapianQuery::OP_ELITE_SET not 10\n";
 289     exit(1);
 290 }
 291
 292 # Regression test - overload resolution involving boolean types failed.
 293 $enq->set_sort_by_value(1, TRUE);
 294
 295 # Regression test - fixed in 0.9.10.1.
 296 $oqparser = new XapianQueryParser();
 297 $oquery = $oqparser->parse_query("I like tea");
 298
 299 # Regression test for bug#192 - fixed in 1.0.3.
 300 $enq->set_cutoff(100);
 301
 302 # Check DateRangeProcessor works.
 303 function add_rp_date(&$qp) {
 304     $rpdate = new XapianDateRangeProcessor(1, Xapian::RP_DATE_PREFER_MDY, 1960);
 305     $qp->add_rangeprocessor($rpdate);
 306 }
 307 $qp = new XapianQueryParser();
 308 add_rp_date($qp);
 309 $query = $qp->parse_query('12/03/99..12/04/01');
 310 if ($query->get_description() !== 'Query(VALUE_RANGE 1 19991203 20011204)') {
 311     print "XapianDateRangeProcessor didn't work - result was ".$query->get_description()."\n";
 312     exit(1);
 313 }
 314
 315 # Check DateValueRangeProcessor works.
 316 function add_vrp_date(&$qp) {
 317     $vrpdate = new XapianDateValueRangeProcessor(1, 1, 1960);
 318     $qp->add_valuerangeprocessor($vrpdate);
 319 }
 320 $qp = new XapianQueryParser();
 321 add_vrp_date($qp);
 322 $query = $qp->parse_query('12/03/99..12/04/01');
 323 if ($query->get_description() !== 'Query(VALUE_RANGE 1 19991203 20011204)') {
 324     print "XapianDateValueRangeProcessor didn't work - result was ".$query->get_description()."\n";
 325     exit(1);
 326 }
 327
 328 # Feature test for XapianFieldProcessor
 329 class testfieldprocessor extends XapianFieldProcessor {
 330     function apply($str) {
 331         if ($str === 'spam') throw new Exception('already spam');
 332         return new XapianQuery("spam");
 333     }
 334 }
 335
 336 $tfp = new testfieldprocessor();
 337 $qp->add_prefix('spam', $tfp);
 338 $query = $qp->parse_query('spam:ignored');
 339 if ($query->get_description() !== 'Query(spam)') {
 340     print "testfieldprocessor didn't work - result was ".$query->get_description()."\n";
 341     exit(1);
 342 }
 343
 344 try {
 345     $query = $qp->parse_query('spam:spam');
 346     print "testfieldprocessor exception not rethrown\n";
 347     exit(1);
 348 } catch (Exception $e) {
 349     if ($e->getMessage() !== 'already spam') {
 350         print "Exception has wrong message\n";
 351         exit(1);
 352     }
 353 }
 354
 355 # Test setting and getting metadata
 356 if ($db->get_metadata('Foo') !== '') {
 357     print "Unexpected value for metadata associated with 'Foo' (expected ''): '".$db->get_metadata('Foo')."'\n";
 358     exit(1);
 359 }
 360 $db->set_metadata('Foo', 'Foo');
 361 if ($db->get_metadata('Foo') !== 'Foo') {
 362     print "Unexpected value for metadata associated with 'Foo' (expected 'Foo'): '".$db->get_metadata('Foo')."'\n";
 363     exit(1);
 364 }
 365
 366 # Test OP_SCALE_WEIGHT and corresponding constructor
 367 $query4 = new XapianQuery(XapianQuery::OP_SCALE_WEIGHT, new XapianQuery('foo'), 5.0);
 368 if ($query4->get_description() != "Query(5 * foo)") {
 369     print "Unexpected \$query4->get_description()\n";
 370     exit(1);
 371 }
 372
 373 # Test MultiValueKeyMaker.
 374
 375 $doc = new XapianDocument();
 376 $doc->add_term("foo");
 377 $doc->add_value(0, "ABB");
 378 $db2->add_document($doc);
 379 $doc->add_value(0, "ABC");
 380 $db2->add_document($doc);
 381 $doc->add_value(0, "ABC\0");
 382 $db2->add_document($doc);
 383 $doc->add_value(0, "ABCD");
 384 $db2->add_document($doc);
 385 $doc->add_value(0, "ABC\xff");
 386 $db2->add_document($doc);
 387
 388 $enquire = new XapianEnquire($db2);
 389 $enquire->set_query(new XapianQuery("foo"));
 390
 391 {
 392     $sorter = new XapianMultiValueKeyMaker();
 393     $sorter->add_value(0);
 394     $enquire->set_sort_by_key($sorter, true);
 395     $mset = $enquire->get_mset(0, 10);
 396     mset_expect_order($mset, array(5, 4, 3, 2, 1));
 397 }
 398
 399 {
 400     $sorter = new XapianMultiValueKeyMaker();
 401     $sorter->add_value(0, true);
 402     $enquire->set_sort_by_key($sorter, true);
 403     $mset = $enquire->get_mset(0, 10);
 404     mset_expect_order($mset, array(1, 2, 3, 4, 5));
 405 }
 406
 407 {
 408     $sorter = new XapianMultiValueKeyMaker();
 409     $sorter->add_value(0);
 410     $sorter->add_value(1);
 411     $enquire->set_sort_by_key($sorter, true);
 412     $mset = $enquire->get_mset(0, 10);
 413     mset_expect_order($mset, array(5, 4, 3, 2, 1));
 414 }
 415
 416 {
 417     $sorter = new XapianMultiValueKeyMaker();
 418     $sorter->add_value(0, true);
 419     $sorter->add_value(1);
 420     $enquire->set_sort_by_key($sorter, true);
 421     $mset = $enquire->get_mset(0, 10);
 422     mset_expect_order($mset, array(1, 2, 3, 4, 5));
 423 }
 424
 425 {
 426     $sorter = new XapianMultiValueKeyMaker();
 427     $sorter->add_value(0);
 428     $sorter->add_value(1, true);
 429     $enquire->set_sort_by_key($sorter, true);
 430     $mset = $enquire->get_mset(0, 10);
 431     mset_expect_order($mset, array(5, 4, 3, 2, 1));
 432 }
 433
 434 {
 435     $sorter = new XapianMultiValueKeyMaker();
 436     $sorter->add_value(0, true);
 437     $sorter->add_value(1, true);
 438     $enquire->set_sort_by_key($sorter, true);
 439     $mset = $enquire->get_mset(0, 10);
 440     mset_expect_order($mset, array(1, 2, 3, 4, 5));
 441 }
 442
 443 # Feature test for ValueSetMatchDecider:
 444 {
 445     $md = new XapianValueSetMatchDecider(0, true);
 446     $md->add_value("ABC");
 447     $doc = new XapianDocument();
 448     $doc->add_value(0, "ABCD");
 449     if ($md->apply($doc)) {
 450         print "Unexpected result from ValueSetMatchDecider->apply(); expected false\n";
 451         exit(1);
 452     }
 453
 454     $doc = new XapianDocument();
 455     $doc->add_value(0, "ABC");
 456     if (!$md->apply($doc)) {
 457         print "Unexpected result from ValueSetMatchDecider->apply(); expected true\n";
 458         exit(1);
 459     }
 460
 461     $mset = $enquire->get_mset(0, 10, 0, null, $md, null);
 462     mset_expect_order($mset, array(2));
 463
 464     $md = new XapianValueSetMatchDecider(0, false);
 465     $md->add_value("ABC");
 466     $mset = $enquire->get_mset(0, 10, 0, null, $md, null);
 467     mset_expect_order($mset, array(1, 3, 4, 5));
 468 }
 469
 470 function mset_expect_order($mset, $a) {
 471     if ($mset->size() != sizeof($a)) {
 472         print "MSet has ".$mset->size()." entries, expected ".sizeof($a)."\n";
 473         exit(1);
 474     }
 475     for ($j = 0; $j < sizeof($a); ++$j) {
 476         $docid = $mset->get_hit($j)->get_docid();
 477         if ($docid != $a[$j]) {
 478             print "Expected MSet[$j] to be $a[$j], got ".$docid()."\n";
 479             exit(1);
 480         }
 481     }
 482 }
 483
 484 # Feature tests for Query "term" constructor optional arguments:
 485 $query_wqf = new XapianQuery('wqf', 3);
 486 if ($query_wqf->get_description() != 'Query(wqf#3)') {
 487     print "Unexpected \$query_wqf->get_description():\n";
 488     print $query_wqf->get_description() . "\n";
 489     exit(1);
 490 }
 491
 492 $query = new XapianQuery(XapianQuery::OP_VALUE_GE, 0, "100");
 493 if ($query->get_description() != 'Query(VALUE_GE 0 100)') {
 494     print "Unexpected \$query->get_description():\n";
 495     print $query->get_description() . "\n";
 496     exit(1);
 497 }
 498
 499 $query = XapianQuery::MatchAll();
 500 if ($query->get_description() != 'Query(<alldocuments>)') {
 501     print "Unexpected \$query->get_description():\n";
 502     print $query->get_description() . "\n";
 503     exit(1);
 504 }
 505
 506 $query = XapianQuery::MatchNothing();
 507 if ($query->get_description() != 'Query()') {
 508     print "Unexpected \$query->get_description():\n";
 509     print $query->get_description() . "\n";
 510     exit(1);
 511 }
 512
 513 # Test access to matchspy values:
 514 {
 515     $matchspy = new XapianValueCountMatchSpy(0);
 516     $enquire->add_matchspy($matchspy);
 517     $enquire->get_mset(0, 10);
 518     $values = array();
 519     foreach ($matchspy->values_begin() as $k => $term) {
 520         $values[$term] = $k->get_termfreq();
 521     }
 522     $expected = array(
 523         "ABB" => 1,
 524         "ABC" => 1,
 525         "ABC\0" => 1,
 526         "ABCD" => 1,
 527         "ABC\xff" => 1,
 528     );
 529     if ($values != $expected) {
 530         print "Unexpected matchspy values():\n";
 531         var_dump($values);
 532         var_dump($expected);
 533         print "\n";
 534         exit(1);
 535     }
 536 }
 537
 538 {
 539     class testspy extends XapianMatchSpy {
 540         public $matchspy_count = 0;
 541
 542         function apply($doc, $wt) {
 543             if (substr($doc->get_value(0), 0, 3) == "ABC") ++$this->matchspy_count;
 544         }
 545     }
 546
 547     $matchspy = new testspy();
 548     $enquire->clear_matchspies();
 549     $enquire->add_matchspy($matchspy);
 550     $enquire->get_mset(0, 10);
 551     if ($matchspy->matchspy_count != 4) {
 552         print "Unexpected matchspy count of {$matchspy->matchspy_count}\n";
 553         exit(1);
 554     }
 555 }
 556
 557 # Regression test for SWIG bug - it was generating "return $r;" in wrapper
 558 # functions which didn't set $r.
 559 $indexer = new XapianTermGenerator();
 560 $doc = new XapianDocument();
 561
 562 $indexer->set_document($doc);
 563 $indexer->index_text("I ask nothing in return");
 564 $indexer->index_text_without_positions("Tea time");
 565 $indexer->index_text("Return in time");
 566
 567 $s = '';
 568 foreach ($doc->termlist_begin() as $term) {
 569     $s .= $term . ' ';
 570 }
 571 if ($s !== 'ask i in nothing return tea time ') {
 572     print "PHP Iterator wrapping of TermIterator doesn't work ($s)\n";
 573     exit(1);
 574 }
 575
 576 $s = '';
 577 foreach ($doc->termlist_begin() as $k => $term) {
 578     $s .= $term . ':' . $k->get_wdf() . ' ';
 579 }
 580 if ($s !== 'ask:1 i:1 in:2 nothing:1 return:2 tea:1 time:2 ') {
 581     print "PHP Iterator wrapping of TermIterator keys doesn't work ($s)\n";
 582     exit(1);
 583 }
 584
 585 # Test GeoSpatial API
 586 $coord = new XapianLatLongCoord();
 587 $coord = new XapianLatLongCoord(-41.288889, 174.777222);
 588
 589 define('COORD_SLOT', 2);
 590 $metric = new XapianGreatCircleMetric();
 591 $range = 42.0;
 592
 593 $centre = new XapianLatLongCoords($coord);
 594 $query = new XapianQuery(new XapianLatLongDistancePostingSource(COORD_SLOT, $centre, $metric, $range));
 595
 596 $db = new XapianWritableDatabase('', Xapian::DB_BACKEND_INMEMORY);
 597 $coords = new XapianLatLongCoords();
 598 $coords->append(new XapianLatLongCoord(40.6048, -74.4427));
 599 $doc = new XapianDocument();
 600 $doc->add_term("coffee");
 601 $doc->add_value(COORD_SLOT, $coords->serialise());
 602 $db->add_document($doc);
 603
 604 $centre = new XapianLatLongCoords();
 605 $centre->append(new XapianLatLongCoord(40.6048, -74.4427));
 606
 607 $ps = new XapianLatLongDistancePostingSource(COORD_SLOT, $centre, $metric, $range);
 608 $q = new XapianQuery("coffee");
 609 $q = new XapianQuery(XapianQuery::OP_AND, $q, new XapianQuery($ps));
 610
 611 $enq = new XapianEnquire($db);
 612 $enq->set_query($q);
 613 $mset = $enq->get_mset(0, 10);
 614 if ($mset->size() != 1) {
 615     print "Expected one result with XapianLatLongDistancePostingSource, got ";
 616     print $mset->size() . "\n";
 617     exit(1);
 618 }
 619
 620 $s = '';
 621 foreach ($db->allterms_begin() as $k => $term) {
 622     $s .= "($term:{$k->get_termfreq()})";
 623 }
 624 if ($s !== '(coffee:1)') {
 625     print "PHP Iterator iteration of allterms doesn't work ($s)\n";
 626     exit(1);
 627 }
 628
 629 # Test reference tracking and regression test for #659.
 630 $qp = new XapianQueryParser();
 631 {
 632     $stop = new XapianSimpleStopper();
 633     $stop->add('a');
 634     $qp->set_stopper($stop);
 635 }
 636 $query = $qp->parse_query('a b');
 637 if ($query->get_description() !== 'Query(b@2)') {
 638     print "XapianQueryParser::set_stopper() didn't work as expected - result was ".$query->get_description()."\n";
 639     exit(1);
 640 }
 641
 642 ?>