Merge branch '3.4' into 4.4

* 3.4:
  [Yaml] Fix for #36624; Allow PHP constant as first key in block
  Use PHPUnit 9.3 on php 8.
  fix mapping errors from unmapped forms
  [Validator] Add target guards for Composite nested constraints

phpunit

@@ -12,7 +12,11 @@ if (!getenv('SYMFONY_PHPUNIT_VERSION')) {
         if (false === getenv('SYMFONY_PHPUNIT_REMOVE_RETURN_TYPEHINT') && false !== strpos(@file_get_contents(__DIR__.'/src/Symfony/Component/HttpKernel/Kernel.php'), 'const MAJOR_VERSION = 3;')) {
             putenv('SYMFONY_PHPUNIT_REMOVE_RETURN_TYPEHINT=1');
         }
-        putenv('SYMFONY_PHPUNIT_VERSION=8.3');
+        if (\PHP_VERSION_ID >= 80000) {
+            putenv('SYMFONY_PHPUNIT_VERSION=9.3');
+        } else {
+            putenv('SYMFONY_PHPUNIT_VERSION=8.3');
+        }
     } elseif (\PHP_VERSION_ID >= 70000) {
         putenv('SYMFONY_PHPUNIT_VERSION=6.5');
     }

src/Symfony/Component/Form/Extension/Validator/ViolationMapper/ViolationMapper.php

@@ -231,13 +231,6 @@ class ViolationMapper implements ViolationMapperInterface
                 // Form inherits its parent data
                 // Cut the piece out of the property path and proceed
                 $propertyPathBuilder->remove($i);
-            } elseif (!$scope->getConfig()->getMapped()) {
-                // Form is not mapped
-                // Set the form as new origin and strip everything
-                // we have so far in the path
-                $origin = $scope;
-                $propertyPathBuilder->remove(0, $i + 1);
-                $i = 0;
             } else {
                 /* @var \Symfony\Component\PropertyAccess\PropertyPathInterface $propertyPath */
                 $propertyPath = $scope->getPropertyPath();

src/Symfony/Component/Form/Tests/Extension/Validator/ViolationMapper/Fixtures/Issue.php

@@ -0,0 +1,16 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Form\Tests\Extension\Validator\ViolationMapper\Fixtures;
+
+class Issue
+{
+}

src/Symfony/Component/Form/Tests/Extension/Validator/ViolationMapper/ViolationMapperTest.php

@@ -22,6 +22,7 @@ use Symfony\Component\Form\Form;
 use Symfony\Component\Form\FormConfigBuilder;
 use Symfony\Component\Form\FormError;
 use Symfony\Component\Form\FormInterface;
+use Symfony\Component\Form\Tests\Extension\Validator\ViolationMapper\Fixtures\Issue;
 use Symfony\Component\PropertyAccess\PropertyPath;
 use Symfony\Component\Validator\ConstraintViolation;
 use Symfony\Component\Validator\ConstraintViolationInterface;
@@ -70,12 +71,12 @@ class ViolationMapperTest extends TestCase
         $this->params = ['foo' => 'bar'];
     }
 
-    protected function getForm($name = 'name', $propertyPath = null, $dataClass = null, $errorMapping = [], $inheritData = false, $synchronized = true)
+    protected function getForm($name = 'name', $propertyPath = null, $dataClass = null, $errorMapping = [], $inheritData = false, $synchronized = true, array $options = [])
     {
         $config = new FormConfigBuilder($name, $dataClass, $this->dispatcher, [
             'error_mapping' => $errorMapping,
-        ]);
+        ] + $options);
-        $config->setMapped(true);
+        $config->setMapped(isset($options['mapped']) ? $options['mapped'] : true);
         $config->setInheritData($inheritData);
         $config->setPropertyPath($propertyPath);
         $config->setCompound(true);
@@ -91,12 +92,9 @@ class ViolationMapperTest extends TestCase
         return new Form($config);
     }
 
-    /**
+    protected function getConstraintViolation($propertyPath, $root = null): ConstraintViolation
-     * @param $propertyPath
-     */
-    protected function getConstraintViolation($propertyPath): ConstraintViolation
     {
-        return new ConstraintViolation($this->message, $this->messageTemplate, $this->params, null, $propertyPath, null);
+        return new ConstraintViolation($this->message, $this->messageTemplate, $this->params, $root, $propertyPath, null);
     }
 
     protected function getFormError(ConstraintViolationInterface $violation, FormInterface $form): FormError
@@ -107,6 +105,33 @@ class ViolationMapperTest extends TestCase
         return $error;
     }
 
+    public function testMappingErrorsWhenFormIsNotMapped()
+    {
+        $form = $this->getForm('name', null, Issue::class, [
+            'child1' => 'child2',
+        ]);
+
+        $violation = $this->getConstraintViolation('children[child1].data', $form);
+
+        $child1Form = $this->getForm('child1', null, null, [], false, true, [
+            'mapped' => false,
+        ]);
+        $child2Form = $this->getForm('child2', null, null, [], false, true, [
+            'mapped' => false,
+        ]);
+
+        $form->add($child1Form);
+        $form->add($child2Form);
+
+        $form->submit([]);
+
+        $this->mapper->mapViolation($violation, $form);
+
+        $this->assertCount(0, $form->getErrors());
+        $this->assertCount(0, $form->get('child1')->getErrors());
+        $this->assertCount(1, $form->get('child2')->getErrors());
+    }
+
     public function testMapToFormInheritingParentDataIfDataDoesNotMatch()
     {
         $violation = $this->getConstraintViolation('children[address].data.foo');

src/Symfony/Component/Validator/Constraints/Composite.php

@@ -136,6 +136,17 @@ abstract class Composite extends Constraint
      */
     abstract protected function getCompositeOption();
 
+    /**
+     * @internal Used by metadata
+     *
+     * @return Constraint[]
+     */
+    public function getNestedContraints()
+    {
+        /* @var Constraint[] $nestedConstraints */
+        return $this->{$this->getCompositeOption()};
+    }
+
     /**
      * Initializes the nested constraints.
      *

src/Symfony/Component/Validator/Mapping/ClassMetadata.php

@@ -12,6 +12,7 @@
 namespace Symfony\Component\Validator\Mapping;
 
 use Symfony\Component\Validator\Constraint;
+use Symfony\Component\Validator\Constraints\Composite;
 use Symfony\Component\Validator\Constraints\GroupSequence;
 use Symfony\Component\Validator\Constraints\Traverse;
 use Symfony\Component\Validator\Exception\ConstraintDefinitionException;
@@ -173,9 +174,7 @@ class ClassMetadata extends GenericMetadata implements ClassMetadataInterface
      */
     public function addConstraint(Constraint $constraint)
     {
-        if (!\in_array(Constraint::CLASS_CONSTRAINT, (array) $constraint->getTargets())) {
+        $this->checkConstraint($constraint);
-            throw new ConstraintDefinitionException(sprintf('The constraint "%s" cannot be put on classes.', \get_class($constraint)));
-        }
 
         if ($constraint instanceof Traverse) {
             if ($constraint->traverse) {
@@ -487,4 +486,17 @@ class ClassMetadata extends GenericMetadata implements ClassMetadataInterface
 
         $this->members[$property][] = $metadata;
     }
+
+    private function checkConstraint(Constraint $constraint)
+    {
+        if (!\in_array(Constraint::CLASS_CONSTRAINT, (array) $constraint->getTargets(), true)) {
+            throw new ConstraintDefinitionException(sprintf('The constraint "%s" cannot be put on classes.', \get_class($constraint)));
+        }
+
+        if ($constraint instanceof Composite) {
+            foreach ($constraint->getNestedContraints() as $nestedContraint) {
+                $this->checkConstraint($nestedContraint);
+            }
+        }
+    }
 }

src/Symfony/Component/Validator/Mapping/MemberMetadata.php

@@ -12,6 +12,7 @@
 namespace Symfony\Component\Validator\Mapping;
 
 use Symfony\Component\Validator\Constraint;
+use Symfony\Component\Validator\Constraints\Composite;
 use Symfony\Component\Validator\Exception\ConstraintDefinitionException;
 
 /**
@@ -71,9 +72,7 @@ abstract class MemberMetadata extends GenericMetadata implements PropertyMetadat
      */
     public function addConstraint(Constraint $constraint)
     {
-        if (!\in_array(Constraint::PROPERTY_CONSTRAINT, (array) $constraint->getTargets())) {
+        $this->checkConstraint($constraint);
-            throw new ConstraintDefinitionException(sprintf('The constraint "%s" cannot be put on properties or getters.', \get_class($constraint)));
-        }
 
         parent::addConstraint($constraint);
 
@@ -181,4 +180,17 @@ abstract class MemberMetadata extends GenericMetadata implements PropertyMetadat
      * @return \ReflectionMethod|\ReflectionProperty The reflection instance
      */
     abstract protected function newReflectionMember($objectOrClassName);
+
+    private function checkConstraint(Constraint $constraint)
+    {
+        if (!\in_array(Constraint::PROPERTY_CONSTRAINT, (array) $constraint->getTargets(), true)) {
+            throw new ConstraintDefinitionException(sprintf('The constraint "%s" cannot be put on properties or getters.', \get_class($constraint)));
+        }
+
+        if ($constraint instanceof Composite) {
+            foreach ($constraint->getNestedContraints() as $nestedContraint) {
+                $this->checkConstraint($nestedContraint);
+            }
+        }
+    }
 }

src/Symfony/Component/Validator/Tests/Mapping/ClassMetadataTest.php

@@ -13,8 +13,11 @@ namespace Symfony\Component\Validator\Tests\Mapping;
 
 use PHPUnit\Framework\TestCase;
 use Symfony\Component\Validator\Constraint;
+use Symfony\Component\Validator\Constraints\Composite;
 use Symfony\Component\Validator\Constraints\Valid;
+use Symfony\Component\Validator\Exception\ConstraintDefinitionException;
 use Symfony\Component\Validator\Mapping\ClassMetadata;
+use Symfony\Component\Validator\Tests\Fixtures\ClassConstraint;
 use Symfony\Component\Validator\Tests\Fixtures\ConstraintA;
 use Symfony\Component\Validator\Tests\Fixtures\ConstraintB;
 use Symfony\Component\Validator\Tests\Fixtures\PropertyConstraint;
@@ -52,6 +55,20 @@ class ClassMetadataTest extends TestCase
         $this->metadata->addConstraint(new PropertyConstraint());
     }
 
+    public function testAddCompositeConstraintRejectsNestedPropertyConstraints()
+    {
+        $this->expectException(ConstraintDefinitionException::class);
+        $this->expectExceptionMessage('The constraint "Symfony\Component\Validator\Tests\Fixtures\PropertyConstraint" cannot be put on classes.');
+
+        $this->metadata->addConstraint(new ClassCompositeConstraint([new PropertyConstraint()]));
+    }
+
+    public function testAddCompositeConstraintAcceptsNestedClassConstraints()
+    {
+        $this->metadata->addConstraint($constraint = new ClassCompositeConstraint([new ClassConstraint()]));
+        $this->assertSame($this->metadata->getConstraints(), [$constraint]);
+    }
+
     public function testAddPropertyConstraints()
     {
         $this->metadata->addPropertyConstraint('firstName', new ConstraintA());
@@ -311,3 +328,23 @@ class ClassMetadataTest extends TestCase
         $this->assertCount(0, $this->metadata->getPropertyMetadata('foo'), '->getPropertyMetadata() returns an empty collection if no metadata is configured for the given property');
     }
 }
+
+class ClassCompositeConstraint extends Composite
+{
+    public $nested;
+
+    public function getDefaultOption()
+    {
+        return $this->getCompositeOption();
+    }
+
+    protected function getCompositeOption()
+    {
+        return 'nested';
+    }
+
+    public function getTargets()
+    {
+        return [self::CLASS_CONSTRAINT];
+    }
+}

src/Symfony/Component/Validator/Tests/Mapping/MemberMetadataTest.php

@@ -12,11 +12,16 @@
 namespace Symfony\Component\Validator\Tests\Mapping;
 
 use PHPUnit\Framework\TestCase;
+use Symfony\Component\Validator\Constraints\Collection;
+use Symfony\Component\Validator\Constraints\Composite;
+use Symfony\Component\Validator\Constraints\Required;
 use Symfony\Component\Validator\Constraints\Valid;
+use Symfony\Component\Validator\Exception\ConstraintDefinitionException;
 use Symfony\Component\Validator\Mapping\MemberMetadata;
 use Symfony\Component\Validator\Tests\Fixtures\ClassConstraint;
 use Symfony\Component\Validator\Tests\Fixtures\ConstraintA;
 use Symfony\Component\Validator\Tests\Fixtures\ConstraintB;
+use Symfony\Component\Validator\Tests\Fixtures\PropertyConstraint;
 
 class MemberMetadataTest extends TestCase
 {
@@ -43,6 +48,34 @@ class MemberMetadataTest extends TestCase
         $this->metadata->addConstraint(new ClassConstraint());
     }
 
+    public function testAddCompositeConstraintRejectsNestedClassConstraints()
+    {
+        $this->expectException(ConstraintDefinitionException::class);
+        $this->expectExceptionMessage('The constraint "Symfony\Component\Validator\Tests\Fixtures\ClassConstraint" cannot be put on properties or getters.');
+
+        $this->metadata->addConstraint(new PropertyCompositeConstraint([new ClassConstraint()]));
+    }
+
+    public function testAddCompositeConstraintRejectsDeepNestedClassConstraints()
+    {
+        $this->expectException(ConstraintDefinitionException::class);
+        $this->expectExceptionMessage('The constraint "Symfony\Component\Validator\Tests\Fixtures\ClassConstraint" cannot be put on properties or getters.');
+
+        $this->metadata->addConstraint(new Collection(['field1' => new Required([new ClassConstraint()])]));
+    }
+
+    public function testAddCompositeConstraintAcceptsNestedPropertyConstraints()
+    {
+        $this->metadata->addConstraint($constraint = new PropertyCompositeConstraint([new PropertyConstraint()]));
+        $this->assertSame($this->metadata->getConstraints(), [$constraint]);
+    }
+
+    public function testAddCompositeConstraintAcceptsDeepNestedPropertyConstraints()
+    {
+        $this->metadata->addConstraint($constraint = new Collection(['field1' => new Required([new PropertyConstraint()])]));
+        $this->assertSame($this->metadata->getConstraints(), [$constraint]);
+    }
+
     public function testSerialize()
     {
         $this->metadata->addConstraint(new ConstraintA(['property1' => 'A']));
@@ -82,3 +115,18 @@ class TestMemberMetadata extends MemberMetadata
     {
     }
 }
+
+class PropertyCompositeConstraint extends Composite
+{
+    public $nested;
+
+    public function getDefaultOption()
+    {
+        return $this->getCompositeOption();
+    }
+
+    protected function getCompositeOption()
+    {
+        return 'nested';
+    }
+}

src/Symfony/Component/Yaml/Parser.php

@@ -176,8 +176,12 @@ class Parser
                         $this->parseBlock($this->getRealCurrentLineNb() + 1, $this->getNextEmbedBlock(null, true), $flags)
                     );
                 } else {
-                    if (isset($values['leadspaces'])
+                    if (
-                        && self::preg_match('#^(?P<key>'.Inline::REGEX_QUOTED_STRING.'|[^ \'"\{\[].*?) *\:(\s+(?P<value>.+?))?\s*$#u', $this->trimTag($values['value']), $matches)
+                        isset($values['leadspaces'])
+                        && (
+                            '!' === $values['value'][0]
+                            || self::preg_match('#^(?P<key>'.Inline::REGEX_QUOTED_STRING.'|[^ \'"\{\[].*?) *\:(\s+(?P<value>.+?))?\s*$#u', $this->trimTag($values['value']), $matches)
+                        )
                     ) {
                         // this is a compact notation element, add to next block and parse
                         $block = $values['value'];

src/Symfony/Component/Yaml/Tests/ParserTest.php

@@ -2077,6 +2077,34 @@ YAML;
         $this->parser->parse('!php/const:App\Kernel::SEMART_VERSION', Yaml::PARSE_CUSTOM_TAGS | Yaml::PARSE_CONSTANT);
     }
 
+    public function testPhpConstantTagMappingAsScalarKey()
+    {
+        $yaml = <<<YAML
+map1:
+  - foo: 'value_0'
+    !php/const 'Symfony\Component\Yaml\Tests\B::BAR': 'value_1'
+map2:
+  - !php/const 'Symfony\Component\Yaml\Tests\B::FOO': 'value_0'
+    bar: 'value_1'
+YAML;
+        $this->assertSame([
+            'map1' => [['foo' => 'value_0', 'bar' => 'value_1']],
+            'map2' => [['foo' => 'value_0', 'bar' => 'value_1']],
+        ], $this->parser->parse($yaml, Yaml::PARSE_CONSTANT));
+    }
+
+    public function testTagMappingAsScalarKey()
+    {
+        $yaml = <<<YAML
+map1:
+  - !!str 0: 'value_0'
+    !!str 1: 'value_1'
+YAML;
+        $this->assertSame([
+            'map1' => [['0' => 'value_0', '1' => 'value_1']],
+        ], $this->parser->parse($yaml));
+    }
+
     public function testMergeKeysWhenMappingsAreParsedAsObjects()
     {
         $yaml = <<<YAML
@@ -2339,7 +2367,7 @@ YAML;
 parameters:
     abc
 
-# Comment 
+# Comment
 YAML;
 
         $this->assertSame(['parameters' => 'abc'], $this->parser->parse($yaml));