function DatabaseSelectTestCase::testSimpleSelectExpression in SimpleTest 7

Test SELECT statements with expressions.

File

tests/database_test.test, line 1243

Class

DatabaseSelectTestCase

Test the SELECT builder.

Code

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

  // Check that the aliases are being created the way we want.
  $this
    ->assertEqual($name_field, 'name', t('Name field alias is correct.'));
  $this
    ->assertEqual($age_field, 'double_age', t('Age field alias is correct.'));

  // Ensure that we got the right record.
  $record = $result
    ->fetch();
  $this
    ->assertEqual($record->{$name_field}, 'George', t('Fetched name is correct.'));
  $this
    ->assertEqual($record->{$age_field}, 27 * 2, t('Fetched age expression is correct.'));
}