FieldAttachStorageTest.php in Drupal 8

Namespace

Drupal\Tests\field\Kernel

File

core/modules/field/tests/src/Kernel/FieldAttachStorageTest.php

<?php

namespace Drupal\Tests\field\Kernel;

use Drupal\Component\Render\FormattableMarkup;
use Drupal\field\Entity\FieldConfig;
use Drupal\field\Entity\FieldStorageConfig;

/**
 * Tests storage-related Field Attach API functions.
 *
 * @group field
 * @todo move this to the Entity module
 */
class FieldAttachStorageTest extends FieldKernelTestBase {
  protected function setUp() {
    parent::setUp();
    $this
      ->installEntitySchema('entity_test_rev');
  }

  /**
   * Check field values insert, update and load.
   *
   * Works independently of the underlying field storage backend. Inserts or
   * updates random field data and then loads and verifies the data.
   */
  public function testFieldAttachSaveLoad() {
    $entity_type = 'entity_test_rev';
    $this
      ->createFieldWithStorage('', $entity_type);
    $cardinality = $this->fieldTestData->field_storage
      ->getCardinality();

    // TODO : test empty values filtering and "compression" (store consecutive deltas).
    // Preparation: create three revisions and store them in $revision array.
    $values = [];
    $entity = $this->container
      ->get('entity_type.manager')
      ->getStorage($entity_type)
      ->create();
    for ($revision_id = 0; $revision_id < 3; $revision_id++) {

      // Note: we try to insert one extra value.
      $current_values = $this
        ->_generateTestFieldValues($cardinality + 1);
      $entity->{$this->fieldTestData->field_name}
        ->setValue($current_values);
      $entity
        ->setNewRevision();
      $entity
        ->save();
      $entity_id = $entity
        ->id();
      $current_revision = $entity
        ->getRevisionId();
      $values[$current_revision] = $current_values;
    }
    $storage = $this->container
      ->get('entity_type.manager')
      ->getStorage($entity_type);
    $storage
      ->resetCache();
    $entity = $storage
      ->load($entity_id);

    // Confirm current revision loads the correct data.
    // Number of values per field loaded equals the field cardinality.
    $this
      ->assertEqual(count($entity->{$this->fieldTestData->field_name}), $cardinality, 'Current revision: expected number of values');
    for ($delta = 0; $delta < $cardinality; $delta++) {

      // The field value loaded matches the one inserted or updated.
      $this
        ->assertEqual($entity->{$this->fieldTestData->field_name}[$delta]->value, $values[$current_revision][$delta]['value'], new FormattableMarkup('Current revision: expected value %delta was found.', [
        '%delta' => $delta,
      ]));
    }

    // Confirm each revision loads the correct data.
    foreach (array_keys($values) as $revision_id) {
      $entity = $storage
        ->loadRevision($revision_id);

      // Number of values per field loaded equals the field cardinality.
      $this
        ->assertEqual(count($entity->{$this->fieldTestData->field_name}), $cardinality, new FormattableMarkup('Revision %revision_id: expected number of values.', [
        '%revision_id' => $revision_id,
      ]));
      for ($delta = 0; $delta < $cardinality; $delta++) {

        // The field value loaded matches the one inserted or updated.
        $this
          ->assertEqual($entity->{$this->fieldTestData->field_name}[$delta]->value, $values[$revision_id][$delta]['value'], new FormattableMarkup('Revision %revision_id: expected value %delta was found.', [
          '%revision_id' => $revision_id,
          '%delta' => $delta,
        ]));
      }
    }
  }

  /**
   * Test the 'multiple' load feature.
   */
  public function testFieldAttachLoadMultiple() {
    $entity_type = 'entity_test_rev';

    // Define 2 bundles.
    $bundles = [
      1 => 'test_bundle_1',
      2 => 'test_bundle_2',
    ];
    entity_test_create_bundle($bundles[1]);
    entity_test_create_bundle($bundles[2]);

    // Define 3 fields:
    // - field_1 is in bundle_1 and bundle_2,
    // - field_2 is in bundle_1,
    // - field_3 is in bundle_2.
    $field_bundles_map = [
      1 => [
        1,
        2,
      ],
      2 => [
        1,
      ],
      3 => [
        2,
      ],
    ];
    for ($i = 1; $i <= 3; $i++) {
      $field_names[$i] = 'field_' . $i;
      $field_storage = FieldStorageConfig::create([
        'field_name' => $field_names[$i],
        'entity_type' => $entity_type,
        'type' => 'test_field',
      ]);
      $field_storage
        ->save();
      $field_ids[$i] = $field_storage
        ->uuid();
      foreach ($field_bundles_map[$i] as $bundle) {
        FieldConfig::create([
          'field_name' => $field_names[$i],
          'entity_type' => $entity_type,
          'bundle' => $bundles[$bundle],
        ])
          ->save();
      }
    }

    // Create one test entity per bundle, with random values.
    foreach ($bundles as $index => $bundle) {
      $entities[$index] = $this->container
        ->get('entity_type.manager')
        ->getStorage($entity_type)
        ->create([
        'id' => $index,
        'revision_id' => $index,
        'type' => $bundle,
      ]);
      $entity = clone $entities[$index];
      foreach ($field_names as $field_name) {
        if (!$entity
          ->hasField($field_name)) {
          continue;
        }
        $values[$index][$field_name] = mt_rand(1, 127);
        $entity->{$field_name}
          ->setValue([
          'value' => $values[$index][$field_name],
        ]);
      }
      $entity
        ->enforceIsnew();
      $entity
        ->save();
    }

    // Check that a single load correctly loads field values for both entities.
    $controller = \Drupal::entityTypeManager()
      ->getStorage($entity
      ->getEntityTypeId());
    $controller
      ->resetCache();
    $entities = $controller
      ->loadMultiple();
    foreach ($entities as $index => $entity) {
      foreach ($field_names as $field_name) {
        if (!$entity
          ->hasField($field_name)) {
          continue;
        }

        // The field value loaded matches the one inserted.
        $this
          ->assertEqual($entity->{$field_name}->value, $values[$index][$field_name], new FormattableMarkup('Entity %index: expected value was found.', [
          '%index' => $index,
        ]));
      }
    }
  }

  /**
   * Tests insert and update with empty or NULL fields.
   */
  public function testFieldAttachSaveEmptyData() {
    $entity_type = 'entity_test';
    $this
      ->createFieldWithStorage('', $entity_type);
    $entity_init = $this->container
      ->get('entity_type.manager')
      ->getStorage($entity_type)
      ->create([
      'id' => 1,
    ]);

    // Insert: Field is NULL.
    $entity = clone $entity_init;
    $entity->{$this->fieldTestData->field_name} = NULL;
    $entity
      ->enforceIsNew();
    $entity = $this
      ->entitySaveReload($entity);
    $this
      ->assertTrue($entity->{$this->fieldTestData->field_name}
      ->isEmpty(), 'Insert: NULL field results in no value saved');

    // All saves after this point should be updates, not inserts.
    $entity_init
      ->enforceIsNew(FALSE);

    // Add some real data.
    $entity = clone $entity_init;
    $values = $this
      ->_generateTestFieldValues(1);
    $entity->{$this->fieldTestData->field_name} = $values;
    $entity = $this
      ->entitySaveReload($entity);
    $this
      ->assertEqual($entity->{$this->fieldTestData->field_name}
      ->getValue(), $values, 'Field data saved');

    // Update: Field is NULL. Data should be wiped.
    $entity = clone $entity_init;
    $entity->{$this->fieldTestData->field_name} = NULL;
    $entity = $this
      ->entitySaveReload($entity);
    $this
      ->assertTrue($entity->{$this->fieldTestData->field_name}
      ->isEmpty(), 'Update: NULL field removes existing values');

    // Re-add some data.
    $entity = clone $entity_init;
    $values = $this
      ->_generateTestFieldValues(1);
    $entity->{$this->fieldTestData->field_name} = $values;
    $entity = $this
      ->entitySaveReload($entity);
    $this
      ->assertEqual($entity->{$this->fieldTestData->field_name}
      ->getValue(), $values, 'Field data saved');

    // Update: Field is empty array. Data should be wiped.
    $entity = clone $entity_init;
    $entity->{$this->fieldTestData->field_name} = [];
    $entity = $this
      ->entitySaveReload($entity);
    $this
      ->assertTrue($entity->{$this->fieldTestData->field_name}
      ->isEmpty(), 'Update: empty array removes existing values');
  }

  /**
   * Test insert with empty or NULL fields, with default value.
   */
  public function testFieldAttachSaveEmptyDataDefaultValue() {
    $entity_type = 'entity_test_rev';
    $this
      ->createFieldWithStorage('', $entity_type);

    // Add a default value function.
    $this->fieldTestData->field
      ->set('default_value_callback', 'field_test_default_value');
    $this->fieldTestData->field
      ->save();

    // Verify that fields are populated with default values.
    $entity_init = $this->container
      ->get('entity_type.manager')
      ->getStorage($entity_type)
      ->create([
      'id' => 1,
      'revision_id' => 1,
    ]);
    $default = field_test_default_value($entity_init, $this->fieldTestData->field);
    $this
      ->assertEqual($entity_init->{$this->fieldTestData->field_name}
      ->getValue(), $default, 'Default field value correctly populated.');

    // Insert: Field is NULL.
    $entity = clone $entity_init;
    $entity->{$this->fieldTestData->field_name} = NULL;
    $entity
      ->enforceIsNew();
    $entity = $this
      ->entitySaveReload($entity);
    $this
      ->assertTrue($entity->{$this->fieldTestData->field_name}
      ->isEmpty(), 'Insert: NULL field results in no value saved');

    // Verify that prepopulated field values are not overwritten by defaults.
    $value = [
      [
        'value' => $default[0]['value'] - mt_rand(1, 127),
      ],
    ];
    $entity = $this->container
      ->get('entity_type.manager')
      ->getStorage($entity_type)
      ->create([
      'type' => $entity_init
        ->bundle(),
      $this->fieldTestData->field_name => $value,
    ]);
    $this
      ->assertEqual($entity->{$this->fieldTestData->field_name}
      ->getValue(), $value, 'Prepopulated field value correctly maintained.');
  }

  /**
   * Test entity deletion.
   */
  public function testFieldAttachDelete() {
    $entity_type = 'entity_test_rev';
    $this
      ->createFieldWithStorage('', $entity_type);
    $cardinality = $this->fieldTestData->field_storage
      ->getCardinality();
    $entity = $this->container
      ->get('entity_type.manager')
      ->getStorage($entity_type)
      ->create([
      'type' => $this->fieldTestData->field
        ->getTargetBundle(),
    ]);
    $vids = [];

    // Create revision 0
    $values = $this
      ->_generateTestFieldValues($cardinality);
    $entity->{$this->fieldTestData->field_name} = $values;
    $entity
      ->save();
    $vids[] = $entity
      ->getRevisionId();

    // Create revision 1
    $entity
      ->setNewRevision();
    $entity
      ->save();
    $vids[] = $entity
      ->getRevisionId();

    // Create revision 2
    $entity
      ->setNewRevision();
    $entity
      ->save();
    $vids[] = $entity
      ->getRevisionId();
    $controller = $this->container
      ->get('entity_type.manager')
      ->getStorage($entity
      ->getEntityTypeId());
    $controller
      ->resetCache();

    // Confirm each revision loads
    foreach ($vids as $vid) {
      $revision = $controller
        ->loadRevision($vid);
      $this
        ->assertEqual(count($revision->{$this->fieldTestData->field_name}), $cardinality, "The test entity revision {$vid} has {$cardinality} values.");
    }

    // Delete revision 1, confirm the other two still load.
    $controller
      ->deleteRevision($vids[1]);
    $controller
      ->resetCache();
    foreach ([
      0,
      2,
    ] as $key) {
      $vid = $vids[$key];
      $revision = $controller
        ->loadRevision($vid);
      $this
        ->assertEqual(count($revision->{$this->fieldTestData->field_name}), $cardinality, "The test entity revision {$vid} has {$cardinality} values.");
    }

    // Confirm the current revision still loads
    $controller
      ->resetCache();
    $current = $controller
      ->load($entity
      ->id());
    $this
      ->assertEqual(count($current->{$this->fieldTestData->field_name}), $cardinality, "The test entity current revision has {$cardinality} values.");

    // Delete all field data, confirm nothing loads
    $entity
      ->delete();
    $controller
      ->resetCache();
    foreach ([
      0,
      1,
      2,
    ] as $vid) {
      $revision = $controller
        ->loadRevision($vid);
      $this
        ->assertNull($revision);
    }
    $this
      ->assertNull($controller
      ->load($entity
      ->id()));
  }

  /**
   * Test entity_bundle_create().
   */
  public function testEntityCreateBundle() {
    $entity_type = 'entity_test_rev';
    $this
      ->createFieldWithStorage('', $entity_type);
    $cardinality = $this->fieldTestData->field_storage
      ->getCardinality();

    // Create a new bundle.
    $new_bundle = 'test_bundle_' . mb_strtolower($this
      ->randomMachineName());
    entity_test_create_bundle($new_bundle, NULL, $entity_type);

    // Add a field to that bundle.
    $this->fieldTestData->field_definition['bundle'] = $new_bundle;
    FieldConfig::create($this->fieldTestData->field_definition)
      ->save();

    // Save an entity with data in the field.
    $entity = $this->container
      ->get('entity_type.manager')
      ->getStorage($entity_type)
      ->create([
      'type' => $this->fieldTestData->field
        ->getTargetBundle(),
    ]);
    $values = $this
      ->_generateTestFieldValues($cardinality);
    $entity->{$this->fieldTestData->field_name} = $values;

    // Verify the field data is present on load.
    $entity = $this
      ->entitySaveReload($entity);
    $this
      ->assertEqual(count($entity->{$this->fieldTestData->field_name}), $cardinality, "Data is retrieved for the new bundle");
  }

  /**
   * Test entity_bundle_delete().
   */
  public function testEntityDeleteBundle() {
    $entity_type = 'entity_test_rev';
    $this
      ->createFieldWithStorage('', $entity_type);

    // Create a new bundle.
    $new_bundle = 'test_bundle_' . mb_strtolower($this
      ->randomMachineName());
    entity_test_create_bundle($new_bundle, NULL, $entity_type);

    // Add a field to that bundle.
    $this->fieldTestData->field_definition['bundle'] = $new_bundle;
    FieldConfig::create($this->fieldTestData->field_definition)
      ->save();

    // Create a second field for the test bundle
    $field_name = mb_strtolower($this
      ->randomMachineName() . '_field_name');
    $field_storage = [
      'field_name' => $field_name,
      'entity_type' => $entity_type,
      'type' => 'test_field',
      'cardinality' => 1,
    ];
    FieldStorageConfig::create($field_storage)
      ->save();
    $field = [
      'field_name' => $field_name,
      'entity_type' => $entity_type,
      'bundle' => $this->fieldTestData->field
        ->getTargetBundle(),
      'label' => $this
        ->randomMachineName() . '_label',
      'description' => $this
        ->randomMachineName() . '_description',
      'weight' => mt_rand(0, 127),
    ];
    FieldConfig::create($field)
      ->save();

    // Save an entity with data for both fields
    $entity = $this->container
      ->get('entity_type.manager')
      ->getStorage($entity_type)
      ->create([
      'type' => $this->fieldTestData->field
        ->getTargetBundle(),
    ]);
    $values = $this
      ->_generateTestFieldValues($this->fieldTestData->field_storage
      ->getCardinality());
    $entity->{$this->fieldTestData->field_name} = $values;
    $entity->{$field_name} = $this
      ->_generateTestFieldValues(1);
    $entity = $this
      ->entitySaveReload($entity);

    // Verify the fields are present on load
    $this
      ->assertCount(4, $entity->{$this->fieldTestData->field_name}, 'First field got loaded');
    $this
      ->assertCount(1, $entity->{$field_name}, 'Second field got loaded');

    // Delete the bundle.
    entity_test_delete_bundle($this->fieldTestData->field
      ->getTargetBundle(), $entity_type);

    // Verify no data gets loaded
    $controller = $this->container
      ->get('entity_type.manager')
      ->getStorage($entity
      ->getEntityTypeId());
    $controller
      ->resetCache();
    $entity = $controller
      ->load($entity
      ->id());
    $this
      ->assertTrue(empty($entity->{$this->fieldTestData->field_name}), 'No data for first field');
    $this
      ->assertTrue(empty($entity->{$field_name}), 'No data for second field');

    // Verify that the fields are gone.
    $this
      ->assertNull(FieldConfig::load('entity_test.' . $this->fieldTestData->field
      ->getTargetBundle() . '.' . $this->fieldTestData->field_name), "First field is deleted");
    $this
      ->assertNull(FieldConfig::load('entity_test.' . $field['bundle'] . '.' . $field_name), "Second field is deleted");
  }

}

Classes

Name	Description
FieldAttachStorageTest	Tests storage-related Field Attach API functions.