8000 [Form] rework form validator tests by xabbuh · Pull Request #37104 · symfony/symfony · GitHub
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[Form] rework form validator tests #37104

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315 changes: 315 additions & 0 deletions ...fony/Component/Form/Tests/Extension/Validator/Constraints/FormValidatorFunctionalTest.php
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<?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\Constraints;

use PHPUnit\Framework\TestCase;
use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\Extension\Core\Type\FormType;
use Symfony\Component\Form\Extension\Core\Type\TextType;
use Symfony\Component\Form\Extension\Validator\ValidatorExtension;
use Symfony\Component\Form\FormBuilderInterface;
use Symfony\Component\Form\FormFactoryBuilder;
use Symfony\Component\Form\Test\ForwardCompatTestTrait;
use Symfony\Component\OptionsResolver\OptionsResolver;
use Symfony\Component\Validator\Constraints\Collection;
use Symfony\Component\Validator\Constraints\GroupSequence;
use Symfony\Component\Validator\Constraints\Length;
use Symfony\Component\Validator\Constraints\NotBlank;
use Symfony\Component\Validator\Mapping\ClassMetadata;
use Symfony\Component\Validator\Mapping\Factory\LazyLoadingMetadataFactory;
use Symfony\Component\Validator\Mapping\Loader\StaticMethodLoader;
use Symfony\Component\Validator\Validation;

class FormValidatorFunctionalTest extends TestCase
{
use ForwardCompatTestTrait;

private $validator;
private $formFactory;

private function doSetUp()
{
$this->validator = Validation::createValidatorBuilder()
->setMetadataFactory(new LazyLoadingMetadataFactory(new StaticMethodLoader()))
->getValidator();
$this->formFactory = (new FormFactoryBuilder())
->addExtension(new ValidatorExtension($this->validator))
->getFormFactory();
}

public function testDataConstraintsInvalidateFormEvenIfFieldIsNotSubmitted()
{
$form = $this->formFactory->create(FooType::class);
$form->submit(['baz' => 'foobar'], false);

$this->assertTrue($form->isSubmitted());
$this->assertFalse($form->isValid());
$this->assertFalse($form->get('bar')->isSubmitted());
$this->assertCount(1, $form->get('bar')->getErrors());
}

public function testFieldConstraintsDoNotInvalidateFormIfFieldIsNotSubmitted()
{
$form = $this->formFactory->create(FooType::class);
$form->submit(['bar' => 'foobar'], false);

$this->assertTrue($form->isSubmitted());
$this->assertTrue($form->isValid());
}

public function testFieldConstraintsInvalidateFormIfFieldIsSubmitted()
{
$form = $this->formFactory->create(FooType::class);
$form->submit(['bar' => 'foobar', 'baz' => ''], false);

$this->assertTrue($form->isSubmitted());
$this->assertFalse($form->isValid());
$this->assertTrue($form->get('bar')->isSubmitted());
$this->assertTrue($form->get('bar')->isValid());
$this->assertTrue($form->get('baz')->isSubmitted());
$this->assertFalse($form->get('baz')->isValid());
}

public function testNonCompositeConstraintValidatedOnce()
{
$form = $this->formFactory->create(TextType::class, null, [
'constraints' => [new NotBlank(['groups' => ['foo', 'bar']])],
'validation_groups' => ['foo', 'bar'],
]);
$form->submit('');

$violations = $this->validator->validate($form);

$this->assertCount(1, $violations);
$this->assertSame('This value should not be blank.', $violations[0]->getMessage());
$this->assertSame('data', $violations[0]->getPropertyPath());
}

public function testCompositeConstraintValidatedInEachGroup()
{
$form = $this->formFactory->create(FormType::class, null, [
'constraints' => [
new Collection([
'field1' => new NotBlank([
'groups' => ['field1'],
]),
'field2' => new NotBlank([
'groups' => ['field2'],
]),
]),
],
'validation_groups' => ['field1', 'field2'],
]);
$form->add('field1');
$form->add('field2');
$form->submit([
'field1' => '',
'field2' => '',
]);

$violations = $this->validator->validate($form);

$this->assertCount(2, $violations);
$this->assertSame('This value should not be blank.', $violations[0]->getMessage());
$this->assertSame('data[field1]', $violations[0]->getPropertyPath());
$this->assertSame('This value should not be blank.', $violations[1]->getMessage());
$this->assertSame('data[field2]', $violations[1]->getPropertyPath());
}

public function testCompositeConstraintValidatedInSequence()
{
$form = $this->formFactory->create(FormType::class, null, [
'constraints' => [
new Collection([
'field1' => new NotBlank([
'groups' => ['field1'],
]),
'field2' => new NotBlank([
'groups' => ['field2'],
]),
]),
],
'validation_groups' => new GroupSequence(['field1', 'field2']),
]);
$form->add('field1');
$form->add('field2');

$form->submit([
'field1' => '',
'field2' => '',
]);

$violations = $this->validator->validate($form);

$this->assertCount(1, $violations);
$this->assertSame('This value should not be blank.', $violations[0]->getMessage());
$this->assertSame('data[field1]', $violations[0]->getPropertyPath());
}

public function testFieldsValidateInSequence()
{
$form = $this->formFactory->create(FormType::class, null, [
'validation_groups' => new GroupSequence(['group1', 'group2']),
])
->add('foo', TextType::class, [
'constraints' => [new Length(['min' => 10, 'groups' => ['group1']])],
])
->add('bar', TextType::class, [
'constraints' => [new NotBlank(['groups' => ['group2']])],
])
;

$form->submit(['foo' => 'invalid', 'bar' => null]);

$errors = $form->getErrors(true);

$this->assertCount(1, $errors);
$this->assertInstanceOf(Length::class, $errors[0]->getCause()->getConstraint());
}

public function testFieldsValidateInSequenceWithNestedGroupsArray()
{
$form = $this->formFactory->create(FormType::class, null, [
'validation_groups' => new GroupSequence([['group1', 'group2'], 'group3']),
])
->add('foo', TextType::class, [
'constraints' => [new Length(['min' => 10, 'groups' => ['group1']])],
])
->add('bar', TextType::class, [
'constraints' => [new Length(['min' => 10, 'groups' => ['group2']])],
])
->add('baz', TextType::class, [
'constraints' => [new NotBlank(['groups' => ['group3']])],
])
;

$form->submit(['foo' => 'invalid', 'bar' => 'invalid', 'baz' => null]);

$errors = $form->getErrors(true);

$this->assertCount(2, $errors);
$this->assertInstanceOf(Length::class, $errors[0]->getCause()->getConstraint());
$this->assertInstanceOf(Length::class, $errors[1]->getCause()->getConstraint());
}

public function testConstraintsInDifferentGroupsOnSingleField()
{
$form = $this->formFactory->create(FormType::class, null, [
'validation_groups' => new GroupSequence(['group1', 'group2']),
])
->add('foo', TextType::class, [
'constraints' => [
new NotBlank([
'groups' => ['group1'],
]),
new Length([
'groups' => ['group2'],
'max' => 3,
]),
],
]);
$form->submit([
'foo' => 'test@example.com',
]);

$errors = $form->getErrors(true);

$this->assertFalse($form->isValid());
$this->assertCount(1, $errors);
$this->assertInstanceOf(Length::class, $errors[0]->getCause()->getConstraint());
}

public function testCascadeValidationToChildFormsUsingPropertyPaths()
{
$form = $this->formFactory->create(FormType::class, null, [
'validation_groups' => ['group1', 'group2'],
])
->add('field1', null, [
'constraints' => [new NotBlank(['groups' => 'group1'])],
'property_path' => '[foo]',
])
->add('field2', null, [
'constraints' => [new NotBlank(['groups' => 'group2'])],
'property_path' => '[bar]',
])
;

$form->submit([
'field1' => '',
'field2' => '',
]);

$violations = $this->validator->validate($form);

$this->assertCount(2, $violations);
$this->assertSame('This value should not be blank.', $violations[0]->getMessage());
$this->assertSame('children[field1].data', $violations[0]->getPropertyPath());
$this->assertSame('This value should not be blank.', $violations[1]->getMessage());
$this->assertSame('children[field2].data', $ 8000 violations[1]->getPropertyPath());
}

public function testCascadeValidationToChildFormsUsingPropertyPathsValidatedInSequence()
{
$form = $this->formFactory->create(FormType::class, null, [
'validation_groups' => new GroupSequence(['group1', 'group2']),
])
->add('field1', null, [
'constraints' => [new NotBlank(['groups' => 'group1'])],
'property_path' => '[foo]',
])
->add('field2', null, [
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While working on #37085 I realised that we couldn't add this second field and assert its constraints are not validated. Investigating the cause for it I found out that the default ConstraintValidatorTestCase is not well suited for these kinds of tests where we cascade validation to nested fields.

'constraints' => [new NotBlank(['groups' => 'group2'])],
'property_path' => '[bar]',
])
;

$form->submit([
'field1' => '',
'field2' => '',
]);

$violations = $this->validator->validate($form);

$this->assertCount(1, $violations);
$this->assertSame('This value should not be blank.', $violations[0]->getMessage());
$this->assertSame('children[field1].data', $violations[0]->getPropertyPath());
}
}

class Foo
{
public $bar;
public $baz;

public static function loadValidatorMetadata(ClassMetadata $metadata)
{
$metadata->addPropertyConstraint('bar', new NotBlank());
}
}

class FooType extends AbstractType
{
public function buildForm(FormBuilderInterface $builder, array $options)
{
$builder
->add('bar')
->add('baz', null, [
'constraints' => [new NotBlank()],
])
;
}

public function configureOptions(OptionsResolver $resolver)
{
$resolver->setDefault('data_class', Foo::class);
}
}
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