Improve database IN and NOT IN rules tests

Author: VladimirBerdnik

src/RuleSet.php

@@ -90,8 +90,7 @@ protected function appendIfNotExists($rule)
     {
         if (in_array($rule, $this->rules)) {
             return $this;
-        }
-        else {
+        } else {
             return new static(array_merge($this->rules, [$rule]));
         }
     }
@@ -108,16 +107,15 @@ protected static function mergeIfNotExists(string $rule, array $rules = []): arr
     {
         if (in_array($rule, $rules)) {
             return $rules;
-        }
-        else {
+        } else {
             return array_merge($rules, [$rule]);
         }
     }
 
     /** Return current rule set as array */
     public function toArray(): array
     {
-        return array_map(function($rule) {
+        return array_map(function ($rule) {
             if ($rule instanceof IRule) {
                 return (string)$rule;
             } else {

tests/RuleTest.php

@@ -64,17 +64,17 @@ public function testSometimes()
      */
     public function testIn()
     {
-        $this->assertEquals('in:male,female', Rule::in('male', 'female'));
-        $this->assertEquals('in:Male,Female', Rule::in(Gender::getConstants()));
+        $this->assertEquals('in:"male","female"', Rule::in('male', 'female'));
+        $this->assertEquals('in:"Male","Female"', Rule::in(Gender::getConstants()));
     }
 
     /**
      * Rule 'notIn' can accept values as list of parameters or as array
      */
     public function testNotIn()
     {
-        $this->assertEquals('not_in:forbidden,deleted', Rule::notIn('forbidden', 'deleted'));
-        $this->assertEquals('not_in:forbidden,deleted', Rule::notIn(['forbidden', 'deleted']));
+        $this->assertEquals('not_in:"forbidden","deleted"', Rule::notIn('forbidden', 'deleted'));
+        $this->assertEquals('not_in:"forbidden","deleted"', Rule::notIn(['forbidden', 'deleted']));
     }
 
     /**