Viewing file:  DbiDummy.php (10.31 KB) -rw-r--r--
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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Fake database driver for testing purposes
*
* It has hardcoded results for given queries what makes easy to use it
* in testsuite. Feel free to include other queries which your test will
* need.
*
* @package PhpMyAdmin-DBI
* @subpackage Dummy
*/
namespace PhpMyAdmin\Dbi;
require_once 'libraries/dbi/dbi_dummy.inc.php';
/**
* Fake database driver for testing purposes
*
* It has hardcoded results for given queries what makes easy to use it
* in testsuite. Feel free to include other queries which your test will
* need.
*
* @package PhpMyAdmin-DBI
* @subpackage Dummy
*/
class DbiDummy implements DbiExtension
{
private $_queries = array();
const OFFSET_GLOBAL = 1000;
/**
* connects to the database server
*
* @param string $user mysql user name
* @param string $password mysql user password
* @param array $server host/port/socket/persistent
*
* @return mixed false on error or a mysqli object on success
*/
public function connect(
$user,
$password,
array $server = []
) {
return true;
}
/**
* selects given database
*
* @param string $dbname name of db to select
* @param resource $link mysql link resource
*
* @return bool
*/
public function selectDb($dbname, $link)
{
$GLOBALS['dummy_db'] = $dbname;
return true;
}
/**
* runs a query and returns the result
*
* @param string $query query to run
* @param resource $link mysql link resource
* @param int $options query options
*
* @return mixed
*/
public function realQuery($query, $link = null, $options = 0)
{
$query = trim(preg_replace('/ */', ' ', str_replace("\n", ' ', $query)));
for ($i = 0, $nb = count($this->_queries); $i < $nb; $i++) {
if ($this->_queries[$i]['query'] != $query) {
continue;
}
$this->_queries[$i]['pos'] = 0;
if (!is_array($this->_queries[$i]['result'])) {
return false;
}
return $i;
}
for ($i = 0, $nb = count($GLOBALS['dummy_queries']); $i < $nb; $i++) {
if ($GLOBALS['dummy_queries'][$i]['query'] != $query) {
continue;
}
$GLOBALS['dummy_queries'][$i]['pos'] = 0;
if (!is_array($GLOBALS['dummy_queries'][$i]['result'])) {
return false;
}
return $i + self::OFFSET_GLOBAL;
}
echo "Not supported query: $query\n";
return false;
}
/**
* Run the multi query and output the results
*
* @param resource $link connection object
* @param string $query multi query statement to execute
*
* @return array|bool
*/
public function realMultiQuery($link, $query)
{
return false;
}
/**
* returns result data from $result
*
* @param object $result MySQL result
*
* @return array
*/
public function fetchAny($result)
{
$query_data = &$this->getQueryData($result);
if ($query_data['pos'] >= count($query_data['result'])) {
return false;
}
$ret = $query_data['result'][$query_data['pos']];
$query_data['pos'] += 1;
return $ret;
}
/**
* returns array of rows with associative and numeric keys from $result
*
* @param object $result result MySQL result
*
* @return array
*/
public function fetchArray($result)
{
$query_data = &$this->getQueryData($result);
$data = $this->fetchAny($result);
if (!is_array($data)
|| !isset($query_data['columns'])
) {
return $data;
}
foreach ($data as $key => $val) {
$data[$query_data['columns'][$key]] = $val;
}
return $data;
}
/**
* returns array of rows with associative keys from $result
*
* @param object $result MySQL result
*
* @return array
*/
public function fetchAssoc($result)
{
$data = $this->fetchAny($result);
$query_data = &$this->getQueryData($result);
if (!is_array($data) || !isset($query_data['columns'])) {
return $data;
}
$ret = array();
foreach ($data as $key => $val) {
$ret[$query_data['columns'][$key]] = $val;
}
return $ret;
}
/**
* returns array of rows with numeric keys from $result
*
* @param object $result MySQL result
*
* @return array
*/
public function fetchRow($result)
{
$data = $this->fetchAny($result);
return $data;
}
/**
* Adjusts the result pointer to an arbitrary row in the result
*
* @param object $result database result
* @param integer $offset offset to seek
*
* @return bool true on success, false on failure
*/
public function dataSeek($result, $offset)
{
$query_data = &$this->getQueryData($result);
if ($offset > count($query_data['result'])) {
return false;
}
$query_data['pos'] = $offset;
return true;
}
/**
* Frees memory associated with the result
*
* @param object $result database result
*
* @return void
*/
public function freeResult($result)
{
return;
}
/**
* Check if there are any more query results from a multi query
*
* @param resource $link the connection object
*
* @return bool false
*/
public function moreResults($link)
{
return false;
}
/**
* Prepare next result from multi_query
*
* @param resource $link the connection object
*
* @return boolean false
*/
public function nextResult($link)
{
return false;
}
/**
* Store the result returned from multi query
*
* @param resource $link the connection object
*
* @return mixed false when empty results / result set when not empty
*/
public function storeResult($link)
{
return false;
}
/**
* Returns a string representing the type of connection used
*
* @param resource $link mysql link
*
* @return string type of connection used
*/
public function getHostInfo($link)
{
return '';
}
/**
* Returns the version of the MySQL protocol used
*
* @param resource $link mysql link
*
* @return integer version of the MySQL protocol used
*/
public function getProtoInfo($link)
{
return -1;
}
/**
* returns a string that represents the client library version
*
* @return string MySQL client library version
*/
public function getClientInfo()
{
return '';
}
/**
* returns last error message or false if no errors occurred
*
* @param resource $link connection link
*
* @return string|bool $error or false
*/
public function getError($link)
{
return false;
}
/**
* returns the number of rows returned by last query
*
* @param object $result MySQL result
*
* @return string|int
*/
public function numRows($result)
{
if (is_bool($result)) {
return 0;
}
$query_data = &$this->getQueryData($result);
return count($query_data['result']);
}
/**
* returns the number of rows affected by last query
*
* @param resource $link the mysql object
* @param bool $get_from_cache whether to retrieve from cache
*
* @return string|int
*/
public function affectedRows($link = null, $get_from_cache = true)
{
return 0;
}
/**
* returns metainfo for fields in $result
*
* @param object $result result set identifier
*
* @return array meta info for fields in $result
*/
public function getFieldsMeta($result)
{
return array();
}
/**
* return number of fields in given $result
*
* @param object $result MySQL result
*
* @return int field count
*/
public function numFields($result)
{
$query_data = &$this->getQueryData($result);
if (!isset($query_data['columns'])) {
return 0;
}
return count($query_data['columns']);
}
/**
* returns the length of the given field $i in $result
*
* @param object $result result set identifier
* @param int $i field
*
* @return int length of field
*/
public function fieldLen($result, $i)
{
return -1;
}
/**
* returns name of $i. field in $result
*
* @param object $result result set identifier
* @param int $i field
*
* @return string name of $i. field in $result
*/
public function fieldName($result, $i)
{
return '';
}
/**
* returns concatenated string of human readable field flags
*
* @param object $result result set identifier
* @param int $i field
*
* @return string field flags
*/
public function fieldFlags($result, $i)
{
return '';
}
/**
* returns properly escaped string for use in MySQL queries
*
* @param mixed $link database link
* @param string $str string to be escaped
*
* @return string a MySQL escaped string
*/
public function escapeString($link, $str)
{
return $str;
}
/**
* Adds query result for testing
*
* @param string $query SQL
* @param array $result Expected result
*
* @return void
*/
public function setResult($query, $result)
{
$this->_queries[] = array(
'query' => $query,
'result' => $result,
);
}
/**
* Return query data for ID
*
* @param object $result result set identifier
*
* @return array
*/
private function &getQueryData($result)
{
if ($result >= self::OFFSET_GLOBAL) {
return $GLOBALS['dummy_queries'][$result - self::OFFSET_GLOBAL];
} else {
return $this->_queries[$result];
}
}
}
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