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<?php
/**
* Test the abstract database layer
* Using Mysql for the sql at the moment TODO
*
* @group Database
*/
class DatabaseSQLTest extends MediaWikiTestCase {
public function setUp() {
// TODO support other DBMS or find another way to do it
if( $this->db->getType() !== 'mysql' ) {
$this->markTestSkipped( 'No mysql database' );
}
}
/**
* @dataProvider dataSelectSQLText
*/
function testSelectSQLText( $sql, $sqlText ) {
$this->assertEquals( trim( $this->db->selectSQLText(
isset( $sql['tables'] ) ? $sql['tables'] : array(),
isset( $sql['fields'] ) ? $sql['fields'] : array(),
isset( $sql['conds'] ) ? $sql['conds'] : array(),
__METHOD__,
isset( $sql['options'] ) ? $sql['options'] : array(),
isset( $sql['join_conds'] ) ? $sql['join_conds'] : array()
) ), $sqlText );
}
function dataSelectSQLText() {
return array(
array(
array(
'tables' => 'table',
'fields' => array( 'field', 'alias' => 'field2' ),
'conds' => array( 'alias' => 'text' ),
),
"SELECT field,field2 AS alias " .
"FROM `unittest_table` " .
"WHERE alias = 'text'"
),
array(
array(
'tables' => 'table',
'fields' => array( 'field', 'alias' => 'field2' ),
'conds' => array( 'alias' => 'text' ),
'options' => array( 'LIMIT' => 1, 'ORDER BY' => 'field' ),
),
"SELECT field,field2 AS alias " .
"FROM `unittest_table` " .
"WHERE alias = 'text' " .
"ORDER BY field " .
"LIMIT 1"
),
array(
array(
'tables' => array( 'table', 't2' => 'table2' ),
'fields' => array( 'tid', 'field', 'alias' => 'field2', 't2.id' ),
'conds' => array( 'alias' => 'text' ),
'options' => array( 'LIMIT' => 1, 'ORDER BY' => 'field' ),
'join_conds' => array( 't2' => array(
'LEFT JOIN', 'tid = t2.id'
)),
),
"SELECT tid,field,field2 AS alias,t2.id " .
"FROM `unittest_table` LEFT JOIN `unittest_table2` `t2` ON ((tid = t2.id)) " .
"WHERE alias = 'text' " .
"ORDER BY field " .
"LIMIT 1"
),
array(
array(
'tables' => array( 'table', 't2' => 'table2' ),
'fields' => array( 'tid', 'field', 'alias' => 'field2', 't2.id' ),
'conds' => array( 'alias' => 'text' ),
'options' => array( 'LIMIT' => 1, 'GROUP BY' => 'field', 'HAVING' => 'COUNT(*) > 1' ),
'join_conds' => array( 't2' => array(
'LEFT JOIN', 'tid = t2.id'
)),
),
"SELECT tid,field,field2 AS alias,t2.id " .
"FROM `unittest_table` LEFT JOIN `unittest_table2` `t2` ON ((tid = t2.id)) " .
"WHERE alias = 'text' " .
"GROUP BY field HAVING COUNT(*) > 1 " .
"LIMIT 1"
),
array(
array(
'tables' => array( 'table', 't2' => 'table2' ),
'fields' => array( 'tid', 'field', 'alias' => 'field2', 't2.id' ),
'conds' => array( 'alias' => 'text' ),
'options' => array( 'LIMIT' => 1, 'GROUP BY' => array( 'field', 'field2' ), 'HAVING' => array( 'COUNT(*) > 1', 'field' => 1 ) ),
'join_conds' => array( 't2' => array(
'LEFT JOIN', 'tid = t2.id'
)),
),
"SELECT tid,field,field2 AS alias,t2.id " .
"FROM `unittest_table` LEFT JOIN `unittest_table2` `t2` ON ((tid = t2.id)) " .
"WHERE alias = 'text' " .
"GROUP BY field,field2 HAVING (COUNT(*) > 1) AND field = '1' " .
"LIMIT 1"
),
);
}
/**
* @dataProvider dataConditional
*/
function testConditional( $sql, $sqlText ) {
$this->assertEquals( trim( $this->db->conditional(
$sql['conds'],
$sql['true'],
$sql['false']
) ), $sqlText );
}
function dataConditional() {
return array(
array(
array(
'conds' => array( 'field' => 'text' ),
'true' => 1,
'false' => 'NULL',
),
"(CASE WHEN field = 'text' THEN 1 ELSE NULL END)"
),
array(
array(
'conds' => array( 'field' => 'text', 'field2' => 'anothertext' ),
'true' => 1,
'false' => 'NULL',
),
"(CASE WHEN field = 'text' AND field2 = 'anothertext' THEN 1 ELSE NULL END)"
),
array(
array(
'conds' => 'field=1',
'true' => 1,
'false' => 'NULL',
),
"(CASE WHEN field=1 THEN 1 ELSE NULL END)"
),
);
}
}
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