improvement: added not like/contains filters

Author: emajo

lib/Filter/Operator.php

@@ -14,6 +14,8 @@ abstract class Operator
     public const IS_NOT = 'is not';
     public const LIKE = 'like';
     public const CONTAINS = 'contains';
+    public const NOT_LIKE = 'not like';
+    public const NOT_CONTAINS = 'not contains';
     public const STARTS_WITH = 'starts with';
     public const ENDS_WITH = 'ends with';
 }

test/Filter/DisjunctionTest.php

@@ -75,9 +75,9 @@ public function testBuildQuery()
      */
     public function testToString()
     {
-        $left = new Condition('city', Operator::EQ, 'Bergamo');
+        $left = new Condition('city', Operator::NOT_CONTAINS, 'Bergamo');
         $right = new Condition('age', Operator::LT, 30);
         $disjunction = new Disjunction($left, $right);
-        $this->assertEquals("(city = 'Bergamo' or age < 30)", (string)$disjunction);
+        $this->assertEquals("(city not contains 'Bergamo' or age < 30)", (string)$disjunction);
     }
 }