function AlterTest::testAlterExpression in Zircon Profile 8

Same name and namespace in other branches

1. 8.0 core/modules/system/src/Tests/Database/AlterTest.php \Drupal\system\Tests\Database\AlterTest::testAlterExpression()

Tests that we can alter expressions in the query.

File

core/modules/system/src/Tests/Database/AlterTest.php, line 99

Contains \Drupal\system\Tests\Database\AlterTest.

Class

AlterTest

Tests the hook_query_alter capabilities of the Select builder.

Namespace

Drupal\system\Tests\Database

Code

function testAlterExpression() {
  $query = db_select('test');
  $name_field = $query
    ->addField('test', 'name');
  $age_field = $query
    ->addExpression("age*2", 'double_age');
  $query
    ->condition('age', 27);
  $query
    ->addTag('database_test_alter_change_expressions');
  $result = $query
    ->execute();

  // Ensure that we got the right record.
  $record = $result
    ->fetch();
  $this
    ->assertEqual($record->{$name_field}, 'George', 'Fetched name is correct.');
  $this
    ->assertEqual($record->{$age_field}, 27 * 3, 'Fetched age expression is correct.');
}