Validator: method validatePattern() for UploadControl multiple (#192)

Author: h4kuna

src/Forms/Validator.php

@@ -251,8 +251,14 @@ public static function validateUrl(IControl $control): bool
 	 */
 	public static function validatePattern(IControl $control, string $pattern, bool $caseInsensitive = false): bool
 	{
-		$value = $control->getValue() instanceof Nette\Http\FileUpload ? $control->getValue()->getName() : $control->getValue();
-		return (bool) Strings::match($value, "\x01^(?:$pattern)\\z\x01u" . ($caseInsensitive ? 'i' : ''));
+		$regexp = "\x01^(?:$pattern)\\z\x01u" . ($caseInsensitive ? 'i' : '');
+		foreach (static::toArray($control->getValue()) as $item) {
+			$value = $item instanceof Nette\Http\FileUpload ? $item->getName() : $item;
+			if (!Strings::match($value, $regexp)) {
+				return false;
+			}
+		}
+		return true;
 	}
 
 

tests/Forms/Controls.TestBase.validators.phpt

@@ -120,6 +120,18 @@ test(function () {
 	]);
 	Assert::false(Validator::validatePattern($control, '[4-6]+y'));
 	Assert::true(Validator::validatePattern($control, '[1-3]+x'));
+
+	$control = new MockUploadControl(null, true);
+	$control->value = [new FileUpload([
+		'name' => 'foo.jpg', 'size' => 1, 'tmp_name' => 'foo1', 'error' => UPLOAD_ERR_OK, 'type' => '',
+	])];
+	Assert::true(Validator::validatePattern($control, '.*jpg'));
+
+	$control = new MockUploadControl(null, true);
+	$control->value = [new FileUpload([
+		'name' => 'bar.png', 'size' => 1, 'tmp_name' => 'bar1', 'error' => UPLOAD_ERR_OK, 'type' => '',
+	])];
+	Assert::false(Validator::validatePattern($control, '.*jpg'));
 });