<?php
namespace RedUNIT\Blackhole;
use RedUNIT\Blackhole as Blackhole;
use RedBeanPHP\Facade as R;
use RedBeanPHP\QueryWriter as QueryWriter;
/**
* Glue
*
* RedBeanPHP does NOT parse entire queries and it does not
* ship with a query builder. However because RedBeanPHP
* facilitates mixing-in SQL snippets using methods like
* find(), via(), with(), withCondition() and so on...,
* it needs to be able to figure out how two query part strings
* can be connected to eachother. In particular parts beginning with or
* without 'WHERE', 'AND' and 'OR'. This test checks whether the
* QueryWriter has the ability to glue together query parts correctly.
* The gluer is part of the QueryWriter, however since this narrow
* slice of SQL syntax is so generic it's been implemented at Writer
* level and all drivers in RedBeanPHP inherit the generic implementation.
* At the moment of writing no additional glue methods had to be
* implemented.
*
* @file RedUNIT/Blackhole/Glue.php
* @desc Tests query gluer.
* @author Gabor de Mooij and the RedBeanPHP Community
* @license New BSD/GPLv2
*
* (c) G.J.G.T. (Gabor) de Mooij and the RedBeanPHP Community.
* This source file is subject to the New BSD/GPLv2 License that is bundled
* with this source code in the file license.txt.
*/
class Glue extends Blackhole
{
/**
* Tests whether we can intelligently glue together SQL snippets.
*
* @return void
*/
public function testGlue()
{
$writer = R::getWriter();
//Can we add a condition without having to type 'WHERE' - usual suspects
asrt( $writer->glueSQLCondition( ' name = ? '), ' WHERE name = ? ' );
asrt( $writer->glueSQLCondition( ' value1 > ? OR value < ? '), ' WHERE value1 > ? OR value < ? ' );
//Does it recognize NON-WHERE conditions? - usual suspects
asrt( $writer->glueSQLCondition( ' ORDER BY name '), ' ORDER BY name ' );
asrt( $writer->glueSQLCondition( ' LIMIT 10 '), ' LIMIT 10 ' );
asrt( $writer->glueSQLCondition( ' OFFSET 20 '), ' OFFSET 20 ' );
//highly doubtful but who knows... - I think nobody will ever use this in a query snippet.
asrt( $writer->glueSQLCondition( ' GROUP BY grp '), ' GROUP BY grp ' );
asrt( $writer->glueSQLCondition( ' HAVING x = ? '), ' HAVING x = ? ' );
//can we replace WHERE with AND ?
asrt( $writer->glueSQLCondition( ' AND name = ? ', QueryWriter::C_GLUE_WHERE ), ' WHERE name = ? ' );
//can we glue with AND instead of WHERE ?
asrt( $writer->glueSQLCondition( ' value1 > ? OR value < ? ', QueryWriter::C_GLUE_AND ), ' AND value1 > ? OR value < ? ' );
//non-cases
asrt( $writer->glueSQLCondition( ' GROUP BY grp ', QueryWriter::C_GLUE_WHERE ), ' GROUP BY grp ' );
asrt( $writer->glueSQLCondition( ' GROUP BY grp ', QueryWriter::C_GLUE_AND ), ' GROUP BY grp ' );
}
}
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