improved error message in parameter formatter

Author: transistive

src/ParameterHelper.php

@@ -21,6 +21,7 @@
 use DateInterval;
 use DateTimeInterface;
 use DateTimeZone;
+use function get_debug_type;
 use function gettype;
 use InvalidArgumentException;
 use function is_array;
@@ -110,7 +111,7 @@ private static function stringAbleToString($value): ?string
     private static function filterInvalidType($value)
     {
         if ($value !== null && !is_scalar($value)) {
-            throw new InvalidArgumentException('Requests must be iterable, scalar, null or string able');
+            throw new InvalidArgumentException(sprintf('Cannot format parameter of type: %s to work with Neo4J', get_debug_type($value)));
         }
 
         return $value;

tests/Unit/ParameterHelperTest.php

@@ -148,7 +148,7 @@ public function __toString(): string
     public function testInvalidType(): void
     {
         $this->expectException(InvalidArgumentException::class);
-        $this->expectExceptionMessage('Requests must be iterable, scalar, null or string able');
+        $this->expectExceptionMessage('Cannot format parameter of type: stdClass to work with Neo4J');
         ParameterHelper::asParameter(new stdClass());
     }
 }