function FieldAttachStorageTestCase::testFieldAttachSaveMissingData

Tests insert and update with missing or NULL fields.

File

modules/field/tests/field.test, line 389

Class

FieldAttachStorageTestCase

Unit test class for storage-related field_attach_* functions.

Code

function testFieldAttachSaveMissingData() {
    $entity_type = 'test_entity';
    $entity_init = field_test_create_stub_entity();
    $langcode = LANGUAGE_NONE;
    // Insert: Field is missing.
    $entity = clone $entity_init;
    field_attach_insert($entity_type, $entity);
    $entity = clone $entity_init;
    field_attach_load($entity_type, array(
        $entity->ftid => $entity,
    ));
    $this->assertTrue(empty($entity->{$this->field_name}), 'Insert: missing field results in no value saved');
    // Insert: Field is NULL.
    field_cache_clear();
    $entity = clone $entity_init;
    $entity->{$this->field_name} = NULL;
    field_attach_insert($entity_type, $entity);
    $entity = clone $entity_init;
    field_attach_load($entity_type, array(
        $entity->ftid => $entity,
    ));
    $this->assertTrue(empty($entity->{$this->field_name}), 'Insert: NULL field results in no value saved');
    // Add some real data.
    field_cache_clear();
    $entity = clone $entity_init;
    $values = $this->_generateTestFieldValues(1);
    $entity->{$this->field_name}[$langcode] = $values;
    field_attach_insert($entity_type, $entity);
    $entity = clone $entity_init;
    field_attach_load($entity_type, array(
        $entity->ftid => $entity,
    ));
    $this->assertEqual($entity->{$this->field_name}[$langcode], $values, 'Field data saved');
    // Update: Field is missing. Data should survive.
    field_cache_clear();
    $entity = clone $entity_init;
    field_attach_update($entity_type, $entity);
    $entity = clone $entity_init;
    field_attach_load($entity_type, array(
        $entity->ftid => $entity,
    ));
    $this->assertEqual($entity->{$this->field_name}[$langcode], $values, 'Update: missing field leaves existing values in place');
    // Update: Field is NULL. Data should be wiped.
    field_cache_clear();
    $entity = clone $entity_init;
    $entity->{$this->field_name} = NULL;
    field_attach_update($entity_type, $entity);
    $entity = clone $entity_init;
    field_attach_load($entity_type, array(
        $entity->ftid => $entity,
    ));
    $this->assertTrue(empty($entity->{$this->field_name}), 'Update: NULL field removes existing values');
    // Re-add some data.
    field_cache_clear();
    $entity = clone $entity_init;
    $values = $this->_generateTestFieldValues(1);
    $entity->{$this->field_name}[$langcode] = $values;
    field_attach_update($entity_type, $entity);
    $entity = clone $entity_init;
    field_attach_load($entity_type, array(
        $entity->ftid => $entity,
    ));
    $this->assertEqual($entity->{$this->field_name}[$langcode], $values, 'Field data saved');
    // Update: Field is empty array. Data should be wiped.
    field_cache_clear();
    $entity = clone $entity_init;
    $entity->{$this->field_name} = array();
    field_attach_update($entity_type, $entity);
    $entity = clone $entity_init;
    field_attach_load($entity_type, array(
        $entity->ftid => $entity,
    ));
    $this->assertTrue(empty($entity->{$this->field_name}), 'Update: empty array removes existing values');
}