--- /dev/null
+<?php
+
+namespace Drupal\Tests\options\Kernel;
+
+use Drupal\Core\Entity\Exception\FieldStorageDefinitionUpdateForbiddenException;
+use Drupal\entity_test\Entity\EntityTest;
+use Drupal\field\Entity\FieldConfig;
+use Drupal\field\Entity\FieldStorageConfig;
+
+/**
+ * Tests for the 'Options' field types.
+ *
+ * @group options
+ */
+class OptionsFieldTest extends OptionsFieldUnitTestBase {
+
+ /**
+ * Modules to enable.
+ *
+ * @var array
+ */
+ public static $modules = ['options'];
+
+ /**
+ * Test that allowed values can be updated.
+ */
+ public function testUpdateAllowedValues() {
+ // All three options appear.
+ $entity = EntityTest::create();
+ $form = \Drupal::service('entity.form_builder')->getForm($entity);
+ $this->assertTrue(!empty($form[$this->fieldName]['widget'][1]), 'Option 1 exists');
+ $this->assertTrue(!empty($form[$this->fieldName]['widget'][2]), 'Option 2 exists');
+ $this->assertTrue(!empty($form[$this->fieldName]['widget'][3]), 'Option 3 exists');
+
+ // Use one of the values in an actual entity, and check that this value
+ // cannot be removed from the list.
+ $entity = EntityTest::create();
+ $entity->{$this->fieldName}->value = 1;
+ $entity->save();
+ $this->fieldStorage->setSetting('allowed_values', [2 => 'Two']);
+ try {
+ $this->fieldStorage->save();
+ $this->fail(t('Cannot update a list field storage to not include keys with existing data.'));
+ }
+ catch (FieldStorageDefinitionUpdateForbiddenException $e) {
+ $this->pass(t('Cannot update a list field storage to not include keys with existing data.'));
+ }
+ // Empty the value, so that we can actually remove the option.
+ unset($entity->{$this->fieldName});
+ $entity->save();
+
+ // Removed options do not appear.
+ $this->fieldStorage->setSetting('allowed_values', [2 => 'Two']);
+ $this->fieldStorage->save();
+ $entity = EntityTest::create();
+ $form = \Drupal::service('entity.form_builder')->getForm($entity);
+ $this->assertTrue(empty($form[$this->fieldName]['widget'][1]), 'Option 1 does not exist');
+ $this->assertTrue(!empty($form[$this->fieldName]['widget'][2]), 'Option 2 exists');
+ $this->assertTrue(empty($form[$this->fieldName]['widget'][3]), 'Option 3 does not exist');
+
+ // Completely new options appear.
+ $this->fieldStorage->setSetting('allowed_values', [10 => 'Update', 20 => 'Twenty']);
+ $this->fieldStorage->save();
+ // The entity holds an outdated field object with the old allowed values
+ // setting, so we need to reinitialize the entity object.
+ $entity = EntityTest::create();
+ $form = \Drupal::service('entity.form_builder')->getForm($entity);
+ $this->assertTrue(empty($form[$this->fieldName]['widget'][1]), 'Option 1 does not exist');
+ $this->assertTrue(empty($form[$this->fieldName]['widget'][2]), 'Option 2 does not exist');
+ $this->assertTrue(empty($form[$this->fieldName]['widget'][3]), 'Option 3 does not exist');
+ $this->assertTrue(!empty($form[$this->fieldName]['widget'][10]), 'Option 10 exists');
+ $this->assertTrue(!empty($form[$this->fieldName]['widget'][20]), 'Option 20 exists');
+
+ // Options are reset when a new field with the same name is created.
+ $this->fieldStorage->delete();
+ FieldStorageConfig::create($this->fieldStorageDefinition)->save();
+ FieldConfig::create([
+ 'field_name' => $this->fieldName,
+ 'entity_type' => 'entity_test',
+ 'bundle' => 'entity_test',
+ 'required' => TRUE,
+ ])->save();
+ entity_get_form_display('entity_test', 'entity_test', 'default')
+ ->setComponent($this->fieldName, [
+ 'type' => 'options_buttons',
+ ])
+ ->save();
+ $entity = EntityTest::create();
+ $form = \Drupal::service('entity.form_builder')->getForm($entity);
+ $this->assertTrue(!empty($form[$this->fieldName]['widget'][1]), 'Option 1 exists');
+ $this->assertTrue(!empty($form[$this->fieldName]['widget'][2]), 'Option 2 exists');
+ $this->assertTrue(!empty($form[$this->fieldName]['widget'][3]), 'Option 3 exists');
+
+ // Test the generateSampleValue() method.
+ $entity = EntityTest::create();
+ $entity->{$this->fieldName}->generateSampleItems();
+ $this->entityValidateAndSave($entity);
+ }
+
+}