/**
* test Index introspection.
*
* @return void
*/
public function testIndex() {
$name = $this->Dbo->fullTableName('with_a_key');
$this->Dbo->query('CREATE TABLE ' . $name . ' ("id" int(11) PRIMARY KEY, "bool" int(1), "small_char" varchar(50), "description" varchar(40) );');
$this->Dbo->query('CREATE INDEX pointless_bool ON ' . $name . '("bool")');
$this->Dbo->query('CREATE UNIQUE INDEX char_index ON ' . $name . '("small_char")');
$expected = array(
'PRIMARY' => array('column' => 'id', 'unique' => 1),
'pointless_bool' => array('column' => 'bool', 'unique' => 0),
'char_index' => array('column' => 'small_char', 'unique' => 1),
);
$result = $this->Dbo->index($name);
$this->assertEqual($expected, $result);
$this->Dbo->query('DROP TABLE ' . $name);
$this->Dbo->query('CREATE TABLE ' . $name . ' ("id" int(11) PRIMARY KEY, "bool" int(1), "small_char" varchar(50), "description" varchar(40) );');
$this->Dbo->query('CREATE UNIQUE INDEX multi_col ON ' . $name . '("small_char", "bool")');
$expected = array(
'PRIMARY' => array('column' => 'id', 'unique' => 1),
'multi_col' => array('column' => array('small_char', 'bool'), 'unique' => 1),
);
$result = $this->Dbo->index($name);
$this->assertEqual($expected, $result);
$this->Dbo->query('DROP TABLE ' . $name);
}