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Merge pull request #8193 from open-sausages/pulls/4.2/reset-on-ddl

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This is a cherry-picked PR from 4.2 -> 4.2.0
This commit is contained in:
Daniel Hensby 2018-07-23 14:03:40 +01:00
commit 5ec0fafe43
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GPG Key ID: D8DEBC4C8E7BC8B9
7 changed files with 257 additions and 89 deletions
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2
.travis.yml
View File

@ -67,7 +67,7 @@ before_script:
# Install composer dependencies
- composer validate
- mkdir ./public
- if [[ $DB == PGSQL ]]; then composer require silverstripe/postgresql:2.0.x-dev --no-update; fi
- if [[ $DB == PGSQL ]]; then composer require silverstripe/postgresql:2.1.x-dev --no-update; fi
- if [[ $DB == SQLITE ]]; then composer require silverstripe/sqlite3:2.0.x-dev --no-update; fi
- composer require silverstripe/recipe-testing:^1 silverstripe/recipe-core:4.2.x-dev silverstripe/admin:1.2.x-dev silverstripe/versioned:1.2.x-dev --no-update
- if [[ $PHPUNIT_TEST == cms ]]; then composer require silverstripe/recipe-cms:4.2.x-dev --no-update; fi

16
src/Dev/SapphireTest.php
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@ -78,6 +78,14 @@ class SapphireTest extends PHPUnit_Framework_TestCase implements TestOnly
*/
protected $usesDatabase = null;
/**
* This test will cleanup its state via transactions.
* If set to false a full schema is forced between tests, but at a performance cost.
*
* @var bool
*/
protected $usesTransactions = true;
/**
* @var bool
*/
@ -228,6 +236,14 @@ class SapphireTest extends PHPUnit_Framework_TestCase implements TestOnly
return $this->usesDatabase;
}
/**
* @return bool
*/
public function getUsesTransactions()
{
return $this->usesTransactions;
}
/**
* @return array
*/

70
src/Dev/State/FixtureTestState.php
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@ -19,6 +19,13 @@ class FixtureTestState implements TestState
*/
private $fixtureFactories = [];
/**
* Set if fixtures have been loaded
*
* @var bool
*/
protected $loaded = [];
/**
* Called on setup
*
@ -26,14 +33,27 @@ class FixtureTestState implements TestState
*/
public function setUp(SapphireTest $test)
{
if ($this->testNeedsDB($test)) {
if (!$this->testNeedsDB($test)) {
return;
}
// Ensure DB is built
$tmpDB = $test::tempDB();
if (!$tmpDB->isUsed()) {
// Build base db
$tmpDB->build();
// Reset schema
$extraObjects = $test->getExtraDataObjects();
if ($extraObjects) {
$tmpDB->resetDBSchema($extraObjects);
}
}
DataObject::singleton()->flushCache();
if (!$tmpDB->hasStarted()) {
// Ensure DB is built and populated
if (!$this->getIsLoaded(get_class($test))) {
foreach ($test->getRequireDefaultRecordsFrom() as $className) {
$instance = singleton($className);
if (method_exists($instance, 'requireDefaultRecords')) {
@ -45,6 +65,9 @@ class FixtureTestState implements TestState
}
$this->loadFixtures($test);
}
// Begin transactions if enabled
if ($test->getUsesTransactions()) {
$tmpDB->startTransaction();
}
}
@ -56,9 +79,21 @@ class FixtureTestState implements TestState
*/
public function tearDown(SapphireTest $test)
{
if ($this->testNeedsDB($test)) {
$test::tempDB()->rollbackTransaction();
if (!$this->testNeedsDB($test)) {
return;
}
// For transactional states, rollback if possible
if ($test->getUsesTransactions()) {
$success = $test::tempDB()->rollbackTransaction();
if ($success) {
return;
}
}
// Force reset if transaction failed, or disabled
$test::tempDB()->kill();
$this->resetFixtureFactory(get_class($test));
}
/**
@ -68,7 +103,7 @@ class FixtureTestState implements TestState
*/
public function setUpOnce($class)
{
$this->fixtureFactories[strtolower($class)] = Injector::inst()->create(FixtureFactory::class);
$this->resetFixtureFactory($class);
}
/**
@ -130,6 +165,8 @@ class FixtureTestState implements TestState
foreach ($paths as $fixtureFile) {
$this->loadFixture($fixtureFile, $test);
}
// Flag as loaded
$this->loaded[strtolower(get_class($test))] = true;
}
/**
@ -220,4 +257,27 @@ class FixtureTestState implements TestState
return false;
}
/**
* Bootstrap a clean fixture factory for the given class
*
* @param string $class
*/
protected function resetFixtureFactory($class)
{
$class = strtolower($class);
$this->fixtureFactories[$class] = Injector::inst()->create(FixtureFactory::class);
$this->loaded[$class] = false;
}
/**
* Check if fixtures need to be loaded for this class
*
* @param string $class Name of test to check
* @return bool
*/
protected function getIsLoaded($class)
{
return !empty($this->loaded[strtolower($class)]);
}
}

36
src/ORM/Connect/Database.php
View File

@ -654,22 +654,40 @@ abstract class Database
*
* @param string|boolean $savepoint Name of savepoint, or leave empty to rollback
* to last savepoint
* @return bool|null Boolean is returned if success state is known, or null if
* unknown. Note: For error checking purposes null should not be treated as error.
*/
abstract public function transactionRollback($savepoint = false);
/**
* Commit everything inside this transaction so far
*
* @param boolean $chain
* @param bool $chain
* @return bool|null Boolean is returned if success state is known, or null if
* unknown. Note: For error checking purposes null should not be treated as error.
*/
abstract public function transactionEnd($chain = false);
/**
* Return depth of current transaction
*
* @return int Nesting level, or 0 if not in a transaction
*/
public function transactionDepth()
{
// Placeholder error for transactional DBs that don't expose depth
if ($this->supportsTransactions()) {
user_error(get_class($this) . " does not support transactionDepth", E_USER_WARNING);
}
return 0;
}
/**
* Determines if the used database supports application-level locks,
* which is different from table- or row-level locking.
* See {@link getLock()} for details.
*
* @return boolean Flag indicating that locking is available
* @return bool Flag indicating that locking is available
*/
public function supportsLocks()
{
@ -681,7 +699,7 @@ abstract class Database
* See {@link supportsLocks()} to check if locking is generally supported.
*
* @param string $name Name of the lock
* @return boolean
* @return bool
*/
public function canLock($name)
{
@ -703,7 +721,7 @@ abstract class Database
*
* @param string $name Name of lock
* @param integer $timeout Timeout in seconds
* @return boolean
* @return bool
*/
public function getLock($name, $timeout = 5)
{
@ -715,7 +733,7 @@ abstract class Database
* (if the execution aborts (e.g. due to an error) all locks are automatically released).
*
* @param string $name Name of the lock
* @return boolean Flag indicating whether the lock was successfully released
* @return bool Flag indicating whether the lock was successfully released
*/
public function releaseLock($name)
{
@ -756,7 +774,7 @@ abstract class Database
* Determine if the database with the specified name exists
*
* @param string $name Name of the database to check for
* @return boolean Flag indicating whether this database exists
* @return bool Flag indicating whether this database exists
*/
public function databaseExists($name)
{
@ -778,12 +796,12 @@ abstract class Database
* database if it doesn't exist in the current schema.
*
* @param string $name Name of the database
* @param boolean $create Flag indicating whether the database should be created
* @param bool $create Flag indicating whether the database should be created
* if it doesn't exist. If $create is false and the database doesn't exist
* then an error will be raised
* @param int|boolean $errorLevel The level of error reporting to enable for the query, or false if no error
* @param int|bool $errorLevel The level of error reporting to enable for the query, or false if no error
* should be raised
* @return boolean Flag indicating success
* @return bool Flag indicating success
*/
public function selectDatabase($name, $create = false, $errorLevel = E_USER_ERROR)
{

55
src/ORM/Connect/MySQLDatabase.php
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@ -329,25 +329,78 @@ class MySQLDatabase extends Database
public function transactionRollback($savepoint = false)
{
// Named transaction
if ($savepoint) {
$this->query('ROLLBACK TO ' . $savepoint);
} else {
return true;
}
// Fail if transaction isn't available
if (!$this->transactionNesting) {
return false;
}
--$this->transactionNesting;
if ($this->transactionNesting > 0) {
$this->transactionRollback('NESTEDTRANSACTION' . $this->transactionNesting);
} else {
$this->query('ROLLBACK');
}
return true;
}
public function transactionDepth()
{
return $this->transactionNesting;
}
public function transactionEnd($chain = false)
{
// Fail if transaction isn't available
if (!$this->transactionNesting) {
return false;
}
--$this->transactionNesting;
if ($this->transactionNesting <= 0) {
$this->transactionNesting = 0;
$this->query('COMMIT AND ' . ($chain ? '' : 'NO ') . 'CHAIN');
}
return true;
}
/**
* In error condition, set transactionNesting to zero
*/
protected function resetTransactionNesting()
{
$this->transactionNesting = 0;
}
public function query($sql, $errorLevel = E_USER_ERROR)
{
$this->inspectQuery($sql);
return parent::query($sql, $errorLevel);
}
public function preparedQuery($sql, $parameters, $errorLevel = E_USER_ERROR)
{
$this->inspectQuery($sql);
return parent::preparedQuery($sql, $parameters, $errorLevel);
}
/**
* Inspect a SQL query prior to execution
*
* @param string $sql
*/
protected function inspectQuery($sql)
{
// Any DDL discards transactions.
// See https://dev.mysql.com/doc/internals/en/transactions-notes-on-ddl-and-normal-transaction.html
// on why we need to be over-eager
$isDDL = $this->getConnector()->isQueryDDL($sql);
if ($isDDL) {
$this->resetTransactionNesting();
}
}
public function comparisonClause(

118
src/ORM/Connect/TempDatabase.php
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@ -23,11 +23,6 @@ class TempDatabase
*/
protected $name = null;
/**
* @var bool If a transaction has been started
*/
protected $hasStarted = false;
/**
* Create a new temp database
*
@ -73,14 +68,6 @@ class TempDatabase
return $this->isDBTemp($selected);
}
/**
* @return bool
*/
public function hasStarted()
{
return $this->hasStarted;
}
/**
* @return bool
*/
@ -94,7 +81,6 @@ class TempDatabase
*/
public function startTransaction()
{
$this->hasStarted = true;
if (static::getConn()->supportsTransactions()) {
static::getConn()->transactionStart();
}
@ -102,14 +88,28 @@ class TempDatabase
/**
* Rollback a transaction (or trash all data if the DB doesn't support databases
*
* @return bool True if successfully rolled back, false otherwise. On error the DB is
* killed and must be re-created. Note that calling rollbackTransaction() when there
* is no transaction is counted as a failure, user code should either kill or flush the DB
* as necessary
*/
public function rollbackTransaction()
{
if (static::getConn()->supportsTransactions()) {
static::getConn()->transactionRollback();
} else {
$this->hasStarted = false;
static::clearAllData();
// Ensure a rollback can be performed
$success = static::getConn()->supportsTransactions()
&& static::getConn()->transactionDepth();
if (!$success) {
return false;
}
try {
// Explicit false = gnostic error from transactionRollback
if (static::getConn()->transactionRollback() === false) {
return false;
}
return true;
} catch (DatabaseException $ex) {
return false;
}
}
@ -118,11 +118,14 @@ class TempDatabase
*/
public function kill()
{
// Delete our temporary database
// Nothing to kill
if (!$this->isUsed()) {
return;
}
// Rollback any transactions (note: Success ignored)
$this->rollbackTransaction();
// Check the database actually exists
$dbConn = $this->getConn();
$dbName = $dbConn->getSelectedDatabase();
@ -147,7 +150,6 @@ class TempDatabase
*/
public function clearAllData()
{
$this->hasStarted = false;
if (!$this->isUsed()) {
return;
}
@ -205,39 +207,12 @@ class TempDatabase
}
/**
* Clear all temp DBs on this connection
* Rebuild all database tables
*
* Note: This will output results to stdout unless suppressOutput
* is set on the current db schema
* @param array $extraDataObjects
*/
public function deleteAll()
protected function rebuildTables($extraDataObjects = [])
{
$schema = $this->getConn()->getSchemaManager();
foreach ($schema->databaseList() as $dbName) {
if ($this->isDBTemp($dbName)) {
$schema->dropDatabase($dbName);
$schema->alterationMessage("Dropped database \"$dbName\"", 'deleted');
flush();
}
}
}
/**
* Reset the testing database's schema.
*
* @param array $extraDataObjects List of extra dataobjects to build
*/
public function resetDBSchema(array $extraDataObjects = [])
{
// pgsql doesn't allow schema updates inside transactions
// so we need to rollback any transactions before commencing a schema reset
if ($this->hasStarted()) {
$this->rollbackTransaction();
}
if (!$this->isUsed()) {
return;
}
DataObject::reset();
// clear singletons, they're caching old extension info which is used in DatabaseAdmin->doBuild()
@ -273,4 +248,45 @@ class TempDatabase
ClassInfo::reset_db_cache();
DataObject::singleton()->flushCache();
}
/**
* Clear all temp DBs on this connection
*
* Note: This will output results to stdout unless suppressOutput
* is set on the current db schema
*/
public function deleteAll()
{
$schema = $this->getConn()->getSchemaManager();
foreach ($schema->databaseList() as $dbName) {
if ($this->isDBTemp($dbName)) {
$schema->dropDatabase($dbName);
$schema->alterationMessage("Dropped database \"$dbName\"", 'deleted');
flush();
}
}
}
/**
* Reset the testing database's schema.
*
* @param array $extraDataObjects List of extra dataobjects to build
*/
public function resetDBSchema(array $extraDataObjects = [])
{
// Skip if no DB
if (!$this->isUsed()) {
return;
}
try {
$this->rebuildTables($extraDataObjects);
} catch (DatabaseException $ex) {
// In case of error during build force a hard reset
// e.g. pgsql doesn't allow schema updates inside transactions
$this->kill();
$this->build();
$this->rebuildTables($extraDataObjects);
}
}
}

5
tests/php/Security/GroupTest.php
View File

@ -20,6 +20,11 @@ class GroupTest extends FunctionalTest
TestMember::class
];
protected function setUp()
{
parent::setUp();
}
public function testGroupCodeDefaultsToTitle()
{
$g1 = new Group();