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[OptionsResolver] Support union of types #59354

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Merged
merged 1 commit into from
Jan 6, 2025
Merged

[OptionsResolver] Support union of types #59354

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58 changes: 56 additions & 2 deletions src/Symfony/Component/OptionsResolver/OptionsResolver.php
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Original file line number Diff line number Diff line change
Expand Up @@ -1139,8 +1139,28 @@ public function offsetGet(mixed $option, bool $triggerDeprecation = true): mixed
return $value;
}

private function verifyTypes(string $type, mixed $value, array &$invalidTypes, int $level = 0): bool
private function verifyTypes(string $type, mixed $value, ?array &$invalidTypes = null, int $level = 0): bool
{
$allowedTypes = $this->splitOutsideParenthesis($type);
if (\count($allowedTypes) > 1) {
foreach ($allowedTypes as $allowedType) {
if ($this->verifyTypes($allowedType, $value)) {
return true;
}
}

if (\is_array($invalidTypes) && (!$invalidTypes || $level > 0)) {
$invalidTypes[get_debug_type($value)] = true;
}

return false;
}

$type = $allowedTypes[0];
if (str_starts_with($type, '(') && str_ends_with($type, ')')) {
return $this->verifyTypes(substr($type, 1, -1), $value, $invalidTypes, $level);
}

if (\is_array($value) && str_ends_with($type, '[]')) {
$type = substr($type, 0, -2);
$valid = true;
Expand All @@ -1158,13 +1178,47 @@ private function verifyTypes(string $type, mixed $value, array &$invalidTypes, i
return true;
}

if (!$invalidTypes || $level > 0) {
if (\is_array($invalidTypes) && (!$invalidTypes || $level > 0)) {
$invalidTypes[get_debug_type($value)] = true;
}

return false;
}

/**
* @return list<string>
*/
private function splitOutsideParenthesis(string $type): array
{
$parts = [];
$currentPart = '';
$parenthesisLevel = 0;

$typeLength = \strlen($type);
for ($i = 0; $i < $typeLength; ++$i) {
$char = $type[$i];

if ('(' === $char) {
++$parenthesisLevel;
} elseif (')' === $char) {
--$parenthesisLevel;
}

if ('|' === $char && 0 === $parenthesisLevel) {
$parts[] = $currentPart;
$currentPart = '';
} else {
$currentPart .= $char;
}
}

if ('' !== $currentPart) {
$parts[] = $currentPart;
}

return $parts;
}

/**
* Returns whether a resolved option with the given name exists.
*
Expand Down
68 changes: 68 additions & 0 deletions src/Symfony/Component/OptionsResolver/Tests/OptionsResolverTest.php
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Original file line number Diff line number Diff line change
Expand Up @@ -778,6 +778,44 @@ public function testSetAllowedTypesFailsIfUnknownOption()
$this->resolver->setAllowedTypes('foo', 'string');
}

public function testResolveTypedWithUnion()
{
$this->resolver->setDefined('foo');
$this->resolver->setAllowedTypes('foo', 'string|int');

$options = $this->resolver->resolve(['foo' => 1]);
$this->assertSame(['foo' => 1], $options);

$options = $this->resolver->resolve(['foo' => '1']);
$this->assertSame(['foo' => '1'], $options);
}

public function testResolveTypedWithUnionOfClasse()
{
$this->resolver->setDefined('foo');
$this->resolver->setAllowedTypes('foo', \DateTime::class.'|'.\DateTimeImmutable::class);

$datetime = new \DateTime();
$options = $this->resolver->resolve(['foo' => $datetime]);
$this->assertSame(['foo' => $datetime], $options);

$datetime = new \DateTimeImmutable();
$options = $this->resolver->resolve(['foo' => $datetime]);
$this->assertSame(['foo' => $datetime], $options);
}

public function testResolveTypedWithUnionOfArray()
{
$this->resolver->setDefined('foo');
$this->resolver->setAllowedTypes('foo', '(string|int)[]|(bool|int)[]');

$options = $this->resolver->resolve(['foo' => [1, '1']]);
$this->assertSame(['foo' => [1, '1']], $options);

$options = $this->resolver->resolve(['foo' => [1, true]]);
$this->assertSame(['foo' => [1, true]], $options);
}

public function testResolveTypedArray()
{
$this->resolver->setDefined('foo');
Expand All @@ -787,6 +825,15 @@ public function testResolveTypedArray()
$this->assertSame(['foo' => ['bar', 'baz']], $options);
}

public function testResolveTypedArrayWithUnion()
{
$this->resolver->setDefined('foo');
$this->resolver->setAllowedTypes('foo', '(string|int)[]');
$options = $this->resolver->resolve(['foo' => ['bar', 1]]);

$this->assertSame(['foo' => ['bar', 1]], $options);
}

public function testFailIfSetAllowedTypesFromLazyOption()
{
$this->expectException(AccessException::class);
Expand Down Expand Up @@ -878,6 +925,7 @@ public static function provideInvalidTypes()
[[null], ['string[]', 'string'], 'The option "option" with value array is expected to be of type "string[]" or "string", but one of the elements is of type "null".'],
[['string', null], ['string[]', 'string'], 'The option "option" with value array is expected to be of type "string[]" or "string", but one of the elements is of type "null".'],
[[\stdClass::class], ['string'], 'The option "option" with value array is expected to be of type "string", but is of type "array".'],
[['foo', 12], '(string|bool)[]', 'The option "option" with value array is expected to be of type "(string|bool)[]", but one of the elements is of type "int".'],
];
}

Expand Down Expand Up @@ -1903,6 +1951,26 @@ public function testNestedArrays()
]));
}

public function testNestedArraysWithUnions()
{
$this->resolver->setDefined('foo');
$this->resolver->setAllowedTypes('foo', '(int|float|(int|float)[])[]');

$this->assertEquals([
'foo' => [
1,
2.0,
[1, 2.0],
],
], $this->resolver->resolve([
'foo' => [
1,
2.0,
[1, 2.0],
],
]));
}

public function testNested2Arrays()
{
$this->resolver->setDefined('foo');
Expand Down
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