/**
  * Test the leftJoin() and innerJoin method of the DataQuery object
  */
 public function testJoins()
 {
     $dq = new DataQuery('SilverStripe\\Security\\Member');
     $dq->innerJoin("Group_Members", "\"Group_Members\".\"MemberID\" = \"Member\".\"ID\"");
     $this->assertSQLContains("INNER JOIN \"Group_Members\" ON \"Group_Members\".\"MemberID\" = \"Member\".\"ID\"", $dq->sql($parameters));
     $dq = new DataQuery('SilverStripe\\Security\\Member');
     $dq->leftJoin("Group_Members", "\"Group_Members\".\"MemberID\" = \"Member\".\"ID\"");
     $this->assertSQLContains("LEFT JOIN \"Group_Members\" ON \"Group_Members\".\"MemberID\" = \"Member\".\"ID\"", $dq->sql($parameters));
 }