silverstripe-framework/tests/php/ORM/MySQLiConnectorTest.php

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<?php
namespace SilverStripe\ORM\Tests;
use mysqli_driver;
use SilverStripe\Dev\SapphireTest;
use SilverStripe\Dev\TestOnly;
use SilverStripe\ORM\Connect\DatabaseException;
use SilverStripe\ORM\DB;
use SilverStripe\ORM\Tests\MySQLiConnectorTest\MySQLiConnector;
use SilverStripe\Tests\ORM\Utf8\Utf8TestHelper;
/**
* @requires extension mysqli
*/
class MySQLiConnectorTest extends SapphireTest implements TestOnly
{
/** @var array project database settings configuration */
private $config = [];
private function getConnector(?string $charset = null, ?string $collation = null, bool $selectDb = false)
{
$config = $this->config;
if ($charset) {
$config['charset'] = $charset;
}
if ($collation) {
$config['collation'] = $collation;
}
$config['database'] = 'information_schema';
$connector = new MySQLiConnector();
$connector->connect($config, $selectDb);
return $connector;
}
public function setUp(): void
{
parent::setUp();
$config = DB::getConfig();
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if (strtolower(substr($config['type'] ?? '', 0, 5)) !== 'mysql') {
$this->markTestSkipped("The test only relevant for MySQL - but $config[type] is in use");
}
$this->config = $config;
}
/**
* @dataProvider charsetProvider
*/
public function testConnectionCharsetControl($charset, $defaultCollation)
{
$connector = $this->getConnector($charset);
$connection = $connector->getMysqliConnection();
$cset = $connection->get_charset();
// Note: we do not need to update the utf charset here because mysqli with newer
// version of mysql/mariadb still self-reports as 'utf8' rather than 'utf8mb3'
// This is unlike self::testConnectionCollationControl()
$this->assertEquals($charset, $cset->charset);
$this->assertEquals($defaultCollation, $cset->collation);
unset($cset, $connection, $connector, $config);
}
/**
* @dataProvider charsetProvider
*/
public function testConnectionCollationControl($charset, $defaultCollation, $customCollation)
{
$connector = $this->getConnector($charset, $customCollation);
$connection = $connector->getMysqliConnection();
$cset = $connection->get_charset();
$this->assertEquals($charset, $cset->charset);
/* Warning! This is a MySQLi limitation.
* If it changes in the future versions, this test may break.
* We are still testing for it as a limitation and a
* reminder that it exists.
*
* To make sure that we actually have correct collation see
* - testUtf8mb4GeneralCollation
* - testUtf8mb4UnicodeCollation
*/
$this->assertEquals(
$defaultCollation,
$cset->collation,
'This is an issue with mysqli. It always returns "default" collation, even if another is active'
);
$cset = $connection->query('show variables like "character_set_connection"')->fetch_array()[1];
$collation = $connection->query('show variables like "collation_connection"')->fetch_array()[1];
$helper = new Utf8TestHelper();
$this->assertEquals($helper->getUpdatedUtfCharsetForCurrentDB($charset), $cset);
$this->assertEquals($helper->getUpdatedUtfCollationForCurrentDB($customCollation), $collation);
$connection->close();
unset($cset, $connection, $connector, $config);
}
public function charsetProvider()
{
return [
['ascii', 'ascii_general_ci', 'ascii_bin'],
['utf8', 'utf8_general_ci', 'utf8_unicode_520_ci'],
['utf8mb4', 'utf8mb4_general_ci', 'utf8mb4_unicode_520_ci']
];
}
public function testUtf8mb4GeneralCollation()
{
$connector = $this->getConnector('utf8mb4', 'utf8mb4_general_ci', true);
$connection = $connector->getMysqliConnection();
$result = $connection->query(
"select `a`.`value` from (select 'rst' `value` union select 'rßt' `value`) `a` order by `value`"
)->fetch_all();
$this->assertCount(1, $result, '`utf8mb4_general_ci` handles both values as equal to "rst"');
$this->assertEquals('rst', $result[0][0]);
}
public function testUtf8mb4UnicodeCollation()
{
$connector = $this->getConnector('utf8mb4', 'utf8mb4_unicode_ci', true);
$connection = $connector->getMysqliConnection();
$result = $connection->query(
"select `a`.`value` from (select 'rst' `value` union select 'rßt' `value`) `a` order by `value`"
)->fetch_all();
$this->assertCount(2, $result, '`utf8mb4_unicode_ci` must recognise "rst" and "rßt" as different values');
$this->assertEquals('rßt', $result[0][0]);
$this->assertEquals('rst', $result[1][0]);
}
public function testQueryThrowsDatabaseErrorOnMySQLiError()
{
$connector = $this->getConnector();
$driver = new mysqli_driver();
// The default with PHP >= 8.0
$driver->report_mode = MYSQLI_REPORT_OFF;
$this->expectException(DatabaseException::class);
$connector = $this->getConnector(null, null, true);
$connector->query('force an error with invalid SQL');
}
public function testQueryThrowsDatabaseErrorOnMySQLiException()
{
$driver = new mysqli_driver();
// The default since PHP 8.1 - https://www.php.net/manual/en/mysqli-driver.report-mode.php
$driver->report_mode = MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT;
$this->expectException(DatabaseException::class);
$connector = $this->getConnector(null, null, true);
$connector->query('force an error with invalid SQL');
}
}