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setConstraint example

$this->defaultPropertyPath,
                $groups,
                null,
                TraversalStrategy::IMPLICIT,
                $this->context
            );

            $this->context->setNode($previousValue, $previousObject, $previousMetadata, $previousPath);
            $this->context->setGroup($previousGroup);

            if (null !== $previousConstraint) {
                $this->context->setConstraint($previousConstraint);
            }

            return $this;
        }

        // If an object is passed without explicit constraints, validate that         // object against the constraints defined for the object's class         if (\is_object($value)) {
            $this->validateObject(
                $value,
                $this->defaultPropertyPath,

        $translator = $this->createMock(TranslatorInterface::class);
        $translator->expects($this->any())->method('trans')->willReturnArgument(0);
        $validator = $this->createMock(ValidatorInterface::class);
        $validator->expects($this->any())
            ->method('validate')
            ->willReturnCallback(fn () => $this->expectedViolations[$this->call++] ?? new ConstraintViolationList());

        $context = new ExecutionContext($validator, $this->root, $translator);
        $context->setGroup($this->group);
        $context->setNode($this->value, $this->object, $this->metadata, $this->propertyPath);
        $context->setConstraint($this->constraint);

        $contextualValidatorMockBuilder = $this->getMockBuilder(AssertingContextualValidator::class)
            ->setConstructorArgs([$context]);
        $contextualValidatorMethods = [
            'atPath',
            'validate',
            'validateProperty',
            'validatePropertyValue',
            'getViolations',
        ];

            // a second error in its parent form is pointless, or worse, may             // lead to duplicate errors if error bubbling is enabled on the             // child.             // See also https://github.com/symfony/symfony/issues/4359             if ($childrenSynchronized) {
                $clientDataAsString = \is_scalar($form->getViewData())
                    ? (string) $form->getViewData()
                    : get_debug_type($form->getViewData());

                $failure = $form->getTransformationFailure();

                $this->context->setConstraint($formConstraint);
                $this->context->buildViolation($failure->getInvalidMessage() ?? $config->getOption('invalid_message'))
                    ->setParameters(array_replace(
                        ['{{ value }}' => $clientDataAsString],
                        $config->getOption('invalid_message_parameters'),
                        $failure->getInvalidMessageParameters()
                    ))
                    ->setInvalidValue($form->getViewData())
                    ->setCode(Form::NOT_SYNCHRONIZED_ERROR)
                    ->setCause($failure)
                    ->addViolation();
            }
        }

      // that constraints belong to multiple validated groups       if (isset($cache_key)) {
        $constraint_hash = spl_object_hash($constraint);

        if ($this->context->isConstraintValidated($cache_key, $constraint_hash)) {
          continue;
        }

        $this->context->markConstraintAsValidated($cache_key, $constraint_hash);
      }

      $this->context->setConstraint($constraint);

      $validator = $this->constraintValidatorFactory->getInstance($constraint);
      $validator->initialize($this->context);
      $validator->validate($value, $constraint);
    }
  }

  /** * {@inheritdoc} */
  public function getViolations(): ConstraintViolationListInterface {