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<?php
/**
* Helper for testing the methods from the DatabaseBase class
* @since 1.22
*/
class DatabaseTestHelper extends DatabaseBase {
/**
* __CLASS__ of the test suite,
* used to determine, if the function name is passed every time to query()
*/
protected $testName = array();
/**
* Array of lastSqls passed to query(),
* This is an array since some methods in DatabaseBase can do more than one
* query. Cleared when calling getLastSqls().
*/
protected $lastSqls = array();
/**
* Array of tables to be considered as existing by tableExist()
* Use setExistingTables() to alter.
*/
protected $tablesExists;
public function __construct( $testName ) {
$this->testName = $testName;
}
/**
* Returns SQL queries grouped by '; '
* Clear the list of queries that have been done so far.
*/
public function getLastSqls() {
$lastSqls = implode( '; ', $this->lastSqls );
$this->lastSqls = array();
return $lastSqls;
}
public function setExistingTables( $tablesExists ) {
$this->tablesExists = (array)$tablesExists;
}
protected function addSql( $sql ) {
// clean up spaces before and after some words and the whole string
$this->lastSqls[] = trim( preg_replace(
'/\s{2,}(?=FROM|WHERE|GROUP BY|ORDER BY|LIMIT)|(?<=SELECT|INSERT|UPDATE)\s{2,}/',
' ', $sql
) );
}
protected function checkFunctionName( $fname ) {
if ( substr( $fname, 0, strlen( $this->testName ) ) !== $this->testName ) {
throw new MWException( 'function name does not start with test class. ' .
$fname . ' vs. ' . $this->testName . '. ' .
'Please provide __METHOD__ to database methods.' );
}
}
function strencode( $s ) {
// Choose apos to avoid handling of escaping double quotes in quoted text
return str_replace( "'", "\'", $s );
}
public function addIdentifierQuotes( $s ) {
// no escaping to avoid handling of double quotes in quoted text
return $s;
}
public function query( $sql, $fname = '', $tempIgnore = false ) {
$this->checkFunctionName( $fname );
$this->addSql( $sql );
return parent::query( $sql, $fname, $tempIgnore );
}
public function tableExists( $table, $fname = __METHOD__ ) {
$this->checkFunctionName( $fname );
return in_array( $table, (array)$this->tablesExists );
}
// Redeclare parent method to make it public
public function nativeReplace( $table, $rows, $fname ) {
return parent::nativeReplace( $table, $rows, $fname );
}
function getType() {
return 'test';
}
function open( $server, $user, $password, $dbName ) {
return false;
}
function fetchObject( $res ) {
return false;
}
function fetchRow( $res ) {
return false;
}
function numRows( $res ) {
return -1;
}
function numFields( $res ) {
return -1;
}
function fieldName( $res, $n ) {
return 'test';
}
function insertId() {
return -1;
}
function dataSeek( $res, $row ) {
/* nop */
}
function lastErrno() {
return -1;
}
function lastError() {
return 'test';
}
function fieldInfo( $table, $field ) {
return false;
}
function indexInfo( $table, $index, $fname = 'Database::indexInfo' ) {
return false;
}
function affectedRows() {
return -1;
}
function getSoftwareLink() {
return 'test';
}
function getServerVersion() {
return 'test';
}
function getServerInfo() {
return 'test';
}
protected function closeConnection() {
return false;
}
protected function doQuery( $sql ) {
return array();
}
}
|
