lepisi-pengumuman/vendor/phpunit/dbunit/src/Database/DataSet.php

143 lines
3.9 KiB
PHP

<?php
/*
* This file is part of DbUnit.
*
* (c) Sebastian Bergmann <sebastian@phpunit.de>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace PHPUnit\DbUnit\Database;
use PHPUnit\DbUnit\DataSet\AbstractDataSet;
use PHPUnit\DbUnit\DataSet\DefaultTableMetadata;
use PHPUnit\DbUnit\DataSet\ITableMetadata;
use PHPUnit\DbUnit\InvalidArgumentException;
use PHPUnit\DbUnit\RuntimeException;
/**
* Provides access to a database instance as a data set.
*/
class DataSet extends AbstractDataSet
{
/**
* An array of ITable objects.
*
* @var array
*/
protected $tables = [];
/**
* The database connection this dataset is using.
*
* @var Connection
*/
protected $databaseConnection;
/**
* Creates a new dataset using the given database connection.
*
* @param Connection $databaseConnection
*/
public function __construct(Connection $databaseConnection)
{
$this->databaseConnection = $databaseConnection;
}
/**
* Creates the query necessary to pull all of the data from a table.
*
* @param ITableMetadata $tableMetaData
*
* @return string
*/
public static function buildTableSelect(ITableMetadata $tableMetaData, Connection $databaseConnection = null)
{
if ($tableMetaData->getTableName() == '') {
$e = new RuntimeException('Empty Table Name');
echo $e->getTraceAsString();
throw $e;
}
$columns = $tableMetaData->getColumns();
if ($databaseConnection) {
$columns = array_map([$databaseConnection, 'quoteSchemaObject'], $columns);
}
$columnList = implode(', ', $columns);
if ($databaseConnection) {
$tableName = $databaseConnection->quoteSchemaObject($tableMetaData->getTableName());
} else {
$tableName = $tableMetaData->getTableName();
}
$primaryKeys = $tableMetaData->getPrimaryKeys();
if ($databaseConnection) {
$primaryKeys = array_map([$databaseConnection, 'quoteSchemaObject'], $primaryKeys);
}
if (count($primaryKeys)) {
$orderBy = 'ORDER BY ' . implode(' ASC, ', $primaryKeys) . ' ASC';
} else {
$orderBy = '';
}
return "SELECT {$columnList} FROM {$tableName} {$orderBy}";
}
/**
* Creates an iterator over the tables in the data set. If $reverse is
* true a reverse iterator will be returned.
*
* @param bool $reverse
*
* @return TableIterator
*/
protected function createIterator($reverse = false)
{
return new TableIterator($this->getTableNames(), $this, $reverse);
}
/**
* Returns a table object for the given table.
*
* @param string $tableName
*
* @return Table
*/
public function getTable($tableName)
{
if (!in_array($tableName, $this->getTableNames())) {
throw new InvalidArgumentException("$tableName is not a table in the current database.");
}
if (empty($this->tables[$tableName])) {
$this->tables[$tableName] = new Table($this->getTableMetaData($tableName), $this->databaseConnection);
}
return $this->tables[$tableName];
}
/**
* Returns a table meta data object for the given table.
*
* @param string $tableName
*
* @return DefaultTableMetadata
*/
public function getTableMetaData($tableName)
{
return new DefaultTableMetadata($tableName, $this->databaseConnection->getMetaData()->getTableColumns($tableName), $this->databaseConnection->getMetaData()->getTablePrimaryKeys($tableName));
}
/**
* Returns a list of table names for the database
*
* @return array
*/
public function getTableNames()
{
return $this->databaseConnection->getMetaData()->getTableNames();
}
}