function FieldBulkDeleteTestCase::testPurgeField

Verify that fields are preserved and purged correctly as multiple instances are deleted and purged.

File

modules/field/tests/field.test, line 3716

Class

FieldBulkDeleteTestCase

Unit test class for field bulk delete and batch purge functionality.

Code

function testPurgeField() {
    // Start recording hook invocations.
    field_test_memorize();
    $field = reset($this->fields);
    // Delete the first instance.
    $bundle = reset($this->bundles);
    $instance = field_info_instance($this->entity_type, $field['field_name'], $bundle);
    field_delete_instance($instance);
    // Assert that hook_field_delete() was not called yet.
    $mem = field_test_memorize();
    $this->assertEqual(count($mem), 0, 'No field hooks were called.');
    // Purge the data.
    field_purge_batch(10);
    // Check hooks invocations.
    // - hook_field_load() (multiple hook) should have been called once, for all
    // entities in the bundle.
    // - hook_field_delete() should have been called once for each entity in the
    // bundle.
    $actual_hooks = field_test_memorize();
    $hooks = array();
    $stubs = $this->_generateStubEntities($this->entity_type, $this->entities_by_bundles[$bundle], $field['field_name']);
    $hooks['field_test_field_load'][] = $stubs;
    foreach ($stubs as $stub) {
        $hooks['field_test_field_delete'][] = $stub;
    }
    $this->checkHooksInvocations($hooks, $actual_hooks);
    // Purge again to purge the instance.
    field_purge_batch(0);
    // The field still exists, not deleted.
    $fields = field_read_fields(array(
        'id' => $field['id'],
    ), array(
        'include_deleted' => 1,
    ));
    $this->assertTrue(isset($fields[$field['id']]) && !$fields[$field['id']]['deleted'], 'The field exists and is not deleted');
    // Delete the second instance.
    $bundle = next($this->bundles);
    $instance = field_info_instance($this->entity_type, $field['field_name'], $bundle);
    field_delete_instance($instance);
    // Assert that hook_field_delete() was not called yet.
    $mem = field_test_memorize();
    $this->assertEqual(count($mem), 0, 'No field hooks were called.');
    // Purge the data.
    field_purge_batch(10);
    // Check hooks invocations (same as above, for the 2nd bundle).
    $actual_hooks = field_test_memorize();
    $hooks = array();
    $stubs = $this->_generateStubEntities($this->entity_type, $this->entities_by_bundles[$bundle], $field['field_name']);
    $hooks['field_test_field_load'][] = $stubs;
    foreach ($stubs as $stub) {
        $hooks['field_test_field_delete'][] = $stub;
    }
    $this->checkHooksInvocations($hooks, $actual_hooks);
    // The field still exists, deleted.
    $fields = field_read_fields(array(
        'id' => $field['id'],
    ), array(
        'include_deleted' => 1,
    ));
    $this->assertTrue(isset($fields[$field['id']]) && $fields[$field['id']]['deleted'], 'The field exists and is deleted');
    // Purge again to purge the instance and the field.
    field_purge_batch(0);
    // The field is gone.
    $fields = field_read_fields(array(
        'id' => $field['id'],
    ), array(
        'include_deleted' => 1,
        'include_inactive' => 1,
    ));
    $this->assertEqual(count($fields), 0, 'The field is purged.');
}