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