function FieldAttachStorageTest::testFieldAttachSaveEmptyData

Tests insert and update with empty or NULL fields.

File

core/modules/field/tests/src/Kernel/FieldAttachStorageTest.php, line 152

Class

FieldAttachStorageTest

Tests storage-related Field Attach API functions.

Namespace

Code

public function testFieldAttachSaveEmptyData() : void {
    $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);
    $this->assertEquals($values, $entity->{$this->fieldTestData->field_name}
        ->getValue(), '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);
    $this->assertEquals($values, $entity->{$this->fieldTestData->field_name}
        ->getValue(), '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');
}