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Fix DBA::lock() testability because of "autocommits"

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Philipp 2021-05-24 20:30:56 +02:00
parent 10e8c5594d
commit ea4b066df3
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GPG key ID: 9A28B7D4FF5667BD
3 changed files with 45 additions and 25 deletions
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2
tests/DatabaseTestTrait.php
View file

@ -34,6 +34,8 @@ trait DatabaseTestTrait
StaticDatabase::statConnect($_SERVER);
// Rollbacks every DB usage (in case the test couldn't call tearDown)
StaticDatabase::statRollback();
// Rollback the first, outer transaction just 2 be sure
StaticDatabase::getGlobConnection()->rollBack();
// Start the first, outer transaction
StaticDatabase::getGlobConnection()->beginTransaction();
}

28
tests/Util/Database/ExtendedPDO.php
View file

@ -69,7 +69,7 @@ class ExtendedPDO extends PDO
{
if($this->_transactionDepth <= 0 || !$this->hasSavepoint()) {
parent::beginTransaction();
$this->_transactionDepth = $this->_transactionDepth < 0 ? 0 : $this->_transactionDepth;
$this->_transactionDepth = 0;
} else {
$this->exec("SAVEPOINT LEVEL{$this->_transactionDepth}");
}
@ -84,14 +84,15 @@ class ExtendedPDO extends PDO
*/
public function commit()
{
// We don't want to "really" commit something, so skip the most outer hierarchy
if ($this->_transactionDepth <= 1 && $this->hasSavepoint()) {
$this->_transactionDepth = $this->_transactionDepth <= 0 ? 0 : 1;
return true;
}
$this->_transactionDepth--;
if($this->_transactionDepth <= 0 || !$this->hasSavepoint()) {
parent::commit();
$this->_transactionDepth = $this->_transactionDepth < 0 ? 0 : $this->_transactionDepth;
} else {
$this->exec("RELEASE SAVEPOINT LEVEL{$this->_transactionDepth}");
}
$this->exec("RELEASE SAVEPOINT LEVEL{$this->_transactionDepth}");
}
/**
@ -102,14 +103,15 @@ class ExtendedPDO extends PDO
*/
public function rollBack()
{
if ($this->_transactionDepth <= 0) {
throw new PDOException('Rollback error : There is no transaction started');
}
$this->_transactionDepth--;
if($this->_transactionDepth == 0 || !$this->hasSavepoint()) {
parent::rollBack();
if($this->_transactionDepth <= 0 || !$this->hasSavepoint()) {
$this->_transactionDepth = 0;
try {
parent::rollBack();
} catch (PDOException $e) {
// this shouldn't happen, but it does ...
}
} else {
$this->exec("ROLLBACK TO SAVEPOINT LEVEL{$this->_transactionDepth}");
}

40
tests/Util/Database/StaticDatabase.php
View file

@ -39,6 +39,9 @@ class StaticDatabase extends Database
*/
private static $staticConnection;
/** @var bool */
private $_locked = false;
/**
* Override the behaviour of connect, due there is just one, static connection at all
*
@ -77,6 +80,31 @@ class StaticDatabase extends Database
return true;
}
/** Mock for locking tables */
public function lock($table)
{
if ($this->_locked) {
return false;
}
$this->in_transaction = true;
$this->_locked = true;
return true;
}
/** Mock for unlocking tables */
public function unlock()
{
// See here: https://dev.mysql.com/doc/refman/5.7/en/lock-tables-and-transactions.html
$this->performCommit();
$this->in_transaction = false;
$this->_locked = false;
return true;
}
/**
* Does a commit
*
@ -163,18 +191,6 @@ class StaticDatabase extends Database
return self::$staticConnection;
}
/**
* Perform a global commit for every nested transaction of the static connection
*/
public static function statCommit()
{
if (isset(self::$staticConnection)) {
while (self::$staticConnection->getTransactionDepth() > 0) {
self::$staticConnection->commit();
}
}
}
/**
* Perform a global rollback for every nested transaction of the static connection
*/