[OptionsResolver] Improve invalid type message on nested option

CHANGELOG.md

@@ -1,6 +1,11 @@
 CHANGELOG
 =========
 
+6.4
+---
+
+* Improve message with full path on invalid type in nested option
+
 6.3
 ---
 

OptionsResolver.php

@@ -1064,7 +1064,7 @@ public function offsetGet(mixed $option, bool $triggerDeprecation = true): mixed
  if (!$success) {
  $message = sprintf(
  'The option "%s" with value %s is invalid.',
- $option,
+ $this->formatOptions([$option]),
  $this->formatValue($value)
  );
 

Tests/OptionsResolverTest.php

@@ -1009,6 +1009,32 @@ public function testFailIfSetAllowedValuesFromLazyOption()
  $this->resolver->resolve();
  }
 
+ public function testResolveFailsIfInvalidValueFromNestedOption()
+ {
+ $this->expectException(InvalidOptionsException::class);
+ $this->expectExceptionMessage('The option "foo[bar]" with value "invalid value" is invalid. Accepted values are: "valid value".');
+ $this->resolver->setDefault('foo', function (OptionsResolver $resolver) {
+ $resolver
+ ->setDefined('bar')
+ ->setAllowedValues('bar', 'valid value');
+ });
+
+ $this->resolver->resolve(['foo' => ['bar' => 'invalid value']]);
+ }
+
+ public function testResolveFailsIfInvalidTypeFromNestedOption()
+ {
+ $this->expectException(InvalidOptionsException::class);
+ $this->expectExceptionMessage('The option "foo[bar]" with value 1 is expected to be of type "string", but is of type "int".');
+ $this->resolver->setDefault('foo', function (OptionsResolver $resolver) {
+ $resolver
+ ->setDefined('bar')
+ ->setAllowedTypes('bar', 'string');
+ });
+
+ $this->resolver->resolve(['foo' => ['bar' => 1]]);
+ }
+
  public function testResolveFailsIfInvalidValue()
  {
  $this->expectException(InvalidOptionsException::class);