more tests for libphp - incorporate lonvias feedback

[nominatim.git] / tests-php / Nominatim / NominatimTest.php

diff --git a/tests-php/Nominatim/NominatimTest.php b/tests-php/Nominatim/NominatimTest.php
index 7ab6893424020262cca9ce4086ba9d7ac6b61ef4..4c5638b14eaebaa26f25ab2b310b720c49bec1fb 100644 (file)
--- a/tests-php/Nominatim/NominatimTest.php
+++ b/tests-php/Nominatim/NominatimTest.php
@@ -74,4 +74,78 @@ class NominatimTest extends \PHPUnit_Framework_TestCase
 
        }
 
+
+
+       public function test_getWordSets()
+       {
+
+               // given an array of arrays like
+               // array( array('a','b'), array('c','d') )
+               // returns a summary as string: '(a|b),(c|d)'
+               function serialize_sets($aSets)
+               {       
+                       $aParts = array();
+                       foreach($aSets as $aSet){
+                               $aParts[] = '(' . join('|', $aSet) . ')';
+                       }
+                       return join(',', $aParts);
+               }
+
+               $this->assertEquals(
+                       array(array('')),
+                       getWordSets(array(),0)
+               );
+
+               $this->assertEquals(
+                       '(a)',
+                       serialize_sets( getWordSets(array("a"),0) )
+               );
+
+               $this->assertEquals(
+                       '(a b),(a|b)',
+                       serialize_sets( getWordSets(array('a','b'),0) )
+               );
+
+               $this->assertEquals(
+                       '(a b c),(a|b c),(a|b|c),(a b|c)',
+                       serialize_sets( getWordSets(array('a','b','c'),0) )
+               );
+
+               $this->assertEquals(
+                       '(a b c d),(a|b c d),(a|b|c d),(a|b|c|d),(a|b c|d),(a b|c d),(a b|c|d),(a b c|d)',
+                       serialize_sets( getWordSets(array('a','b','c','d'),0) )
+               );
+
+
+               // Inverse
+               $this->assertEquals(
+                       '(a b c),(c|a b),(c|b|a),(b c|a)',
+                       serialize_sets( getInverseWordSets(array('a','b','c'),0) )
+               );
+
+
+               // make sure we don't create too many sets
+               // 4 words => 8 sets
+               // 10 words => 511 sets
+               // 15 words => 12911 sets
+               // 18 words => 65536 sets
+               // 20 words => 169766 sets
+               // 22 words => 401930 sets
+               // 28 words => 3505699 sets (needs more than 4GB via 'phpunit -d memory_limit=' to run)
+               $this->assertEquals(
+                       8,
+                       count( getWordSets(array_fill( 0, 4, 'a'),0) )
+               );
+
+
+               $this->assertEquals(
+                       65536,
+                       count( getWordSets(array_fill( 0, 18, 'a'),0) )
+               );
+
+
+
+       }
+
+
 }