function EntityFieldTest::doTestReadWrite

Executes the read write test set for a defined entity type.

Parameters

string $entity_type: The entity type to run the tests with.

File

core/tests/Drupal/KernelTests/Core/Entity/EntityFieldTest.php, line 150

Class

EntityFieldTest

Tests the Entity Field API.

Namespace

Code

protected function doTestReadWrite($entity_type) {
    $entity = $this->createTestEntity($entity_type);
    $langcode = 'en';
    // Access the name field.
    $this->assertInstanceOf(FieldItemListInterface::class, $entity->name);
    $this->assertInstanceOf(FieldItemInterface::class, $entity->name[0]);
    $this->assertEquals($this->entityName, $entity->name->value, "{$entity_type}: Name value can be read.");
    $this->assertEquals($this->entityName, $entity->name[0]->value, "{$entity_type}: Name value can be read through list access.");
    $this->assertEquals([
        0 => [
            'value' => $this->entityName,
        ],
    ], $entity->name
        ->getValue(), "{$entity_type}: Plain field value returned.");
    // Change the name.
    $new_name = $this->randomMachineName();
    $entity->name->value = $new_name;
    $this->assertEquals($new_name, $entity->name->value, "{$entity_type}: Name can be updated and read.");
    $this->assertEquals([
        0 => [
            'value' => $new_name,
        ],
    ], $entity->name
        ->getValue(), "{$entity_type}: Plain field value reflects the update.");
    $new_name = $this->randomMachineName();
    $entity->name[0]->value = $new_name;
    $this->assertEquals($new_name, $entity->name->value, "{$entity_type}: Name can be updated and read through list access.");
    // Access the user field.
    $this->assertInstanceOf(FieldItemListInterface::class, $entity->user_id);
    $this->assertInstanceOf(FieldItemInterface::class, $entity->user_id[0]);
    $this->assertEquals($this->entityUser
        ->id(), $entity->user_id->target_id, "{$entity_type}: User id can be read.");
    $this->assertEquals($this->entityUser
        ->getAccountName(), $entity->user_id->entity->name->value, "{$entity_type}: User name can be read.");
    // Change the assigned user by entity.
    $new_user1 = $this->createUser();
    $entity->user_id->entity = $new_user1;
    $this->assertEquals($new_user1->id(), $entity->user_id->target_id, "{$entity_type}: Updated user id can be read.");
    $this->assertEquals($new_user1->getAccountName(), $entity->user_id->entity->name->value, "{$entity_type}: Updated username value can be read.");
    // Change the assigned user by id.
    $new_user2 = $this->createUser();
    $entity->user_id->target_id = $new_user2->id();
    $this->assertEquals($new_user2->id(), $entity->user_id->target_id, "{$entity_type}: Updated user id can be read.");
    $this->assertEquals($new_user2->getAccountName(), $entity->user_id->entity->name->value, "{$entity_type}: Updated username value can be read.");
    // Try unsetting a field property.
    $entity->name->value = NULL;
    $entity->user_id->target_id = NULL;
    $this->assertNull($entity->name->value, "{$entity_type}: Name field is not set.");
    $this->assertNull($entity->user_id->target_id, "{$entity_type}: User ID field is not set.");
    $this->assertNull($entity->user_id->entity, "{$entity_type}: User entity field is not set.");
    // Test setting the values via the typed data API works as well.
    // Change the assigned user by entity.
    $entity->user_id
        ->first()
        ->get('entity')
        ->setValue($new_user2);
    $this->assertEquals($new_user2->id(), $entity->user_id->target_id, "{$entity_type}: Updated user id can be read.");
    $this->assertEquals($new_user2->getAccountName(), $entity->user_id->entity->name->value, "{$entity_type}: Updated user name value can be read.");
    // Change the assigned user by id.
    $entity->user_id
        ->first()
        ->get('target_id')
        ->setValue($new_user2->id());
    $this->assertEquals($new_user2->id(), $entity->user_id->target_id, "{$entity_type}: Updated user id can be read.");
    $this->assertEquals($new_user2->getAccountName(), $entity->user_id->entity->name->value, "{$entity_type}: Updated user name value can be read.");
    // Try unsetting a field.
    $entity->name
        ->first()
        ->get('value')
        ->setValue(NULL);
    $entity->user_id
        ->first()
        ->get('target_id')
        ->setValue(NULL);
    $this->assertNull($entity->name->value, "{$entity_type}: Name field is not set.");
    $this->assertNull($entity->user_id->target_id, "{$entity_type}: User ID field is not set.");
    $this->assertNull($entity->user_id->entity, "{$entity_type}: User entity field is not set.");
    // Create a fresh entity so target_id does not get its property object
    // instantiated, then verify setting a new value via typed data API works.
    $entity2 = $this->container
        ->get('entity_type.manager')
        ->getStorage($entity_type)
        ->create([
        'user_id' => [
            'target_id' => $new_user1->id(),
        ],
    ]);
    // Access the property object, and set a value.
    $entity2->user_id
        ->first()
        ->get('target_id')
        ->setValue($new_user2->id());
    $this->assertEquals($new_user2->id(), $entity2->user_id->target_id, "{$entity_type}: Updated user id can be read.");
    $this->assertEquals($new_user2->name->value, $entity2->user_id->entity->name->value, "{$entity_type}: Updated user name value can be read.");
    // Test using isset(), empty() and unset().
    $entity->name->value = 'test unset';
    unset($entity->name->value);
    $this->assertFalse(isset($entity->name->value), "{$entity_type}: Name is not set.");
    $this->assertFalse(isset($entity->name[0]->value), "{$entity_type}: Name is not set.");
    $this->assertEmpty($entity->name->value, "{$entity_type}: Name is empty.");
    $this->assertEmpty($entity->name[0]->value, "{$entity_type}: Name is empty.");
    $entity->name->value = 'a value';
    $this->assertTrue(isset($entity->name->value), "{$entity_type}: Name is set.");
    $this->assertTrue(isset($entity->name[0]->value), "{$entity_type}: Name is set.");
    $this->assertNotEmpty($entity->name->value, "{$entity_type}: Name is not empty.");
    $this->assertNotEmpty($entity->name[0]->value, "{$entity_type}: Name is not empty.");
    $this->assertTrue(isset($entity->name[0]), "{$entity_type}: Name string item is set.");
    $this->assertFalse(isset($entity->name[1]), "{$entity_type}: Second name string item is not set as it does not exist");
    $this->assertTrue(isset($entity->name), "{$entity_type}: Name field is set.");
    $this->assertFalse(isset($entity->nameInvalid), "{$entity_type}: Non-existent field is not set.");
    unset($entity->name[0]);
    $this->assertFalse(isset($entity->name[0]), "{$entity_type}: Name field item is not set.");
    $this->assertFalse(isset($entity->name[0]->value), "{$entity_type}: Name is not set.");
    $this->assertFalse(isset($entity->name->value), "{$entity_type}: Name is not set.");
    // Test emptying a field by assigning an empty value. NULL and array()
    // behave the same.
    foreach ([
        NULL,
        [],
        'unset',
    ] as $empty) {
        // Make sure a value is present
        $entity->name->value = 'a value';
        $this->assertTrue(isset($entity->name->value), "{$entity_type}: Name is set.");
        // Now, empty the field.
        if ($empty === 'unset') {
            unset($entity->name);
        }
        else {
            $entity->name = $empty;
        }
        $this->assertTrue(isset($entity->name), "{$entity_type}: Name field is set.");
        $this->assertTrue($entity->name
            ->isEmpty(), "{$entity_type}: Name field is set.");
        $this->assertCount(0, $entity->name, "{$entity_type}: Name field contains no items.");
        $this->assertSame([], $entity->name
            ->getValue(), "{$entity_type}: Name field value is an empty array.");
        $this->assertFalse(isset($entity->name[0]), "{$entity_type}: Name field item is not set.");
        $this->assertFalse(isset($entity->name[0]->value), "{$entity_type}: First name item value is not set.");
        $this->assertFalse(isset($entity->name->value), "{$entity_type}: Name value is not set.");
    }
    // Access the language field.
    $langcode_key = $this->entityTypeManager
        ->getDefinition($entity_type)
        ->getKey('langcode');
    $this->assertEquals($langcode, $entity->{$langcode_key}->value, "{$entity_type}: Language code can be read.");
    $this->assertEquals(\Drupal::languageManager()->getLanguage($langcode), $entity->{$langcode_key}->language, "{$entity_type}: Language object can be read.");
    // Change the language by code.
    $entity->{$langcode_key}->value = \Drupal::languageManager()->getDefaultLanguage()
        ->getId();
    $this->assertEquals(\Drupal::languageManager()->getDefaultLanguage()
        ->getId(), $entity->{$langcode_key}->value, "{$entity_type}: Language code can be read.");
    $this->assertEquals(\Drupal::languageManager()->getDefaultLanguage(), $entity->{$langcode_key}->language, "{$entity_type}: Language object can be read.");
    // Revert language by code then try setting it by language object.
    $entity->{$langcode_key}->value = $langcode;
    $entity->{$langcode_key}->language = \Drupal::languageManager()->getDefaultLanguage();
    $this->assertEquals(\Drupal::languageManager()->getDefaultLanguage()
        ->getId(), $entity->{$langcode_key}->value, "{$entity_type}: Language code can be read.");
    $this->assertEquals(\Drupal::languageManager()->getDefaultLanguage(), $entity->{$langcode_key}->language, "{$entity_type}: Language object can be read.");
    // Access the text field and test updating.
    $this->assertEquals($this->entityFieldText, $entity->field_test_text->value, "{$entity_type}: Text field can be read.");
    $new_text = $this->randomMachineName();
    $entity->field_test_text->value = $new_text;
    $this->assertEquals($new_text, $entity->field_test_text->value, "{$entity_type}: Updated text field can be read.");
    // Test creating the entity by passing in plain values.
    $this->entityName = $this->randomMachineName();
    $name_item[0]['value'] = $this->entityName;
    $this->entityUser = $this->createUser();
    $user_item[0]['target_id'] = $this->entityUser
        ->id();
    $this->entityFieldText = $this->randomMachineName();
    $text_item[0]['value'] = $this->entityFieldText;
    $entity = $this->container
        ->get('entity_type.manager')
        ->getStorage($entity_type)
        ->create([
        'name' => $name_item,
        'user_id' => $user_item,
        'field_test_text' => $text_item,
    ]);
    $this->assertEquals($this->entityName, $entity->name->value, "{$entity_type}: Name value can be read.");
    $this->assertEquals($this->entityUser
        ->id(), $entity->user_id->target_id, "{$entity_type}: User id can be read.");
    $this->assertEquals($this->entityUser
        ->getAccountName(), $entity->user_id->entity->name->value, "{$entity_type}: User name can be read.");
    $this->assertEquals($this->entityFieldText, $entity->field_test_text->value, "{$entity_type}: Text field can be read.");
    // Tests copying field values by assigning the TypedData objects.
    $entity2 = $this->createTestEntity($entity_type);
    $entity2->name = $entity->name;
    $entity2->user_id = $entity->user_id;
    $entity2->field_test_text = $entity->field_test_text;
    $this->assertNotSame($entity->name, $entity2->name, "{$entity_type}: Copying properties results in a different field object.");
    $this->assertEquals($entity->name->value, $entity2->name->value, "{$entity_type}: Name field copied.");
    $this->assertEquals($entity->user_id->target_id, $entity2->user_id->target_id, "{$entity_type}: User id field copied.");
    $this->assertEquals($entity->field_test_text->value, $entity2->field_test_text->value, "{$entity_type}: Text field copied.");
    // Tests that assigning TypedData objects to non-field properties keeps the
    // assigned value as is.
    $entity2 = $this->createTestEntity($entity_type);
    $entity2->_not_a_field = $entity->name;
    $this->assertSame($entity->name, $entity2->_not_a_field, "{$entity_type}: Typed data objects can be copied to non-field properties as is.");
    // Tests adding a value to a field item list.
    $entity->name[] = 'Another name';
    $this->assertEquals('Another name', $entity->name[1]->value, "{$entity_type}: List item added via [] and the first property.");
    $entity->name[] = [
        'value' => 'Third name',
    ];
    $this->assertEquals('Third name', $entity->name[2]->value, "{$entity_type}: List item added via [] and an array of properties.");
    $entity->name[3] = [
        'value' => 'Fourth name',
    ];
    $this->assertEquals('Fourth name', $entity->name[3]->value, "{$entity_type}: List item added via offset and an array of properties.");
    unset($entity->name[3]);
    // Test removing and empty-ing list items.
    $this->assertCount(3, $entity->name, "{$entity_type}: List has 3 items.");
    unset($entity->name[1]);
    $this->assertCount(2, $entity->name, "{$entity_type}: Second list item has been removed.");
    $this->assertEquals('Third name', $entity->name[1]->value, "{$entity_type}: The subsequent items have been shifted up.");
    $this->assertEquals(1, $entity->name[1]
        ->getName(), "{$entity_type}: The items names have been updated to their new delta.");
    $entity->name[1] = NULL;
    $this->assertCount(2, $entity->name, "{$entity_type}: Assigning NULL does not reduce array count.");
    $this->assertTrue($entity->name[1]
        ->isEmpty(), "{$entity_type}: Assigning NULL empties the item.");
    // Test using isEmpty().
    unset($entity->name[1]);
    $this->assertFalse($entity->name[0]
        ->isEmpty(), "{$entity_type}: Name item is not empty.");
    $entity->name->value = NULL;
    $this->assertTrue($entity->name[0]
        ->isEmpty(), "{$entity_type}: Name item is empty.");
    $this->assertTrue($entity->name
        ->isEmpty(), "{$entity_type}: Name field is empty.");
    $this->assertCount(1, $entity->name, "{$entity_type}: Empty item is considered when counting.");
    $this->assertCount(1, iterator_to_array($entity->name
        ->getIterator()), "{$entity_type}: Count matches iterator count.");
    $this->assertSame([
        0 => [
            'value' => NULL,
        ],
    ], $entity->name
        ->getValue(), "{$entity_type}: Name field value contains a NULL value.");
    // Test using filterEmptyItems().
    $entity->name = [
        NULL,
        'foo',
    ];
    $this->assertCount(2, $entity->name, "{$entity_type}: List has 2 items.");
    $entity->name
        ->filterEmptyItems();
    $this->assertCount(1, $entity->name, "{$entity_type}: The empty item was removed.");
    $this->assertEquals('foo', $entity->name[0]->value, "{$entity_type}: The items were renumbered.");
    $this->assertEquals(0, $entity->name[0]
        ->getName(), "{$entity_type}: The deltas were updated in the items.");
    // Test get and set field values.
    $entity->name = 'foo';
    $this->assertEquals([
        'value' => 'foo',
    ], $entity->name[0]
        ->toArray(), "{$entity_type}: Field value has been retrieved via toArray()");
    $values = $entity->toArray();
    $this->assertEquals([
        0 => [
            'value' => 'foo',
        ],
    ], $values['name'], "{$entity_type}: Field value has been retrieved via toArray() from an entity.");
    // Make sure the user id can be set to zero.
    $user_item[0]['target_id'] = 0;
    $entity = $this->container
        ->get('entity_type.manager')
        ->getStorage($entity_type)
        ->create([
        'name' => $name_item,
        'user_id' => $user_item,
        'field_test_text' => $text_item,
    ]);
    $this->assertNotNull($entity->user_id->target_id, "{$entity_type}: User id is not NULL");
    $this->assertSame(0, $entity->user_id->target_id, "{$entity_type}: User id has been set to 0");
    // Test setting the ID with the value only.
    $entity = $this->container
        ->get('entity_type.manager')
        ->getStorage($entity_type)
        ->create([
        'name' => $name_item,
        'user_id' => 0,
        'field_test_text' => $text_item,
    ]);
    $this->assertNotNull($entity->user_id->target_id, "{$entity_type}: User id is not NULL");
    $this->assertSame(0, $entity->user_id->target_id, "{$entity_type}: User id has been set to 0");
}