EntityFormTest.php

<?php

namespace Drupal\Tests\system\Functional\Entity;

use Drupal\Component\Render\FormattableMarkup;
use Drupal\language\Entity\ConfigurableLanguage;
use Drupal\Tests\BrowserTestBase;

/**
 * Tests the entity form.
 *
 * @group Entity
 */
class EntityFormTest extends BrowserTestBase {
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    public static $modules = [
        'entity_test',
        'language',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    protected function setUp() {
        parent::setUp();
        $web_user = $this->drupalCreateUser([
            'administer entity_test content',
            'view test entity',
        ]);
        $this->drupalLogin($web_user);
        // Add a language.
        ConfigurableLanguage::createFromLangcode('ro')->save();
    }
    
    /**
     * Tests basic form CRUD functionality.
     */
    public function testFormCRUD() {
        // All entity variations have to have the same results.
        foreach (entity_test_entity_types() as $entity_type) {
            $this->doTestFormCRUD($entity_type);
        }
    }
    
    /**
     * Tests basic multilingual form CRUD functionality.
     */
    public function testMultilingualFormCRUD() {
        // All entity variations have to have the same results.
        foreach (entity_test_entity_types(ENTITY_TEST_TYPES_MULTILINGUAL) as $entity_type) {
            $this->doTestMultilingualFormCRUD($entity_type);
        }
    }
    
    /**
     * Tests hook_entity_form_display_alter().
     *
     * @see entity_test_entity_form_display_alter()
     */
    public function testEntityFormDisplayAlter() {
        $this->drupalGet('entity_test/add');
        $altered_field = $this->xpath('//input[@name="field_test_text[0][value]" and @size="42"]');
        $this->assertCount(1, $altered_field, 'The altered field has the correct size value.');
    }
    
    /**
     * Executes the form CRUD tests for the given entity type.
     *
     * @param string $entity_type
     *   The entity type to run the tests with.
     */
    protected function doTestFormCRUD($entity_type) {
        $name1 = $this->randomMachineName(8);
        $name2 = $this->randomMachineName(10);
        $edit = [
            'name[0][value]' => $name1,
            'field_test_text[0][value]' => $this->randomMachineName(16),
        ];
        $this->drupalPostForm($entity_type . '/add', $edit, t('Save'));
        $entity = $this->loadEntityByName($entity_type, $name1);
        $this->assertNotNull($entity, new FormattableMarkup('%entity_type: Entity found in the database.', [
            '%entity_type' => $entity_type,
        ]));
        $edit['name[0][value]'] = $name2;
        $this->drupalPostForm($entity_type . '/manage/' . $entity->id() . '/edit', $edit, t('Save'));
        $entity = $this->loadEntityByName($entity_type, $name1);
        $this->assertNull($entity, new FormattableMarkup('%entity_type: The entity has been modified.', [
            '%entity_type' => $entity_type,
        ]));
        $entity = $this->loadEntityByName($entity_type, $name2);
        $this->assertNotNull($entity, new FormattableMarkup('%entity_type: Modified entity found in the database.', [
            '%entity_type' => $entity_type,
        ]));
        $this->assertNotEqual($entity->name->value, $name1, new FormattableMarkup('%entity_type: The entity name has been modified.', [
            '%entity_type' => $entity_type,
        ]));
        $this->drupalGet($entity_type . '/manage/' . $entity->id() . '/edit');
        $this->clickLink(t('Delete'));
        $this->drupalPostForm(NULL, [], t('Delete'));
        $entity = $this->loadEntityByName($entity_type, $name2);
        $this->assertNull($entity, new FormattableMarkup('%entity_type: Entity not found in the database.', [
            '%entity_type' => $entity_type,
        ]));
    }
    
    /**
     * Executes the multilingual form CRUD tests for the given entity type ID.
     *
     * @param string $entity_type_id
     *   The ID of entity type to run the tests with.
     */
    protected function doTestMultilingualFormCRUD($entity_type_id) {
        $name1 = $this->randomMachineName(8);
        $name1_ro = $this->randomMachineName(9);
        $name2_ro = $this->randomMachineName(11);
        $edit = [
            'name[0][value]' => $name1,
            'field_test_text[0][value]' => $this->randomMachineName(16),
        ];
        $this->drupalPostForm($entity_type_id . '/add', $edit, t('Save'));
        $entity = $this->loadEntityByName($entity_type_id, $name1);
        $this->assertNotNull($entity, new FormattableMarkup('%entity_type: Entity found in the database.', [
            '%entity_type' => $entity_type_id,
        ]));
        // Add a translation to the newly created entity without using the Content
        // translation module.
        $entity->addTranslation('ro', [
            'name' => $name1_ro,
        ])
            ->save();
        $translated_entity = $this->loadEntityByName($entity_type_id, $name1)
            ->getTranslation('ro');
        $this->assertEqual($translated_entity->name->value, $name1_ro, new FormattableMarkup('%entity_type: The translation has been added.', [
            '%entity_type' => $entity_type_id,
        ]));
        $edit['name[0][value]'] = $name2_ro;
        $this->drupalPostForm('ro/' . $entity_type_id . '/manage/' . $entity->id() . '/edit', $edit, t('Save'));
        $translated_entity = $this->loadEntityByName($entity_type_id, $name1)
            ->getTranslation('ro');
        $this->assertNotNull($translated_entity, new FormattableMarkup('%entity_type: Modified translation found in the database.', [
            '%entity_type' => $entity_type_id,
        ]));
        $this->assertEqual($translated_entity->name->value, $name2_ro, new FormattableMarkup('%entity_type: The name of the translation has been modified.', [
            '%entity_type' => $entity_type_id,
        ]));
        $this->drupalGet('ro/' . $entity_type_id . '/manage/' . $entity->id() . '/edit');
        $this->clickLink(t('Delete'));
        $this->drupalPostForm(NULL, [], t('Delete Romanian translation'));
        $entity = $this->loadEntityByName($entity_type_id, $name1);
        $this->assertNotNull($entity, new FormattableMarkup('%entity_type: The original entity still exists.', [
            '%entity_type' => $entity_type_id,
        ]));
        $this->assertFalse($entity->hasTranslation('ro'), new FormattableMarkup('%entity_type: Entity translation does not exist anymore.', [
            '%entity_type' => $entity_type_id,
        ]));
    }
    
    /**
     * Loads a test entity by name always resetting the storage cache.
     */
    protected function loadEntityByName($entity_type, $name) {
        // Always load the entity from the database to ensure that changes are
        // correctly picked up.
        $entity_storage = $this->container
            ->get('entity_type.manager')
            ->getStorage($entity_type);
        $entity_storage->resetCache();
        $entities = $entity_storage->loadByProperties([
            'name' => $name,
        ]);
        return $entities ? current($entities) : NULL;
    }
    
    /**
     * Checks that validation handlers works as expected.
     */
    public function testValidationHandlers() {
        
        /** @var \Drupal\Core\State\StateInterface $state */
        $state = $this->container
            ->get('state');
        // Check that from-level validation handlers can be defined and can alter
        // the form array.
        $state->set('entity_test.form.validate.test', 'form-level');
        $this->drupalPostForm('entity_test/add', [], 'Save');
        $this->assertTrue($state->get('entity_test.form.validate.result'), 'Form-level validation handlers behave correctly.');
        // Check that defining a button-level validation handler causes an exception
        // to be thrown.
        $state->set('entity_test.form.validate.test', 'button-level');
        $this->drupalPostForm('entity_test/add', [], 'Save');
        $this->assertEqual($state->get('entity_test.form.save.exception'), 'Drupal\\Core\\Entity\\EntityStorageException: Entity validation was skipped.', 'Button-level validation handlers behave correctly.');
    }

}