more tests for lib/lib.php

diff --git a/tests-php/Nominatim/NominatimTest.php b/tests-php/Nominatim/NominatimTest.php
index 68519e4804c81f06de4c41099bdb1161d2358d93..a36c029e606a2e691d60a3961867203435a5d197 100644 (file)
--- a/tests-php/Nominatim/NominatimTest.php
+++ b/tests-php/Nominatim/NominatimTest.php
@@ -1,7 +1,7 @@
 <?php
 
 namespace Nominatim;
-require 'lib/lib.php';
+require '../lib/lib.php';
 
 
 class NominatimTest extends \PHPUnit_Framework_TestCase
@@ -74,4 +74,76 @@ 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
+               // 20 words => 169766 sets
+               // 28 words => 397594 sets
+               $this->assertEquals(
+                       8,
+                       count( getWordSets(array_fill( 0, 4, 'a'),0) )
+               );
+
+
+               $this->assertEquals(
+                       8,
+                       count( getWordSets(array_fill( 0, 28, 'a'),0) )
+               );
+
+
+
+       }
+
+
 }