class OptionsAllowedValuesTest

class OptionsAllowedValuesTest extends OptionsFieldUnitTestBase {
  
  /**
   * Tests that each field is cached in its own item with its own cache tags.
   */
  public function testCachedPerField() : void {
    $service = $this->container
      ->get(OptionsAllowedValuesInterface::class);
    $cache = $this->container
      ->get('cache.memory');
    // Create a second list field on the same entity type.
    $second_storage = FieldStorageConfig::create([
      'field_name' => 'test_options_2',
      'entity_type' => 'entity_test',
      'type' => 'list_integer',
      'cardinality' => 1,
      'settings' => [
        'allowed_values' => [
          10 => 'Ten',
          20 => 'Twenty',
        ],
      ],
    ]);
    $second_storage->save();
    // Starting from a cold cache, request the allowed values of both fields.
    $this->assertSame([
      1 => 'One',
      2 => 'Two',
      3 => 'Three',
    ], $service->getAllowedValues($this->fieldStorage));
    $this->assertSame([
      10 => 'Ten',
      20 => 'Twenty',
    ], $service->getAllowedValues($second_storage));
    // Each field is cached in a separate item tagged with the cache tags of
    // its own field storage.
    $first_item = $cache->get('options.allowed_values:entity_test:test_options:any');
    $second_item = $cache->get('options.allowed_values:entity_test:test_options_2:any');
    $this->assertSame([
      1 => 'One',
      2 => 'Two',
      3 => 'Three',
    ], $first_item->data);
    $this->assertSame([
      10 => 'Ten',
      20 => 'Twenty',
    ], $second_item->data);
    $this->assertContains('config:field.storage.entity_test.test_options', $first_item->tags);
    $this->assertContains('config:field.storage.entity_test.test_options_2', $second_item->tags);
    // Updating the first field storage invalidates its cached allowed values,
    // even though the allowed values of another field were cached later. The
    // second field stays cached.
    $this->fieldStorage
      ->setSetting('allowed_values', [
      1 => 'First',
      2 => 'Second',
    ])
      ->save();
    $this->assertFalse($cache->get('options.allowed_values:entity_test:test_options:any'));
    $this->assertNotFalse($cache->get('options.allowed_values:entity_test:test_options_2:any'));
    $this->assertSame([
      1 => 'First',
      2 => 'Second',
    ], $service->getAllowedValues($this->fieldStorage));
    $this->assertSame([
      10 => 'Ten',
      20 => 'Twenty',
    ], $service->getAllowedValues($second_storage));
  }
  
  /**
   * Tests that the field storage form submit resets the cached values.
   */
  public function testSubmitFieldStorageUpdate() : void {
    $service = $this->container
      ->get(OptionsAllowedValuesInterface::class);
    $this->assertSame([
      1 => 'One',
      2 => 'Two',
      3 => 'Three',
    ], $service->getAllowedValues($this->fieldStorage));
    // Change the setting without saving: the cached values are still returned.
    $this->fieldStorage
      ->setSetting('allowed_values', [
      1 => 'First',
    ]);
    $this->assertSame([
      1 => 'One',
      2 => 'Two',
      3 => 'Three',
    ], $service->getAllowedValues($this->fieldStorage));
    // The field storage form submit handler resets all cached allowed values.
    ListItemBase::submitFieldStorageUpdate();
    $this->assertSame([
      1 => 'First',
    ], $service->getAllowedValues($this->fieldStorage));
  }

}