function FieldSqlStorageTestCase::testFieldUpdateIndexesWithData in Drupal 7

Test adding and removing indexes while data is present.

File

modules/field/modules/field_sql_storage/field_sql_storage.test, line 403

Tests for field_sql_storage.module.

Class

FieldSqlStorageTestCase

Tests field storage.

Code

function testFieldUpdateIndexesWithData() {

  // Create a decimal field.
  $field_name = 'testfield';
  $field = array(
    'field_name' => $field_name,
    'type' => 'text',
  );
  $field = field_create_field($field);
  $instance = array(
    'field_name' => $field_name,
    'entity_type' => 'test_entity',
    'bundle' => 'test_bundle',
  );
  $instance = field_create_instance($instance);
  $tables = array(
    _field_sql_storage_tablename($field),
    _field_sql_storage_revision_tablename($field),
  );

  // Verify the indexes we will create do not exist yet.
  foreach ($tables as $table) {
    $this
      ->assertFalse(Database::getConnection()
      ->schema()
      ->indexExists($table, 'value'), format_string("No index named value exists in %table", array(
      '%table' => $table,
    )));
    $this
      ->assertFalse(Database::getConnection()
      ->schema()
      ->indexExists($table, 'value_format'), format_string("No index named value_format exists in %table", array(
      '%table' => $table,
    )));
  }

  // Add data so the table cannot be dropped.
  $entity = field_test_create_stub_entity(0, 0, $instance['bundle']);
  $entity->{$field_name}[LANGUAGE_NONE][0]['value'] = 'field data';
  field_attach_insert('test_entity', $entity);

  // Add an index
  $field = array(
    'field_name' => $field_name,
    'indexes' => array(
      'value' => array(
        array(
          'value',
          255,
        ),
      ),
    ),
  );
  field_update_field($field);
  foreach ($tables as $table) {
    $this
      ->assertTrue(Database::getConnection()
      ->schema()
      ->indexExists($table, "{$field_name}_value"), format_string("Index on value created in %table", array(
      '%table' => $table,
    )));
  }

  // Add a different index, removing the existing custom one.
  $field = array(
    'field_name' => $field_name,
    'indexes' => array(
      'value_format' => array(
        array(
          'value',
          127,
        ),
        array(
          'format',
          127,
        ),
      ),
    ),
  );
  field_update_field($field);
  foreach ($tables as $table) {
    $this
      ->assertTrue(Database::getConnection()
      ->schema()
      ->indexExists($table, "{$field_name}_value_format"), format_string("Index on value_format created in %table", array(
      '%table' => $table,
    )));
    $this
      ->assertFalse(Database::getConnection()
      ->schema()
      ->indexExists($table, "{$field_name}_value"), format_string("Index on value removed in %table", array(
      '%table' => $table,
    )));
  }

  // Verify that the tables were not dropped.
  $entity = field_test_create_stub_entity(0, 0, $instance['bundle']);
  field_attach_load('test_entity', array(
    0 => $entity,
  ));
  $this
    ->assertEqual($entity->{$field_name}[LANGUAGE_NONE][0]['value'], 'field data', "Index changes performed without dropping the tables");
}